From 4f5b44bd3bd490309eb2ba7b44df4769816ba729 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= Date: Sat, 3 Aug 2013 19:26:54 +0200 Subject: twig implementation --- inc/3rdparty/Twig/Extension/Core.php | 1355 ---------------------------------- 1 file changed, 1355 deletions(-) delete mode 100644 inc/3rdparty/Twig/Extension/Core.php (limited to 'inc/3rdparty/Twig/Extension/Core.php') diff --git a/inc/3rdparty/Twig/Extension/Core.php b/inc/3rdparty/Twig/Extension/Core.php deleted file mode 100644 index e68687b4..00000000 --- a/inc/3rdparty/Twig/Extension/Core.php +++ /dev/null @@ -1,1355 +0,0 @@ -dateFormats[0] = $format; - } - - if (null !== $dateIntervalFormat) { - $this->dateFormats[1] = $dateIntervalFormat; - } - } - - /** - * Gets the default format to be used by the date filter. - * - * @return array The default date format string and the default date interval format string - */ - public function getDateFormat() - { - return $this->dateFormats; - } - - /** - * Sets the default timezone to be used by the date filter. - * - * @param DateTimeZone|string $timezone The default timezone string or a DateTimeZone object - */ - public function setTimezone($timezone) - { - $this->timezone = $timezone instanceof DateTimeZone ? $timezone : new DateTimeZone($timezone); - } - - /** - * Gets the default timezone to be used by the date filter. - * - * @return DateTimeZone The default timezone currently in use - */ - public function getTimezone() - { - if (null === $this->timezone) { - $this->timezone = new DateTimeZone(date_default_timezone_get()); - } - - return $this->timezone; - } - - /** - * Sets the default format to be used by the number_format filter. - * - * @param integer $decimal The number of decimal places to use. - * @param string $decimalPoint The character(s) to use for the decimal point. - * @param string $thousandSep The character(s) to use for the thousands separator. - */ - public function setNumberFormat($decimal, $decimalPoint, $thousandSep) - { - $this->numberFormat = array($decimal, $decimalPoint, $thousandSep); - } - - /** - * Get the default format used by the number_format filter. - * - * @return array The arguments for number_format() - */ - public function getNumberFormat() - { - return $this->numberFormat; - } - - /** - * Returns the token parser instance to add to the existing list. - * - * @return array An array of Twig_TokenParser instances - */ - public function getTokenParsers() - { - return array( - new Twig_TokenParser_For(), - new Twig_TokenParser_If(), - new Twig_TokenParser_Extends(), - new Twig_TokenParser_Include(), - new Twig_TokenParser_Block(), - new Twig_TokenParser_Use(), - new Twig_TokenParser_Filter(), - new Twig_TokenParser_Macro(), - new Twig_TokenParser_Import(), - new Twig_TokenParser_From(), - new Twig_TokenParser_Set(), - new Twig_TokenParser_Spaceless(), - new Twig_TokenParser_Flush(), - new Twig_TokenParser_Do(), - new Twig_TokenParser_Embed(), - ); - } - - /** - * Returns a list of filters to add to the existing list. - * - * @return array An array of filters - */ - public function getFilters() - { - $filters = array( - // formatting filters - new Twig_SimpleFilter('date', 'twig_date_format_filter', array('needs_environment' => true)), - new Twig_SimpleFilter('date_modify', 'twig_date_modify_filter', array('needs_environment' => true)), - new Twig_SimpleFilter('format', 'sprintf'), - new Twig_SimpleFilter('replace', 'strtr'), - new Twig_SimpleFilter('number_format', 'twig_number_format_filter', array('needs_environment' => true)), - new Twig_SimpleFilter('abs', 'abs'), - - // encoding - new Twig_SimpleFilter('url_encode', 'twig_urlencode_filter'), - new Twig_SimpleFilter('json_encode', 'twig_jsonencode_filter'), - new Twig_SimpleFilter('convert_encoding', 'twig_convert_encoding'), - - // string filters - new Twig_SimpleFilter('title', 'twig_title_string_filter', array('needs_environment' => true)), - new Twig_SimpleFilter('capitalize', 'twig_capitalize_string_filter', array('needs_environment' => true)), - new Twig_SimpleFilter('upper', 'strtoupper'), - new Twig_SimpleFilter('lower', 'strtolower'), - new Twig_SimpleFilter('striptags', 'strip_tags'), - new Twig_SimpleFilter('trim', 'trim'), - new Twig_SimpleFilter('nl2br', 'nl2br', array('pre_escape' => 'html', 'is_safe' => array('html'))), - - // array helpers - new Twig_SimpleFilter('join', 'twig_join_filter'), - new Twig_SimpleFilter('split', 'twig_split_filter'), - new Twig_SimpleFilter('sort', 'twig_sort_filter'), - new Twig_SimpleFilter('merge', 