+ *
+ * @param array $arr1 An array
+ * @param array $arr2 An array
+ *
+ * @return array The merged array
+ */
+function twig_array_merge($arr1, $arr2)
+{
+ if (!is_array($arr1) || !is_array($arr2)) {
+ throw new Twig_Error_Runtime('The merge filter only work with arrays or hashes.');
+ }
+
+ return array_merge($arr1, $arr2);
+}
+
+/**
+ * Joins the values to a string.
+ *
+ * The separator between elements is an empty string per default, you can define it with the optional parameter.
+ *
+ *
+ *
+ * @param array $value An array
+ * @param string $glue The separator
+ *
+ * @return string The concatenated string
+ */
+function twig_join_filter($value, $glue = '')
+{
+ return implode($glue, (array) $value);
+}
+
+/**
+ * Returns the value or the default value when it is undefined or empty.
+ *
+ *
+ *
+ * {{ var.foo|default('foo item on var is not defined') }}
+ *
+ *
+ *
+ * @param mixed $value A value
+ * @param mixed $default The default value
+ *
+ * @param mixed The value or the default value;
+ */
+function twig_default_filter($value, $default = '')
+{
+ if (twig_test_empty($value)) {
+ return $default;
+ } else {
+ return $value;
+ }
+}
+
+/**
+ * Returns the keys for the given array.
+ *
+ * It is useful when you want to iterate over the keys of an array:
+ *
+ *
+ * {% for key in array|keys %}
+ * {# ... #}
+ * {% endfor %}
+ *
+ * {{ "I like %this% and %that%."|replace({'%this%': foo, '%that%': "bar"}) }}
+ *
+ *
+ * @param string $pattern A string
+ * @param string $replacements The values for the placeholders
+ *
+ * @return string The string where the placeholders have been replaced
+ */
+function twig_strtr($pattern, $replacements)
+{
+ return str_replace(array_keys($replacements), array_values($replacements), $pattern);
+}
+
+/**
+ * Escapes a string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string The value to be escaped
+ * @param string $type The escaping strategy
+ * @param string $charset The charset
+ */
+function twig_escape_filter(Twig_Environment $env, $string, $type = 'html', $charset = null)
+{
+ if (is_object($string) && $string instanceof Twig_Markup) {
+ return $string;
+ }
+
+ if (!is_string($string) && !(is_object($string) && method_exists($string, '__toString'))) {
+ return $string;
+ }
+
+ if (null === $charset) {
+ $charset = $env->getCharset();
+ }
+
+ switch ($type) {
+ case 'js':
+ // escape all non-alphanumeric characters
+ // into their \xHH or \uHHHH representations
+ if ('UTF-8' != $charset) {
+ $string = _twig_convert_encoding($string, 'UTF-8', $charset);
+ }
+
+ if (null === $string = preg_replace_callback('#[^\p{L}\p{N} ]#u', '_twig_escape_js_callback', $string)) {
+ throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
+ }
+
+ if ('UTF-8' != $charset) {
+ $string = _twig_convert_encoding($string, $charset, 'UTF-8');
+ }
+
+ return $string;
+
+ case 'html':
+ return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
+
+ default:
+ throw new Twig_Error_Runtime(sprintf('Invalid escape type "%s".', $type));
+ }
+}
+
+/* used internally */
+function twig_escape_filter_is_safe(Twig_Node $filterArgs)
+{
+ foreach ($filterArgs as $arg) {
+ if ($arg instanceof Twig_Node_Expression_Constant) {
+ return array($arg->getAttribute('value'));
+ } else {
+ return array();
+ }
+
+ break;
+ }
+
+ return array('html');
+}
+
+if (function_exists('iconv')) {
+ function _twig_convert_encoding($string, $to, $from)
+ {
+ return iconv($from, $to, $string);
+ }
+} elseif (function_exists('mb_convert_encoding')) {
+ function _twig_convert_encoding($string, $to, $from)
+ {
+ return mb_convert_encoding($string, $to, $from);
+ }
+} else {
+ function _twig_convert_encoding($string, $to, $from)
+ {
+ throw new Twig_Error_Runtime('No suitable convert encoding function (use UTF-8 as your encoding or install the iconv or mbstring extension).');
+ }
+}
+
+function _twig_escape_js_callback($matches)
+{
+ $char = $matches[0];
+
+ // \xHH
+ if (!isset($char[1])) {
+ return '\\x'.substr('00'.bin2hex($char), -2);
+ }
+
+ // \uHHHH
+ $char = _twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
+
+ return '\\u'.substr('0000'.bin2hex($char), -4);
+}
+
+// add multibyte extensions if possible
+if (function_exists('mb_get_info')) {
+ /**
+ * Returns the length of a PHP variable.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param mixed $thing A PHP variable
+ *
+ * @return integer The length of the value
+ */
+ function twig_length_filter(Twig_Environment $env, $thing)
+ {
+ return is_scalar($thing) ? mb_strlen($thing, $env->getCharset()) : count($thing);
+ }
+
+ /**
+ * Converts a string to uppercase.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The uppercased string
+ */
+ function twig_upper_filter(Twig_Environment $env, $string)
+ {
+ if (null !== ($charset = $env->getCharset())) {
+ return mb_strtoupper($string, $charset);
+ }
+
+ return strtoupper($string);
+ }
+
+ /**
+ * Converts a string to lowercase.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The lowercased string
+ */
+ function twig_lower_filter(Twig_Environment $env, $string)
+ {
+ if (null !== ($charset = $env->getCharset())) {
+ return mb_strtolower($string, $charset);
+ }
+
+ return strtolower($string);
+ }
+
+ /**
+ * Returns a titlecased string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The titlecased string
+ */
+ function twig_title_string_filter(Twig_Environment $env, $string)
+ {
+ if (null !== ($charset = $env->getCharset())) {
+ return mb_convert_case($string, MB_CASE_TITLE, $charset);
+ }
+
+ return ucwords(strtolower($string));
+ }
+
+ /**
+ * Returns a capitalized string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The capitalized string
+ */
+ function twig_capitalize_string_filter(Twig_Environment $env, $string)
+ {
+ if (null !== ($charset = $env->getCharset())) {
+ return mb_strtoupper(mb_substr($string, 0, 1, $charset), $charset).
+ mb_strtolower(mb_substr($string, 1, mb_strlen($string, $charset), $charset), $charset);
+ }
+
+ return ucfirst(strtolower($string));
+ }
+}
+// and byte fallback
+else
+{
+ /**
+ * Returns the length of a PHP variable.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param mixed $thing A PHP variable
+ *
+ * @return integer The length of the value
+ */
+ function twig_length_filter(Twig_Environment $env, $thing)
+ {
+ return is_scalar($thing) ? strlen($thing) : count($thing);
+ }
+
+ /**
+ * Returns a titlecased string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The titlecased string
+ */
+ function twig_title_string_filter(Twig_Environment $env, $string)
+ {
+ return ucwords(strtolower($string));
+ }
+
+ /**
+ * Returns a capitalized string.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param string $string A string
+ *
+ * @return string The capitalized string
+ */
+ function twig_capitalize_string_filter(Twig_Environment $env, $string)
+ {
+ return ucfirst(strtolower($string));
+ }
+}
+
+/* used internally */
+function twig_ensure_traversable($seq)
+{
+ if (is_array($seq) || (is_object($seq) && $seq instanceof Traversable)) {
+ return $seq;
+ } else {
+ return array();
+ }
+}
+
+/**
+ * Checks that a variable points to the same memory address than another one.
+ *
+ *
+ * {% if foo.attribute is sameas(false) %}
+ * the foo attribute really is the ``false`` PHP value
+ * {% endif %}
+ *
+ *
+ * @param mixed $value A PHP variable
+ * @param mixed $test The PHP variable to test against
+ *
+ * @return Boolean true if the values are the same, false otherwise
+ */
+function twig_test_sameas($value, $test)
+{
+ return $value === $test;
+}
+
+/**
+ * Checks that a variable is null.
+ *
+ *
+ * {{ var is none }}
+ *
+ *
+ * @param mixed $value a PHP variable.
+ *
+ * @return Boolean true if the value is null, false otherwise
+ */
+function twig_test_none($value)
+{
+ return null === $value;
+}
+
+/**
+ * Checks if a variable is divisible by a number.
+ *
+ *
+ * {% if loop.index is divisibleby(3) %}
+ *
+ *
+ * @param integer $value A PHP value
+ * @param integer $num A number
+ *
+ * @return Boolean true if the value is divisible by the number, false otherwise
+ */
+function twig_test_divisibleby($value, $num)
+{
+ return 0 == $value % $num;
+}
+
+/**
+ * Checks if a number is even.
+ *
+ *
+ * {{ var is even }}
+ *
+ *
+ * @param integer $value An integer
+ *
+ * @return Boolean true if the value is even, false otherwise
+ */
+function twig_test_even($value)
+{
+ return $value % 2 == 0;
+}
+
+/**
+ * Checks if a number is odd.
+ *
+ *
+ * {{ var is odd }}
+ *
+ *
+ * @param integer $value An integer
+ *
+ * @return Boolean true if the value is odd, false otherwise
+ */
+function twig_test_odd($value)
+{
+ return $value % 2 == 1;
+}
+
+/**
+ * Checks if a variable is the exact same value as a constant.
+ *
+ *
+ * {% if post.status is constant('Post::PUBLISHED') %}
+ * the status attribute is exactly the same as Post::PUBLISHED
+ * {% endif %}
+ *
+ *
+ * @param mixed $value A PHP value
+ * @param mixed $constant The constant to test against
+ *
+ * @return Boolean true if the value is the same as the constant, false otherwise
+ */
+function twig_test_constant($value, $constant)
+{
+ return constant($constant) === $value;
+}
+
+/**
+ * Checks if a variable is defined in the current context.
+ *
+ *
+ * {# defined works with variable names #}
+ * {% if foo is defined %}
+ * {# ... #}
+ * {% endif %}
+ *
+ *
+ * @param mixed $name A PHP variable
+ * @param array $context The current context
+ *
+ * @return Boolean true if the value is defined, false otherwise
+ */
+function twig_test_defined($name, $context)
+{
+ return array_key_exists($name, $context);
+}
+
+/**
+ * Checks if a variable is empty.
+ *
+ *
+ * {# evaluates to true if the foo variable is null, false, or the empty string #}
+ * {% if foo is empty %}
+ * {# ... #}
+ * {% endif %}
+ *
+ *
+ * @param mixed $value A PHP variable
+ *
+ * @return Boolean true if the value is empty, false otherwise
+ */
+function twig_test_empty($value)
+{
+ if ($value instanceof Countable) {
+ return 0 == count($value);
+ }
+ return false === $value || (empty($value) && '0' != $value);
+}
diff --git a/inc/contrib/Twig/Extension/Escaper.php b/inc/contrib/Twig/Extension/Escaper.php
new file mode 100644
index 00000000..43ae1113
--- /dev/null
+++ b/inc/contrib/Twig/Extension/Escaper.php
@@ -0,0 +1,77 @@
+autoescape = $autoescape;
+ }
+
+ /**
+ * Returns the token parser instances to add to the existing list.
+ *
+ * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
+ */
+ public function getTokenParsers()
+ {
+ return array(new Twig_TokenParser_AutoEscape());
+ }
+
+ /**
+ * Returns the node visitor instances to add to the existing list.
+ *
+ * @return array An array of Twig_NodeVisitorInterface instances
+ */
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Escaper());
+ }
+
+ /**
+ * Returns a list of filters to add to the existing list.
+ *
+ * @return array An array of filters
+ */
+ public function getFilters()
+ {
+ return array(
+ 'raw' => new Twig_Filter_Function('twig_raw_filter', array('is_safe' => array('all'))),
+ );
+ }
+
+ public function isGlobal()
+ {
+ return $this->autoescape;
+ }
+
+ /**
+ * Returns the name of the extension.
+ *
+ * @return string The extension name
+ */
+ public function getName()
+ {
+ return 'escaper';
+ }
+}
+
+/**
+ * Marks a variable as being safe.
+ *
+ * @param string $string A PHP variable
+ */
+function twig_raw_filter($string)
+{
+ return $string;
+}
+
diff --git a/inc/contrib/Twig/Extension/Optimizer.php b/inc/contrib/Twig/Extension/Optimizer.php
new file mode 100644
index 00000000..013fcb62
--- /dev/null
+++ b/inc/contrib/Twig/Extension/Optimizer.php
@@ -0,0 +1,35 @@
+optimizers = $optimizers;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Optimizer($this->optimizers));
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getName()
+ {
+ return 'optimizer';
+ }
+}
diff --git a/inc/contrib/Twig/Extension/Sandbox.php b/inc/contrib/Twig/Extension/Sandbox.php
new file mode 100644
index 00000000..bf76c11a
--- /dev/null
+++ b/inc/contrib/Twig/Extension/Sandbox.php
@@ -0,0 +1,112 @@
+policy = $policy;
+ $this->sandboxedGlobally = $sandboxed;
+ }
+
+ /**
+ * Returns the token parser instances to add to the existing list.
+ *
+ * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
+ */
+ public function getTokenParsers()
+ {
+ return array(new Twig_TokenParser_Sandbox());
+ }
+
+ /**
+ * Returns the node visitor instances to add to the existing list.
+ *
+ * @return array An array of Twig_NodeVisitorInterface instances
+ */
+ public function getNodeVisitors()
+ {
+ return array(new Twig_NodeVisitor_Sandbox());
+ }
+
+ public function enableSandbox()
+ {
+ $this->sandboxed = true;
+ }
+
+ public function disableSandbox()
+ {
+ $this->sandboxed = false;
+ }
+
+ public function isSandboxed()
+ {
+ return $this->sandboxedGlobally || $this->sandboxed;
+ }
+
+ public function isSandboxedGlobally()
+ {
+ return $this->sandboxedGlobally;
+ }
+
+ public function setSecurityPolicy(Twig_Sandbox_SecurityPolicyInterface $policy)
+ {
+ $this->policy = $policy;
+ }
+
+ public function getSecurityPolicy()
+ {
+ return $this->policy;
+ }
+
+ public function checkSecurity($tags, $filters, $functions)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkSecurity($tags, $filters, $functions);
+ }
+ }
+
+ public function checkMethodAllowed($obj, $method)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkMethodAllowed($obj, $method);
+ }
+ }
+
+ public function checkPropertyAllowed($obj, $method)
+ {
+ if ($this->isSandboxed()) {
+ $this->policy->checkPropertyAllowed($obj, $method);
+ }
+ }
+
+ public function ensureToStringAllowed($obj)
+ {
+ if (is_object($obj)) {
+ $this->policy->checkMethodAllowed($obj, '__toString');
+ }
+
+ return $obj;
+ }
+
+ /**
+ * Returns the name of the extension.
+ *
+ * @return string The extension name
+ */
+ public function getName()
+ {
+ return 'sandbox';
+ }
+}
diff --git a/inc/contrib/Twig/ExtensionInterface.php b/inc/contrib/Twig/ExtensionInterface.php
new file mode 100644
index 00000000..f8b232a5
--- /dev/null
+++ b/inc/contrib/Twig/ExtensionInterface.php
@@ -0,0 +1,84 @@
+
+ */
+interface Twig_ExtensionInterface
+{
+ /**
+ * Initializes the runtime environment.
+ *
+ * This is where you can load some file that contains filter functions for instance.
+ *
+ * @param Twig_Environment $environment The current Twig_Environment instance
+ */
+ function initRuntime(Twig_Environment $environment);
+
+ /**
+ * Returns the token parser instances to add to the existing list.
+ *
+ * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
+ */
+ function getTokenParsers();
+
+ /**
+ * Returns the node visitor instances to add to the existing list.
+ *
+ * @return array An array of Twig_NodeVisitorInterface instances
+ */
+ function getNodeVisitors();
+
+ /**
+ * Returns a list of filters to add to the existing list.
+ *
+ * @return array An array of filters
+ */
+ function getFilters();
+
+ /**
+ * Returns a list of tests to add to the existing list.
+ *
+ * @return array An array of tests
+ */
+ function getTests();
+
+ /**
+ * Returns a list of functions to add to the existing list.
+ *
+ * @return array An array of functions
+ */
+ function getFunctions();
+
+ /**
+ * Returns a list of operators to add to the existing list.
+ *
+ * @return array An array of operators
+ */
+ function getOperators();
+
+ /**
+ * Returns a list of global functions to add to the existing list.
+ *
+ * @return array An array of global functions
+ */
+ function getGlobals();
+
+ /**
+ * Returns the name of the extension.
+ *
+ * @return string The extension name
+ */
+ function getName();
+}
diff --git a/inc/contrib/Twig/Filter.php b/inc/contrib/Twig/Filter.php
new file mode 100644
index 00000000..9595a1a8
--- /dev/null
+++ b/inc/contrib/Twig/Filter.php
@@ -0,0 +1,58 @@
+
+ */
+abstract class Twig_Filter implements Twig_FilterInterface
+{
+ protected $options;
+
+ public function __construct(array $options = array())
+ {
+ $this->options = array_merge(array(
+ 'needs_environment' => false,
+ 'needs_context' => false,
+ 'pre_escape' => null,
+ ), $options);
+ }
+
+ public function needsEnvironment()
+ {
+ return $this->options['needs_environment'];
+ }
+
+ public function needsContext()
+ {
+ return $this->options['needs_context'];
+ }
+
+ public function getSafe(Twig_Node $filterArgs)
+ {
+ if (isset($this->options['is_safe'])) {
+ return $this->options['is_safe'];
+ }
+
+ if (isset($this->options['is_safe_callback'])) {
+ return call_user_func($this->options['is_safe_callback'], $filterArgs);
+ }
+
+ return array();
+ }
+
+ public function getPreEscape()
+ {
+ return $this->options['pre_escape'];
+ }
+}
diff --git a/inc/contrib/Twig/Filter/Function.php b/inc/contrib/Twig/Filter/Function.php
new file mode 100644
index 00000000..1de078b2
--- /dev/null
+++ b/inc/contrib/Twig/Filter/Function.php
@@ -0,0 +1,33 @@
+
+ */
+class Twig_Filter_Function extends Twig_Filter
+{
+ protected $function;
+
+ public function __construct($function, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->function = $function;
+ }
+
+ public function compile()
+ {
+ return $this->function;
+ }
+}
diff --git a/inc/contrib/Twig/Filter/Method.php b/inc/contrib/Twig/Filter/Method.php
new file mode 100644
index 00000000..d831e0f2
--- /dev/null
+++ b/inc/contrib/Twig/Filter/Method.php
@@ -0,0 +1,34 @@
+
+ */
+class Twig_Filter_Method extends Twig_Filter
+{
+ protected $extension, $method;
+
+ public function __construct(Twig_ExtensionInterface $extension, $method, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->extension = $extension;
+ $this->method = $method;
+ }
+
+ public function compile()
+ {
+ return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);
+ }
+}
diff --git a/inc/contrib/Twig/FilterInterface.php b/inc/contrib/Twig/FilterInterface.php
new file mode 100644
index 00000000..4ac19ceb
--- /dev/null
+++ b/inc/contrib/Twig/FilterInterface.php
@@ -0,0 +1,34 @@
+
+ */
+interface Twig_FilterInterface
+{
+ /**
+ * Compiles a filter.
+ *
+ * @return string The PHP code for the filter
+ */
+ function compile();
+
+ function needsEnvironment();
+
+ function needsContext();
+
+ function getSafe(Twig_Node $filterArgs);
+
+ function getPreEscape();
+}
diff --git a/inc/contrib/Twig/Function.php b/inc/contrib/Twig/Function.php
new file mode 100644
index 00000000..1197924a
--- /dev/null
+++ b/inc/contrib/Twig/Function.php
@@ -0,0 +1,52 @@
+
+ */
+abstract class Twig_Function implements Twig_FunctionInterface
+{
+ protected $options;
+
+ public function __construct(array $options = array())
+ {
+ $this->options = array_merge(array(
+ 'needs_environment' => false,
+ 'needs_context' => false,
+ ), $options);
+ }
+
+ public function needsEnvironment()
+ {
+ return $this->options['needs_environment'];
+ }
+
+ public function needsContext()
+ {
+ return $this->options['needs_context'];
+ }
+
+ public function getSafe(Twig_Node $functionArgs)
+ {
+ if (isset($this->options['is_safe'])) {
+ return $this->options['is_safe'];
+ }
+
+ if (isset($this->options['is_safe_callback'])) {
+ return call_user_func($this->options['is_safe_callback'], $functionArgs);
+ }
+
+ return array();
+ }
+}
diff --git a/inc/contrib/Twig/Function/Function.php b/inc/contrib/Twig/Function/Function.php
new file mode 100644
index 00000000..3237d8c5
--- /dev/null
+++ b/inc/contrib/Twig/Function/Function.php
@@ -0,0 +1,34 @@
+
+ */
+class Twig_Function_Function extends Twig_Function
+{
+ protected $function;
+
+ public function __construct($function, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->function = $function;
+ }
+
+ public function compile()
+ {
+ return $this->function;
+ }
+}
diff --git a/inc/contrib/Twig/Function/Method.php b/inc/contrib/Twig/Function/Method.php
new file mode 100644
index 00000000..7328566e
--- /dev/null
+++ b/inc/contrib/Twig/Function/Method.php
@@ -0,0 +1,35 @@
+
+ */
+class Twig_Function_Method extends Twig_Function
+{
+ protected $extension, $method;
+
+ public function __construct(Twig_ExtensionInterface $extension, $method, array $options = array())
+ {
+ parent::__construct($options);
+
+ $this->extension = $extension;
+ $this->method = $method;
+ }
+
+ public function compile()
+ {
+ return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);
+ }
+}
diff --git a/inc/contrib/Twig/FunctionInterface.php b/inc/contrib/Twig/FunctionInterface.php
new file mode 100644
index 00000000..ccc9fd93
--- /dev/null
+++ b/inc/contrib/Twig/FunctionInterface.php
@@ -0,0 +1,33 @@
+
+ */
+interface Twig_FunctionInterface
+{
+ /**
+ * Compiles a function.
