Файловый менеджер

Файловый менеджер - Редактировать - /var/www/xthruster/html/wp-content/plugins/sitepress-multilingual-cms/lib/twig/src/ExpressionParser.php

Назад
<?php /* * This file is part of Twig. * * (c) Fabien Potencier * (c) Armin Ronacher * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace WPML\Core\Twig; use WPML\Core\Twig\Error\SyntaxError; use WPML\Core\Twig\Node\Expression\ArrayExpression; use WPML\Core\Twig\Node\Expression\ArrowFunctionExpression; use WPML\Core\Twig\Node\Expression\AssignNameExpression; use WPML\Core\Twig\Node\Expression\Binary\ConcatBinary; use WPML\Core\Twig\Node\Expression\BlockReferenceExpression; use WPML\Core\Twig\Node\Expression\ConditionalExpression; use WPML\Core\Twig\Node\Expression\ConstantExpression; use WPML\Core\Twig\Node\Expression\GetAttrExpression; use WPML\Core\Twig\Node\Expression\MethodCallExpression; use WPML\Core\Twig\Node\Expression\NameExpression; use WPML\Core\Twig\Node\Expression\ParentExpression; use WPML\Core\Twig\Node\Expression\Unary\NegUnary; use WPML\Core\Twig\Node\Expression\Unary\NotUnary; use WPML\Core\Twig\Node\Expression\Unary\PosUnary; use WPML\Core\Twig\Node\Node; /* * Parses expressions. * * This parser implements a "Precedence climbing" algorithm. * * @see https://www.engr.mun.ca/~theo/Misc/exp_parsing.htm * @see https://en.wikipedia.org/wiki/Operator-precedence_parser * * @author Fabien Potencier <fabien@symfony.com> * * @internal / class ExpressionParser { const OPERATOR_LEFT = 1; const OPERATOR_RIGHT = 2; protected $parser; protected $unaryOperators; protected $binaryOperators; private $env; public function __construct(\WPML\Core\Twig\Parser $parser, $env = null) { $this->parser = $parser; if ($env instanceof \WPML\Core\Twig\Environment) { $this->env = $env; $this->unaryOperators = $env->getUnaryOperators(); $this->binaryOperators = $env->getBinaryOperators(); } else { @\trigger_error('Passing the operators as constructor arguments to ' . __METHOD__ . ' is deprecated since version 1.27. Pass the environment instead.', \E_USER_DEPRECATED); $this->env = $parser->getEnvironment(); $this->unaryOperators = \func_get_arg(1); $this->binaryOperators = \func_get_arg(2); } } public function parseExpression($precedence = 0, $allowArrow = \false) { if ($allowArrow && ($arrow = $this->parseArrow())) { return $arrow; } $expr = $this->getPrimary(); $token = $this->parser->getCurrentToken(); while ($this->isBinary($token) && $this->binaryOperators[$token->getValue()]['precedence'] >= $precedence) { $op = $this->binaryOperators[$token->getValue()]; $this->parser->getStream()->next(); if ('is not' === $token->getValue()) { $expr = $this->parseNotTestExpression($expr); } elseif ('is' === $token->getValue()) { $expr = $this->parseTestExpression($expr); } elseif (isset($op['callable'])) { $expr = \call_user_func($op['callable'], $this->parser, $expr); } else { $expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']); $class = $op['class']; $expr = new $class($expr, $expr1, $token->getLine()); } $token = $this->parser->getCurrentToken(); } if (0 === $precedence) { return $this->parseConditionalExpression($expr); } return $expr; } /* * @return ArrowFunctionExpression\|null / private function parseArrow() { $stream = $this->parser->getStream(); // short array syntax (one argument, no parentheses)? if ($stream->look(1)->test(\WPML\Core\Twig\Token::ARROW_TYPE)) { $line = $stream->getCurrent()->getLine(); $token = $stream->expect(\WPML\Core\Twig\Token::NAME_TYPE); $names = [new \WPML\Core\Twig\Node\Expression\AssignNameExpression($token->getValue(), $token->getLine())]; $stream->expect(\WPML\Core\Twig\Token::ARROW_TYPE); return new \WPML\Core\Twig\Node\Expression\ArrowFunctionExpression($this->parseExpression(0), new \WPML\Core\Twig\Node\Node($names), $line); } // first, determine if we are parsing an arrow function by finding => (long form) $i = 0; if (!$stream->look($i)->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '(')) { return null; } ++$i; while (\true) { // variable name ++$i; if (!