'twig_array_merge'), - new Twig_SimpleFilter('batch', 'twig_array_batch'), - - // string/array filters - new Twig_SimpleFilter('reverse', 'twig_reverse_filter', array('needs_environment' => true)), - new Twig_SimpleFilter('length', 'twig_length_filter', array('needs_environment' => true)), - new Twig_SimpleFilter('slice', 'twig_slice', array('needs_environment' => true)), - new Twig_SimpleFilter('first', 'twig_first', array('needs_environment' => true)), - new Twig_SimpleFilter('last', 'twig_last', array('needs_environment' => true)), - - // iteration and runtime - new Twig_SimpleFilter('default', '_twig_default_filter', array('node_class' => 'Twig_Node_Expression_Filter_Default')), - new Twig_SimpleFilter('keys', 'twig_get_array_keys_filter'), - - // escaping - new Twig_SimpleFilter('escape', 'twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')), - new Twig_SimpleFilter('e', 'twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')), - ); - - if (function_exists('mb_get_info')) { - $filters[] = new Twig_SimpleFilter('upper', 'twig_upper_filter', array('needs_environment' => true)); - $filters[] = new Twig_SimpleFilter('lower', 'twig_lower_filter', array('needs_environment' => true)); - } - - return $filters; - } - - /** - * Returns a list of global functions to add to the existing list. - * - * @return array An array of global functions - */ - public function getFunctions() - { - return array( - new Twig_SimpleFunction('range', 'range'), - new Twig_SimpleFunction('constant', 'twig_constant'), - new Twig_SimpleFunction('cycle', 'twig_cycle'), - new Twig_SimpleFunction('random', 'twig_random', array('needs_environment' => true)), - new Twig_SimpleFunction('date', 'twig_date_converter', array('needs_environment' => true)), - new Twig_SimpleFunction('include', 'twig_include', array('needs_environment' => true, 'needs_context' => true, 'is_safe' => array('all'))), - ); - } - - /** - * Returns a list of tests to add to the existing list. - * - * @return array An array of tests - */ - public function getTests() - { - return array( - new Twig_SimpleTest('even', null, array('node_class' => 'Twig_Node_Expression_Test_Even')), - new Twig_SimpleTest('odd', null, array('node_class' => 'Twig_Node_Expression_Test_Odd')), - new Twig_SimpleTest('defined', null, array('node_class' => 'Twig_Node_Expression_Test_Defined')), - new Twig_SimpleTest('sameas', null, array('node_class' => 'Twig_Node_Expression_Test_Sameas')), - new Twig_SimpleTest('none', null, array('node_class' => 'Twig_Node_Expression_Test_Null')), - new Twig_SimpleTest('null', null, array('node_class' => 'Twig_Node_Expression_Test_Null')), - new Twig_SimpleTest('divisibleby', null, array('node_class' => 'Twig_Node_Expression_Test_Divisibleby')), - new Twig_SimpleTest('constant', null, array('node_class' => 'Twig_Node_Expression_Test_Constant')), - new Twig_SimpleTest('empty', 'twig_test_empty'), - new Twig_SimpleTest('iterable', 'twig_test_iterable'), - ); - } - - /** - * Returns a list of operators to add to the existing list. - * - * @return array An array of operators - */ - public function getOperators() - { - return array( - array( - 'not' => array('precedence' => 50, 'class' => 'Twig_Node_Expression_Unary_Not'), - '-' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Neg'), - '+' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Pos'), - ), - array( - 'or' => array('precedence' => 10, 'class' => 'Twig_Node_Expression_Binary_Or', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - 'and' => array('precedence' => 15, 'class' => 'Twig_Node_Expression_Binary_And', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - 'b-or' => array('precedence' => 16, 'class' => 'Twig_Node_Expression_Binary_BitwiseOr', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - 'b-xor' => array('precedence' => 17, 'class' => 'Twig_Node_Expression_Binary_BitwiseXor', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - 'b-and' => array('precedence' => 18, 'class' => 'Twig_Node_Expression_Binary_BitwiseAnd', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '==' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Equal', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '!=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '<' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Less', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '>' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Greater', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '>=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_GreaterEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '<=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_LessEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - 'not in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotIn', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - 'in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_In', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '..' => array('precedence' => 25, 'class' => 'Twig_Node_Expression_Binary_Range', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '+' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Add', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '-' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Sub', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '~' => array('precedence' => 40, 'class' => 'Twig_Node_Expression_Binary_Concat', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '*' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mul', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '/' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Div', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '//' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_FloorDiv', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '%' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mod', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - 'is' => array('precedence' => 100, 'callable' => array($this, 'parseTestExpression'), 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - 'is not' => array('precedence' => 100, 'callable' => array($this, 'parseNotTestExpression'), 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), - '**' => array('precedence' => 200, 'class' => 'Twig_Node_Expression_Binary_Power', 'associativity' => Twig_ExpressionParser::OPERATOR_RIGHT), - ), - ); - } - - public function parseNotTestExpression(Twig_Parser $parser, $node) - { - return new Twig_Node_Expression_Unary_Not($this->parseTestExpression($parser, $node), $parser->getCurrentToken()->getLine()); - } - - public function parseTestExpression(Twig_Parser $parser, $node) - { - $stream = $parser->getStream(); - $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); - $arguments = null; - if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) { - $arguments = $parser->getExpressionParser()->parseArguments(true); - } - - $class = $this->getTestNodeClass($parser, $name, $node->getLine()); - - return new $class($node, $name, $arguments, $parser->getCurrentToken()->getLine()); - } - - protected function getTestNodeClass(Twig_Parser $parser, $name, $line) - { - $env = $parser->getEnvironment(); - $testMap = $env->getTests(); - if (!isset($testMap[$name])) { - $message = sprintf('The test "%s" does not exist', $name); - if ($alternatives = $env->computeAlternatives($name, array_keys($env->getTests()))) { - $message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives)); - } - - throw new Twig_Error_Syntax($message, $line, $parser->getFilename()); - } - - if ($testMap[$name] instanceof Twig_SimpleTest) { - return $testMap[$name]->getNodeClass(); - } - - return $testMap[$name] instanceof Twig_Test_Node ? $testMap[$name]->getClass() : 'Twig_Node_Expression_Test'; - } - - /** - * Returns the name of the extension. - * - * @return string The extension name - */ - public function getName() - { - return 'core'; - } -} - -/** - * Cycles over a value. - * - * @param ArrayAccess|array $values An array or an ArrayAccess instance - * @param integer $position The cycle position - * - * @return string The next value in the cycle - */ -function twig_cycle($values, $position) -{ - if (!is_array($values) && !$values instanceof ArrayAccess) { - return $values; - } - - return $values[$position % count($values)]; -} - -/** - * Returns a random value depending on the supplied parameter type: - * - a random item from a Traversable or array - * - a random character from a string - * - a random integer between 0 and the integer parameter - * - * @param Twig_Environment $env A Twig_Environment instance - * @param Traversable|array|integer|string $values The values to pick a random item from - * - * @throws Twig_Error_Runtime When $values is an empty array (does not apply to an empty string which is returned as is). - * - * @return mixed A random value from the given sequence - */ -function twig_random(Twig_Environment $env, $values = null) -{ - if (null === $values) { - return mt_rand(); - } - - if (is_int($values) || is_float($values)) { - return $values < 0 ? mt_rand($values, 0) : mt_rand(0, $values); - } - - if ($values instanceof Traversable) { - $values = iterator_to_array($values); - } elseif (is_string($values)) { - if ('' === $values) { - return ''; - } - if (null !