+ *
+ * @return string The PHP code for the function
+ */
+ function compile();
+
+ function needsEnvironment();
+
+ function needsContext();
+
+ function getSafe(Twig_Node $filterArgs);
+}
diff --git a/inc/contrib/Twig/Lexer.php b/inc/contrib/Twig/Lexer.php
new file mode 100644
index 00000000..868a814e
--- /dev/null
+++ b/inc/contrib/Twig/Lexer.php
@@ -0,0 +1,328 @@
+
+ */
+class Twig_Lexer implements Twig_LexerInterface
+{
+ protected $tokens;
+ protected $code;
+ protected $cursor;
+ protected $lineno;
+ protected $end;
+ protected $state;
+ protected $brackets;
+
+ protected $env;
+ protected $filename;
+ protected $options;
+ protected $operatorRegex;
+
+ const STATE_DATA = 0;
+ const STATE_BLOCK = 1;
+ const STATE_VAR = 2;
+
+ const REGEX_NAME = '/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/A';
+ const REGEX_NUMBER = '/[0-9]+(?:\.[0-9]+)?/A';
+ const REGEX_STRING = '/"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\'/As';
+ const PUNCTUATION = '()[]{}?:.,|';
+
+ public function __construct(Twig_Environment $env, array $options = array())
+ {
+ $this->env = $env;
+
+ $this->options = array_merge(array(
+ 'tag_comment' => array('{#', '#}'),
+ 'tag_block' => array('{%', '%}'),
+ 'tag_variable' => array('{{', '}}'),
+ 'whitespace_trim' => '-',
+ ), $options);
+ }
+
+ /**
+ * Tokenizes a source code.
+ *
+ * @param string $code The source code
+ * @param string $filename A unique identifier for the source code
+ *
+ * @return Twig_TokenStream A token stream instance
+ */
+ public function tokenize($code, $filename = null)
+ {
+ if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
+ $mbEncoding = mb_internal_encoding();
+ mb_internal_encoding('ASCII');
+ }
+
+ $this->code = str_replace(array("\r\n", "\r"), "\n", $code);
+ $this->filename = $filename;
+ $this->cursor = 0;
+ $this->lineno = 1;
+ $this->end = strlen($this->code);
+ $this->tokens = array();
+ $this->state = self::STATE_DATA;
+ $this->brackets = array();
+
+ while ($this->cursor < $this->end) {
+ // dispatch to the lexing functions depending
+ // on the current state
+ switch ($this->state) {
+ case self::STATE_DATA:
+ $this->lexData();
+ break;
+
+ case self::STATE_BLOCK:
+ $this->lexBlock();
+ break;
+
+ case self::STATE_VAR:
+ $this->lexVar();
+ break;
+ }
+ }
+
+ $this->pushToken(Twig_Token::EOF_TYPE);
+
+ if (!empty($this->brackets)) {
+ list($expect, $lineno) = array_pop($this->brackets);
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
+ }
+
+ if (isset($mbEncoding)) {
+ mb_internal_encoding($mbEncoding);
+ }
+
+ return new Twig_TokenStream($this->tokens, $this->filename);
+ }
+
+ protected function lexData()
+ {
+ $pos = $this->end;
+ $append = '';
+
+ // Find the first token after the cursor
+ foreach (array('tag_comment', 'tag_variable', 'tag_block') as $type) {
+ $tmpPos = strpos($this->code, $this->options[$type][0], $this->cursor);
+ if (false !== $tmpPos && $tmpPos < $pos) {
+ $trimBlock = false;
+ $append = '';
+ $pos = $tmpPos;
+ $token = $this->options[$type][0];
+ if (strpos($this->code, $this->options['whitespace_trim'], $pos) === ($pos + strlen($token))) {
+ $trimBlock = true;
+ $append = $this->options['whitespace_trim'];
+ }
+ }
+ }
+
+ // if no matches are left we return the rest of the template as simple text token
+ if ($pos === $this->end) {
+ $this->pushToken(Twig_Token::TEXT_TYPE, substr($this->code, $this->cursor));
+ $this->cursor = $this->end;
+ return;
+ }
+
+ // push the template text first
+ $text = $textContent = substr($this->code, $this->cursor, $pos - $this->cursor);
+ if (true === $trimBlock) {
+ $text = rtrim($text);
+ }
+ $this->pushToken(Twig_Token::TEXT_TYPE, $text);
+ $this->moveCursor($textContent.$token.$append);
+
+ switch ($token) {
+ case $this->options['tag_comment'][0]:
+ $this->lexComment();
+ break;
+
+ case $this->options['tag_block'][0]:
+ // raw data?
+ if (preg_match('/\s*raw\s*'.preg_quote($this->options['tag_block'][1], '/').'/As', $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+ $this->lexRawData();
+ $this->state = self::STATE_DATA;
+ // {% line \d+ %}
+ } else if (preg_match('/\s*line\s+(\d+)\s*'.preg_quote($this->options['tag_block'][1], '/').'/As', $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+ $this->lineno = (int) $match[1];
+ $this->state = self::STATE_DATA;
+ } else {
+ $this->pushToken(Twig_Token::BLOCK_START_TYPE);
+ $this->state = self::STATE_BLOCK;
+ }
+ break;
+
+ case $this->options['tag_variable'][0]:
+ $this->pushToken(Twig_Token::VAR_START_TYPE);
+ $this->state = self::STATE_VAR;
+ break;
+ }
+ }
+
+ protected function lexBlock()
+ {
+ $trimTag = preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/');
+ $endTag = preg_quote($this->options['tag_block'][1], '/');
+
+ if (empty($this->brackets) && preg_match('/\s*(?:'.$trimTag.'\s*|\s*'.$endTag.')\n?/A', $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::BLOCK_END_TYPE);
+ $this->moveCursor($match[0]);
+ $this->state = self::STATE_DATA;
+ } else {
+ $this->lexExpression();
+ }
+ }
+
+ protected function lexVar()
+ {
+ $trimTag = preg_quote($this->options['whitespace_trim'].$this->options['tag_variable'][1], '/');
+ $endTag = preg_quote($this->options['tag_variable'][1], '/');
+
+ if (empty($this->brackets) && preg_match('/\s*'.$trimTag.'\s*|\s*'.$endTag.'/A', $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::VAR_END_TYPE);
+ $this->moveCursor($match[0]);
+ $this->state = self::STATE_DATA;
+ } else {
+ $this->lexExpression();
+ }
+ }
+
+ protected function lexExpression()
+ {
+ // whitespace
+ if (preg_match('/\s+/A', $this->code, $match, null, $this->cursor)) {
+ $this->moveCursor($match[0]);
+
+ if ($this->cursor >= $this->end) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected end of file: Unclosed "%s"', $this->state === self::STATE_BLOCK ? 'block' : 'variable'));
+ }
+ }
+
+ // operators
+ if (preg_match($this->getOperatorRegex(), $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::OPERATOR_TYPE, $match[0]);
+ $this->moveCursor($match[0]);
+ }
+ // names
+ elseif (preg_match(self::REGEX_NAME, $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::NAME_TYPE, $match[0]);
+ $this->moveCursor($match[0]);
+ }
+ // numbers
+ elseif (preg_match(self::REGEX_NUMBER, $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::NUMBER_TYPE, ctype_digit($match[0]) ? (int) $match[0] : (float) $match[0]);
+ $this->moveCursor($match[0]);
+ }
+ // punctuation
+ elseif (false !== strpos(self::PUNCTUATION, $this->code[$this->cursor])) {
+ // opening bracket
+ if (false !== strpos('([{', $this->code[$this->cursor])) {
+ $this->brackets[] = array($this->code[$this->cursor], $this->lineno);
+ }
+ // closing bracket
+ elseif (false !== strpos(')]}', $this->code[$this->cursor])) {
+ if (empty($this->brackets)) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected "%s"', $this->code[$this->cursor]), $this->lineno, $this->filename);
+ }
+
+ list($expect, $lineno) = array_pop($this->brackets);
+ if ($this->code[$this->cursor] != strtr($expect, '([{', ')]}')) {
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
+ }
+ }
+
+ $this->pushToken(Twig_Token::PUNCTUATION_TYPE, $this->code[$this->cursor]);
+ ++$this->cursor;
+ }
+ // strings
+ elseif (preg_match(self::REGEX_STRING, $this->code, $match, null, $this->cursor)) {
+ $this->pushToken(Twig_Token::STRING_TYPE, stripcslashes(substr($match[0], 1, -1)));
+ $this->moveCursor($match[0]);
+ }
+ // unlexable
+ else {
+ throw new Twig_Error_Syntax(sprintf('Unexpected character "%s"', $this->code[$this->cursor]), $this->lineno, $this->filename);
+ }
+ }
+
+ protected function lexRawData()
+ {
+ if (!preg_match('/'.preg_quote($this->options['tag_block'][0], '/').'\s*endraw\s*'.preg_quote($this->options['tag_block'][1], '/').'/s', $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected end of file: Unclosed "block"'));
+ }
+ $text = substr($this->code, $this->cursor, $match[0][1] - $this->cursor);
+ $this->pushToken(Twig_Token::TEXT_TYPE, $text);
+ $this->moveCursor($text.$match[0][0]);
+ }
+
+ protected function lexComment()
+ {
+ $commentEndRegex = '/(?:'.preg_quote($this->options['whitespace_trim'], '/')
+ .preg_quote($this->options['tag_comment'][1], '/').'\s*|'
+ .preg_quote($this->options['tag_comment'][1], '/').')\n?/s';
+
+ if (!preg_match($commentEndRegex, $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
+ throw new Twig_Error_Syntax('Unclosed comment', $this->lineno, $this->filename);
+ }
+
+ $this->moveCursor(substr($this->code, $this->cursor, $match[0][1] - $this->cursor).$match[0][0]);
+ }
+
+ protected function pushToken($type, $value = '')
+ {
+ // do not push empty text tokens
+ if (Twig_Token::TEXT_TYPE === $type && '' === $value) {
+ return;
+ }
+
+ $this->tokens[] = new Twig_Token($type, $value, $this->lineno);
+ }
+
+ protected function moveCursor($text)
+ {
+ $this->cursor += strlen($text);
+ $this->lineno += substr_count($text, "\n");
+ }
+
+ protected function getOperatorRegex()
+ {
+ if (null !== $this->operatorRegex) {
+ return $this->operatorRegex;
+ }
+
+ $operators = array_merge(
+ array('='),
+ array_keys($this->env->getUnaryOperators()),
+ array_keys($this->env->getBinaryOperators())
+ );
+
+ $operators = array_combine($operators, array_map('strlen', $operators));
+ arsort($operators);
+
+ $regex = array();
+ foreach ($operators as $operator => $length) {
+ // an operator that ends with a character must be followed by
+ // a whitespace or a parenthesis
+ if (ctype_alpha($operator[$length - 1])) {
+ $regex[] = preg_quote($operator, '/').'(?=[ ()])';
+ } else {
+ $regex[] = preg_quote($operator, '/');
+ }
+ }
+
+ return $this->operatorRegex = '/'.implode('|', $regex).'/A';
+ }
+}
diff --git a/inc/contrib/Twig/LexerInterface.php b/inc/contrib/Twig/LexerInterface.php
new file mode 100644
index 00000000..02233849
--- /dev/null
+++ b/inc/contrib/Twig/LexerInterface.php
@@ -0,0 +1,29 @@
+
+ */
+interface Twig_LexerInterface
+{
+ /**
+ * Tokenizes a source code.
+ *
+ * @param string $code The source code
+ * @param string $filename A unique identifier for the source code
+ *
+ * @return Twig_TokenStream A token stream instance
+ */
+ function tokenize($code, $filename = null);
+}
diff --git a/inc/contrib/Twig/Loader/Array.php b/inc/contrib/Twig/Loader/Array.php
new file mode 100644
index 00000000..e8dc1605
--- /dev/null
+++ b/inc/contrib/Twig/Loader/Array.php
@@ -0,0 +1,95 @@
+
+ */
+class Twig_Loader_Array implements Twig_LoaderInterface
+{
+ protected $templates;
+
+ /**
+ * Constructor.
+ *
+ * @param array $templates An array of templates (keys are the names, and values are the source code)
+ *
+ * @see Twig_Loader
+ */
+ public function __construct(array $templates)
+ {
+ $this->templates = array();
+ foreach ($templates as $name => $template) {
+ $this->templates[$name] = $template;
+ }
+ }
+
+ /**
+ * Adds or overrides a template.
+ *
+ * @param string $name The template name
+ * @param string $template The template source
+ */
+ public function setTemplate($name, $template)
+ {
+ $this->templates[$name] = $template;
+ }
+
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ public function getSource($name)
+ {
+ if (!isset($this->templates[$name])) {
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ return $this->templates[$name];
+ }
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ public function getCacheKey($name)
+ {
+ if (!isset($this->templates[$name])) {
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ return $this->templates[$name];
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ public function isFresh($name, $time)
+ {
+ return true;
+ }
+}
diff --git a/inc/contrib/Twig/Loader/Chain.php b/inc/contrib/Twig/Loader/Chain.php
new file mode 100644
index 00000000..48dd8b84
--- /dev/null
+++ b/inc/contrib/Twig/Loader/Chain.php
@@ -0,0 +1,100 @@
+
+ */
+class Twig_Loader_Chain implements Twig_LoaderInterface
+{
+ protected $loaders;
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_LoaderInterface[] $loaders An array of loader instances
+ */
+ public function __construct(array $loaders = array())
+ {
+ $this->loaders = array();
+ foreach ($loaders as $loader) {
+ $this->addLoader($loader);
+ }
+ }
+
+ /**
+ * Adds a loader instance.
+ *
+ * @param Twig_LoaderInterface $loader A Loader instance
+ */
+ public function addLoader(Twig_LoaderInterface $loader)
+ {
+ $this->loaders[] = $loader;
+ }
+
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ public function getSource($name)
+ {
+ foreach ($this->loaders as $loader) {
+ try {
+ return $loader->getSource($name);
+ } catch (Twig_Error_Loader $e) {
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ public function getCacheKey($name)
+ {
+ foreach ($this->loaders as $loader) {
+ try {
+ return $loader->getCacheKey($name);
+ } catch (Twig_Error_Loader $e) {
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ public function isFresh($name, $time)
+ {
+ foreach ($this->loaders as $loader) {
+ try {
+ return $loader->isFresh($name, $time);
+ } catch (Twig_Error_Loader $e) {
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name));
+ }
+}
diff --git a/inc/contrib/Twig/Loader/Filesystem.php b/inc/contrib/Twig/Loader/Filesystem.php
new file mode 100644
index 00000000..be348aa3
--- /dev/null
+++ b/inc/contrib/Twig/Loader/Filesystem.php
@@ -0,0 +1,152 @@
+
+ */
+class Twig_Loader_Filesystem implements Twig_LoaderInterface
+{
+ protected $paths;
+ protected $cache;
+
+ /**
+ * Constructor.
+ *
+ * @param string|array $paths A path or an array of paths where to look for templates
+ */
+ public function __construct($paths)
+ {
+ $this->setPaths($paths);
+ }
+
+ /**
+ * Returns the paths to the templates.
+ *
+ * @return array The array of paths where to look for templates
+ */
+ public function getPaths()
+ {
+ return $this->paths;
+ }
+
+ /**
+ * Sets the paths where templates are stored.
+ *
+ * @param string|array $paths A path or an array of paths where to look for templates
+ */
+ public function setPaths($paths)
+ {
+ if (!is_array($paths)) {
+ $paths = array($paths);
+ }
+
+ $this->paths = array();
+ foreach ($paths as $path) {
+ $this->addPath($path);
+ }
+ }
+
+ /**
+ * Adds a path where templates are stored.
+ *
+ * @param string $path A path where to look for templates
+ */
+ public function addPath($path)
+ {
+ // invalidate the cache
+ $this->cache = array();
+
+ if (!is_dir($path)) {
+ throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist.', $path));
+ }
+
+ $this->paths[] = $path;
+ }
+
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ public function getSource($name)
+ {
+ return file_get_contents($this->findTemplate($name));
+ }
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ public function getCacheKey($name)
+ {
+ return $this->findTemplate($name);
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ public function isFresh($name, $time)
+ {
+ return filemtime($this->findTemplate($name)) < $time;
+ }
+
+ protected function findTemplate($name)
+ {
+ // normalize name
+ $name = preg_replace('#/{2,}#', '/', strtr($name, '\\', '/'));
+
+ if (isset($this->cache[$name])) {
+ return $this->cache[$name];
+ }
+
+ $this->validateName($name);
+
+ foreach ($this->paths as $path) {
+ if (is_file($path.'/'.$name)) {
+ return $this->cache[$name] = $path.'/'.$name;
+ }
+ }
+
+ throw new Twig_Error_Loader(sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths)));
+ }
+
+ protected function validateName($name)
+ {
+ if (false !== strpos($name, "\0")) {
+ throw new Twig_Error_Loader('A template name cannot contain NUL bytes.');
+ }
+
+ $parts = explode('/', $name);
+ $level = 0;
+ foreach ($parts as $part) {
+ if ('..' === $part) {
+ --$level;
+ } elseif ('.' !== $part) {
+ ++$level;
+ }
+
+ if ($level < 0) {
+ throw new Twig_Error_Loader(sprintf('Looks like you try to load a template outside configured directories (%s).', $name));
+ }
+ }
+ }
+}
diff --git a/inc/contrib/Twig/Loader/String.php b/inc/contrib/Twig/Loader/String.php
new file mode 100644
index 00000000..26eb0096
--- /dev/null
+++ b/inc/contrib/Twig/Loader/String.php
@@ -0,0 +1,59 @@
+
+ */
+class Twig_Loader_String implements Twig_LoaderInterface
+{
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ public function getSource($name)
+ {
+ return $name;
+ }
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ public function getCacheKey($name)
+ {
+ return $name;
+ }
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ public function isFresh($name, $time)
+ {
+ return true;
+ }
+}
diff --git a/inc/contrib/Twig/LoaderInterface.php b/inc/contrib/Twig/LoaderInterface.php
new file mode 100644
index 00000000..f0bd3a5b
--- /dev/null
+++ b/inc/contrib/Twig/LoaderInterface.php
@@ -0,0 +1,45 @@
+
+ */
+interface Twig_LoaderInterface
+{
+ /**
+ * Gets the source code of a template, given its name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The template source code
+ */
+ function getSource($name);
+
+ /**
+ * Gets the cache key to use for the cache for a given template name.
+ *
+ * @param string $name The name of the template to load
+ *
+ * @return string The cache key
+ */
+ function getCacheKey($name);
+
+ /**
+ * Returns true if the template is still fresh.
+ *
+ * @param string $name The template name
+ * @param timestamp $time The last modification time of the cached template
+ */
+ function isFresh($name, $time);
+}
diff --git a/inc/contrib/Twig/Markup.php b/inc/contrib/Twig/Markup.php
new file mode 100644
index 00000000..c1a1469c
--- /dev/null
+++ b/inc/contrib/Twig/Markup.php
@@ -0,0 +1,31 @@
+
+ */
+class Twig_Markup
+{
+ protected $content;
+
+ public function __construct($content)
+ {
+ $this->content = (string) $content;
+ }
+
+ public function __toString()
+ {
+ return $this->content;
+ }
+}
diff --git a/inc/contrib/Twig/Node.php b/inc/contrib/Twig/Node.php
new file mode 100644
index 00000000..22e65d45
--- /dev/null
+++ b/inc/contrib/Twig/Node.php
@@ -0,0 +1,227 @@
+
+ */
+class Twig_Node implements Twig_NodeInterface, Countable, IteratorAggregate
+{
+ protected $nodes;
+ protected $attributes;
+ protected $lineno;
+ protected $tag;
+
+ /**
+ * Constructor.