$stream->look($i)->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ',')) { break; } ++$i; } if (!$stream->look($i)->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ')')) { return null; } ++$i; if (!$stream->look($i)->test(\WPML\Core\Twig\Token::ARROW_TYPE)) { return null; } // yes, let's parse it properly $token = $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '('); $line = $token->getLine(); $names = []; while (\true) { $token = $stream->expect(\WPML\Core\Twig\Token::NAME_TYPE); $names[] = new \WPML\Core\Twig\Node\Expression\AssignNameExpression($token->getValue(), $token->getLine()); if (!$stream->nextIf(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ',')) { break; } } $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ')'); $stream->expect(\WPML\Core\Twig\Token::ARROW_TYPE); return new \WPML\Core\Twig\Node\Expression\ArrowFunctionExpression($this->parseExpression(0), new \WPML\Core\Twig\Node\Node($names), $line); } protected function getPrimary() { $token = $this->parser->getCurrentToken(); if ($this->isUnary($token)) { $operator = $this->unaryOperators[$token->getValue()]; $this->parser->getStream()->next(); $expr = $this->parseExpression($operator['precedence']); $class = $operator['class']; return $this->parsePostfixExpression(new $class($expr, $token->getLine())); } elseif ($token->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '(')) { $this->parser->getStream()->next(); $expr = $this->parseExpression(); $this->parser->getStream()->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ')', 'An opened parenthesis is not properly closed'); return $this->parsePostfixExpression($expr); } return $this->parsePrimaryExpression(); } protected function parseConditionalExpression($expr) { while ($this->parser->getStream()->nextIf(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '?')) { if (!$this->parser->getStream()->nextIf(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ':')) { $expr2 = $this->parseExpression(); if ($this->parser->getStream()->nextIf(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ':')) { $expr3 = $this->parseExpression(); } else { $expr3 = new \WPML\Core\Twig\Node\Expression\ConstantExpression('', $this->parser->getCurrentToken()->getLine()); } } else { $expr2 = $expr; $expr3 = $this->parseExpression(); } $expr = new \WPML\Core\Twig\Node\Expression\ConditionalExpression($expr, $expr2, $expr3, $this->parser->getCurrentToken()->getLine()); } return $expr; } protected function isUnary(\WPML\Core\Twig\Token $token) { return $token->test(\WPML\Core\Twig\Token::OPERATOR_TYPE) && isset($this->unaryOperators[$token->getValue()]); } protected function isBinary(\WPML\Core\Twig\Token $token) { return $token->test(\WPML\Core\Twig\Token::OPERATOR_TYPE) && isset($this->binaryOperators[$token->getValue()]); } public function parsePrimaryExpression() { $token = $this->parser->getCurrentToken(); switch ($token->getType()) { case \WPML\Core\Twig\Token::NAME_TYPE: $this->parser->getStream()->next(); switch ($token->getValue()) { case 'true': case 'TRUE': $node = new \WPML\Core\Twig\Node\Expression\ConstantExpression(\true, $token->getLine()); break; case 'false': case 'FALSE': $node = new \WPML\Core\Twig\Node\Expression\ConstantExpression(\false, $token->getLine()); break; case 'none': case 'NONE': case 'null': case 'NULL': $node = new \WPML\Core\Twig\Node\Expression\ConstantExpression(null, $token->getLine()); break; default: if ('(' === $this->parser->getCurrentToken()->getValue()) { $node = $this->getFunctionNode($token->getValue(), $token->getLine()); } else { $node = new \WPML\Core\Twig\Node\Expression\NameExpression($token->getValue(), $token->getLine()); } } break; case \WPML\Core\Twig\Token::NUMBER_TYPE: $this->parser->getStream()->next(); $node = new \WPML\Core\Twig\Node\Expression\ConstantExpression($token->getValue(), $token->getLine()); break; case \WPML\Core\Twig\Token::STRING_TYPE: case \WPML\Core\Twig\Token::INTERPOLATION_START_TYPE: $node = $this->parseStringExpression(); break; case \WPML\Core\Twig\Token::OPERATOR_TYPE: if (\preg_match(\WPML\Core\Twig\Lexer::REGEX_NAME, $token->getValue(), $matches) && $matches[0] == $token->getValue()) { // in this context, string operators are variable names $this->parser->getStream()->next(); $node = new \WPML\Core\Twig\Node\Expression\NameExpression($token->getValue(), $token->getLine()); break; } elseif (isset($this->unaryOperators[$token->getValue()])) { $class = $this->unaryOperators[$token->getValue()]['class']; $ref = new \ReflectionClass($class); $negClass = 'WPML\\Core\\Twig\\Node\\Expression\\Unary\\NegUnary'; $posClass = 'WPML\\Core\\Twig\\Node\\Expression\\Unary\\PosUnary'; if (!