== $charset = $env->getCharset()) { - if ('UTF-8' != $charset) { - $values = twig_convert_encoding($values, 'UTF-8', $charset); - } - - // unicode version of str_split() - // split at all positions, but not after the start and not before the end - $values = preg_split('/(? $value) { - $values[$i] = twig_convert_encoding($value, $charset, 'UTF-8'); - } - } - } else { - return $values[mt_rand(0, strlen($values) - 1)]; - } - } - - if (!is_array($values)) { - return $values; - } - - if (0 === count($values)) { - throw new Twig_Error_Runtime('The random function cannot pick from an empty array.'); - } - - return $values[array_rand($values, 1)]; -} - -/** - * Converts a date to the given format. - * - * 
- *   {{ post.published_at|date("m/d/Y") }}
- *
- * - * @param Twig_Environment $env A Twig_Environment instance - * @param DateTime|DateInterval|string $date A date - * @param string $format A format - * @param DateTimeZone|string $timezone A timezone - * - * @return string The formatted date - */ -function twig_date_format_filter(Twig_Environment $env, $date, $format = null, $timezone = null) -{ - if (null === $format) { - $formats = $env->getExtension('core')->getDateFormat(); - $format = $date instanceof DateInterval ? $formats[1] : $formats[0]; - } - - if ($date instanceof DateInterval) { - return $date->format($format); - } - - return twig_date_converter($env, $date, $timezone)->format($format); -} - -/** - * Returns a new date object modified - * - * 
- *   {{ post.published_at|date_modify("-1day")|date("m/d/Y") }}
- *
- * - * @param Twig_Environment $env A Twig_Environment instance - * @param DateTime|string $date A date - * @param string $modifier A modifier string - * - * @return DateTime A new date object - */ -function twig_date_modify_filter(Twig_Environment $env, $date, $modifier) -{ - $date = twig_date_converter($env, $date, false); - $date->modify($modifier); - - return $date; -} - -/** - * Converts an input to a DateTime instance. - * - * 
- *    {% if date(user.created_at) < date('+2days') %}
- *      {# do something #}
- *    {% endif %}
- *
- * - * @param Twig_Environment $env A Twig_Environment instance - * @param DateTime|string $date A date - * @param DateTimeZone|string $timezone A timezone - * - * @return DateTime A DateTime instance - */ -function twig_date_converter(Twig_Environment $env, $date = null, $timezone = null) -{ - // determine the timezone - if (!$timezone) { - $defaultTimezone = $env->getExtension('core')->getTimezone(); - } elseif (!$timezone instanceof DateTimeZone) { - $defaultTimezone = new DateTimeZone($timezone); - } else { - $defaultTimezone = $timezone; - } - - if ($date instanceof DateTime) { - $date = clone $date; - if (false !== $timezone) { - $date->setTimezone($defaultTimezone); - } - - return $date; - } - - $asString = (string) $date; - if (ctype_digit($asString) || (!empty($asString) && '-' === $asString[0] && ctype_digit(substr($asString, 1)))) { - $date = '@'.$date; - } - - $date = new DateTime($date, $defaultTimezone); - if (false !== $timezone) { - $date->setTimezone($defaultTimezone); - } - - return $date; -} - -/** - * Number format filter. - * - * All of the formatting options can be left null, in that case the defaults will - * be used. Supplying any of the parameters will override the defaults set in the - * environment object. - * - * @param Twig_Environment $env A Twig_Environment instance - * @param mixed $number A float/int/string of the number to format - * @param integer $decimal The number of decimal points to display. - * @param string $decimalPoint The character(s) to use for the decimal point. - * @param string $thousandSep The character(s) to use for the thousands separator. - * - * @return string The formatted number - */ -function twig_number_format_filter(Twig_Environment $env, $number, $decimal = null, $decimalPoint = null, $thousandSep = null) -{ - $defaults = $env->getExtension('core')->getNumberFormat(); - if (null === $decimal) { - $decimal = $defaults[0]; - } - - if (null === $decimalPoint) { - $decimalPoint = $defaults[1]; - } - - if (null === $thousandSep) { - $thousandSep = $defaults[2]; - } - - return number_format((float) $number, $decimal, $decimalPoint, $thousandSep); -} - -/** - * URL encodes a string as a path segment or an array as a query string. - * - * @param string|array $url A URL or an array of query