+ *
+ * The nodes are automatically made available as properties ($this->node).
+ * The attributes are automatically made available as array items ($this['name']).
+ *
+ * @param array $nodes An array of named nodes
+ * @param array $attributes An array of attributes (should not be nodes)
+ * @param integer $lineno The line number
+ * @param string $tag The tag name associated with the Node
+ */
+ public function __construct(array $nodes = array(), array $attributes = array(), $lineno = 0, $tag = null)
+ {
+ $this->nodes = $nodes;
+ $this->attributes = $attributes;
+ $this->lineno = $lineno;
+ $this->tag = $tag;
+ }
+
+ public function __toString()
+ {
+ $attributes = array();
+ foreach ($this->attributes as $name => $value) {
+ $attributes[] = sprintf('%s: %s', $name, str_replace("\n", '', var_export($value, true)));
+ }
+
+ $repr = array(get_class($this).'('.implode(', ', $attributes));
+
+ if (count($this->nodes)) {
+ foreach ($this->nodes as $name => $node) {
+ $len = strlen($name) + 4;
+ $noderepr = array();
+ foreach (explode("\n", (string) $node) as $line) {
+ $noderepr[] = str_repeat(' ', $len).$line;
+ }
+
+ $repr[] = sprintf(' %s: %s', $name, ltrim(implode("\n", $noderepr)));
+ }
+
+ $repr[] = ')';
+ } else {
+ $repr[0] .= ')';
+ }
+
+ return implode("\n", $repr);
+ }
+
+ public function toXml($asDom = false)
+ {
+ $dom = new DOMDocument('1.0', 'UTF-8');
+ $dom->formatOutput = true;
+ $dom->appendChild($xml = $dom->createElement('twig'));
+
+ $xml->appendChild($node = $dom->createElement('node'));
+ $node->setAttribute('class', get_class($this));
+
+ foreach ($this->attributes as $name => $value) {
+ $node->appendChild($attribute = $dom->createElement('attribute'));
+ $attribute->setAttribute('name', $name);
+ $attribute->appendChild($dom->createTextNode($value));
+ }
+
+ foreach ($this->nodes as $name => $n) {
+ if (null === $n) {
+ continue;
+ }
+
+ $child = $n->toXml(true)->getElementsByTagName('node')->item(0);
+ $child = $dom->importNode($child, true);
+ $child->setAttribute('name', $name);
+
+ $node->appendChild($child);
+ }
+
+ return $asDom ? $dom : $dom->saveXml();
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ foreach ($this->nodes as $node) {
+ $node->compile($compiler);
+ }
+ }
+
+ public function getLine()
+ {
+ return $this->lineno;
+ }
+
+ public function getNodeTag()
+ {
+ return $this->tag;
+ }
+
+ /**
+ * Returns true if the attribute is defined.
+ *
+ * @param string The attribute name
+ *
+ * @return Boolean true if the attribute is defined, false otherwise
+ */
+ public function hasAttribute($name)
+ {
+ return array_key_exists($name, $this->attributes);
+ }
+
+ /**
+ * Gets an attribute.
+ *
+ * @param string The attribute name
+ *
+ * @return mixed The attribute value
+ */
+ public function getAttribute($name)
+ {
+ if (!array_key_exists($name, $this->attributes)) {
+ throw new Twig_Error_Runtime(sprintf('Attribute "%s" does not exist for Node "%s".', $name, get_class($this)));
+ }
+
+ return $this->attributes[$name];
+ }
+
+ /**
+ * Sets an attribute.
+ *
+ * @param string The attribute name
+ * @param mixed The attribute value
+ */
+ public function setAttribute($name, $value)
+ {
+ $this->attributes[$name] = $value;
+ }
+
+ /**
+ * Removes an attribute.
+ *
+ * @param string The attribute name
+ */
+ public function removeAttribute($name)
+ {
+ unset($this->attributes[$name]);
+ }
+
+ /**
+ * Returns true if the node with the given identifier exists.
+ *
+ * @param string The node name
+ *
+ * @return Boolean true if the node with the given name exists, false otherwise
+ */
+ public function hasNode($name)
+ {
+ return array_key_exists($name, $this->nodes);
+ }
+
+ /**
+ * Gets a node by name.
+ *
+ * @param string The node name
+ *
+ * @return Twig_Node A Twig_Node instance
+ */
+ public function getNode($name)
+ {
+ if (!array_key_exists($name, $this->nodes)) {
+ throw new Twig_Error_Runtime(sprintf('Node "%s" does not exist for Node "%s".', $name, get_class($this)));
+ }
+
+ return $this->nodes[$name];
+ }
+
+ /**
+ * Sets a node.
+ *
+ * @param string The node name
+ * @param Twig_Node A Twig_Node instance
+ */
+ public function setNode($name, $node = null)
+ {
+ $this->nodes[$name] = $node;
+ }
+
+ /**
+ * Removes a node by name.
+ *
+ * @param string The node name
+ */
+ public function removeNode($name)
+ {
+ unset($this->nodes[$name]);
+ }
+
+ public function count()
+ {
+ return count($this->nodes);
+ }
+
+ public function getIterator()
+ {
+ return new ArrayIterator($this->nodes);
+ }
+}
diff --git a/inc/contrib/Twig/Node/AutoEscape.php b/inc/contrib/Twig/Node/AutoEscape.php
new file mode 100644
index 00000000..a0c2ee6d
--- /dev/null
+++ b/inc/contrib/Twig/Node/AutoEscape.php
@@ -0,0 +1,40 @@
+
+ */
+class Twig_Node_AutoEscape extends Twig_Node
+{
+ public function __construct($value, Twig_NodeInterface $body, $lineno, $tag = 'autoescape')
+ {
+ parent::__construct(array('body' => $body), array('value' => $value), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('body'));
+ }
+}
diff --git a/inc/contrib/Twig/Node/Block.php b/inc/contrib/Twig/Node/Block.php
new file mode 100644
index 00000000..5548ad06
--- /dev/null
+++ b/inc/contrib/Twig/Node/Block.php
@@ -0,0 +1,45 @@
+
+ */
+class Twig_Node_Block extends Twig_Node
+{
+ public function __construct($name, Twig_NodeInterface $body, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf("public function block_%s(\$context, array \$blocks = array())\n", $this->getAttribute('name')), "{\n")
+ ->indent()
+ ;
+
+ $compiler
+ ->subcompile($this->getNode('body'))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/BlockReference.php b/inc/contrib/Twig/Node/BlockReference.php
new file mode 100644
index 00000000..53f6287c
--- /dev/null
+++ b/inc/contrib/Twig/Node/BlockReference.php
@@ -0,0 +1,38 @@
+
+ */
+class Twig_Node_BlockReference extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct($name, $lineno, $tag = null)
+ {
+ parent::__construct(array(), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf("\$this->displayBlock('%s', \$context, \$blocks);\n", $this->getAttribute('name')))
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression.php b/inc/contrib/Twig/Node/Expression.php
new file mode 100644
index 00000000..13b170e5
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression.php
@@ -0,0 +1,21 @@
+
+ */
+abstract class Twig_Node_Expression extends Twig_Node
+{
+}
diff --git a/inc/contrib/Twig/Node/Expression/Array.php b/inc/contrib/Twig/Node/Expression/Array.php
new file mode 100644
index 00000000..2d860823
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Array.php
@@ -0,0 +1,41 @@
+raw('array(');
+ $first = true;
+ foreach ($this->nodes as $name => $node) {
+ if (!$first) {
+ $compiler->raw(', ');
+ }
+ $first = false;
+
+ $compiler
+ ->repr($name)
+ ->raw(' => ')
+ ->subcompile($node)
+ ;
+ }
+ $compiler->raw(')');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/AssignName.php b/inc/contrib/Twig/Node/Expression/AssignName.php
new file mode 100644
index 00000000..67f12509
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/AssignName.php
@@ -0,0 +1,24 @@
+raw(sprintf('$context[\'%s\']', $this->getAttribute('name')));
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary.php b/inc/contrib/Twig/Node/Expression/Binary.php
new file mode 100644
index 00000000..9dd5de2c
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary.php
@@ -0,0 +1,40 @@
+ $left, 'right' => $right), array(), $lineno);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('(')
+ ->subcompile($this->getNode('left'))
+ ->raw(' ')
+ ;
+ $this->operator($compiler);
+ $compiler
+ ->raw(' ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ abstract public function operator(Twig_Compiler $compiler);
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Add.php b/inc/contrib/Twig/Node/Expression/Binary/Add.php
new file mode 100644
index 00000000..0ef8e117
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Add.php
@@ -0,0 +1,18 @@
+raw('+');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/And.php b/inc/contrib/Twig/Node/Expression/Binary/And.php
new file mode 100644
index 00000000..d5752ebb
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/And.php
@@ -0,0 +1,18 @@
+raw('&&');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/BitwiseAnd.php b/inc/contrib/Twig/Node/Expression/Binary/BitwiseAnd.php
new file mode 100644
index 00000000..9a46d845
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/BitwiseAnd.php
@@ -0,0 +1,18 @@
+raw('&');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/BitwiseOr.php b/inc/contrib/Twig/Node/Expression/Binary/BitwiseOr.php
new file mode 100644
index 00000000..058a20bf
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/BitwiseOr.php
@@ -0,0 +1,18 @@
+raw('|');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/BitwiseXor.php b/inc/contrib/Twig/Node/Expression/Binary/BitwiseXor.php
new file mode 100644
index 00000000..f4da73d4
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/BitwiseXor.php
@@ -0,0 +1,18 @@
+raw('^');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Concat.php b/inc/contrib/Twig/Node/Expression/Binary/Concat.php
new file mode 100644
index 00000000..f9a64627
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Concat.php
@@ -0,0 +1,18 @@
+raw('.');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Div.php b/inc/contrib/Twig/Node/Expression/Binary/Div.php
new file mode 100644
index 00000000..e0797a61
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Div.php
@@ -0,0 +1,18 @@
+raw('/');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Equal.php b/inc/contrib/Twig/Node/Expression/Binary/Equal.php
new file mode 100644
index 00000000..7b1236d0
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Equal.php
@@ -0,0 +1,17 @@
+raw('==');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/FloorDiv.php b/inc/contrib/Twig/Node/Expression/Binary/FloorDiv.php
new file mode 100644
index 00000000..e86b1ea0
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/FloorDiv.php
@@ -0,0 +1,29 @@
+raw('floor(');
+ parent::compile($compiler);
+ $compiler->raw(')');
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('/');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Greater.php b/inc/contrib/Twig/Node/Expression/Binary/Greater.php
new file mode 100644
index 00000000..a110bd92
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Greater.php
@@ -0,0 +1,17 @@
+raw('>');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/GreaterEqual.php b/inc/contrib/Twig/Node/Expression/Binary/GreaterEqual.php
new file mode 100644
index 00000000..3754fed2
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/GreaterEqual.php
@@ -0,0 +1,17 @@
+raw('>=');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/In.php b/inc/contrib/Twig/Node/Expression/Binary/In.php
new file mode 100644
index 00000000..788f9377
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/In.php
@@ -0,0 +1,33 @@
+raw('twig_in_filter(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('in');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Less.php b/inc/contrib/Twig/Node/Expression/Binary/Less.php
new file mode 100644
index 00000000..45fd3004
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Less.php
@@ -0,0 +1,17 @@
+raw('<');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/LessEqual.php b/inc/contrib/Twig/Node/Expression/Binary/LessEqual.php
new file mode 100644
index 00000000..e38e257c
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/LessEqual.php
@@ -0,0 +1,17 @@
+raw('<=');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Mod.php b/inc/contrib/Twig/Node/Expression/Binary/Mod.php
new file mode 100644
index 00000000..9924114f
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Mod.php
@@ -0,0 +1,18 @@
+raw('%');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Mul.php b/inc/contrib/Twig/Node/Expression/Binary/Mul.php
new file mode 100644
index 00000000..c91529ca
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Mul.php
@@ -0,0 +1,18 @@
+raw('*');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/NotEqual.php b/inc/contrib/Twig/Node/Expression/Binary/NotEqual.php
new file mode 100644
index 00000000..26867ba2
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/NotEqual.php
@@ -0,0 +1,17 @@
+raw('!=');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/NotIn.php b/inc/contrib/Twig/Node/Expression/Binary/NotIn.php
new file mode 100644
index 00000000..f347b7b6
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/NotIn.php
@@ -0,0 +1,33 @@
+raw('!twig_in_filter(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('not in');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Or.php b/inc/contrib/Twig/Node/Expression/Binary/Or.php
new file mode 100644
index 00000000..adba49c6
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Or.php
@@ -0,0 +1,18 @@
+raw('||');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Power.php b/inc/contrib/Twig/Node/Expression/Binary/Power.php
new file mode 100644
index 00000000..b2c59040
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Power.php
@@ -0,0 +1,33 @@
+raw('pow(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('**');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Range.php b/inc/contrib/Twig/Node/Expression/Binary/Range.php
new file mode 100644
index 00000000..bea4f2a6
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Range.php
@@ -0,0 +1,33 @@
+raw('range(')
+ ->subcompile($this->getNode('left'))
+ ->raw(', ')
+ ->subcompile($this->getNode('right'))
+ ->raw(')')
+ ;
+ }
+
+ public function operator(Twig_Compiler $compiler)
+ {
+ return $compiler->raw('..');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Binary/Sub.php b/inc/contrib/Twig/Node/Expression/Binary/Sub.php
new file mode 100644
index 00000000..d4463991
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Binary/Sub.php
@@ -0,0 +1,18 @@
+raw('-');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/BlockReference.php b/inc/contrib/Twig/Node/Expression/BlockReference.php
new file mode 100644
index 00000000..174d9097
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/BlockReference.php
@@ -0,0 +1,52 @@
+
+ */
+class Twig_Node_Expression_BlockReference extends Twig_Node_Expression
+{
+ public function __construct(Twig_NodeInterface $name, $asString = false, $lineno, $tag = null)
+ {
+ parent::__construct(array('name' => $name), array('as_string' => $asString, 'output' => false), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ if ($this->getAttribute('as_string')) {
+ $compiler->raw('(string) ');
+ }
+
+ if ($this->getAttribute('output')) {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("\$this->displayBlock(")
+ ->subcompile($this->getNode('name'))
+ ->raw(", \$context, \$blocks);\n")
+ ;
+ } else {
+ $compiler
+ ->raw("\$this->renderBlock(")
+ ->subcompile($this->getNode('name'))
+ ->raw(", \$context, \$blocks)")
+ ;
+ }
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Conditional.php b/inc/contrib/Twig/Node/Expression/Conditional.php
new file mode 100644
index 00000000..edcb1e2d
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Conditional.php
@@ -0,0 +1,31 @@
+ $expr1, 'expr2' => $expr2, 'expr3' => $expr3), array(), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw('((')
+ ->subcompile($this->getNode('expr1'))
+ ->raw(') ? (')
+ ->subcompile($this->getNode('expr2'))
+ ->raw(') : (')
+ ->subcompile($this->getNode('expr3'))
+ ->raw('))')
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Constant.php b/inc/contrib/Twig/Node/Expression/Constant.php
new file mode 100644
index 00000000..a91dc698
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Constant.php
@@ -0,0 +1,23 @@
+ $value), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->repr($this->getAttribute('value'));
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/ExtensionReference.php b/inc/contrib/Twig/Node/Expression/ExtensionReference.php
new file mode 100644
index 00000000..cb4efad0
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/ExtensionReference.php
@@ -0,0 +1,34 @@
+
+ */
+class Twig_Node_Expression_ExtensionReference extends Twig_Node_Expression
+{
+ public function __construct($name, $lineno, $tag = null)
+ {
+ parent::__construct(array(), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw(sprintf("\$this->env->getExtension('%s')", $this->getAttribute('name')));
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Filter.php b/inc/contrib/Twig/Node/Expression/Filter.php
new file mode 100644
index 00000000..101e6df0
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Filter.php
@@ -0,0 +1,72 @@
+ $node, 'filter' => $filterName, 'arguments' => $arguments), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $name = $this->getNode('filter')->getAttribute('value');
+ if (false === $filter = $compiler->getEnvironment()->getFilter($name)) {
+ throw new Twig_Error_Syntax(sprintf('The filter "%s" does not exist', $name), $this->getLine());
+ }
+
+ $node = $this->getNode('node');
+
+ // The default filter is intercepted when the filtered value
+ // is a name (like obj) or an attribute (like obj.attr)
+ // In such a case, it's compiled to {{ obj is defined ? obj|default('bar') : 'bar' }}
+ if ('default' === $name && ($node instanceof Twig_Node_Expression_Name || $node instanceof Twig_Node_Expression_GetAttr)) {
+ $compiler
+ ->raw('((')
+ ->subcompile(new Twig_Node_Expression_Test($node, 'defined', new Twig_Node(), $this->getLine()))
+ ->raw(') ? (')
+ ;
+
+ $this->compileFilter($compiler, $filter);
+
+ $compiler->raw(') : (');
+
+ if ($this->getNode('arguments')->hasNode(0)) {
+ $compiler->subcompile($this->getNode('arguments')->getNode(0));
+ } else {
+ $compiler->string('');
+ }
+
+ $compiler->raw('))');
+ } else {
+ $this->compileFilter($compiler, $filter);
+ }
+ }
+
+ protected function compileFilter(Twig_Compiler $compiler, Twig_FilterInterface $filter)
+ {
+ $compiler
+ ->raw($filter->compile().'(')
+ ->raw($filter->needsEnvironment() ? '$this->env, ' : '')
+ ->raw($filter->needsContext() ? '$context, ' : '')
+ ->subcompile($this->getNode('node'))
+ ;
+
+ foreach ($this->getNode('arguments') as $node) {
+ $compiler
+ ->raw(', ')
+ ->subcompile($node)
+ ;
+ }
+
+ $compiler->raw(')');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Function.php b/inc/contrib/Twig/Node/Expression/Function.php
new file mode 100644
index 00000000..3f457199
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Function.php
@@ -0,0 +1,49 @@
+ $arguments), array('name' => $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $function = $compiler->getEnvironment()->getFunction($this->getAttribute('name'));
+ if (false === $function) {
+ throw new Twig_Error_Syntax(sprintf('The function "%s" does not exist', $this->getAttribute('name')), $this->getLine());
+ }
+
+ $compiler
+ ->raw($function->compile().'(')
+ ->raw($function->needsEnvironment() ? '$this->env' : '')
+ ;
+
+ if ($function->needsContext()) {
+ $compiler->raw($function->needsEnvironment() ? ', $context' : '$context');
+ }
+
+ $first = true;
+ foreach ($this->getNode('arguments') as $node) {
+ if (!$first) {
+ $compiler->raw(', ');
+ } else {
+ if ($function->needsEnvironment() || $function->needsContext()) {
+ $compiler->raw(', ');
+ }
+ $first = false;
+ }
+ $compiler->subcompile($node);
+ }
+
+ $compiler->raw(')');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/GetAttr.php b/inc/contrib/Twig/Node/Expression/GetAttr.php
new file mode 100644