(\in_array($ref->getName(), [$negClass, $posClass, 'Twig_Node_Expression_Unary_Neg', 'Twig_Node_Expression_Unary_Pos']) \|\| $ref->isSubclassOf($negClass) \|\| $ref->isSubclassOf($posClass) \|\| $ref->isSubclassOf('Twig_Node_Expression_Unary_Neg') \|\| $ref->isSubclassOf('Twig_Node_Expression_Unary_Pos'))) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unexpected unary operator "%s".', $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext()); } $this->parser->getStream()->next(); $expr = $this->parsePrimaryExpression(); $node = new $class($expr, $token->getLine()); break; } // no break default: if ($token->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '[')) { $node = $this->parseArrayExpression(); } elseif ($token->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '{')) { $node = $this->parseHashExpression(); } elseif ($token->test(\WPML\Core\Twig\Token::OPERATOR_TYPE, '=') && ('==' === $this->parser->getStream()->look(-1)->getValue() \|\| '!=' === $this->parser->getStream()->look(-1)->getValue())) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unexpected operator of value "%s". Did you try to use "===" or "!==" for strict comparison? Use "is same as(value)" instead.', $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext()); } else { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unexpected token "%s" of value "%s".', \WPML\Core\Twig\Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext()); } } return $this->parsePostfixExpression($node); } public function parseStringExpression() { $stream = $this->parser->getStream(); $nodes = []; // a string cannot be followed by another string in a single expression $nextCanBeString = \true; while (\true) { if ($nextCanBeString && ($token = $stream->nextIf(\WPML\Core\Twig\Token::STRING_TYPE))) { $nodes[] = new \WPML\Core\Twig\Node\Expression\ConstantExpression($token->getValue(), $token->getLine()); $nextCanBeString = \false; } elseif ($stream->nextIf(\WPML\Core\Twig\Token::INTERPOLATION_START_TYPE)) { $nodes[] = $this->parseExpression(); $stream->expect(\WPML\Core\Twig\Token::INTERPOLATION_END_TYPE); $nextCanBeString = \true; } else { break; } } $expr = \array_shift($nodes); foreach ($nodes as $node) { $expr = new \WPML\Core\Twig\Node\Expression\Binary\ConcatBinary($expr, $node, $node->getTemplateLine()); } return $expr; } public function parseArrayExpression() { $stream = $this->parser->getStream(); $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '[', 'An array element was expected'); $node = new \WPML\Core\Twig\Node\Expression\ArrayExpression([], $stream->getCurrent()->getLine()); $first = \true; while (!$stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ']')) { if (!$first) { $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ',', 'An array element must be followed by a comma'); // trailing ,? if ($stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ']')) { break; } } $first = \false; $node->addElement($this->parseExpression()); } $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ']', 'An opened array is not properly closed'); return $node; } public function parseHashExpression() { $stream = $this->parser->getStream(); $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '{', 'A hash element was expected'); $node = new \WPML\Core\Twig\Node\Expression\ArrayExpression([], $stream->getCurrent()->getLine()); $first = \true; while (!$stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '}')) { if (!