Файловый менеджер

Файловый менеджер - Редактировать - /var/www/xthruster/html/wp-content/plugins/sitepress-multilingual-cms/lib/twig/src/Lexer.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; /* * Lexes a template string. * * @author Fabien Potencier <fabien@symfony.com> / class Lexer implements \WPML\Core\Twig_LexerInterface { protected $tokens; protected $code; protected $cursor; protected $lineno; protected $end; protected $state; protected $states; protected $brackets; protected $env; // to be renamed to $name in 2.0 (where it is private) protected $filename; protected $options; protected $regexes; protected $position; protected $positions; protected $currentVarBlockLine; private $source; const STATE_DATA = 0; const STATE_BLOCK = 1; const STATE_VAR = 2; const STATE_STRING = 3; const STATE_INTERPOLATION = 4; const REGEX_NAME = '/[a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]/A'; const REGEX_NUMBER = '/[0-9]+(?:\\.[0-9]+)?([Ee][\\+\\-][0-9]+)?/A'; const REGEX_STRING = '/"([^#"\\\\](?:\\\\.[^#"\\\\]))"\|\'([^\'\\\\](?:\\\\.[^\'\\\\]))\'/As'; const REGEX_DQ_STRING_DELIM = '/"/A'; const REGEX_DQ_STRING_PART = '/[^#"\\\\](?:(?:\\\\.\|#(?!\\{))[^#"\\\\])/As'; const PUNCTUATION = '()[]{}?:.,\|'; public function __construct(\WPML\Core\Twig\Environment $env, array $options = []) { $this->env = $env; $this->options = \array_merge(['tag_comment' => ['{#', '#}'], 'tag_block' => ['{%', '%}'], 'tag_variable' => ['{{', '}}'], 'whitespace_trim' => '-', 'whitespace_line_trim' => '~', 'whitespace_line_chars' => ' \\t\\0\\x0B', 'interpolation' => ['#{', '}']], $options); // when PHP 7.3 is the min version, we will be able to remove the '#' part in preg_quote as it's part of the default $this->regexes = [ // }} 'lex_var' => '{ \\s (?:' . \preg_quote($this->options['whitespace_trim'] . $this->options['tag_variable'][1], '#') . '\\s' . '\|' . \preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_variable'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']' . '\|' . \preg_quote($this->options['tag_variable'][1], '#') . ') }Ax', // %} 'lex_block' => '{ \\s* (?:' . \preg_quote($this->options['whitespace_trim'] . $this->options['tag_block'][1], '#') . '\\s\\n?' . '\|' . \preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_block'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']' . '\|' . \preg_quote($this->options['tag_block'][1], '#') . '\\n?' . ') }Ax', // {% endverbatim %} 'lex_raw_data' => '{' . \preg_quote($this->options['tag_block'][0], '#') . '(' . $this->options['whitespace_trim'] . '\|' . $this->options['whitespace_line_trim'] . ')?\\s' . '(?:end%s)' . '\\s' . '(?:' . \preg_quote($this->options['whitespace_trim'] . $this->options['tag_block'][1], '#') . '\\s' . '\|' . \preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_block'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']' . '\|' . \preg_quote($this->options['tag_block'][1], '#') . ') }sx', 'operator' => $this->getOperatorRegex(), // #} 'lex_comment' => '{ (?:' . \preg_quote($this->options['whitespace_trim']) . \preg_quote($this->options['tag_comment'][1], '#') . '\\s\\n?' . '\|' . \preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_comment'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']' . '\|' . \preg_quote($this->options['tag_comment'][1], '#') . '\\n?' . ') }sx', // verbatim %} 'lex_block_raw' => '{ \\s* (raw\|verbatim) \\s* (?:' . \preg_quote($this->options['whitespace_trim'] . $this->options['tag_block'][1], '#') . '\\s' . '\|' . \preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_block'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']' . '\|' . \preg_quote($this->options['tag_block'][1], '#') . ') }Asx', 