index 00000000..eb9e6050
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/GetAttr.php
@@ -0,0 +1,53 @@
+ $node, 'attribute' => $attribute, 'arguments' => $arguments), array('type' => $type), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw('$this->getAttribute(');
+
+ if ($this->hasAttribute('is_defined_test') && $compiler->getEnvironment()->isStrictVariables()) {
+ $compiler->subcompile(new Twig_Node_Expression_Filter(
+ $this->getNode('node'),
+ new Twig_Node_Expression_Constant('default', $this->getLine()),
+ new Twig_Node(),
+ $this->getLine()
+ ));
+ } else {
+ $compiler->subcompile($this->getNode('node'));
+ }
+
+ $compiler
+ ->raw(', ')
+ ->subcompile($this->getNode('attribute'))
+ ->raw(', array(')
+ ;
+
+ foreach ($this->getNode('arguments') as $node) {
+ $compiler
+ ->subcompile($node)
+ ->raw(', ')
+ ;
+ }
+
+ $compiler
+ ->raw('), ')
+ ->repr($this->getAttribute('type'))
+ ->raw($this->hasAttribute('is_defined_test') ? ', true' : ', false')
+ ->raw(')');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Name.php b/inc/contrib/Twig/Node/Expression/Name.php
new file mode 100644
index 00000000..fceda2b7
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Name.php
@@ -0,0 +1,41 @@
+ $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ static $specialVars = array(
+ '_self' => '$this',
+ '_context' => '$context',
+ '_charset' => '$this->env->getCharset()',
+ );
+
+ $name = $this->getAttribute('name');
+
+ if ($this->hasAttribute('is_defined_test')) {
+ if (isset($specialVars[$name])) {
+ $compiler->repr(true);
+ } else {
+ $compiler->raw('array_key_exists(')->repr($name)->raw(', $context)');
+ }
+ } elseif (isset($specialVars[$name])) {
+ $compiler->raw($specialVars[$name]);
+ } else {
+ $compiler->raw(sprintf('$this->getContext($context, \'%s\')', $name));
+ }
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Parent.php b/inc/contrib/Twig/Node/Expression/Parent.php
new file mode 100644
index 00000000..5689fe45
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Parent.php
@@ -0,0 +1,39 @@
+
+ */
+class Twig_Node_Expression_Parent extends Twig_Node_Expression
+{
+ public function __construct($name, $lineno, $tag = null)
+ {
+ parent::__construct(array(), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->raw("\$this->renderParentBlock(")
+ ->string($this->getAttribute('name'))
+ ->raw(", \$context, \$blocks)")
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Test.php b/inc/contrib/Twig/Node/Expression/Test.php
new file mode 100644
index 00000000..ef35df6b
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Test.php
@@ -0,0 +1,60 @@
+ $node, 'arguments' => $arguments), array('name' => $name), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $testMap = $compiler->getEnvironment()->getTests();
+ if (!isset($testMap[$this->getAttribute('name')])) {
+ throw new Twig_Error_Syntax(sprintf('The test "%s" does not exist', $this->getAttribute('name')), $this->getLine());
+ }
+
+ $name = $this->getAttribute('name');
+ $node = $this->getNode('node');
+
+ // defined is a special case
+ if ('defined' === $name) {
+ if ($node instanceof Twig_Node_Expression_Name || $node instanceof Twig_Node_Expression_GetAttr) {
+ $node->setAttribute('is_defined_test', true);
+ $compiler->subcompile($node);
+ $node->removeAttribute('is_defined_test');
+ } else {
+ throw new Twig_Error_Syntax('The "defined" test only works with simple variables', $this->getLine());
+ }
+ return;
+ }
+
+ $compiler
+ ->raw($testMap[$name]->compile().'(')
+ ->subcompile($node)
+ ;
+
+ if (null !== $this->getNode('arguments')) {
+ $compiler->raw(', ');
+
+ $max = count($this->getNode('arguments')) - 1;
+ foreach ($this->getNode('arguments') as $i => $arg) {
+ $compiler->subcompile($arg);
+
+ if ($i != $max) {
+ $compiler->raw(', ');
+ }
+ }
+ }
+
+ $compiler->raw(')');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Unary.php b/inc/contrib/Twig/Node/Expression/Unary.php
new file mode 100644
index 00000000..c514388e
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Unary.php
@@ -0,0 +1,30 @@
+ $node), array(), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw('(');
+ $this->operator($compiler);
+ $compiler
+ ->subcompile($this->getNode('node'))
+ ->raw(')')
+ ;
+ }
+
+ abstract public function operator(Twig_Compiler $compiler);
+}
diff --git a/inc/contrib/Twig/Node/Expression/Unary/Neg.php b/inc/contrib/Twig/Node/Expression/Unary/Neg.php
new file mode 100644
index 00000000..2a3937ec
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Unary/Neg.php
@@ -0,0 +1,18 @@
+raw('-');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Unary/Not.php b/inc/contrib/Twig/Node/Expression/Unary/Not.php
new file mode 100644
index 00000000..f94073cf
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Unary/Not.php
@@ -0,0 +1,18 @@
+raw('!');
+ }
+}
diff --git a/inc/contrib/Twig/Node/Expression/Unary/Pos.php b/inc/contrib/Twig/Node/Expression/Unary/Pos.php
new file mode 100644
index 00000000..04edb52a
--- /dev/null
+++ b/inc/contrib/Twig/Node/Expression/Unary/Pos.php
@@ -0,0 +1,18 @@
+raw('+');
+ }
+}
diff --git a/inc/contrib/Twig/Node/For.php b/inc/contrib/Twig/Node/For.php
new file mode 100644
index 00000000..eb204e28
--- /dev/null
+++ b/inc/contrib/Twig/Node/For.php
@@ -0,0 +1,141 @@
+
+ */
+class Twig_Node_For extends Twig_Node
+{
+ public function __construct(Twig_Node_Expression_AssignName $keyTarget, Twig_Node_Expression_AssignName $valueTarget, Twig_Node_Expression $seq, Twig_Node_Expression $ifexpr = null, Twig_NodeInterface $body, Twig_NodeInterface $else = null, $lineno, $tag = null)
+ {
+ parent::__construct(array('key_target' => $keyTarget, 'value_target' => $valueTarget, 'seq' => $seq, 'ifexpr' => $ifexpr, 'body' => $body, 'else' => $else), array('with_loop' => true), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ // the (array) cast bypasses a PHP 5.2.6 bug
+ ->write("\$context['_parent'] = (array) \$context;\n")
+ ->write("\$context['_seq'] = twig_ensure_traversable(")
+ ->subcompile($this->getNode('seq'))
+ ->raw(");\n")
+ ;
+
+ if (null !== $this->getNode('else')) {
+ $compiler->write("\$context['_iterated'] = false;\n");
+ }
+
+ if ($this->getAttribute('with_loop')) {
+ $compiler
+ ->write("\$context['loop'] = array(\n")
+ ->write(" 'parent' => \$context['_parent'],\n")
+ ->write(" 'index0' => 0,\n")
+ ->write(" 'index' => 1,\n")
+ ->write(" 'first' => true,\n")
+ ->write(");\n")
+ ;
+
+ if (null === $this->getNode('ifexpr')) {
+ $compiler
+ ->write("if (is_array(\$context['_seq']) || (is_object(\$context['_seq']) && \$context['_seq'] instanceof Countable)) {\n")
+ ->indent()
+ ->write("\$length = count(\$context['_seq']);\n")
+ ->write("\$context['loop']['revindex0'] = \$length - 1;\n")
+ ->write("\$context['loop']['revindex'] = \$length;\n")
+ ->write("\$context['loop']['length'] = \$length;\n")
+ ->write("\$context['loop']['last'] = 1 === \$length;\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+ }
+
+ $compiler
+ ->write("foreach (\$context['_seq'] as ")
+ ->subcompile($this->getNode('key_target'))
+ ->raw(" => ")
+ ->subcompile($this->getNode('value_target'))
+ ->raw(") {\n")
+ ->indent()
+ ;
+
+ if (null !== $this->getNode('ifexpr')) {
+ $compiler
+ ->write("if (!(")
+ ->subcompile($this->getNode('ifexpr'))
+ ->raw(")) {\n")
+ ->indent()
+ ->write("continue;\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ $compiler->subcompile($this->getNode('body'));
+
+ if (null !== $this->getNode('else')) {
+ $compiler->write("\$context['_iterated'] = true;\n");
+ }
+
+ if ($this->getAttribute('with_loop')) {
+ $compiler
+ ->write("++\$context['loop']['index0'];\n")
+ ->write("++\$context['loop']['index'];\n")
+ ->write("\$context['loop']['first'] = false;\n")
+ ;
+
+ if (null === $this->getNode('ifexpr')) {
+ $compiler
+ ->write("if (isset(\$context['loop']['length'])) {\n")
+ ->indent()
+ ->write("--\$context['loop']['revindex0'];\n")
+ ->write("--\$context['loop']['revindex'];\n")
+ ->write("\$context['loop']['last'] = 0 === \$context['loop']['revindex0'];\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+ }
+
+ $compiler
+ ->outdent()
+ ->write("}\n")
+ ;
+
+ if (null !== $this->getNode('else')) {
+ $compiler
+ ->write("if (!\$context['_iterated']) {\n")
+ ->indent()
+ ->subcompile($this->getNode('else'))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ $compiler->write("\$_parent = \$context['_parent'];\n");
+
+ // remove some "private" loop variables (needed for nested loops)
+ $compiler->write('unset($context[\'_seq\'], $context[\'_iterated\'], $context[\''.$this->getNode('key_target')->getAttribute('name').'\'], $context[\''.$this->getNode('value_target')->getAttribute('name').'\'], $context[\'_parent\'], $context[\'loop\']);'."\n");
+
+ // keep the values set in the inner context for variables defined in the outer context
+ $compiler->write("\$context = array_merge(\$_parent, array_intersect_key(\$context, \$_parent));\n");
+ }
+}
diff --git a/inc/contrib/Twig/Node/If.php b/inc/contrib/Twig/Node/If.php
new file mode 100644
index 00000000..aa12efbe
--- /dev/null
+++ b/inc/contrib/Twig/Node/If.php
@@ -0,0 +1,67 @@
+
+ */
+class Twig_Node_If extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $tests, Twig_NodeInterface $else = null, $lineno, $tag = null)
+ {
+ parent::__construct(array('tests' => $tests, 'else' => $else), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+ for ($i = 0; $i < count($this->getNode('tests')); $i += 2) {
+ if ($i > 0) {
+ $compiler
+ ->outdent()
+ ->write("} elseif (")
+ ;
+ } else {
+ $compiler
+ ->write('if (')
+ ;
+ }
+
+ $compiler
+ ->subcompile($this->getNode('tests')->getNode($i))
+ ->raw(") {\n")
+ ->indent()
+ ->subcompile($this->getNode('tests')->getNode($i + 1))
+ ;
+ }
+
+ if ($this->hasNode('else') && null !== $this->getNode('else')) {
+ $compiler
+ ->outdent()
+ ->write("} else {\n")
+ ->indent()
+ ->subcompile($this->getNode('else'))
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write("}\n");
+ }
+}
diff --git a/inc/contrib/Twig/Node/Import.php b/inc/contrib/Twig/Node/Import.php
new file mode 100644
index 00000000..a327411d
--- /dev/null
+++ b/inc/contrib/Twig/Node/Import.php
@@ -0,0 +1,51 @@
+
+ */
+class Twig_Node_Import extends Twig_Node
+{
+ public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $var, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr, 'var' => $var), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('')
+ ->subcompile($this->getNode('var'))
+ ->raw(' = ')
+ ;
+
+ if ($this->getNode('expr') instanceof Twig_Node_Expression_Name && '_self' === $this->getNode('expr')->getAttribute('name')) {
+ $compiler->raw("\$this");
+ } else {
+ $compiler
+ ->raw('$this->env->loadTemplate(')
+ ->subcompile($this->getNode('expr'))
+ ->raw(")")
+ ;
+ }
+
+ $compiler->raw(";\n");
+ }
+}
diff --git a/inc/contrib/Twig/Node/Include.php b/inc/contrib/Twig/Node/Include.php
new file mode 100644
index 00000000..467749b5
--- /dev/null
+++ b/inc/contrib/Twig/Node/Include.php
@@ -0,0 +1,88 @@
+
+ */
+class Twig_Node_Include extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $variables = null, $only = false, $ignoreMissing = false, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr, 'variables' => $variables), array('only' => (Boolean) $only, 'ignore_missing' => (Boolean) $ignoreMissing), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+
+ if ($this->getAttribute('ignore_missing')) {
+ $compiler
+ ->write("try {\n")
+ ->indent()
+ ;
+ }
+
+ if ($this->getNode('expr') instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->write("\$this->env->loadTemplate(")
+ ->subcompile($this->getNode('expr'))
+ ->raw(")->display(")
+ ;
+ } else {
+ $compiler
+ ->write("\$template = \$this->env->resolveTemplate(")
+ ->subcompile($this->getNode('expr'))
+ ->raw(");\n")
+ ->write('$template->display(')
+ ;
+ }
+
+ if (false === $this->getAttribute('only')) {
+ if (null === $this->getNode('variables')) {
+ $compiler->raw('$context');
+ } else {
+ $compiler
+ ->raw('array_merge($context, ')
+ ->subcompile($this->getNode('variables'))
+ ->raw(')')
+ ;
+ }
+ } else {
+ if (null === $this->getNode('variables')) {
+ $compiler->raw('array()');
+ } else {
+ $compiler->subcompile($this->getNode('variables'));
+ }
+ }
+
+ $compiler->raw(");\n");
+
+ if ($this->getAttribute('ignore_missing')) {
+ $compiler
+ ->outdent()
+ ->write("} catch (Twig_Error_Loader \$e) {\n")
+ ->indent()
+ ->write("// ignore missing template\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+ }
+}
diff --git a/inc/contrib/Twig/Node/Macro.php b/inc/contrib/Twig/Node/Macro.php
new file mode 100644
index 00000000..9f95570f
--- /dev/null
+++ b/inc/contrib/Twig/Node/Macro.php
@@ -0,0 +1,73 @@
+
+ */
+class Twig_Node_Macro extends Twig_Node
+{
+ public function __construct($name, Twig_NodeInterface $body, Twig_NodeInterface $arguments, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body, 'arguments' => $arguments), array('name' => $name), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $arguments = array();
+ foreach ($this->getNode('arguments') as $argument) {
+ $arguments[] = '$'.$argument->getAttribute('name').' = null';
+ }
+
+ $compiler
+ ->addDebugInfo($this)
+ ->write(sprintf("public function get%s(%s)\n", $this->getAttribute('name'), implode(', ', $arguments)), "{\n")
+ ->indent()
+ ->write("\$context = array_merge(\$this->env->getGlobals(), array(\n")
+ ->indent()
+ ;
+
+ foreach ($this->getNode('arguments') as $argument) {
+ $compiler
+ ->write('')
+ ->string($argument->getAttribute('name'))
+ ->raw(' => $'.$argument->getAttribute('name'))
+ ->raw(",\n")
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write("));\n\n")
+ ->write("ob_start();\n")
+ ->write("try {\n")
+ ->indent()
+ ->subcompile($this->getNode('body'))
+ ->outdent()
+ ->write("} catch(Exception \$e) {\n")
+ ->indent()
+ ->write("ob_end_clean();\n\n")
+ ->write("throw \$e;\n")
+ ->outdent()
+ ->write("}\n\n")
+ ->write("return ob_get_clean();\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/Module.php b/inc/contrib/Twig/Node/Module.php
new file mode 100644
index 00000000..9b8c55e3
--- /dev/null
+++ b/inc/contrib/Twig/Node/Module.php
@@ -0,0 +1,302 @@
+
+ */
+class Twig_Node_Module extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $body, Twig_Node_Expression $parent = null, Twig_NodeInterface $blocks, Twig_NodeInterface $macros, Twig_NodeInterface $traits, $filename)
+ {
+ parent::__construct(array('parent' => $parent, 'body' => $body, 'blocks' => $blocks, 'macros' => $macros, 'traits' => $traits), array('filename' => $filename), 1);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $this->compileTemplate($compiler);
+ }
+
+ protected function compileTemplate(Twig_Compiler $compiler)
+ {
+ $this->compileClassHeader($compiler);
+
+ if (count($this->getNode('blocks')) || count($this->getNode('traits'))) {
+ $this->compileConstructor($compiler);
+ }
+
+ $this->compileGetParent($compiler);
+
+ $this->compileDisplayHeader($compiler);
+
+ $this->compileDisplayBody($compiler);
+
+ $this->compileDisplayFooter($compiler);
+
+ $compiler->subcompile($this->getNode('blocks'));
+
+ $this->compileMacros($compiler);
+
+ $this->compileGetTemplateName($compiler);
+
+ $this->compileIsTraitable($compiler);
+
+ $this->compileClassFooter($compiler);
+ }
+
+ protected function compileGetParent(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("protected function doGetParent(array \$context)\n", "{\n")
+ ->indent()
+ ->write("return ")
+ ;
+
+ if (null === $this->getNode('parent')) {
+ $compiler->raw("false");
+ } else {
+ if ($this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
+ $compiler->subcompile($this->getNode('parent'));
+ } else {
+ $compiler
+ ->raw("\$this->env->resolveTemplate(")
+ ->subcompile($this->getNode('parent'))
+ ->raw(")")
+ ;
+ }
+ }
+
+ $compiler
+ ->raw(";\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileDisplayBody(Twig_Compiler $compiler)
+ {
+ $compiler->write("\$context = array_merge(\$this->env->getGlobals(), \$context);\n\n");
+ $compiler->subcompile($this->getNode('body'));
+
+ if (null !== $this->getNode('parent')) {
+ $compiler->write("\$this->getParent(\$context)->display(\$context, array_merge(\$this->blocks, \$blocks));\n");
+ }
+ }
+
+ protected function compileClassHeader(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("write("/* ".str_replace('*/', '* /', $this->getAttribute('filename'))." */\n")
+ ->write('class '.$compiler->getEnvironment()->getTemplateClass($this->getAttribute('filename')))
+ ->raw(sprintf(" extends %s\n", $compiler->getEnvironment()->getBaseTemplateClass()))
+ ->write("{\n")
+ ->indent()
+ ;
+ }
+
+ protected function compileConstructor(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function __construct(Twig_Environment \$env)\n", "{\n")
+ ->indent()
+ ->write("parent::__construct(\$env);\n\n")
+ ;
+
+ $countTraits = count($this->getNode('traits'));
+ if ($countTraits) {
+ // traits
+ foreach ($this->getNode('traits') as $i => $trait) {
+ $this->compileLoadTemplate($compiler, $trait->getNode('template'), sprintf('$_trait_%s', $i));
+
+ $compiler
+ ->addDebugInfo($trait->getNode('template'))
+ ->write(sprintf("if (!\$_trait_%s->isTraitable()) {\n", $i))
+ ->indent()
+ ->write("throw new Twig_Error_Runtime('Template \"'.")
+ ->subcompile($trait->getNode('template'))
+ ->raw(".'\" cannot be used as a trait.');\n")
+ ->outdent()
+ ->write("}\n")
+ ->write(sprintf("\$_trait_%s_blocks = \$_trait_%s->getBlocks();\n\n", $i, $i))
+ ;
+
+ foreach ($trait->getNode('targets') as $key => $value) {
+ $compiler
+ ->write(sprintf("\$_trait_%s_blocks[", $i))
+ ->subcompile($value)
+ ->raw(sprintf("] = \$_trait_%s_blocks[", $i))
+ ->string($key)
+ ->raw(sprintf("]; unset(\$_trait_%s_blocks[", $i))
+ ->string($key)
+ ->raw("]);\n\n")
+ ;
+ }
+ }
+
+ $compiler
+ ->write("\$this->blocks = array_merge(\n")
+ ->indent()
+ ;
+
+ for ($i = 0; $i < $countTraits; $i++) {
+ $compiler
+ ->write(sprintf("\$_trait_%s_blocks,\n", $i))
+ ;
+ }
+
+ $compiler
+ ->write("array(\n")
+ ;
+ } else {
+ $compiler
+ ->write("\$this->blocks = array(\n")
+ ;
+ }
+
+ // blocks
+ $compiler
+ ->indent()
+ ;
+
+ foreach ($this->getNode('blocks') as $name => $node) {
+ $compiler
+ ->write(sprintf("'%s' => array(\$this, 'block_%s'),\n", $name, $name))
+ ;
+ }
+
+ if ($countTraits) {
+ $compiler
+ ->outdent()
+ ->write(")\n")
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write(");\n")
+ ->outdent()
+ ->write("}\n\n");
+ ;
+ }
+
+ protected function compileDisplayHeader(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("protected function doDisplay(array \$context, array \$blocks = array())\n", "{\n")
+ ->indent()
+ ;
+ }
+
+ protected function compileDisplayFooter(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileClassFooter(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ protected function compileMacros(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('macros'));
+ }
+
+ protected function compileGetTemplateName(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getTemplateName()\n", "{\n")
+ ->indent()
+ ->write('return ')
+ ->repr($this->getAttribute('filename'))
+ ->raw(";\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileIsTraitable(Twig_Compiler $compiler)
+ {
+ // A template can be used as a trait if:
+ // * it has no parent
+ // * it has no macros
+ // * it has no body
+ //
+ // Put another way, a template can be used as a trait if it
+ // only contains blocks and use statements.