$first) { $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ',', 'A hash value must be followed by a comma'); // trailing ,? if ($stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '}')) { break; } } $first = \false; // a hash key can be: // // a number -- 12 // * a string -- 'a' // * a name, which is equivalent to a string -- a // * an expression, which must be enclosed in parentheses -- (1 + 2) if (($token = $stream->nextIf(\WPML\Core\Twig\Token::STRING_TYPE)) \|\| ($token = $stream->nextIf(\WPML\Core\Twig\Token::NAME_TYPE)) \|\| ($token = $stream->nextIf(\WPML\Core\Twig\Token::NUMBER_TYPE))) { $key = new \WPML\Core\Twig\Node\Expression\ConstantExpression($token->getValue(), $token->getLine()); } elseif ($stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '(')) { $key = $this->parseExpression(); } else { $current = $stream->getCurrent(); throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "%s" of value "%s".', \WPML\Core\Twig\Token::typeToEnglish($current->getType()), $current->getValue()), $current->getLine(), $stream->getSourceContext()); } $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ':', 'A hash key must be followed by a colon (:)'); $value = $this->parseExpression(); $node->addElement($value, $key); } $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '}', 'An opened hash is not properly closed'); return $node; } public function parsePostfixExpression($node) { while (\true) { $token = $this->parser->getCurrentToken(); if (\WPML\Core\Twig\Token::PUNCTUATION_TYPE == $token->getType()) { if ('.' == $token->getValue() \|\| '[' == $token->getValue()) { $node = $this->parseSubscriptExpression($node); } elseif ('\|' == $token->getValue()) { $node = $this->parseFilterExpression($node); } else { break; } } else { break; } } return $node; } public function getFunctionNode($name, $line) { switch ($name) { case 'parent': $this->parseArguments(); if (!\count($this->parser->getBlockStack())) { throw new \WPML\Core\Twig\Error\SyntaxError('Calling "parent" outside a block is forbidden.', $line, $this->parser->getStream()->getSourceContext()); } if (!$this->parser->getParent() && !$this->parser->hasTraits()) { throw new \WPML\Core\Twig\Error\SyntaxError('Calling "parent" on a template that does not extend nor "use" another template is forbidden.', $line, $this->parser->getStream()->getSourceContext()); } return new \WPML\Core\Twig\Node\Expression\ParentExpression($this->parser->peekBlockStack(), $line); case 'block': $args = $this->parseArguments(); if (\count($args) < 1) { throw new \WPML\Core\Twig\Error\SyntaxError('The "block" function takes one argument (the block name).', $line, $this->parser->getStream()->getSourceContext()); } return new \WPML\Core\Twig\Node\Expression\BlockReferenceExpression($args->getNode(0), \count($args) > 1 ? $args->getNode(1) : null, $line); case 'attribute': $args = $this->parseArguments(); if (\count($args) < 2) { throw new \WPML\Core\Twig\Error\SyntaxError('The "attribute" function takes at least two arguments (the variable and the attributes).', $line, $this->parser->getStream()->getSourceContext()); } return new \WPML\Core\Twig\Node\Expression\GetAttrExpression($args->getNode(0), $args->getNode(1), \count($args) > 2 ? $args->getNode(2) : null, \WPML\Core\Twig\Template::ANY_CALL, $line); default: if (null !== ($alias = $this->parser->getImportedSymbol('function', $name))) { $arguments = new \WPML\Core\Twig\Node\Expression\ArrayExpression([], $line); foreach ($this->parseArguments() as $n) { $arguments->addElement($n); } $node = new \WPML\Core\Twig\Node\Expression\MethodCallExpression($alias['node'], $alias['name'], $arguments, $line); $node->setAttribute('safe', \true); return $node; } $args = $this->parseArguments(\true); $class = $this->getFunctionNodeClass($name, $line); return new $class($name, $args, $line); } } public function parseSubscriptExpression($node) { $stream = $this->parser->getStream(); $token = $stream->next(); $lineno = $token->getLine(); $arguments = new \WPML\Core\Twig\Node\Expression\ArrayExpression([], $lineno); $type = \WPML\Core\Twig\Template::ANY_CALL; if ('.' == $token->getValue()) { $token = $stream->next(); if (\WPML\Core\Twig\Token::NAME_TYPE == $token->getType() \|\| \WPML\Core\Twig\Token::NUMBER_TYPE == $token->getType() \|\| \WPML\Core\Twig\Token::OPERATOR_TYPE == $token->getType() && \preg_match(\WPML\Core\Twig\Lexer::REGEX_NAME, $token->getValue())) { $arg = new \WPML\Core\Twig\Node\Expression\ConstantExpression($token->getValue(), $lineno); if ($stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '(')) { $type = \WPML\Core\Twig\Template::METHOD_CALL; foreach ($this->parseArguments() as $n) { $arguments->addElement($n); } } } else { throw new \WPML\Core\Twig\Error\SyntaxError('Expected name or number.', $lineno, $stream->getSourceContext()); } if ($node instanceof \WPML\Core\Twig\Node\Expression\NameExpression && null !== $this->parser->getImportedSymbol('template', $node->getAttribute('name'))) { if (!$arg instanceof \WPML\Core\Twig\Node\Expression\ConstantExpression) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Dynamic macro names are not supported (called on "%s").', $node->getAttribute('name')), $token->getLine(), $stream->getSourceContext()); } $name = $arg->getAttribute('value'); if ($this->parser->isReservedMacroName($name)) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('"%s" cannot be called as macro as it is a reserved keyword.', $name), $token->getLine(), $stream->getSourceContext()); } $node = new \WPML\Core\Twig\Node\Expression\MethodCallExpression($node, 'get' . $name, $arguments, $lineno); $node->setAttribute('safe', \true); return $node; } } else { $type = \WPML\Core\Twig\Template::ARRAY_CALL; // slice? $slice = \false; if ($stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ':')) { $slice = \true; $arg = new \WPML\Core\Twig\Node\Expression\ConstantExpression(0, $token->getLine()); } else { $arg = $this->parseExpression(); } if ($stream->nextIf(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ':')) { $slice = \true; } if ($slice) { if ($stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ']')) { $length = new \WPML\Core\Twig\Node\Expression\ConstantExpression(null, $token->getLine()); } else { $length = $this->parseExpression(); } $class = $this->getFilterNodeClass('slice', $token->getLine()); $arguments = new \WPML\Core\Twig\Node\Node([$arg, $length]); $filter = new $class($node, new \WPML\Core\Twig\Node\Expression\ConstantExpression('slice', $token->getLine()), $arguments, $token->getLine()); $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ']'); return $filter; } $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ']'); } return new \WPML\Core\Twig\Node\Expression\GetAttrExpression($node, $arg, $arguments, $type, $lineno); } public function parseFilterExpression($node) { $this->parser->getStream()->next(); return $this->parseFilterExpressionRaw($node); } public function parseFilterExpressionRaw($node, $tag = null) { while (\true) { $token = $this->parser->getStream()->expect(\WPML\Core\Twig\Token::NAME_TYPE); $name = new \WPML\Core\Twig\Node\Expression\ConstantExpression($token->getValue(), $token->getLine()); if (!$this->parser->getStream()->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '(')) { $arguments = new \WPML\Core\Twig\Node\Node(); } else { $arguments = $this->parseArguments(\true, \false, \true); } $class = $this->getFilterNodeClass($name->getAttribute('value'), $token->getLine()); $node = new $class($node, $name, $arguments, $token->getLine(), $tag); if (!$this->parser->getStream()->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '\|')) { break; } $this->parser->getStream()->next(); } return $node; } /** * Parses arguments. * * @param bool $namedArguments Whether to allow named arguments or not * @param bool $definition Whether we are parsing arguments for a function definition * * @return Node * * @throws SyntaxError */ public function parseArguments($namedArguments = \false, $definition = \false, $allowArrow = \false) { $args = []; $stream = $this->parser->getStream(); $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '(', 'A list of arguments must begin with an opening parenthesis'); while (!$stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ')')) { if (!empty($args)) { $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ',', 'Arguments must be separated by a comma'); } if ($definition) { $token = $stream->expect(\WPML\Core\Twig\Token::NAME_TYPE, null, 'An argument must be a name'); $value = new \WPML\Core\Twig\Node\Expression\NameExpression($token->getValue(), $this->parser->getCurrentToken()->getLine()); } else { $value = $this->parseExpression(0, $allowArrow); } $name = null; if ($namedArguments && ($token = $stream->nextIf(\WPML\Core\Twig\Token::OPERATOR_TYPE, '='))) { if (!$value instanceof \WPML\Core\Twig\Node\Expression\NameExpression) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('A parameter name must be a string, "%s" given.', \get_class($value)), $token->getLine(), $stream->getSourceContext()); } $name = $value->getAttribute('name'); if ($definition) { $value = $this->parsePrimaryExpression(); if (!$this->checkConstantExpression($value)) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('A default value for an argument must be a constant (a boolean, a string, a number, or an array).'), $token->getLine(), $stream->getSourceContext()); } } else { $value = $this->parseExpression(0, $allowArrow); } } if ($definition) { if (null === $name) { $name = $value->getAttribute('name'); $value = new \WPML\Core\Twig\Node\Expression\ConstantExpression(null, $this->parser->getCurrentToken()->getLine()); } $args[$name] = $value; } else { if (null === $name) { $args[] = $value; } else { $args[$name] = $value; } } } $stream->expect(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ')', 'A list of arguments must be closed by a parenthesis'); return new \WPML\Core\Twig\Node\Node($args); } public function parseAssignmentExpression() { $stream = $this->parser->getStream(); $targets = []; while (\true) { $token = $this->parser->getCurrentToken(); if ($stream->test(\WPML\Core\Twig\Token::OPERATOR_TYPE) && \preg_match(\WPML\Core\Twig\Lexer::REGEX_NAME, $token->getValue())) { // in this context, string operators are variable names $this->parser->getStream()->next(); } else { $stream->expect(\WPML\Core\Twig\Token::NAME_TYPE, null, 'Only variables can be assigned to'); } $value = $token->getValue(); if (\in_array(\strtolower($value), ['true', 'false', 'none', 'null'])) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('You cannot assign a value to "%s".', $value), $token->getLine(), $stream->getSourceContext()); } $targets[] = new \WPML\Core\Twig\Node\Expression\AssignNameExpression($value, $token->getLine()); if (!$stream->nextIf(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ',')) { break; } } return new \WPML\Core\Twig\Node\Node($targets); } public function parseMultitargetExpression() { $targets = []; while (\true) { $targets[] = $this->parseExpression(); if (!$this->parser->getStream()->nextIf(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, ',')) { break; } } return new \WPML\Core\Twig\Node\Node($targets); } private function parseNotTestExpression(\WPML\Core\Twig_NodeInterface $node) { return new \WPML\Core\Twig\Node\Expression\Unary\NotUnary($this->parseTestExpression($node), $this->parser->getCurrentToken()->getLine()); } private function parseTestExpression(\WPML\Core\Twig_NodeInterface $node) { $stream = $this->parser->getStream(); list($name, $test) = $this->getTest($node->getTemplateLine()); $class = $this->getTestNodeClass($test); $arguments = null; if ($stream->test(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, '(')) { $arguments = $this->parseArguments(\true); } return new $class($node, $name, $arguments, $this->parser->getCurrentToken()->getLine()); } private function getTest($line) { $stream = $this->parser->getStream(); $name = $stream->expect(\WPML\Core\Twig\Token::NAME_TYPE)->getValue(); if ($test = $this->env->getTest($name)) { return [$name, $test]; } if ($stream->test(\WPML\Core\Twig\Token::NAME_TYPE)) { // try 2-words tests $name = $name . ' ' . $this->parser->getCurrentToken()->getValue(); if ($test = $this->env->getTest($name)) { $stream->next(); return [$name, $test]; } } $e = new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unknown "%s" test.', $name), $line, $stream->getSourceContext()); $e->addSuggestions($name, \array_keys($this->env->getTests())); throw $e; } private function getTestNodeClass($test) { if ($test instanceof \WPML\Core\Twig\TwigTest && $test->isDeprecated()) { $stream = $this->parser->getStream(); $message = \sprintf('Twig Test "%s" is deprecated', $test->getName()); if (!