parameters - * @param bool $raw true to use rawurlencode() instead of urlencode - * - * @return string The URL encoded value - */ -function twig_urlencode_filter($url, $raw = false) -{ - if (is_array($url)) { - return http_build_query($url, '', '&'); - } - - if ($raw) { - return rawurlencode($url); - } - - return urlencode($url); -} - -if (version_compare(PHP_VERSION, '5.3.0', '<')) { - /** - * JSON encodes a variable. - * - * @param mixed $value The value to encode. - * @param integer $options Not used on PHP 5.2.x - * - * @return mixed The JSON encoded value - */ - function twig_jsonencode_filter($value, $options = 0) - { - if ($value instanceof Twig_Markup) { - $value = (string) $value; - } elseif (is_array($value)) { - array_walk_recursive($value, '_twig_markup2string'); - } - - return json_encode($value); - } -} else { - /** - * JSON encodes a variable. - * - * @param mixed $value The value to encode. - * @param integer $options Bitmask consisting of JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_NUMERIC_CHECK, JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, JSON_FORCE_OBJECT - * - * @return mixed The JSON encoded value - */ - function twig_jsonencode_filter($value, $options = 0) - { - if ($value instanceof Twig_Markup) { - $value = (string) $value; - } elseif (is_array($value)) { - array_walk_recursive($value, '_twig_markup2string'); - } - - return json_encode($value, $options); - } -} - -function _twig_markup2string(&$value) -{ - if ($value instanceof Twig_Markup) { - $value = (string) $value; - } -} - -/** - * Merges an array with another one. - * - * 
- *  {% set items = { 'apple': 'fruit', 'orange': 'fruit' } %}
- *
- *  {% set items = items|merge({ 'peugeot': 'car' }) %}
- *
- *  {# items now contains { 'apple': 'fruit', 'orange': 'fruit', 'peugeot': 'car' } #}
- *
- * - * @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($arr2)) { - throw new Twig_Error_Runtime('The merge filter only works with arrays or hashes.'); - } - - return array_merge($arr1, $arr2); -} - -/** - * Slices a variable. - * - * @param Twig_Environment $env A Twig_Environment instance - * @param mixed $item A variable - * @param integer $start Start of the slice - * @param integer $length Size of the slice - * @param Boolean $preserveKeys Whether to preserve key or not (when the input is an array) - * - * @return mixed The sliced variable - */ -function twig_slice(Twig_Environment $env, $item, $start, $length = null, $preserveKeys = false) -{ - if ($item instanceof Traversable) { - $item = iterator_to_array($item, false); - } - - if (is_array($item)) { - return array_slice($item, $start, $length, $preserveKeys); - } - - $item = (string) $item; - - if (function_exists('mb_get_info') && null !== $charset = $env->getCharset()) { - return mb_substr($item, $start, null === $length ? mb_strlen($item, $charset) - $start : $length, $charset); - } - - return null === $length ? substr($item, $start) : substr($item, $start, $length); -} - -/** - * Returns the first element of the item. - * - * @param Twig_Environment $env A Twig_Environment instance - * @param mixed $item A variable - * - * @return mixed The first element of the item - */ -function twig_first(Twig_Environment $env, $item) -{ - $elements = twig_slice($env, $item, 0, 1, false); - - return is_string($elements) ? $elements[0] : current($elements); -} - -/** - * Returns the last element of the item. - * - * @param Twig_Environment $env A Twig_Environment instance - * @param mixed $item A variable - * - * @return mixed The last element of the item - */ -function twig_last(Twig_Environment $env, $item) -{ - $elements = twig_slice($env, $item, -1, 1, false); - - return is_string($elements) ? $elements[0] : current($elements); -} - -/** - * Joins the values to a string. - * - * The separator between elements is an empty string per default, you can define it with the optional parameter. - * - * 
- *  {{ [1, 2, 3]|join('|') }}
- *  {# returns 1|2|3 #}
- *
- *  {{ [1, 2, 3]|join }}
- *  {# returns 123 #}
- *
- * - * @param array $value An array - * @param string $glue The separator - * - * @return string The concatenated string - */ -function twig_join_filter($value, $glue = '') -{ - if ($value instanceof Traversable) { - $value = iterator_to_array($value, false); - } - - return implode($glue, (array) $value); -} - -/** - * Splits the string into an array. - * - * 
- *  {{ "one,two,three"|split(',') }}
- *  {# returns [one, two, three] #}
- *
- *  {{ "one,two,three,four,five"|split(',', 3) }}