+ $traitable = null === $this->getNode('parent') && 0 === count($this->getNode('macros'));
+ if ($traitable) {
+ if (!count($nodes = $this->getNode('body'))) {
+ $nodes = new Twig_Node(array($this->getNode('body')));
+ }
+
+ foreach ($nodes as $node) {
+ if ($node instanceof Twig_Node_Text && ctype_space($node->getAttribute('data'))) {
+ continue;
+ }
+
+ if ($node instanceof Twig_Node_BlockReference) {
+ continue;
+ }
+
+ $traitable = false;
+ break;
+ }
+ }
+
+ $compiler
+ ->write("public function isTraitable()\n", "{\n")
+ ->indent()
+ ->write(sprintf("return %s;\n", $traitable ? 'true' : 'false'))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ public function compileLoadTemplate(Twig_Compiler $compiler, $node, $var)
+ {
+ if ($node instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->write(sprintf("%s = \$this->env->loadTemplate(", $var))
+ ->subcompile($node)
+ ->raw(");\n")
+ ;
+ } else {
+ $compiler
+ ->write(sprintf("%s = ", $var))
+ ->subcompile($node)
+ ->raw(";\n")
+ ->write(sprintf("if (!%s", $var))
+ ->raw(" instanceof Twig_Template) {\n")
+ ->indent()
+ ->write(sprintf("%s = \$this->env->loadTemplate(%s);\n", $var, $var))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+ }
+}
diff --git a/inc/contrib/Twig/Node/Print.php b/inc/contrib/Twig/Node/Print.php
new file mode 100644
index 00000000..766725ff
--- /dev/null
+++ b/inc/contrib/Twig/Node/Print.php
@@ -0,0 +1,40 @@
+
+ */
+class Twig_Node_Print extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
+ {
+ parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo ')
+ ->subcompile($this->getNode('expr'))
+ ->raw(";\n")
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/Sandbox.php b/inc/contrib/Twig/Node/Sandbox.php
new file mode 100644
index 00000000..cbfcb411
--- /dev/null
+++ b/inc/contrib/Twig/Node/Sandbox.php
@@ -0,0 +1,48 @@
+
+ */
+class Twig_Node_Sandbox extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $body, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("\$sandbox = \$this->env->getExtension('sandbox');\n")
+ ->write("if (!\$alreadySandboxed = \$sandbox->isSandboxed()) {\n")
+ ->indent()
+ ->write("\$sandbox->enableSandbox();\n")
+ ->outdent()
+ ->write("}\n")
+ ->subcompile($this->getNode('body'))
+ ->write("if (!\$alreadySandboxed) {\n")
+ ->indent()
+ ->write("\$sandbox->disableSandbox();\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/SandboxedModule.php b/inc/contrib/Twig/Node/SandboxedModule.php
new file mode 100644
index 00000000..36d9f198
--- /dev/null
+++ b/inc/contrib/Twig/Node/SandboxedModule.php
@@ -0,0 +1,71 @@
+
+ */
+class Twig_Node_SandboxedModule extends Twig_Node_Module
+{
+ protected $usedFilters;
+ protected $usedTags;
+ protected $usedFunctions;
+
+ public function __construct(Twig_Node_Module $node, array $usedFilters, array $usedTags, array $usedFunctions)
+ {
+ parent::__construct($node->getNode('body'), $node->getNode('parent'), $node->getNode('blocks'), $node->getNode('macros'), $node->getNode('traits'), $node->getAttribute('filename'), $node->getLine(), $node->getNodeTag());
+
+ $this->usedFilters = $usedFilters;
+ $this->usedTags = $usedTags;
+ $this->usedFunctions = $usedFunctions;
+ }
+
+ protected function compileDisplayBody(Twig_Compiler $compiler)
+ {
+ if (null === $this->getNode('parent')) {
+ $compiler->write("\$this->checkSecurity();\n");
+ }
+
+ parent::compileDisplayBody($compiler);
+ }
+
+ protected function compileDisplayFooter(Twig_Compiler $compiler)
+ {
+ parent::compileDisplayFooter($compiler);
+
+ $compiler
+ ->write("protected function checkSecurity() {\n")
+ ->indent()
+ ->write("\$this->env->getExtension('sandbox')->checkSecurity(\n")
+ ->indent()
+ ->write(!$this->usedTags ? "array(),\n" : "array('".implode('\', \'', $this->usedTags)."'),\n")
+ ->write(!$this->usedFilters ? "array(),\n" : "array('".implode('\', \'', $this->usedFilters)."'),\n")
+ ->write(!$this->usedFunctions ? "array()\n" : "array('".implode('\', \'', $this->usedFunctions)."')\n")
+ ->outdent()
+ ->write(");\n")
+ ;
+
+ if (null !== $this->getNode('parent')) {
+ $compiler
+ ->raw("\n")
+ ->write("\$this->parent->checkSecurity();\n")
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/SandboxedPrint.php b/inc/contrib/Twig/Node/SandboxedPrint.php
new file mode 100644
index 00000000..77730d8c
--- /dev/null
+++ b/inc/contrib/Twig/Node/SandboxedPrint.php
@@ -0,0 +1,60 @@
+
+ */
+class Twig_Node_SandboxedPrint extends Twig_Node_Print
+{
+ public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
+ {
+ parent::__construct($expr, $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo $this->env->getExtension(\'sandbox\')->ensureToStringAllowed(')
+ ->subcompile($this->getNode('expr'))
+ ->raw(");\n")
+ ;
+ }
+
+ /**
+ * Removes node filters.
+ *
+ * This is mostly needed when another visitor adds filters (like the escaper one).
+ *
+ * @param Twig_Node $node A Node
+ */
+ protected function removeNodeFilter($node)
+ {
+ if ($node instanceof Twig_Node_Expression_Filter) {
+ return $this->removeNodeFilter($node->getNode('node'));
+ }
+
+ return $node;
+ }
+}
diff --git a/inc/contrib/Twig/Node/Set.php b/inc/contrib/Twig/Node/Set.php
new file mode 100644
index 00000000..9913664f
--- /dev/null
+++ b/inc/contrib/Twig/Node/Set.php
@@ -0,0 +1,102 @@
+
+ */
+class Twig_Node_Set extends Twig_Node
+{
+ public function __construct($capture, Twig_NodeInterface $names, Twig_NodeInterface $values, $lineno, $tag = null)
+ {
+ parent::__construct(array('names' => $names, 'values' => $values), array('capture' => $capture, 'safe' => false), $lineno, $tag);
+
+ /*
+ * Optimizes the node when capture is used for a large block of text.
+ *
+ * {% set foo %}foo{% endset %} is compiled to $context['foo'] = new Twig_Markup("foo");
+ */
+ if ($this->getAttribute('capture')) {
+ $this->setAttribute('safe', true);
+
+ $values = $this->getNode('values');
+ if ($values instanceof Twig_Node_Text) {
+ $this->setNode('values', new Twig_Node_Expression_Constant($values->getAttribute('data'), $values->getLine()));
+ $this->setAttribute('capture', false);
+ }
+ }
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+
+ if (count($this->getNode('names')) > 1) {
+ $compiler->write('list(');
+ foreach ($this->getNode('names') as $idx => $node) {
+ if ($idx) {
+ $compiler->raw(', ');
+ }
+
+ $compiler->subcompile($node);
+ }
+ $compiler->raw(')');
+ } else {
+ if ($this->getAttribute('capture')) {
+ $compiler
+ ->write("ob_start();\n")
+ ->subcompile($this->getNode('values'))
+ ;
+ }
+
+ $compiler->subcompile($this->getNode('names'), false);
+
+ if ($this->getAttribute('capture')) {
+ $compiler->raw(" = new Twig_Markup(ob_get_clean())");
+ }
+ }
+
+ if (!$this->getAttribute('capture')) {
+ $compiler->raw(' = ');
+
+ if (count($this->getNode('names')) > 1) {
+ $compiler->write('array(');
+ foreach ($this->getNode('values') as $idx => $value) {
+ if ($idx) {
+ $compiler->raw(', ');
+ }
+
+ $compiler->subcompile($value);
+ }
+ $compiler->raw(')');
+ } else {
+ if ($this->getAttribute('safe')) {
+ $compiler
+ ->raw("new Twig_Markup(")
+ ->subcompile($this->getNode('values'))
+ ->raw(")")
+ ;
+ } else {
+ $compiler->subcompile($this->getNode('values'));
+ }
+ }
+ }
+
+ $compiler->raw(";\n");
+ }
+}
diff --git a/inc/contrib/Twig/Node/Spaceless.php b/inc/contrib/Twig/Node/Spaceless.php
new file mode 100644
index 00000000..46013466
--- /dev/null
+++ b/inc/contrib/Twig/Node/Spaceless.php
@@ -0,0 +1,41 @@
+
+ */
+class Twig_Node_Spaceless extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $body, $lineno, $tag = 'spaceless')
+ {
+ parent::__construct(array('body' => $body), array(), $lineno, $tag);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("ob_start();\n")
+ ->subcompile($this->getNode('body'))
+ ->write("echo trim(preg_replace('/>\s+<', ob_get_clean()));\n")
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/Node/Text.php b/inc/contrib/Twig/Node/Text.php
new file mode 100644
index 00000000..0c1c0928
--- /dev/null
+++ b/inc/contrib/Twig/Node/Text.php
@@ -0,0 +1,40 @@
+
+ */
+class Twig_Node_Text extends Twig_Node implements Twig_NodeOutputInterface
+{
+ public function __construct($data, $lineno)
+ {
+ parent::__construct(array(), array('data' => $data), $lineno);
+ }
+
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write('echo ')
+ ->string($this->getAttribute('data'))
+ ->raw(";\n")
+ ;
+ }
+}
diff --git a/inc/contrib/Twig/NodeInterface.php b/inc/contrib/Twig/NodeInterface.php
new file mode 100644
index 00000000..165aed4d
--- /dev/null
+++ b/inc/contrib/Twig/NodeInterface.php
@@ -0,0 +1,30 @@
+
+ */
+interface Twig_NodeInterface
+{
+ /**
+ * Compiles the node to PHP.
+ *
+ * @param Twig_Compiler A Twig_Compiler instance
+ */
+ function compile(Twig_Compiler $compiler);
+
+ function getLine();
+
+ function getNodeTag();
+}
diff --git a/inc/contrib/Twig/NodeOutputInterface.php b/inc/contrib/Twig/NodeOutputInterface.php
new file mode 100644
index 00000000..71839569
--- /dev/null
+++ b/inc/contrib/Twig/NodeOutputInterface.php
@@ -0,0 +1,20 @@
+
+ */
+interface Twig_NodeOutputInterface
+{
+}
diff --git a/inc/contrib/Twig/NodeTraverser.php b/inc/contrib/Twig/NodeTraverser.php
new file mode 100644
index 00000000..1e82b032
--- /dev/null
+++ b/inc/contrib/Twig/NodeTraverser.php
@@ -0,0 +1,89 @@
+
+ */
+class Twig_NodeTraverser
+{
+ protected $env;
+ protected $visitors;
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ * @param array $visitors An array of Twig_NodeVisitorInterface instances
+ */
+ public function __construct(Twig_Environment $env, array $visitors = array())
+ {
+ $this->env = $env;
+ $this->visitors = array();
+ foreach ($visitors as $visitor) {
+ $this->addVisitor($visitor);
+ }
+ }
+
+ /**
+ * Adds a visitor.
+ *
+ * @param Twig_NodeVisitorInterface $visitor A Twig_NodeVisitorInterface instance
+ */
+ public function addVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ if (!isset($this->visitors[$visitor->getPriority()])) {
+ $this->visitors[$visitor->getPriority()] = array();
+ }
+
+ $this->visitors[$visitor->getPriority()][] = $visitor;
+ }
+
+ /**
+ * Traverses a node and calls the registered visitors.
+ *
+ * @param Twig_NodeInterface $node A Twig_NodeInterface instance
+ */
+ public function traverse(Twig_NodeInterface $node)
+ {
+ ksort($this->visitors);
+ foreach ($this->visitors as $visitors) {
+ foreach ($visitors as $visitor) {
+ $node = $this->traverseForVisitor($visitor, $node);
+ }
+ }
+
+ return $node;
+ }
+
+ protected function traverseForVisitor(Twig_NodeVisitorInterface $visitor, Twig_NodeInterface $node = null)
+ {
+ if (null === $node) {
+ return null;
+ }
+
+ $node = $visitor->enterNode($node, $this->env);
+
+ foreach ($node as $k => $n) {
+ if (false !== $n = $this->traverseForVisitor($visitor, $n)) {
+ $node->setNode($k, $n);
+ } else {
+ $node->removeNode($k);
+ }
+ }
+
+ return $visitor->leaveNode($node, $this->env);
+ }
+}
diff --git a/inc/contrib/Twig/NodeVisitor/Escaper.php b/inc/contrib/Twig/NodeVisitor/Escaper.php
new file mode 100644
index 00000000..049ce96a
--- /dev/null
+++ b/inc/contrib/Twig/NodeVisitor/Escaper.php
@@ -0,0 +1,161 @@
+
+ */
+class Twig_NodeVisitor_Escaper implements Twig_NodeVisitorInterface
+{
+ protected $statusStack = array();
+ protected $blocks = array();
+
+ protected $safeAnalysis;
+ protected $traverser;
+
+ function __construct()
+ {
+ $this->safeAnalysis = new Twig_NodeVisitor_SafeAnalysis();
+ }
+
+ /**
+ * Called before child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @param Twig_NodeInterface The modified node
+ */
+ public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_AutoEscape) {
+ $this->statusStack[] = $node->getAttribute('value');
+ } elseif ($node instanceof Twig_Node_Block) {
+ $this->statusStack[] = isset($this->blocks[$node->getAttribute('name')]) ? $this->blocks[$node->getAttribute('name')] : $this->needEscaping($env);
+ }
+
+ return $node;
+ }
+
+ /**
+ * Called after child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @param Twig_NodeInterface The modified node
+ */
+ public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Expression_Filter) {
+ return $this->preEscapeFilterNode($node, $env);
+ } elseif ($node instanceof Twig_Node_Print) {
+ return $this->escapePrintNode($node, $env, $this->needEscaping($env));
+ }
+
+ if ($node instanceof Twig_Node_AutoEscape || $node instanceof Twig_Node_Block) {
+ array_pop($this->statusStack);
+ } elseif ($node instanceof Twig_Node_BlockReference) {
+ $this->blocks[$node->getAttribute('name')] = $this->needEscaping($env);
+ }
+
+ return $node;
+ }
+
+ protected function escapePrintNode(Twig_Node_Print $node, Twig_Environment $env, $type)
+ {
+ if (false === $type) {
+ return $node;
+ }
+
+ $expression = $node->getNode('expr');
+
+ if ($this->isSafeFor($type, $expression, $env)) {
+ return $node;
+ }
+
+ $class = get_class($node);
+
+ return new $class(
+ $this->getEscaperFilter($type, $expression),
+ $node->getLine()
+ );
+ }
+
+ protected function preEscapeFilterNode(Twig_Node_Expression_Filter $filter, Twig_Environment $env)
+ {
+ $name = $filter->getNode('filter')->getAttribute('value');
+
+ if (false !== $f = $env->getFilter($name)) {
+ $type = $f->getPreEscape();
+ if (null === $type) {
+ return $filter;
+ }
+
+ $node = $filter->getNode('node');
+ if ($this->isSafeFor($type, $node, $env)) {
+ return $filter;
+ }
+
+ $filter->setNode('node', $this->getEscaperFilter($type, $node));
+
+ return $filter;
+ }
+
+ return $filter;
+ }
+
+ protected function isSafeFor($type, Twig_NodeInterface $expression, $env)
+ {
+ $safe = $this->safeAnalysis->getSafe($expression);
+
+ if (null === $safe) {
+ if (null === $this->traverser) {
+ $this->traverser = new Twig_NodeTraverser($env, array($this->safeAnalysis));
+ }
+ $this->traverser->traverse($expression);
+ $safe = $this->safeAnalysis->getSafe($expression);
+ }
+
+ return in_array($type, $safe) || in_array('all', $safe);
+ }
+
+ protected function needEscaping(Twig_Environment $env)
+ {
+ if (count($this->statusStack)) {
+ return $this->statusStack[count($this->statusStack) - 1];
+ }
+
+ if ($env->hasExtension('escaper') && $env->getExtension('escaper')->isGlobal()) {
+ return 'html';
+ }
+
+ return false;
+ }
+
+ protected function getEscaperFilter($type, Twig_NodeInterface $node)
+ {
+ $line = $node->getLine();
+ $name = new Twig_Node_Expression_Constant('escape', $line);
+ $args = new Twig_Node(array(new Twig_Node_Expression_Constant((string) $type, $line)));
+ return new Twig_Node_Expression_Filter($node, $name, $args, $line);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/inc/contrib/Twig/NodeVisitor/Optimizer.php b/inc/contrib/Twig/NodeVisitor/Optimizer.php
new file mode 100644
index 00000000..3679746e
--- /dev/null
+++ b/inc/contrib/Twig/NodeVisitor/Optimizer.php
@@ -0,0 +1,190 @@
+
+ */
+class Twig_NodeVisitor_Optimizer implements Twig_NodeVisitorInterface
+{
+ const OPTIMIZE_ALL = -1;
+ const OPTIMIZE_NONE = 0;
+ const OPTIMIZE_FOR = 2;
+ const OPTIMIZE_RAW_FILTER = 4;
+
+ protected $loops = array();
+ protected $optimizers;
+
+ /**
+ * Constructor.
+ *
+ * @param integer $optimizers The optimizer mode
+ */
+ public function __construct($optimizers = -1)
+ {
+ if (!is_int($optimizers) || $optimizers > 2) {
+ throw new InvalidArgumentException(sprintf('Optimizer mode "%s" is not valid.', $optimizers));
+ }
+
+ $this->optimizers = $optimizers;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
+ $this->enterOptimizeFor($node, $env);
+ }
+
+ return $node;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
+ $this->leaveOptimizeFor($node, $env);
+ }
+
+ if (self::OPTIMIZE_RAW_FILTER === (self::OPTIMIZE_RAW_FILTER & $this->optimizers)) {
+ $node = $this->optimizeRawFilter($node, $env);
+ }
+
+ $node = $this->optimizeRenderBlock($node, $env);
+
+ return $node;
+ }
+
+ /**
+ * Replaces "echo $this->renderBlock()" with "$this->displayBlock()".
+ *
+ * @param Twig_NodeInterface $node A Node
+ * @param Twig_Environment $env The current Twig environment
+ */
+ protected function optimizeRenderBlock($node, $env)
+ {
+ if ($node instanceof Twig_Node_Print && $node->getNode('expr') instanceof Twig_Node_Expression_BlockReference) {
+ $node->getNode('expr')->setAttribute('output', true);
+
+ return $node->getNode('expr');
+ }
+
+ return $node;
+ }
+
+ /**
+ * Removes "raw" filters.
+ *
+ * @param Twig_NodeInterface $node A Node
+ * @param Twig_Environment $env The current Twig environment
+ */
+ protected function optimizeRawFilter($node, $env)
+ {
+ if ($node instanceof Twig_Node_Expression_Filter && 'raw' == $node->getNode('filter')->getAttribute('value')) {
+ return $node->getNode('node');
+ }
+
+ return $node;
+ }
+
+ /**
+ * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
+ *
+ * @param Twig_NodeInterface $node A Node
+ * @param Twig_Environment $env The current Twig environment
+ */
+ protected function enterOptimizeFor($node, $env)
+ {
+ if ($node instanceof Twig_Node_For) {
+ // disable the loop variable by default
+ $node->setAttribute('with_loop', false);
+ array_unshift($this->loops, $node);
+ } elseif (!$this->loops) {
+ // we are outside a loop
+ return;
+ }
+
+ // when do we need to add the loop variable back?