\is_bool($test->getDeprecatedVersion())) { $message .= \sprintf(' since version %s', $test->getDeprecatedVersion()); } if ($test->getAlternative()) { $message .= \sprintf('. Use "%s" instead', $test->getAlternative()); } $src = $stream->getSourceContext(); $message .= \sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $stream->getCurrent()->getLine()); @\trigger_error($message, \E_USER_DEPRECATED); } if ($test instanceof \WPML\Core\Twig\TwigTest) { return $test->getNodeClass(); } return $test instanceof \WPML\Core\Twig_Test_Node ? $test->getClass() : 'Twig\\Node\\Expression\\TestExpression'; } protected function getFunctionNodeClass($name, $line) { if (\false === ($function = $this->env->getFunction($name))) { $e = new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unknown "%s" function.', $name), $line, $this->parser->getStream()->getSourceContext()); $e->addSuggestions($name, \array_keys($this->env->getFunctions())); throw $e; } if ($function instanceof \WPML\Core\Twig\TwigFunction && $function->isDeprecated()) { $message = \sprintf('Twig Function "%s" is deprecated', $function->getName()); if (!\is_bool($function->getDeprecatedVersion())) { $message .= \sprintf(' since version %s', $function->getDeprecatedVersion()); } if ($function->getAlternative()) { $message .= \sprintf('. Use "%s" instead', $function->getAlternative()); } $src = $this->parser->getStream()->getSourceContext(); $message .= \sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $line); @\trigger_error($message, \E_USER_DEPRECATED); } if ($function instanceof \WPML\Core\Twig\TwigFunction) { return $function->getNodeClass(); } return $function instanceof \WPML\Core\Twig_Function_Node ? $function->getClass() : 'Twig\\Node\\Expression\\FunctionExpression'; } protected function getFilterNodeClass($name, $line) { if (\false === ($filter = $this->env->getFilter($name))) { $e = new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unknown "%s" filter.', $name), $line, $this->parser->getStream()->getSourceContext()); $e->addSuggestions($name, \array_keys($this->env->getFilters())); throw $e; } if ($filter instanceof \WPML\Core\Twig\TwigFilter && $filter->isDeprecated()) { $message = \sprintf('Twig Filter "%s" is deprecated', $filter->getName()); if (!\is_bool($filter->getDeprecatedVersion())) { $message .= \sprintf(' since version %s', $filter->getDeprecatedVersion()); } if ($filter->getAlternative()) { $message .= \sprintf('. Use "%s" instead', $filter->getAlternative()); } $src = $this->parser->getStream()->getSourceContext(); $message .= \sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $line); @\trigger_error($message, \E_USER_DEPRECATED); } if ($filter instanceof \WPML\Core\Twig\TwigFilter) { return $filter->getNodeClass(); } return $filter instanceof \WPML\Core\Twig_Filter_Node ? $filter->getClass() : 'Twig\\Node\\Expression\\FilterExpression'; } // checks that the node only contains "constant" elements protected function checkConstantExpression(\WPML\Core\Twig_NodeInterface $node) { if (!($node instanceof \WPML\Core\Twig\Node\Expression\ConstantExpression \|\| $node instanceof \WPML\Core\Twig\Node\Expression\ArrayExpression \|\| $node instanceof \WPML\Core\Twig\Node\Expression\Unary\NegUnary \|\| $node instanceof \WPML\Core\Twig\Node\Expression\Unary\PosUnary)) { return \false; } foreach ($node as $n) { if (!$this->checkConstantExpression($n)) { return \false; } } return \true; } } \class_alias('WPML\\Core\\Twig\\ExpressionParser', 'WPML\\Core\\Twig_ExpressionParser');

| ver. 1.4 | Github | . | PHP 7.4.3-4ubuntu2.24 | Генерация страницы: 0 | proxy | phpinfo | Настройка