From 8069e235fd2971675ee5fc05026ffa9bce5cbbb7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= Date: Fri, 2 Aug 2013 22:43:56 +0200 Subject: move Twig in 3rdparty --- inc/3rdparty/Twig/Extension/Core.php | 1355 ++++++++++++++++++++++++++++++++++ 1 file changed, 1355 insertions(+) create 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 new file mode 100644 index 00000000..e68687b4 --- /dev/null +++ b/inc/3rdparty/Twig/Extension/Core.php @@ -0,0 +1,1355 @@ +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