+
+ // the loop variable is referenced for the current loop
+ elseif ($node instanceof Twig_Node_Expression_Name && 'loop' === $node->getAttribute('name')) {
+ $this->addLoopToCurrent();
+ }
+
+ // block reference
+ elseif ($node instanceof Twig_Node_BlockReference || $node instanceof Twig_Node_Expression_BlockReference) {
+ $this->addLoopToCurrent();
+ }
+
+ // include without the only attribute
+ elseif ($node instanceof Twig_Node_Include && !$node->getAttribute('only')) {
+ $this->addLoopToAll();
+ }
+
+ // the loop variable is referenced via an attribute
+ elseif ($node instanceof Twig_Node_Expression_GetAttr
+ && (!$node->getNode('attribute') instanceof Twig_Node_Expression_Constant
+ || 'parent' === $node->getNode('attribute')->getAttribute('value')
+ )
+ && (true === $this->loops[0]->getAttribute('with_loop')
+ || ($node->getNode('node') instanceof Twig_Node_Expression_Name
+ && 'loop' === $node->getNode('node')->getAttribute('name')
+ )
+ )
+ ) {
+ $this->addLoopToAll();
+ }
+ }
+
+ /**
+ * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
+ *
+ * @param Twig_NodeInterface $node A Node
+ * @param Twig_Environment $env The current Twig environment
+ */
+ protected function leaveOptimizeFor($node, $env)
+ {
+ if ($node instanceof Twig_Node_For) {
+ array_shift($this->loops);
+ }
+ }
+
+ protected function addLoopToCurrent()
+ {
+ $this->loops[0]->setAttribute('with_loop', true);
+ }
+
+ protected function addLoopToAll()
+ {
+ foreach ($this->loops as $loop) {
+ $loop->setAttribute('with_loop', true);
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPriority()
+ {
+ return 255;
+ }
+}
diff --git a/inc/contrib/Twig/NodeVisitor/SafeAnalysis.php b/inc/contrib/Twig/NodeVisitor/SafeAnalysis.php
new file mode 100644
index 00000000..5961ba29
--- /dev/null
+++ b/inc/contrib/Twig/NodeVisitor/SafeAnalysis.php
@@ -0,0 +1,107 @@
+data[$hash])) {
+ foreach($this->data[$hash] as $bucket) {
+ if ($bucket['key'] === $node) {
+ return $bucket['value'];
+ }
+ }
+ }
+ return null;
+ }
+
+ protected function setSafe(Twig_NodeInterface $node, array $safe)
+ {
+ $hash = spl_object_hash($node);
+ if (isset($this->data[$hash])) {
+ foreach($this->data[$hash] as &$bucket) {
+ if ($bucket['key'] === $node) {
+ $bucket['value'] = $safe;
+ return;
+ }
+ }
+ }
+ $this->data[$hash][] = array(
+ 'key' => $node,
+ 'value' => $safe,
+ );
+ }
+
+ public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ return $node;
+ }
+
+ public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Expression_Constant) {
+ // constants are marked safe for all
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_BlockReference) {
+ // blocks are safe by definition
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_Parent) {
+ // parent block is safe by definition
+ $this->setSafe($node, array('all'));
+ } elseif ($node instanceof Twig_Node_Expression_Conditional) {
+ // intersect safeness of both operands
+ $safe = $this->intersectSafe($this->getSafe($node->getNode('expr2')), $this->getSafe($node->getNode('expr3')));
+ $this->setSafe($node, $safe);
+ } elseif ($node instanceof Twig_Node_Expression_Filter) {
+ // filter expression is safe when the filter is safe
+ $name = $node->getNode('filter')->getAttribute('value');
+ $args = $node->getNode('arguments');
+ if (false !== $filter = $env->getFilter($name)) {
+ $this->setSafe($node, $filter->getSafe($args));
+ } else {
+ $this->setSafe($node, array());
+ }
+ } elseif ($node instanceof Twig_Node_Expression_Function) {
+ // function expression is safe when the function is safe
+ $name = $node->getAttribute('name');
+ $args = $node->getNode('arguments');
+ $function = $env->getFunction($name);
+ if (false !== $function) {
+ $this->setSafe($node, $function->getSafe($args));
+ } else {
+ $this->setSafe($node, array());
+ }
+ } else {
+ $this->setSafe($node, array());
+ }
+
+ return $node;
+ }
+
+ protected function intersectSafe(array $a = null, array $b = null)
+ {
+ if (null === $a || null === $b) {
+ return array();
+ }
+
+ if (in_array('all', $a)) {
+ return $b;
+ }
+
+ if (in_array('all', $b)) {
+ return $a;
+ }
+
+ return array_intersect($a, $b);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/inc/contrib/Twig/NodeVisitor/Sandbox.php b/inc/contrib/Twig/NodeVisitor/Sandbox.php
new file mode 100644
index 00000000..356b661f
--- /dev/null
+++ b/inc/contrib/Twig/NodeVisitor/Sandbox.php
@@ -0,0 +1,93 @@
+
+ */
+class Twig_NodeVisitor_Sandbox implements Twig_NodeVisitorInterface
+{
+ protected $inAModule = false;
+ protected $tags;
+ protected $filters;
+ protected $functions;
+
+ /**
+ * Called before child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @param Twig_NodeInterface The modified node
+ */
+ public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ $this->inAModule = true;
+ $this->tags = array();
+ $this->filters = array();
+ $this->functions = array();
+
+ return $node;
+ } elseif ($this->inAModule) {
+ // look for tags
+ if ($node->getNodeTag()) {
+ $this->tags[] = $node->getNodeTag();
+ }
+
+ // look for filters
+ if ($node instanceof Twig_Node_Expression_Filter) {
+ $this->filters[] = $node->getNode('filter')->getAttribute('value');
+ }
+
+ // look for functions
+ if ($node instanceof Twig_Node_Expression_Function) {
+ $this->functions[] = $node->getAttribute('name');
+ }
+
+ // wrap print to check __toString() calls
+ if ($node instanceof Twig_Node_Print) {
+ return new Twig_Node_SandboxedPrint($node->getNode('expr'), $node->getLine(), $node->getNodeTag());
+ }
+ }
+
+ return $node;
+ }
+
+ /**
+ * Called after child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @param Twig_NodeInterface The modified node
+ */
+ public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+ {
+ if ($node instanceof Twig_Node_Module) {
+ $this->inAModule = false;
+
+ return new Twig_Node_SandboxedModule($node, array_unique($this->filters), array_unique($this->tags), array_unique($this->functions));
+ }
+
+ return $node;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPriority()
+ {
+ return 0;
+ }
+}
diff --git a/inc/contrib/Twig/NodeVisitorInterface.php b/inc/contrib/Twig/NodeVisitorInterface.php
new file mode 100644
index 00000000..d44e510c
--- /dev/null
+++ b/inc/contrib/Twig/NodeVisitorInterface.php
@@ -0,0 +1,48 @@
+
+ */
+interface Twig_NodeVisitorInterface
+{
+ /**
+ * Called before child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @param Twig_NodeInterface The modified node
+ */
+ function enterNode(Twig_NodeInterface $node, Twig_Environment $env);
+
+ /**
+ * Called after child nodes are visited.
+ *
+ * @param Twig_NodeInterface $node The node to visit
+ * @param Twig_Environment $env The Twig environment instance
+ *
+ * @param Twig_NodeInterface The modified node
+ */
+ function leaveNode(Twig_NodeInterface $node, Twig_Environment $env);
+
+ /**
+ * Returns the priority for this visitor.
+ *
+ * Priority should be between -10 and 10 (0 is the default).
+ *
+ * @return integer The priority level
+ */
+ function getPriority();
+}
diff --git a/inc/contrib/Twig/Parser.php b/inc/contrib/Twig/Parser.php
new file mode 100644
index 00000000..8c982887
--- /dev/null
+++ b/inc/contrib/Twig/Parser.php
@@ -0,0 +1,334 @@
+
+ */
+class Twig_Parser implements Twig_ParserInterface
+{
+ protected $stream;
+ protected $parent;
+ protected $handlers;
+ protected $visitors;
+ protected $expressionParser;
+ protected $blocks;
+ protected $blockStack;
+ protected $macros;
+ protected $env;
+ protected $reservedMacroNames;
+ protected $importedFunctions;
+ protected $tmpVarCount;
+ protected $traits;
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ */
+ public function __construct(Twig_Environment $env)
+ {
+ $this->env = $env;
+ }
+
+ public function getVarName()
+ {
+ return sprintf('__internal_%s_%d', substr($this->env->getTemplateClass($this->stream->getFilename()), strlen($this->env->getTemplateClassPrefix())), ++$this->tmpVarCount);
+ }
+
+ /**
+ * Converts a token stream to a node tree.
+ *
+ * @param Twig_TokenStream $stream A token stream instance
+ *
+ * @return Twig_Node_Module A node tree
+ */
+ public function parse(Twig_TokenStream $stream)
+ {
+ $this->tmpVarCount = 0;
+
+ // tag handlers
+ $this->handlers = $this->env->getTokenParsers();
+ $this->handlers->setParser($this);
+
+ // node visitors
+ $this->visitors = $this->env->getNodeVisitors();
+
+ if (null === $this->expressionParser) {
+ $this->expressionParser = new Twig_ExpressionParser($this, $this->env->getUnaryOperators(), $this->env->getBinaryOperators());
+ }
+
+ $this->stream = $stream;
+ $this->parent = null;
+ $this->blocks = array();
+ $this->macros = array();
+ $this->traits = array();
+ $this->blockStack = array();
+ $this->importedFunctions = array(array());
+
+ try {
+ $body = $this->subparse(null);
+
+ if (null !== $this->parent) {
+ if (null === $body = $this->filterBodyNodes($body)) {
+ $body = new Twig_Node();
+ }
+ }
+ } catch (Twig_Error_Syntax $e) {
+ if (null === $e->getTemplateFile()) {
+ $e->setTemplateFile($this->stream->getFilename());
+ }
+
+ throw $e;
+ }
+
+ $node = new Twig_Node_Module($body, $this->parent, new Twig_Node($this->blocks), new Twig_Node($this->macros), new Twig_Node($this->traits), $this->stream->getFilename());
+
+ $traverser = new Twig_NodeTraverser($this->env, $this->visitors);
+
+ return $traverser->traverse($node);
+ }
+
+ public function subparse($test, $dropNeedle = false)
+ {
+ $lineno = $this->getCurrentToken()->getLine();
+ $rv = array();
+ while (!$this->stream->isEOF()) {
+ switch ($this->getCurrentToken()->getType()) {
+ case Twig_Token::TEXT_TYPE:
+ $token = $this->stream->next();
+ $rv[] = new Twig_Node_Text($token->getValue(), $token->getLine());
+ break;
+
+ case Twig_Token::VAR_START_TYPE:
+ $token = $this->stream->next();
+ $expr = $this->expressionParser->parseExpression();
+ $this->stream->expect(Twig_Token::VAR_END_TYPE);
+ $rv[] = new Twig_Node_Print($expr, $token->getLine());
+ break;
+
+ case Twig_Token::BLOCK_START_TYPE:
+ $this->stream->next();
+ $token = $this->getCurrentToken();
+
+ if ($token->getType() !== Twig_Token::NAME_TYPE) {
+ throw new Twig_Error_Syntax('A block must start with a tag name', $token->getLine(), $this->stream->getFilename());
+ }
+
+ if (null !== $test && call_user_func($test, $token)) {
+ if ($dropNeedle) {
+ $this->stream->next();
+ }
+
+ if (1 === count($rv)) {
+ return $rv[0];
+ }
+
+ return new Twig_Node($rv, array(), $lineno);
+ }
+
+ $subparser = $this->handlers->getTokenParser($token->getValue());
+ if (null === $subparser) {
+ if (null !== $test) {
+ throw new Twig_Error_Syntax(sprintf('Unexpected tag name "%s" (expecting closing tag for the "%s" tag defined near line %s)', $token->getValue(), $test[0]->getTag(), $lineno), $token->getLine(), $this->stream->getFilename());
+ }
+
+ throw new Twig_Error_Syntax(sprintf('Unknown tag name "%s"', $token->getValue()), $token->getLine(), $this->stream->getFilename());
+ }
+
+ $this->stream->next();
+
+ $node = $subparser->parse($token);
+ if (null !== $node) {
+ $rv[] = $node;
+ }
+ break;
+
+ default:
+ throw new Twig_Error_Syntax('Lexer or parser ended up in unsupported state.', -1, $this->stream->getFilename());
+ }
+ }
+
+ if (1 === count($rv)) {
+ return $rv[0];
+ }
+
+ return new Twig_Node($rv, array(), $lineno);
+ }
+
+ public function addHandler($name, $class)
+ {
+ $this->handlers[$name] = $class;
+ }
+
+ public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
+ {
+ $this->visitors[] = $visitor;
+ }
+
+ public function getBlockStack()
+ {
+ return $this->blockStack;
+ }
+
+ public function peekBlockStack()
+ {
+ return $this->blockStack[count($this->blockStack) - 1];
+ }
+
+ public function popBlockStack()
+ {
+ array_pop($this->blockStack);
+ }
+
+ public function pushBlockStack($name)
+ {
+ $this->blockStack[] = $name;
+ }
+
+ public function hasBlock($name)
+ {
+ return isset($this->blocks[$name]);
+ }
+
+ public function setBlock($name, $value)
+ {
+ $this->blocks[$name] = $value;
+ }
+
+ public function hasMacro($name)
+ {
+ return isset($this->macros[$name]);
+ }
+
+ public function setMacro($name, Twig_Node_Macro $node)
+ {
+ if (null === $this->reservedMacroNames) {
+ $this->reservedMacroNames = array();
+ $r = new ReflectionClass($this->env->getBaseTemplateClass());
+ foreach ($r->getMethods() as $method) {
+ $this->reservedMacroNames[] = $method->getName();
+ }
+ }
+
+ if (in_array($name, $this->reservedMacroNames)) {
+ throw new Twig_Error_Syntax(sprintf('"%s" cannot be used as a macro name as it is a reserved keyword', $name), $node->getLine());
+ }
+
+ $this->macros[$name] = $node;
+ }
+
+ public function addTrait($trait)
+ {
+ $this->traits[] = $trait;
+ }
+
+ public function addImportedFunction($alias, $name, Twig_Node_Expression $node)
+ {
+ $this->importedFunctions[0][$alias] = array('name' => $name, 'node' => $node);
+ }
+
+ public function getImportedFunction($alias)
+ {
+ foreach ($this->importedFunctions as $functions) {
+ if (isset($functions[$alias])) {
+ return $functions[$alias];
+ }
+ }
+ }
+
+ public function isMainScope()
+ {
+ return 1 === count($this->importedFunctions);
+ }
+
+ public function pushLocalScope()
+ {
+ array_unshift($this->importedFunctions, array());
+ }
+
+ public function popLocalScope()
+ {
+ array_shift($this->importedFunctions);
+ }
+
+ /**
+ * Gets the expression parser.
+ *
+ * @return Twig_ExpressionParser The expression parser
+ */
+ public function getExpressionParser()
+ {
+ return $this->expressionParser;
+ }
+
+ public function getParent()
+ {
+ return $this->parent;
+ }
+
+ public function setParent($parent)
+ {
+ $this->parent = $parent;
+ }
+
+ /**
+ * Gets the token stream.
+ *
+ * @return Twig_TokenStream The token stream
+ */
+ public function getStream()
+ {
+ return $this->stream;
+ }
+
+ /**
+ * Gets the current token.
+ *
+ * @return Twig_Token The current token
+ */
+ public function getCurrentToken()
+ {
+ return $this->stream->getCurrent();
+ }
+
+ protected function filterBodyNodes(Twig_NodeInterface $node)
+ {
+ // check that the body does not contain non-empty output nodes
+ if (
+ ($node instanceof Twig_Node_Text && !ctype_space($node->getAttribute('data')))
+ ||
+ (!$node instanceof Twig_Node_Text && !$node instanceof Twig_Node_BlockReference && $node instanceof Twig_NodeOutputInterface)
+ ) {
+ throw new Twig_Error_Syntax('A template that extends another one cannot have a body.', $node->getLine(), $this->stream->getFilename());
+ }
+
+ // bypass "set" nodes as they "capture" the output
+ if ($node instanceof Twig_Node_Set) {
+ return $node;
+ }
+
+ if ($node instanceof Twig_NodeOutputInterface) {
+ return;
+ }
+
+ foreach ($node as $k => $n) {
+ if (null !== $n && null === $n = $this->filterBodyNodes($n)) {
+ $node->removeNode($k);
+ }
+ }
+
+ return $node;
+ }
+}
diff --git a/inc/contrib/Twig/ParserInterface.php b/inc/contrib/Twig/ParserInterface.php
new file mode 100644
index 00000000..c7a34418
--- /dev/null
+++ b/inc/contrib/Twig/ParserInterface.php
@@ -0,0 +1,28 @@
+
+ */
+interface Twig_ParserInterface
+{
+ /**
+ * Converts a token stream to a node tree.
+ *
+ * @param Twig_TokenStream $stream A token stream instance
+ *
+ * @return Twig_Node_Module A node tree
+ */
+ function parse(Twig_TokenStream $code);
+}
diff --git a/inc/contrib/Twig/Sandbox/SecurityError.php b/inc/contrib/Twig/Sandbox/SecurityError.php
new file mode 100644
index 00000000..debabb79
--- /dev/null
+++ b/inc/contrib/Twig/Sandbox/SecurityError.php
@@ -0,0 +1,20 @@
+
+ */
+class Twig_Sandbox_SecurityError extends Twig_Error
+{
+}
diff --git a/inc/contrib/Twig/Sandbox/SecurityPolicy.php b/inc/contrib/Twig/Sandbox/SecurityPolicy.php
new file mode 100644
index 00000000..ba912ef4
--- /dev/null
+++ b/inc/contrib/Twig/Sandbox/SecurityPolicy.php
@@ -0,0 +1,120 @@
+
+ */
+class Twig_Sandbox_SecurityPolicy implements Twig_Sandbox_SecurityPolicyInterface
+{
+ protected $allowedTags;
+ protected $allowedFilters;
+ protected $allowedMethods;
+ protected $allowedProperties;
+ protected $allowedFunctions;
+
+ public function __construct(array $allowedTags = array(), array $allowedFilters = array(), array $allowedMethods = array(), array $allowedProperties = array(), array $allowedFunctions = array())
+ {
+ $this->allowedTags = $allowedTags;
+ $this->allowedFilters = $allowedFilters;
+ $this->setAllowedMethods($allowedMethods);
+ $this->allowedProperties = $allowedProperties;
+ $this->allowedFunctions = $allowedFunctions;
+ }
+
+ public function setAllowedTags(array $tags)
+ {
+ $this->allowedTags = $tags;
+ }
+
+ public function setAllowedFilters(array $filters)
+ {
+ $this->allowedFilters = $filters;
+ }
+
+ public function setAllowedMethods(array $methods)
+ {
+ $this->allowedMethods = array();
+ foreach ($methods as $class => $m) {
+ $this->allowedMethods[$class] = array_map('strtolower', is_array($m) ? $m : array($m));
+ }
+ }
+
+ public function setAllowedProperties(array $properties)
+ {
+ $this->allowedProperties = $properties;
+ }
+
+ public function setAllowedFunctions(array $functions)
+ {
+ $this->allowedFunctions = $functions;
+ }
+
+ public function checkSecurity($tags, $filters, $functions)
+ {
+ foreach ($tags as $tag) {
+ if (!in_array($tag, $this->allowedTags)) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Tag "%s" is not allowed.', $tag));
+ }
+ }
+
+ foreach ($filters as $filter) {
+ if (!in_array($filter, $this->allowedFilters)) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Filter "%s" is not allowed.', $filter));
+ }
+ }
+
+ foreach ($functions as $function) {
+ if (!in_array($function, $this->allowedFunctions)) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Function "%s" is not allowed.', $function));
+ }
+ }
+ }
+
+ public function checkMethodAllowed($obj, $method)
+ {
+ if ($obj instanceof Twig_TemplateInterface || $obj instanceof Twig_Markup) {
+ return true;
+ }
+
+ $allowed = false;
+ $method = strtolower($method);
+ foreach ($this->allowedMethods as $class => $methods) {
+ if ($obj instanceof $class) {
+ $allowed = in_array($method, $methods);
+
+ break;
+ }
+ }
+
+ if (!$allowed) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Calling "%s" method on a "%s" object is not allowed.', $method, get_class($obj)));
+ }
+ }
+
+ public function checkPropertyAllowed($obj, $property)
+ {
+ $allowed = false;
+ foreach ($this->allowedProperties as $class => $properties) {
+ if ($obj instanceof $class) {
+ $allowed = in_array($property, is_array($properties) ? $properties : array($properties));
+
+ break;
+ }
+ }
+
+ if (!$allowed) {
+ throw new Twig_Sandbox_SecurityError(sprintf('Calling "%s" property on a "%s" object is not allowed.', $property, get_class($obj)));
+ }
+ }
+}
diff --git a/inc/contrib/Twig/Sandbox/SecurityPolicyInterface.php b/inc/contrib/Twig/Sandbox/SecurityPolicyInterface.php
new file mode 100644
index 00000000..d5015aff
--- /dev/null
+++ b/inc/contrib/Twig/Sandbox/SecurityPolicyInterface.php
@@ -0,0 +1,25 @@
+
+ */
+interface Twig_Sandbox_SecurityPolicyInterface
+{
+ function checkSecurity($tags, $filters, $functions);
+
+ function checkMethodAllowed($obj, $method);
+
+ function checkPropertyAllowed($obj, $method);
+}
diff --git a/inc/contrib/Twig/Template.php b/inc/contrib/Twig/Template.php
new file mode 100644
index 00000000..a129fd73
--- /dev/null
+++ b/inc/contrib/Twig/Template.php
@@ -0,0 +1,374 @@
+
+ */
+abstract class Twig_Template implements Twig_TemplateInterface
+{
+ static protected $cache = array();
+
+ protected $parents;
+ protected $env;
+ protected $blocks;
+
+ /**
+ * Constructor.
+ *
+ * @param Twig_Environment $env A Twig_Environment instance
+ */
+ public function __construct(Twig_Environment $env)
+ {
+ $this->env = $env;
+ $this->blocks = array();
+ }
+
+ /**
+ * Returns the template name.
+ *
+ * @return string The template name
+ */
+ abstract public function getTemplateName();
+
+ /**
+ * Returns the Twig environment.
+ *
+ * @return Twig_Environment The Twig environment
+ */
+ public function getEnvironment()
+ {
+ return $this->env;
+ }
+
+ /**
+ * Returns the parent template.
+ *
+ * @return Twig_TemplateInterface|false The parent template or false if there is no parent
+ */
+ public function getParent(array $context)
+ {
+ $parent = $this->doGetParent($context);
+ if (false === $parent) {
+ return false;
+ } elseif ($parent instanceof Twig_Template) {
+ $name = $parent->getTemplateName();
+ $this->parents[$name] = $parent;
+ $parent = $name;
+ } elseif (!isset($this->parents[$parent])) {
+ $this->parents[$parent] = $this->env->loadTemplate($parent);
+ }
+
+ return $this->parents[$parent];
+ }
+
+ abstract protected function doGetParent(array $context);
+
+ /**
+ * Displays a parent block.