- *  {# returns [one, two, "three,four,five"] #}
- *
- *  {{ "123"|split('') }}
- *  {# returns [1, 2, 3] #}
- *
- *  {{ "aabbcc"|split('', 2) }}
- *  {# returns [aa, bb, cc] #}
- *
- * - * @param string $value A string - * @param string $delimiter The delimiter - * @param integer $limit The limit - * - * @return array The split string as an array - */ -function twig_split_filter($value, $delimiter, $limit = null) -{ - if (empty($delimiter)) { - return str_split($value, null === $limit ? 1 : $limit); - } - - return null === $limit ? explode($delimiter, $value) : explode($delimiter, $value, $limit); -} - -// The '_default' filter is used internally to avoid using the ternary operator -// which costs a lot for big contexts (before PHP 5.4). So, on average, -// a function call is cheaper. -function _twig_default_filter($value, $default = '') -{ - if (twig_test_empty($value)) { - return $default; - } - - 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 %}
- *
- * - * @param array $array An array - * - * @return array The keys - */ -function twig_get_array_keys_filter($array) -{ - if (is_object($array) && $array instanceof Traversable) { - return array_keys(iterator_to_array($array)); - } - - if (!is_array($array)) { - return array(); - } - - return array_keys($array); -} - -/** - * Reverses a variable. - * - * @param Twig_Environment $env A Twig_Environment instance - * @param array|Traversable|string $item An array, a Traversable instance, or a string - * @param Boolean $preserveKeys Whether to preserve key or not - * - * @return mixed The reversed input - */ -function twig_reverse_filter(Twig_Environment $env, $item, $preserveKeys = false) -{ - if (is_object($item) && $item instanceof Traversable) { - return array_reverse(iterator_to_array($item), $preserveKeys); - } - - if (is_array($item)) { - return array_reverse($item, $preserveKeys); - } - - if (null !== $charset = $env->getCharset()) { - $string = (string) $item; - - if ('UTF-8' != $charset) { - $item = twig_convert_encoding($string, 'UTF-8', $charset); - } - - preg_match_all('/./us', $item, $matches); - - $string = implode('', array_reverse($matches[0])); - - if ('UTF-8' != $charset) { - $string = twig_convert_encoding($string, $charset, 'UTF-8'); - } - - return $string; - } - - return strrev((string) $item); -} - -/** - * Sorts an array. - * - * @param array $array An array - */ -function twig_sort_filter($array) -{ - asort($array); - - return $array; -} - -/* used internally */ -function twig_in_filter($value, $compare) -{ - if (is_array($compare)) { - return in_array($value, $compare, is_object($value)); - } elseif (is_string($compare)) { - if (!strlen($value)) { - return empty($compare); - } - - return false !== strpos($compare, (string) $value); - } elseif ($compare instanceof Traversable) { - return in_array($value, iterator_to_array($compare, false), is_object($value)); - } - - return false; -} - -/** - * Escapes a string. - * - * @param Twig_Environment $env A Twig_Environment instance - * @param string $string The value to be escaped - * @param string $strategy The escaping strategy - * @param string $charset The charset - * @param Boolean $autoescape Whether the function is called by the auto-escaping feature (true) or by the developer (false) - */ -function twig_escape_filter(Twig_Environment $env, $string, $strategy = 'html', $charset = null, $autoescape = false) -{ - if ($autoescape && $string instanceof Twig_Markup) { - return $string; - } - - if (!is_string($string)) { - if (is_object($string) && method_exists($string, '__toString')) { - $string = (string) $string; - } else { - return $string; - } - } - - if (null === $charset) { - $charset = $env->getCharset(); - } - - switch ($strategy) { - case 'html': - // see http://php.net/htmlspecialchars - - // Using a static variable to avoid initializing the array - // each time the function is called. Moving the declaration on the - // top of the function slow downs other escaping strategies. - static $htmlspecialcharsCharsets = array( - 'ISO-8859-1' => true, 'ISO8859-1' => true, - 'ISO-8859-15' => true, 'ISO8859-15' => true, - 'utf-8' => true, 'UTF-8' => true, - 'CP866' => true, 'IBM866' => true, '866' => true, - 'CP1251' => true, 'WINDOWS-1251' => true, 'WIN-1251' => true, - '1251' => true, - 'CP1252' => true, 'WINDOWS-1252' => true, '1252' => true, - 'KOI8-R' => true, 'KOI8-RU' => true, 'KOI8R' => true, - 'BIG5' => true, '950' => true, - 'GB2312' => true, '936' => true, - 'BIG5-HKSCS' => true, - 'SHIFT_JIS' => true, 'SJIS' => true, '932' => true, - 