+ *
+ * @param string $name The block name to display from the parent
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ */
+ public function displayParentBlock($name, array $context, array $blocks = array())
+ {
+ if (false !== $parent = $this->getParent($context)) {
+ $parent->displayBlock($name, $context, $blocks);
+ } else {
+ throw new Twig_Error_Runtime('This template has no parent', -1, $this->getTemplateName());
+ }
+ }
+
+ /**
+ * Displays a block.
+ *
+ * @param string $name The block name to display
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ */
+ public function displayBlock($name, array $context, array $blocks = array())
+ {
+ if (isset($blocks[$name])) {
+ $b = $blocks;
+ unset($b[$name]);
+ call_user_func($blocks[$name], $context, $b);
+ } elseif (isset($this->blocks[$name])) {
+ call_user_func($this->blocks[$name], $context, $blocks);
+ } elseif (false !== $parent = $this->getParent($context)) {
+ $parent->displayBlock($name, $context, array_merge($this->blocks, $blocks));
+ }
+ }
+
+ /**
+ * Renders a parent block.
+ *
+ * @param string $name The block name to render from the parent
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ *
+ * @return string The rendered block
+ */
+ public function renderParentBlock($name, array $context, array $blocks = array())
+ {
+ ob_start();
+ $this->displayParentBlock($name, $context, $blocks);
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Renders a block.
+ *
+ * @param string $name The block name to render
+ * @param array $context The context
+ * @param array $blocks The current set of blocks
+ *
+ * @return string The rendered block
+ */
+ public function renderBlock($name, array $context, array $blocks = array())
+ {
+ ob_start();
+ $this->displayBlock($name, $context, $blocks);
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Returns whether a block exists or not.
+ *
+ * @param string $name The block name
+ *
+ * @return Boolean true if the block exists, false otherwise
+ */
+ public function hasBlock($name)
+ {
+ return isset($this->blocks[$name]);
+ }
+
+ /**
+ * Returns all block names.
+ *
+ * @return array An array of block names
+ */
+ public function getBlockNames()
+ {
+ return array_keys($this->blocks);
+ }
+
+ /**
+ * Returns all blocks.
+ *
+ * @return array An array of blocks
+ */
+ public function getBlocks()
+ {
+ return $this->blocks;
+ }
+
+ /**
+ * Displays the template with the given context.
+ *
+ * @param array $context An array of parameters to pass to the template
+ * @param array $blocks An array of blocks to pass to the template
+ */
+ public function display(array $context, array $blocks = array())
+ {
+ try {
+ $this->doDisplay($context, $blocks);
+ } catch (Twig_Error $e) {
+ throw $e;
+ } catch (Exception $e) {
+ throw new Twig_Error_Runtime(sprintf('An exception has been thrown during the rendering of a template ("%s").', $e->getMessage()), -1, null, $e);
+ }
+ }
+
+ /**
+ * Renders the template with the given context and returns it as string.
+ *
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return string The rendered template
+ */
+ public function render(array $context)
+ {
+ $level = ob_get_level();
+ ob_start();
+ try {
+ $this->display($context);
+ } catch (Exception $e) {
+ while (ob_get_level() > $level) {
+ ob_end_clean();
+ }
+
+ throw $e;
+ }
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Auto-generated method to display the template with the given context.
+ *
+ * @param array $context An array of parameters to pass to the template
+ * @param array $blocks An array of blocks to pass to the template
+ */
+ abstract protected function doDisplay(array $context, array $blocks = array());
+
+ /**
+ * Returns a variable from the context.
+ *
+ * @param array $context The context
+ * @param string $item The variable to return from the context
+ *
+ * @return The content of the context variable
+ *
+ * @throws Twig_Error_Runtime if the variable does not exist and Twig is running in strict mode
+ */
+ protected function getContext($context, $item)
+ {
+ if (!array_key_exists($item, $context)) {
+ if (!$this->env->isStrictVariables()) {
+ return null;
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Variable "%s" does not exist', $item));
+ }
+
+ return $context[$item];
+ }
+
+ /**
+ * Returns the attribute value for a given array/object.
+ *
+ * @param mixed $object The object or array from where to get the item
+ * @param mixed $item The item to get from the array or object
+ * @param array $arguments An array of arguments to pass if the item is an object method
+ * @param string $type The type of attribute (@see Twig_TemplateInterface)
+ * @param Boolean $isDefinedTest Whether this is only a defined check
+ */
+ protected function getAttribute($object, $item, array $arguments = array(), $type = Twig_TemplateInterface::ANY_CALL, $isDefinedTest = false)
+ {
+ // array
+ if (Twig_TemplateInterface::METHOD_CALL !== $type) {
+ if ((is_array($object) && array_key_exists($item, $object))
+ || ($object instanceof ArrayAccess && isset($object[$item]))
+ ) {
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ return $object[$item];
+ }
+
+ if (Twig_TemplateInterface::ARRAY_CALL === $type) {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if (!$this->env->isStrictVariables()) {
+ return null;
+ }
+
+ if (is_object($object)) {
+ throw new Twig_Error_Runtime(sprintf('Key "%s" in object (with ArrayAccess) of type "%s" does not exist', $item, get_class($object)));
+ // array
+ } else {
+ throw new Twig_Error_Runtime(sprintf('Key "%s" for array with keys "%s" does not exist', $item, implode(', ', array_keys($object))));
+ }
+ }
+ }
+
+ if (!is_object($object)) {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if (!$this->env->isStrictVariables()) {
+ return null;
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Item "%s" for "%s" does not exist', $item, $object));
+ }
+
+ // get some information about the object
+ $class = get_class($object);
+ if (!isset(self::$cache[$class])) {
+ $r = new ReflectionClass($class);
+ self::$cache[$class] = array('methods' => array(), 'properties' => array());
+ foreach ($r->getMethods(ReflectionMethod::IS_PUBLIC) as $method) {
+ self::$cache[$class]['methods'][strtolower($method->getName())] = true;
+ }
+
+ foreach ($r->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
+ self::$cache[$class]['properties'][$property->getName()] = true;
+ }
+ }
+
+ // object property
+ if (Twig_TemplateInterface::METHOD_CALL !== $type) {
+ if (isset(self::$cache[$class]['properties'][$item])
+ || isset($object->$item) || array_key_exists($item, $object)
+ ) {
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ if ($this->env->hasExtension('sandbox')) {
+ $this->env->getExtension('sandbox')->checkPropertyAllowed($object, $item);
+ }
+
+ return $object->$item;
+ }
+ }
+
+ // object method
+ $lcItem = strtolower($item);
+ if (isset(self::$cache[$class]['methods'][$lcItem])) {
+ $method = $item;
+ } elseif (isset(self::$cache[$class]['methods']['get'.$lcItem])) {
+ $method = 'get'.$item;
+ } elseif (isset(self::$cache[$class]['methods']['is'.$lcItem])) {
+ $method = 'is'.$item;
+ } elseif (isset(self::$cache[$class]['methods']['__call'])) {
+ $method = $item;
+ } else {
+ if ($isDefinedTest) {
+ return false;
+ }
+
+ if (!$this->env->isStrictVariables()) {
+ return null;
+ }
+
+ throw new Twig_Error_Runtime(sprintf('Method "%s" for object "%s" does not exist', $item, get_class($object)));
+ }
+
+ if ($isDefinedTest) {
+ return true;
+ }
+
+ if ($this->env->hasExtension('sandbox')) {
+ $this->env->getExtension('sandbox')->checkMethodAllowed($object, $method);
+ }
+
+ $ret = call_user_func_array(array($object, $method), $arguments);
+
+ if ($object instanceof Twig_TemplateInterface) {
+ return new Twig_Markup($ret);
+ }
+
+ return $ret;
+ }
+}
diff --git a/inc/contrib/Twig/TemplateInterface.php b/inc/contrib/Twig/TemplateInterface.php
new file mode 100644
index 00000000..08da1163
--- /dev/null
+++ b/inc/contrib/Twig/TemplateInterface.php
@@ -0,0 +1,47 @@
+
+ */
+interface Twig_TemplateInterface
+{
+ const ANY_CALL = 'any';
+ const ARRAY_CALL = 'array';
+ const METHOD_CALL = 'method';
+
+ /**
+ * Renders the template with the given context and returns it as string.
+ *
+ * @param array $context An array of parameters to pass to the template
+ *
+ * @return string The rendered template
+ */
+ function render(array $context);
+
+ /**
+ * Displays the template with the given context.
+ *
+ * @param array $context An array of parameters to pass to the template
+ * @param array $blocks An array of blocks to pass to the template
+ */
+ function display(array $context, array $blocks = array());
+
+ /**
+ * Returns the bound environment for this template.
+ *
+ * @return Twig_Environment The current environment
+ */
+ function getEnvironment();
+}
diff --git a/inc/contrib/Twig/Test/Function.php b/inc/contrib/Twig/Test/Function.php
new file mode 100644
index 00000000..1240a0f1
--- /dev/null
+++ b/inc/contrib/Twig/Test/Function.php
@@ -0,0 +1,31 @@
+
+ */
+class Twig_Test_Function implements Twig_TestInterface
+{
+ protected $function;
+
+ public function __construct($function)
+ {
+ $this->function = $function;
+ }
+
+ public function compile()
+ {
+ return $this->function;
+ }
+}
diff --git a/inc/contrib/Twig/Test/Method.php b/inc/contrib/Twig/Test/Method.php
new file mode 100644
index 00000000..a3b39483
--- /dev/null
+++ b/inc/contrib/Twig/Test/Method.php
@@ -0,0 +1,32 @@
+
+ */
+class Twig_Test_Method implements Twig_TestInterface
+{
+ protected $extension, $method;
+
+ public function __construct(Twig_ExtensionInterface $extension, $method)
+ {
+ $this->extension = $extension;
+ $this->method = $method;
+ }
+
+ public function compile()
+ {
+ return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);
+ }
+}
diff --git a/inc/contrib/Twig/TestInterface.php b/inc/contrib/Twig/TestInterface.php
new file mode 100644
index 00000000..c2ff7258
--- /dev/null
+++ b/inc/contrib/Twig/TestInterface.php
@@ -0,0 +1,26 @@
+
+ */
+interface Twig_TestInterface
+{
+ /**
+ * Compiles a test.
+ *
+ * @return string The PHP code for the test
+ */
+ function compile();
+}
diff --git a/inc/contrib/Twig/Token.php b/inc/contrib/Twig/Token.php
new file mode 100644
index 00000000..79a10030
--- /dev/null
+++ b/inc/contrib/Twig/Token.php
@@ -0,0 +1,206 @@
+
+ */
+class Twig_Token
+{
+ protected $value;
+ protected $type;
+ protected $lineno;
+
+ const EOF_TYPE = -1;
+ const TEXT_TYPE = 0;
+ const BLOCK_START_TYPE = 1;
+ const VAR_START_TYPE = 2;
+ const BLOCK_END_TYPE = 3;
+ const VAR_END_TYPE = 4;
+ const NAME_TYPE = 5;
+ const NUMBER_TYPE = 6;
+ const STRING_TYPE = 7;
+ const OPERATOR_TYPE = 8;
+ const PUNCTUATION_TYPE = 9;
+
+ /**
+ * Constructor.
+ *
+ * @param integer $type The type of the token
+ * @param string $value The token value
+ * @param integer $lineno The line position in the source
+ */
+ public function __construct($type, $value, $lineno)
+ {
+ $this->type = $type;
+ $this->value = $value;
+ $this->lineno = $lineno;
+ }
+
+ /**
+ * Returns a string representation of the token.
+ *
+ * @return string A string representation of the token
+ */
+ public function __toString()
+ {
+ return sprintf('%s(%s)', self::typeToString($this->type, true, $this->lineno), $this->value);
+ }
+
+ /**
+ * Tests the current token for a type and/or a value.
+ *
+ * Parameters may be:
+ * * just type
+ * * type and value (or array of possible values)
+ * * just value (or array of possible values) (NAME_TYPE is used as type)
+ *
+ * @param array|integer $type The type to test
+ * @param array|string|null $values The token value
+ *
+ * @return Boolean
+ */
+ public function test($type, $values = null)
+ {
+ if (null === $values && !is_int($type)) {
+ $values = $type;
+ $type = self::NAME_TYPE;
+ }
+
+ return ($this->type === $type) && (
+ null === $values ||
+ (is_array($values) && in_array($this->value, $values)) ||
+ $this->value == $values
+ );
+ }
+
+ /**
+ * Gets the line.
+ *
+ * @return integer The source line
+ */
+ public function getLine()
+ {
+ return $this->lineno;
+ }
+
+ /**
+ * Gets the token type.
+ *
+ * @return integer The token type
+ */
+ public function getType()
+ {
+ return $this->type;
+ }
+
+ /**
+ * Gets the token value.
+ *
+ * @return string The token value
+ */
+ public function getValue()
+ {
+ return $this->value;
+ }
+
+ /**
+ * Returns the constant representation (internal) of a given type.
+ *
+ * @param integer $type The type as an integer
+ * @param Boolean $short Whether to return a short representation or not
+ *
+ * @return string The string representation
+ */
+ static public function typeToString($type, $short = false, $line = -1)
+ {
+ switch ($type) {
+ case self::EOF_TYPE:
+ $name = 'EOF_TYPE';
+ break;
+ case self::TEXT_TYPE:
+ $name = 'TEXT_TYPE';
+ break;
+ case self::BLOCK_START_TYPE:
+ $name = 'BLOCK_START_TYPE';
+ break;
+ case self::VAR_START_TYPE:
+ $name = 'VAR_START_TYPE';
+ break;
+ case self::BLOCK_END_TYPE:
+ $name = 'BLOCK_END_TYPE';
+ break;
+ case self::VAR_END_TYPE:
+ $name = 'VAR_END_TYPE';
+ break;
+ case self::NAME_TYPE:
+ $name = 'NAME_TYPE';
+ break;
+ case self::NUMBER_TYPE:
+ $name = 'NUMBER_TYPE';
+ break;
+ case self::STRING_TYPE:
+ $name = 'STRING_TYPE';
+ break;
+ case self::OPERATOR_TYPE:
+ $name = 'OPERATOR_TYPE';
+ break;
+ case self::PUNCTUATION_TYPE:
+ $name = 'PUNCTUATION_TYPE';
+ break;
+ default:
+ throw new Twig_Error_Syntax(sprintf('Token of type "%s" does not exist.', $type), $line);
+ }
+
+ return $short ? $name : 'Twig_Token::'.$name;
+ }
+
+ /**
+ * Returns the english representation of a given type.
+ *
+ * @param integer $type The type as an integer
+ * @param Boolean $short Whether to return a short representation or not
+ *
+ * @return string The string representation
+ */
+ static public function typeToEnglish($type, $line = -1)
+ {
+ switch ($type) {
+ case self::EOF_TYPE:
+ return 'end of template';
+ case self::TEXT_TYPE:
+ return 'text';
+ case self::BLOCK_START_TYPE:
+ return 'begin of statement block';
+ case self::VAR_START_TYPE:
+ return 'begin of print statement';
+ case self::BLOCK_END_TYPE:
+ return 'end of statement block';
+ case self::VAR_END_TYPE:
+ return 'end of print statement';
+ case self::NAME_TYPE:
+ return 'name';
+ case self::NUMBER_TYPE:
+ return 'number';
+ case self::STRING_TYPE:
+ return 'string';
+ case self::OPERATOR_TYPE:
+ return 'operator';
+ case self::PUNCTUATION_TYPE:
+ return 'punctuation';
+ default:
+ throw new Twig_Error_Syntax(sprintf('Token of type "%s" does not exist.', $type), $line);
+ }
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser.php b/inc/contrib/Twig/TokenParser.php
new file mode 100644
index 00000000..6c9e6935
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser.php
@@ -0,0 +1,31 @@
+
+ */
+abstract class Twig_TokenParser implements Twig_TokenParserInterface
+{
+ protected $parser;
+
+ /**
+ * Sets the parser associated with this token parser
+ *
+ * @param $parser A Twig_Parser instance
+ */
+ public function setParser(Twig_Parser $parser)
+ {
+ $this->parser = $parser;
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/AutoEscape.php b/inc/contrib/Twig/TokenParser/AutoEscape.php
new file mode 100644
index 00000000..3b4b96e3
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/AutoEscape.php
@@ -0,0 +1,77 @@
+
+ * {% autoescape true %}
+ * Everything will be automatically escaped in this block
+ * {% endautoescape %}
+ *
+ * {% autoescape false %}
+ * Everything will be outputed as is in this block
+ * {% endautoescape %}
+ *
+ * {% autoescape true js %}
+ * Everything will be automatically escaped in this block
+ * using the js escaping strategy
+ * {% endautoescape %}
+ *
+ */
+class Twig_TokenParser_AutoEscape extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $value = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue();
+ if (!in_array($value, array('true', 'false'))) {
+ throw new Twig_Error_Syntax("Autoescape value must be 'true' or 'false'", $lineno);
+ }
+ $value = 'true' === $value ? 'html' : false;
+
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE)) {
+ if (false === $value) {
+ throw new Twig_Error_Syntax('Unexpected escaping strategy as you set autoescaping to false.', $lineno);
+ }
+
+ $value = $this->parser->getStream()->next()->getValue();
+ }
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_AutoEscape($value, $body, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endautoescape');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'autoescape';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Block.php b/inc/contrib/Twig/TokenParser/Block.php
new file mode 100644
index 00000000..b31f7ed6
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Block.php
@@ -0,0 +1,83 @@
+
+ * {% block head %}
+ *
+ * {% block title %}{% endblock %} - My Webpage
+ * {% endblock %}
+ *
+ */
+class Twig_TokenParser_Block extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $stream = $this->parser->getStream();
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ if ($this->parser->hasBlock($name)) {
+ throw new Twig_Error_Syntax("The block '$name' has already been defined", $lineno);
+ }
+ $this->parser->pushLocalScope();
+ $this->parser->pushBlockStack($name);
+
+ if ($stream->test(Twig_Token::BLOCK_END_TYPE)) {
+ $stream->next();
+
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ if ($stream->test(Twig_Token::NAME_TYPE)) {
+ $value = $stream->next()->getValue();
+
+ if ($value != $name) {
+ throw new Twig_Error_Syntax(sprintf("Expected endblock for block '$name' (but %s given)", $value), $lineno);
+ }
+ }
+ } else {
+ $body = new Twig_Node(array(
+ new Twig_Node_Print($this->parser->getExpressionParser()->parseExpression(), $lineno),
+ ));
+ }
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $block = new Twig_Node_Block($name, $body, $lineno);
+ $this->parser->setBlock($name, $block);
+ $this->parser->popBlockStack();
+ $this->parser->popLocalScope();
+
+ return new Twig_Node_BlockReference($name, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endblock');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'block';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Extends.php b/inc/contrib/Twig/TokenParser/Extends.php
new file mode 100644
index 00000000..67eacda0
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Extends.php
@@ -0,0 +1,54 @@
+
+ * {% extends "base.html" %}
+ *
+ */
+class Twig_TokenParser_Extends extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ if (!$this->parser->isMainScope()) {
+ throw new Twig_Error_Syntax('Cannot extend from a block', $token->getLine());
+ }
+
+ if (null !== $this->parser->getParent()) {
+ throw new Twig_Error_Syntax('Multiple extends tags are forbidden', $token->getLine());
+ }
+ $this->parser->setParent($this->parser->getExpressionParser()->parseExpression());
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return null;
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'extends';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Filter.php b/inc/contrib/Twig/TokenParser/Filter.php
new file mode 100644
index 00000000..0969ab1e
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Filter.php
@@ -0,0 +1,61 @@
+
+ * {% filter upper %}
+ * This text becomes uppercase
+ * {% endfilter %}
+ *
+ */
+class Twig_TokenParser_Filter extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $name = $this->parser->getVarName();
+ $ref = new Twig_Node_Expression_BlockReference(new Twig_Node_Expression_Constant($name, $token->getLine()), true, $token->getLine(), $this->getTag());
+
+ $filter = $this->parser->getExpressionParser()->parseFilterExpressionRaw($ref, $this->getTag());
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $block = new Twig_Node_Block($name, $body, $token->getLine());
+ $this->parser->setBlock($name, $block);
+
+ return new Twig_Node_Print($filter, $token->getLine(), $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endfilter');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'filter';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/For.php b/inc/contrib/Twig/TokenParser/For.php
new file mode 100644
index 00000000..5ce82979
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/For.php
@@ -0,0 +1,86 @@
+
+ *
+ * {% for user in users %}
+ *
{{ user.username|e }}
+ * {% endfor %}
+ *
+ *
+ */
+class Twig_TokenParser_For extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $targets = $this->parser->getExpressionParser()->parseAssignmentExpression();
+ $this->parser->getStream()->expect(Twig_Token::OPERATOR_TYPE, 'in');
+ $seq = $this->parser->getExpressionParser()->parseExpression();
+
+ $ifexpr = null;
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE, 'if')) {
+ $this->parser->getStream()->next();
+ $ifexpr = $this->parser->getExpressionParser()->parseExpression();
+ }
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideForFork'));