'EUC-JP' => true, 'EUCJP' => true, - 'ISO8859-5' => true, 'ISO-8859-5' => true, 'MACROMAN' => true, - ); - - if (isset($htmlspecialcharsCharsets[$charset])) { - return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset); - } - - if (isset($htmlspecialcharsCharsets[strtoupper($charset)])) { - // cache the lowercase variant for future iterations - $htmlspecialcharsCharsets[$charset] = true; - - return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset); - } - - $string = twig_convert_encoding($string, 'UTF-8', $charset); - $string = htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8'); - - return twig_convert_encoding($string, $charset, 'UTF-8'); - - case 'js': - // escape all non-alphanumeric characters - // into their \xHH or \uHHHH representations - if ('UTF-8' != $charset) { - $string = twig_convert_encoding($string, 'UTF-8', $charset); - } - - if (0 == strlen($string) ? false : (1 == preg_match('/^./su', $string) ? false : true)) { - throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.'); - } - - $string = preg_replace_callback('#[^a-zA-Z0-9,\._]#Su', '_twig_escape_js_callback', $string); - - if ('UTF-8' != $charset) { - $string = twig_convert_encoding($string, $charset, 'UTF-8'); - } - - return $string; - - case 'css': - if ('UTF-8' != $charset) { - $string = twig_convert_encoding($string, 'UTF-8', $charset); - } - - if (0 == strlen($string) ? false : (1 == preg_match('/^./su', $string) ? false : true)) { - throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.'); - } - - $string = preg_replace_callback('#[^a-zA-Z0-9]#Su', '_twig_escape_css_callback', $string); - - if ('UTF-8' != $charset) { - $string = twig_convert_encoding($string, $charset, 'UTF-8'); - } - - return $string; - - case 'html_attr': - if ('UTF-8' != $charset) { - $string = twig_convert_encoding($string, 'UTF-8', $charset); - } - - if (0 == strlen($string) ? false : (1 == preg_match('/^./su', $string) ? false : true)) { - throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.'); - } - - $string = preg_replace_callback('#[^a-zA-Z0-9,\.\-_]#Su', '_twig_escape_html_attr_callback', $string); - - if ('UTF-8' != $charset) { - $string = twig_convert_encoding($string, $charset, 'UTF-8'); - } - - return $string; - - case 'url': - // hackish test to avoid version_compare that is much slower, this works unless PHP releases a 5.10.* - // at that point however PHP 5.2.* support can be removed - if (PHP_VERSION < '5.3.0') { - return str_replace('%7E', '~', rawurlencode($string)); - } - - return rawurlencode($string); - - default: - throw new Twig_Error_Runtime(sprintf('Invalid escaping strategy "%s" (valid ones: html, js, url, css, and html_attr).', $strategy)); - } -} - -/* used internally */ -function twig_escape_filter_is_safe(Twig_Node $filterArgs) -{ - foreach ($filterArgs as $arg) { - if ($arg instanceof Twig_Node_Expression_Constant) { - return array($arg->getAttribute('value')); - } - - return array(); - } - - return array('html'); -} - -if (function_exists('mb_convert_encoding')) { - function twig_convert_encoding($string, $to, $from) - { - return mb_convert_encoding($string, $to, $from); - } -} elseif (function_exists('iconv')) { - function twig_convert_encoding($string, $to, $from) - { - return iconv($from, $to, $string); - } -} else { - function twig_convert_encoding($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'.strtoupper(substr('00'.bin2hex($char), -2)); - } - - // \uHHHH - $char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8'); - - return '\\u'.strtoupper(substr('0000'.bin2hex($char), -4)); -} - -function _twig_escape_css_callback($matches) -{ - $char = $matches[0]; - - // \xHH - if (!isset($char[1])) { - $hex = ltrim(strtoupper(bin2hex($char)), '0'); - if (0 === strlen($hex)) { - $hex = '0'; - } - - return '\\'.$hex.' '; - } - - // \uHHHH - $char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8'); - - return '\\'.ltrim(strtoupper(bin2hex($char)), '0').' '; -} - -/** - * This function is adapted from code coming from Zend Framework. - * - * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com) - * @license http://framework.zend.com/license/new-bsd New BSD License - */ -function _twig_escape_html_attr_callback($matches) -{ - /* - * While HTML supports far more named entities, the lowest common denominator - * has become HTML5's XML Serialisation which is restricted to the those named - * entities that XML supports. Using HTML entities would result in this error: - * XML Parsing Error: undefined entity - */ - static $entityMap = array( - 34 => 'quot', /* quotation mark */ - 38 => 'amp', /* ampersand */ - 60 => 'lt', /* less-than sign */ - 62 => 'gt', /* greater-than sign */ - ); - - $chr = $matches[0]; - $ord = ord($chr); - - /** - * The following replaces characters undefined in HTML with the - * hex entity for the Unicode replacement character. - */ - if (($ord <= 0x1f && $chr != "\t" && $chr != "\n" && $chr != "\r") || ($ord >= 0x7f && $ord <= 0x9f)) { - return '�'; - } - - /** - * Check if the current character to escape has a name entity we should - * replace it with while grabbing the hex value of the character. - */ - if (strlen($chr) == 1) { - $hex = strtoupper(substr('00'.bin2hex($chr), -2)); - } else { - $chr = twig_convert_encoding($chr, 'UTF-16BE', 'UTF-8'); - $hex = strtoupper(substr('0000'.bin2hex($chr), -4)); - } - - $int = hexdec($hex); - if (array_key_exists($int, $entityMap)) { - return sprintf('&%s;', $entityMap[$int]); - } - - /** - * Per OWASP recommendations, we'll use hex entities for any other - * characters where a named entity does not exist. - */ - - return sprintf('&#x%s;', $hex); -} - -// add multibyte extensions if possible -if (function_exists('mb_get_info')) { - /** - * Returns the length of a variable. - * - * @param Twig_Environment $env A Twig_Environment instance - * @param mixed $thing A 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 variable. - * - * @param Twig_Environment $env A Twig_Environment instance - * @param mixed $thing A 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($seq) -{ - if ($seq instanceof Traversable || is_array($seq)) { - return $seq; - } - - return array(); -} - -/** - * 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 $value A variable - * - * @return Boolean true if the value is empty, false otherwise - */ -function twig_test_empty($value) -{ - if ($value instanceof Countable) { - return 0 == count($value); - } - - return '' === $value || false === $value || null === $value || array() === $value; -} - -/** - * Checks if a variable is traversable. - * - * 
- * {# evaluates to true if the foo variable is an array or a traversable object #}
- * {% if foo is traversable %}
- *     {# ... #}
- * {% endif %}
- *
- * - * @param mixed $value A variable - * - * @return Boolean true if the value is traversable - */ -function twig_test_iterable($value) -{ - return $value instanceof Traversable || is_array($value); -} - -/** - * Renders a template. - * - * @param string $template The template to render - * @param array $variables The variables to pass to the template - * @param Boolean $with_context Whether to pass the current context variables or not - * @param Boolean $ignore_missing Whether to ignore missing templates or not - * @param Boolean $sandboxed Whether to sandbox the template or not - * - * @return string The rendered template - */ -function twig_include(Twig_Environment $env, $context, $template, $variables = array(), $withContext = true, $ignoreMissing = false, $sandboxed = false) -{ - if ($withContext) { - $variables = array_merge($context, $variables); - } - - if ($isSandboxed = $sandboxed && $env->hasExtension('sandbox')) { - $sandbox = $env->getExtension('sandbox'); - if (!$alreadySandboxed = $sandbox->isSandboxed()) { - $sandbox->enableSandbox(); - } - } - - try { - return $env->resolveTemplate($template)->render($variables); - } catch (Twig_Error_Loader $e) { - if (!$ignoreMissing) { - throw $e; - } - } - - if ($isSandboxed && !$alreadySandboxed) { - $sandbox->disableSandbox(); - } -} - -/** - * Provides the ability to get constants from instances as well as class/global constants. - * - * @param string $constant The name of the constant - * @param null|object $object The object to get the constant from - * - * @return string - */ -function twig_constant($constant, $object = null) -{ - if (null !== $object) { - $constant = get_class($object).'::'.$constant; - } - - return constant($constant); -} - -/** - * Batches item. - * - * @param array $items An array of items - * @param integer $size The size of the batch - * @param string $fill A string to fill missing items - * - * @return array - */ -function twig_array_batch($items, $size, $fill = null) -{ - if ($items instanceof Traversable) { - $items = iterator_to_array($items, false); - } - - $size = ceil($size); - - $result = array_chunk($items, $size, true); - - if (null !== $fill) { - $last = count($result) - 1; - $result[$last] = array_merge( - $result[$last], - array_fill(0, $size - count($result[$last]), $fill) - ); - } - - return $result; -} -- cgit v1.2.3