+ if ($this->parser->getStream()->next()->getValue() == 'else') {
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $else = $this->parser->subparse(array($this, 'decideForEnd'), true);
+ } else {
+ $else = null;
+ }
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ if (count($targets) > 1) {
+ $keyTarget = $targets->getNode(0);
+ $valueTarget = $targets->getNode(1);
+ } else {
+ $keyTarget = new Twig_Node_Expression_AssignName('_key', $lineno);
+ $valueTarget = $targets->getNode(0);
+ }
+
+ return new Twig_Node_For($keyTarget, $valueTarget, $seq, $ifexpr, $body, $else, $lineno, $this->getTag());
+ }
+
+ public function decideForFork(Twig_Token $token)
+ {
+ return $token->test(array('else', 'endfor'));
+ }
+
+ public function decideForEnd(Twig_Token $token)
+ {
+ return $token->test('endfor');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'for';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/From.php b/inc/contrib/Twig/TokenParser/From.php
new file mode 100644
index 00000000..87aceb4d
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/From.php
@@ -0,0 +1,74 @@
+
+ * {% from 'forms.html' import forms %}
+ *
+ */
+class Twig_TokenParser_From extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $macro = $this->parser->getExpressionParser()->parseExpression();
+ $stream = $this->parser->getStream();
+ $stream->expect('import');
+
+ $targets = array();
+ do {
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $alias = $name;
+ if ($stream->test('as')) {
+ $stream->next();
+
+ $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ }
+
+ $targets[$name] = $alias;
+
+ if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+
+ $stream->next();
+ } while (true);
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $node = new Twig_Node_Import($macro, new Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag());
+
+ foreach($targets as $name => $alias) {
+ $this->parser->addImportedFunction($alias, $name, $node->getNode('var'));
+ }
+
+ return $node;
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'from';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/If.php b/inc/contrib/Twig/TokenParser/If.php
new file mode 100644
index 00000000..65a1a8b2
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/If.php
@@ -0,0 +1,93 @@
+
+ * {% if users %}
+ *
+ * {% for user in users %}
+ *
{{ user.username|e }}
+ * {% endfor %}
+ *
+ * {% endif %}
+ *
+ */
+class Twig_TokenParser_If extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideIfFork'));
+ $tests = array($expr, $body);
+ $else = null;
+
+ $end = false;
+ while (!$end) {
+ switch ($this->parser->getStream()->next()->getValue()) {
+ case 'else':
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $else = $this->parser->subparse(array($this, 'decideIfEnd'));
+ break;
+
+ case 'elseif':
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideIfFork'));
+ $tests[] = $expr;
+ $tests[] = $body;
+ break;
+
+ case 'endif':
+ $end = true;
+ break;
+
+ default:
+ throw new Twig_Error_Syntax(sprintf('Unexpected end of template. Twig was looking for the following tags "else", "elseif", or "endif" to close the "if" block started at line %d)', $lineno), -1);
+ }
+ }
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_If(new Twig_Node($tests), $else, $lineno, $this->getTag());
+ }
+
+ public function decideIfFork(Twig_Token $token)
+ {
+ return $token->test(array('elseif', 'else', 'endif'));
+ }
+
+ public function decideIfEnd(Twig_Token $token)
+ {
+ return $token->test(array('endif'));
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'if';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Import.php b/inc/contrib/Twig/TokenParser/Import.php
new file mode 100644
index 00000000..d0a88cde
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Import.php
@@ -0,0 +1,47 @@
+
+ * {% import 'forms.html' as forms %}
+ *
+ */
+class Twig_TokenParser_Import extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $macro = $this->parser->getExpressionParser()->parseExpression();
+ $this->parser->getStream()->expect('as');
+ $var = new Twig_Node_Expression_AssignName($this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue(), $token->getLine());
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Import($macro, $var, $token->getLine(), $this->getTag());
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'import';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Include.php b/inc/contrib/Twig/TokenParser/Include.php
new file mode 100644
index 00000000..54154559
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Include.php
@@ -0,0 +1,71 @@
+
+ * {% include 'header.html' %}
+ * Body
+ * {% include 'footer.html' %}
+ *
+ */
+class Twig_TokenParser_Include extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $expr = $this->parser->getExpressionParser()->parseExpression();
+
+ $ignoreMissing = false;
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE, 'ignore')) {
+ $this->parser->getStream()->next();
+ $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, 'missing');
+
+ $ignoreMissing = true;
+ }
+
+ $variables = null;
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE, 'with')) {
+ $this->parser->getStream()->next();
+
+ $variables = $this->parser->getExpressionParser()->parseExpression();
+ }
+
+ $only = false;
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE, 'only')) {
+ $this->parser->getStream()->next();
+
+ $only = true;
+ }
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Include($expr, $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'include';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Macro.php b/inc/contrib/Twig/TokenParser/Macro.php
new file mode 100644
index 00000000..da1ac55c
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Macro.php
@@ -0,0 +1,69 @@
+
+ * {% macro input(name, value, type, size) %}
+ *
+ * {% endmacro %}
+ *
+ */
+class Twig_TokenParser_Macro extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $name = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $arguments = $this->parser->getExpressionParser()->parseArguments();
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $this->parser->pushLocalScope();
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE)) {
+ $value = $this->parser->getStream()->next()->getValue();
+
+ if ($value != $name) {
+ throw new Twig_Error_Syntax(sprintf("Expected endmacro for macro '$name' (but %s given)", $value), $lineno);
+ }
+ }
+ $this->parser->popLocalScope();
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $this->parser->setMacro($name, new Twig_Node_Macro($name, $body, $arguments, $lineno, $this->getTag()));
+
+ return null;
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endmacro');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'macro';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Sandbox.php b/inc/contrib/Twig/TokenParser/Sandbox.php
new file mode 100644
index 00000000..62e7f8f7
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Sandbox.php
@@ -0,0 +1,55 @@
+
+ * {% sandbox %}
+ * {% include 'user.html' %}
+ * {% endsandbox %}
+ *
+ *
+ * @see http://www.twig-project.org/doc/api.html#sandbox-extension for details
+ */
+class Twig_TokenParser_Sandbox extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Sandbox($body, $token->getLine(), $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endsandbox');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'sandbox';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Set.php b/inc/contrib/Twig/TokenParser/Set.php
new file mode 100644
index 00000000..489e1d30
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Set.php
@@ -0,0 +1,84 @@
+
+ * {% set foo = 'foo' %}
+ *
+ * {% set foo = [1, 2] %}
+ *
+ * {% set foo = {'foo': 'bar'} %}
+ *
+ * {% set foo = 'foo' ~ 'bar' %}
+ *
+ * {% set foo, bar = 'foo', 'bar' %}
+ *
+ * {% set foo %}Some content{% endset %}
+ *
+ */
+class Twig_TokenParser_Set extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+ $stream = $this->parser->getStream();
+ $names = $this->parser->getExpressionParser()->parseAssignmentExpression();
+
+ $capture = false;
+ if ($stream->test(Twig_Token::OPERATOR_TYPE, '=')) {
+ $stream->next();
+ $values = $this->parser->getExpressionParser()->parseMultitargetExpression();
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ if (count($names) !== count($values)) {
+ throw new Twig_Error_Syntax("When using set, you must have the same number of variables and assignements.", $lineno);
+ }
+ } else {
+ $capture = true;
+
+ if (count($names) > 1) {
+ throw new Twig_Error_Syntax("When using set with a block, you cannot have a multi-target.", $lineno);
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $values = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+ }
+
+ return new Twig_Node_Set($capture, $names, $values, $lineno, $this->getTag());
+ }
+
+ public function decideBlockEnd(Twig_Token $token)
+ {
+ return $token->test('endset');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'set';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Spaceless.php b/inc/contrib/Twig/TokenParser/Spaceless.php
new file mode 100644
index 00000000..aa7ffbc4
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Spaceless.php
@@ -0,0 +1,59 @@
+
+ * {% spaceless %}
+ *
+ * foo
+ *
+ * {% endspaceless %}
+ *
+ * {# output will be
foo
#}
+ *
+ */
+class Twig_TokenParser_Spaceless extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $lineno = $token->getLine();
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideSpacelessEnd'), true);
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ return new Twig_Node_Spaceless($body, $lineno, $this->getTag());
+ }
+
+ public function decideSpacelessEnd(Twig_Token $token)
+ {
+ return $token->test('endspaceless');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'spaceless';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParser/Use.php b/inc/contrib/Twig/TokenParser/Use.php
new file mode 100644
index 00000000..16c47e3e
--- /dev/null
+++ b/inc/contrib/Twig/TokenParser/Use.php
@@ -0,0 +1,85 @@
+
+ * {% extends "base.html" %}
+ *
+ * {% use "blocks.html" %}
+ *
+ * {% block title %}{% endblock %}
+ * {% block content %}{% endblock %}
+ *
+ *
+ * @see http://www.twig-project.org/doc/templates.html#horizontal-reuse for details.
+ */
+class Twig_TokenParser_Use extends Twig_TokenParser
+{
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ public function parse(Twig_Token $token)
+ {
+ $template = $this->parser->getExpressionParser()->parseExpression();
+
+ if (!$template instanceof Twig_Node_Expression_Constant) {
+ throw new Twig_Error_Syntax('The template references in a "use" statement must be a string.', $token->getLine());
+ }
+
+ $stream = $this->parser->getStream();
+
+ $targets = array();
+ if ($stream->test('with')) {
+ $stream->next();
+
+ do {
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $alias = $name;
+ if ($stream->test('as')) {
+ $stream->next();
+
+ $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ }
+
+ $targets[$name] = new Twig_Node_Expression_Constant($alias, -1);
+
+ if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+
+ $stream->next();
+ } while (true);
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $this->parser->addTrait(new Twig_Node(array('template' => $template, 'targets' => new Twig_Node($targets))));
+
+ return null;
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'use';
+ }
+}
diff --git a/inc/contrib/Twig/TokenParserBroker.php b/inc/contrib/Twig/TokenParserBroker.php
new file mode 100644
index 00000000..34fcdfbf
--- /dev/null
+++ b/inc/contrib/Twig/TokenParserBroker.php
@@ -0,0 +1,107 @@
+
+ */
+class Twig_TokenParserBroker implements Twig_TokenParserBrokerInterface
+{
+ protected $parser;
+ protected $parsers = array();
+ protected $brokers = array();
+
+ /**
+ * Constructor.
+ *
+ * @param array|Traversable $parsers A Traversable of Twig_TokenParserInterface instances
+ * @param array|Traversable $brokers A Traversable of Twig_TokenParserBrokerInterface instances
+ */
+ public function __construct($parsers = array(), $brokers = array())
+ {
+ foreach ($parsers as $parser) {
+ if (!$parser instanceof Twig_TokenParserInterface) {
+ throw new Twig_Error('$parsers must a an array of Twig_TokenParserInterface');
+ }
+ $this->parsers[$parser->getTag()] = $parser;
+ }
+ foreach ($brokers as $broker) {
+ if (!$broker instanceof Twig_TokenParserBrokerInterface) {
+ throw new Twig_Error('$brokers must a an array of Twig_TokenParserBrokerInterface');
+ }
+ $this->brokers[] = $broker;
+ }
+ }
+
+ /**
+ * Adds a TokenParser.
+ *
+ * @param Twig_TokenParserInterface $parser A Twig_TokenParserInterface instance
+ */
+ public function addTokenParser(Twig_TokenParserInterface $parser)
+ {
+ $this->parsers[$parser->getTag()] = $parser;
+ }
+
+ /**
+ * Adds a TokenParserBroker.
+ *
+ * @param Twig_TokenParserBroker $broker A Twig_TokenParserBroker instance
+ */
+ public function addTokenParserBroker(Twig_TokenParserBroker $broker)
+ {
+ $this->brokers[] = $broker;
+ }
+
+ /**
+ * Gets a suitable TokenParser for a tag.
+ *
+ * First looks in parsers, then in brokers.
+ *
+ * @param string $tag A tag name
+ *
+ * @return null|Twig_TokenParserInterface A Twig_TokenParserInterface or null if no suitable TokenParser was found
+ */
+ public function getTokenParser($tag)
+ {
+ if (isset($this->parsers[$tag])) {
+ return $this->parsers[$tag];
+ }
+ $broker = end($this->brokers);
+ while (false !== $broker) {
+ $parser = $broker->getTokenParser($tag);
+ if (null !== $parser) {
+ return $parser;
+ }
+ $broker = prev($this->brokers);
+ }
+ return null;
+ }
+
+ public function getParser()
+ {
+ return $this->parser;
+ }
+
+ public function setParser(Twig_ParserInterface $parser)
+ {
+ $this->parser = $parser;
+ foreach ($this->parsers as $tokenParser) {
+ $tokenParser->setParser($parser);
+ }
+ foreach ($this->brokers as $broker) {
+ $broker->setParser($parser);
+ }
+ }
+}
diff --git a/inc/contrib/Twig/TokenParserBrokerInterface.php b/inc/contrib/Twig/TokenParserBrokerInterface.php
new file mode 100644
index 00000000..3ce8ca26
--- /dev/null
+++ b/inc/contrib/Twig/TokenParserBrokerInterface.php
@@ -0,0 +1,45 @@
+
+ */
+interface Twig_TokenParserBrokerInterface
+{
+ /**
+ * Gets a TokenParser suitable for a tag.
+ *
+ * @param string $tag A tag name
+ *
+ * @return null|Twig_TokenParserInterface A Twig_TokenParserInterface or null if no suitable TokenParser was found
+ */
+ function getTokenParser($tag);
+
+ /**
+ * Calls Twig_TokenParserInterface::setParser on all parsers the implementation knows of.
+ *
+ * @param Twig_ParserInterface $parser A Twig_ParserInterface interface
+ */
+ function setParser(Twig_ParserInterface $parser);
+
+ /**
+ * Gets the Twig_ParserInterface.
+ *
+ * @return null|Twig_ParserInterface A Twig_ParserInterface instance of null
+ */
+ function getParser();
+}
diff --git a/inc/contrib/Twig/TokenParserInterface.php b/inc/contrib/Twig/TokenParserInterface.php
new file mode 100644
index 00000000..114a939e
--- /dev/null
+++ b/inc/contrib/Twig/TokenParserInterface.php
@@ -0,0 +1,42 @@
+
+ */
+interface Twig_TokenParserInterface
+{
+ /**
+ * Sets the parser associated with this token parser
+ *
+ * @param $parser A Twig_Parser instance
+ */
+ function setParser(Twig_Parser $parser);
+
+ /**
+ * Parses a token and returns a node.
+ *
+ * @param Twig_Token $token A Twig_Token instance
+ *
+ * @return Twig_NodeInterface A Twig_NodeInterface instance
+ */
+ function parse(Twig_Token $token);
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ function getTag();
+}
diff --git a/inc/contrib/Twig/TokenStream.php b/inc/contrib/Twig/TokenStream.php
new file mode 100644
index 00000000..a2002b42
--- /dev/null
+++ b/inc/contrib/Twig/TokenStream.php
@@ -0,0 +1,140 @@
+
+ */
+class Twig_TokenStream
+{
+ protected $tokens;
+ protected $current;
+ protected $filename;
+
+ /**
+ * Constructor.
+ *
+ * @param array $tokens An array of tokens
+ * @param string $filename The name of the filename which tokens are associated with
+ */
+ public function __construct(array $tokens, $filename = null)
+ {
+ $this->tokens = $tokens;
+ $this->current = 0;
+ $this->filename = $filename;
+ }
+
+ /**
+ * Returns a string representation of the token stream.
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ return implode("\n", $this->tokens);
+ }
+
+ /**
+ * Sets the pointer to the next token and returns the old one.
+ *
+ * @return Twig_Token
+ */
+ public function next()
+ {
+ if (!isset($this->tokens[++$this->current])) {
+ throw new Twig_Error_Syntax('Unexpected end of template', -1, $this->filename);
+ }
+
+ return $this->tokens[$this->current - 1];
+ }
+
+ /**
+ * Tests a token and returns it or throws a syntax error.
+ *
+ * @return Twig_Token
+ */
+ public function expect($type, $value = null, $message = null)
+ {
+ $token = $this->tokens[$this->current];
+ if (!$token->test($type, $value)) {
+ $line = $token->getLine();
+ throw new Twig_Error_Syntax(sprintf('%sUnexpected token "%s" of value "%s" ("%s" expected%s)',
+ $message ? $message.'. ' : '',
+ Twig_Token::typeToEnglish($token->getType(), $line), $token->getValue(),
+ Twig_Token::typeToEnglish($type, $line), $value ? sprintf(' with value "%s"', $value) : ''),
+ $line,
+ $this->filename
+ );
+ }
+ $this->next();
+
+ return $token;
+ }
+
+ /**
+ * Looks at the next token.
+ *
+ * @param integer $number
+ *
+ * @return Twig_Token
+ */
+ public function look($number = 1)
+ {
+ if (!isset($this->tokens[$this->current + $number])) {
+ throw new Twig_Error_Syntax('Unexpected end of template', -1, $this->filename);
+ }
+
+ return $this->tokens[$this->current + $number];
+ }
+
+ /**
+ * Tests the current token
+ *
+ * @return bool
+ */
+ public function test($primary, $secondary = null)
+ {
+ return $this->tokens[$this->current]->test($primary, $secondary);
+ }
+
+ /**
+ * Checks if end of stream was reached
+ *
+ * @return bool
+ */
+ public function isEOF()
+ {
+ return $this->tokens[$this->current]->getType() === Twig_Token::EOF_TYPE;
+ }
+
+ /**
+ * Gets the current token
+ *
+ * @return Twig_Token
+ */
+ public function getCurrent()
+ {
+ return $this->tokens[$this->current];
+ }
+
+ /**
+ * Gets the filename associated with this stream
+ *
+ * @return string
+ */
+ public function getFilename()
+ {
+ return $this->filename;
+ }
+}
diff --git a/inc/template.php b/inc/template.php
index 0c4268d6..5bee41ca 100644
--- a/inc/template.php
+++ b/inc/template.php
@@ -5,175 +5,14 @@
exit;
}
- // -----------------------------------------------------
- // Standard configuration
- //
- // Enable global things like %gentime, etc.
- $templateGlobals = true;
+ require 'contrib/Twig/Autoloader.php';
+ Twig_Autoloader::register();
- // If $templateGlobals is enabled.
- // Do not change the keys, but the values (if you must), or it will not work. (Prefixed with %)
- $templateGlobalsNames = Array(
- 'gentime' => 'gentime',
- 'template' => 'template'
- );
-
- // Allow {$phpvar}, etc, to be placed in the template file. This will use a (global) variable defined in PHP.
- // Requires eval() to be enabled. Might be a security risk, so ensure your template files aren't writable before
- // enabling this. (Prefixed with $)
- $templateVariables = false;
-
- // End config
- // -----------------------------------------------------
-
- //'/\{(!?[$%]?[\w\[\]]+)(([=\?:])(([^{^}]|\{.+?\})?)?\}/s'
-
-
-
-
- // Don't change this if you don't know what you're doing.
- // EXTREMELY CONFUSING RECURSION!
- $templateRegex = '/\{(!?[$%]?[\w\[\]]+)(([=\?:])((?>[^{^}]|\{[^{^}]+\}|(?R))+?))?\}/s';
-
- function templateParse($template, array $options, $globals = null, $templateFile = null) {
- global $templateGlobals, $templateGlobalsNames, $templateVariables, $templateRegex;
- //For the global variable {%gentime}
- if($globals == null) {
- $globals = Array();
- if(isset($templateFile)) $globals['template'] = $templateFile;
- $globals['gentime'] = microtime(true);
- }
-
- // What we'll end up finishing with
- $templateBody = '';
-
- $previousPosition = 0;
- // Find the matches
- if(preg_match_all($templateRegex, $template, $templateMatch)) {
- //Iterate through matches
- for($matchIndex=0;$matchIndex';
}
+ $twig = new Twig_Environment($loader, Array(
+ 'autoescape' => false,
+ 'cache' => 'cache',
+ 'debug' => ($config['debug'] ? true : false),
+ ));
+
// Read the template file
- if($template = @file_get_contents("{$config['dir']['template']}/${templateFile}")) {
- return templateParse($template, $options, null, $templateFile);
+ if(@file_get_contents("{$config['dir']['template']}/${templateFile}")) {
+ return $twig->render($templateFile, $options);
} else {
throw new Exception("Template file '${templateFile}' does not exist or is empty in '{$config['dir']['template']}'!");
}
}
-
?>
diff --git a/templates/error.html b/templates/error.html
new file mode 100644
index 00000000..0b5c7bb8
--- /dev/null
+++ b/templates/error.html
@@ -0,0 +1,28 @@
+{% if error %}