'lex_block_line' => '{\\sline\\s+(\\d+)\\s' . \preg_quote($this->options['tag_block'][1], '#') . '}As', // {{ or {% or {# 'lex_tokens_start' => '{ (' . \preg_quote($this->options['tag_variable'][0], '#') . '\|' . \preg_quote($this->options['tag_block'][0], '#') . '\|' . \preg_quote($this->options['tag_comment'][0], '#') . ')(' . \preg_quote($this->options['whitespace_trim'], '#') . '\|' . \preg_quote($this->options['whitespace_line_trim'], '#') . ')? }sx', 'interpolation_start' => '{' . \preg_quote($this->options['interpolation'][0], '#') . '\\s}A', 'interpolation_end' => '{\\s' . \preg_quote($this->options['interpolation'][1], '#') . '}A', ]; } public function tokenize($code, $name = null) { if (!$code instanceof \WPML\Core\Twig\Source) { @\trigger_error(\sprintf('Passing a string as the $code argument of %s() is deprecated since version 1.27 and will be removed in 2.0. Pass a \\Twig\\Source instance instead.', __METHOD__), \E_USER_DEPRECATED); $this->source = new \WPML\Core\Twig\Source($code, $name); } else { $this->source = $code; } if ((int) \ini_get('mbstring.func_overload') & 2) { @\trigger_error('Support for having "mbstring.func_overload" different from 0 is deprecated version 1.29 and will be removed in 2.0.', \E_USER_DEPRECATED); } if (\function_exists('mb_internal_encoding') && (int) \ini_get('mbstring.func_overload') & 2) { $mbEncoding = \mb_internal_encoding(); \mb_internal_encoding('ASCII'); } else { $mbEncoding = null; } $this->code = \str_replace(["\r\n", "\r"], "\n", $this->source->getCode()); $this->filename = $this->source->getName(); $this->cursor = 0; $this->lineno = 1; $this->end = \strlen($this->code); $this->tokens = []; $this->state = self::STATE_DATA; $this->states = []; $this->brackets = []; $this->position = -1; // find all token starts in one go \preg_match_all($this->regexes['lex_tokens_start'], $this->code, $matches, \PREG_OFFSET_CAPTURE); $this->positions = $matches; while ($this->cursor < $this->end) { // dispatch to the lexing functions depending // on the current state switch ($this->state) { case self::STATE_DATA: $this->lexData(); break; case self::STATE_BLOCK: $this->lexBlock(); break; case self::STATE_VAR: $this->lexVar(); break; case self::STATE_STRING: $this->lexString(); break; case self::STATE_INTERPOLATION: $this->lexInterpolation(); break; } } $this->pushToken(\WPML\Core\Twig\Token::EOF_TYPE); if (!empty($this->brackets)) { list($expect, $lineno) = \array_pop($this->brackets); throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unclosed "%s".', $expect), $lineno, $this->source); } if ($mbEncoding) { \mb_internal_encoding($mbEncoding); } return new \WPML\Core\Twig\TokenStream($this->tokens, $this->source); } protected function lexData() { // if no matches are left we return the rest of the template as simple text token if ($this->position == \count($this->positions[0]) - 1) { $this->pushToken(\WPML\Core\Twig\Token::TEXT_TYPE, \substr($this->code, $this->cursor)); $this->cursor = $this->end; return; } // Find the first token after the current cursor $position = $this->positions[0][++$this->position]; while ($position[1] < $this->cursor) { if ($this->position == \count($this->positions[0]) - 1) { return; } $position = $this->positions[0][++$this->position]; } // push the template text first $text = $textContent = \substr($this->code, $this->cursor, $position[1] - $this->cursor); // trim? if (isset($this->positions[2][$this->position][0])) { if ($this->options['whitespace_trim'] === $this->positions[2][$this->position][0]) { // whitespace_trim detected ({%-, {{- or {#-) $text = \rtrim($text); } elseif ($this->options['whitespace_line_trim'] === $this->positions[2][$this->position][0]) { // whitespace_line_trim detected ({%~, {{~ or {#~) // don't trim \r and \n $text = \rtrim($text, " \t\0\v"); } } $this->pushToken(\WPML\Core\Twig\Token::TEXT_TYPE, $text); $this->moveCursor($textContent . $position[0]); switch ($this->positions[1][$this->position][0]) { case $this->options['tag_comment'][0]: $this->lexComment(); break; case $this->options['tag_block'][0]: // raw data? if (\preg_match($this->regexes['lex_block_raw'], $this->code, $match, 0, $this->cursor)) { $this->moveCursor($match[0]); $this->lexRawData($match[1]); // {% line \d+ %} } elseif (\preg_match($this->regexes['lex_block_line'], $this->code, $match, 0, $this->cursor)) { $this->moveCursor($match[0]); $this->lineno = (int) $match[1]; } else { $this->pushToken(\WPML\Core\Twig\Token::BLOCK_START_TYPE); $this->pushState(self::STATE_BLOCK); $this->currentVarBlockLine = $this->lineno; } break; case $this->options['tag_variable'][0]: $this->pushToken(\WPML\Core\Twig\Token::VAR_START_TYPE); $this->pushState(self::STATE_VAR); $this->currentVarBlockLine = $this->lineno; break; } } protected function lexBlock() { if (empty($this->brackets) && \preg_match($this->regexes['lex_block'], $this->code, $match, 0, $this->cursor)) { $this->pushToken(\WPML\Core\Twig\Token::BLOCK_END_TYPE); $this->moveCursor($match[0]); $this->popState(); } else { $this->lexExpression(); } } protected function lexVar() { if (empty($this->brackets) && \preg_match($this->regexes['lex_var'], $this->code, $match, 0, $this->cursor)) { $this->pushToken(\WPML\Core\Twig\Token::VAR_END_TYPE); $this->moveCursor($match[0]); $this->popState(); } else { $this->lexExpression(); } } protected function lexExpression() { // whitespace if (\preg_match('/\\s+/A', $this->code, $match, 0, $this->cursor)) { $this->moveCursor($match[0]); if ($this->cursor >= $this->end) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unclosed "%s".', self::STATE_BLOCK === $this->state ? 'block' : 'variable'), $this->currentVarBlockLine, $this->source); } } // arrow function if ('=' === $this->code[$this->cursor] && '>' === $this->code[$this->cursor + 1]) { $this->pushToken(\WPML\Core\Twig\Token::ARROW_TYPE, '=>'); $this->moveCursor('=>'); } elseif (\preg_match($this->regexes['operator'], $this->code, $match, 0, $this->cursor)) { $this->pushToken(\WPML\Core\Twig\Token::OPERATOR_TYPE, \preg_replace('/\\s+/', ' ', $match[0])); $this->moveCursor($match[0]); } elseif (\preg_match(self::REGEX_NAME, $this->code, $match, 0, $this->cursor)) { $this->pushToken(\WPML\Core\Twig\Token::NAME_TYPE, $match[0]); $this->moveCursor($match[0]); } elseif (\preg_match(self::REGEX_NUMBER, $this->code, $match, 0, $this->cursor)) { $number = (float) $match[0]; // floats if (\ctype_digit($match[0]) && $number <= \PHP_INT_MAX) { $number = (int) $match[0]; // integers lower than the maximum } $this->pushToken(\WPML\Core\Twig\Token::NUMBER_TYPE, $number); $this->moveCursor($match[0]); } elseif (\false !== \strpos(self::PUNCTUATION, $this->code[$this->cursor])) { // opening bracket if (\false !== \strpos('([{', $this->code[$this->cursor])) { $this->brackets[] = [$this->code[$this->cursor], $this->lineno]; } elseif (\false !== \strpos(')]}', $this->code[$this->cursor])) { if (empty($this->brackets)) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unexpected "%s".', $this->code[$this->cursor]), $this->lineno, $this->source); } list($expect, $lineno) = \array_pop($this->brackets); if ($this->code[$this->cursor] != \strtr($expect, '([{', ')]}')) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unclosed "%s".', $expect), $lineno, $this->source); } } $this->pushToken(\WPML\Core\Twig\Token::PUNCTUATION_TYPE, $this->code[$this->cursor]); ++$this->cursor; } elseif (\preg_match(self::REGEX_STRING, $this->code, $match, 0, $this->cursor)) { $this->pushToken(\WPML\Core\Twig\Token::STRING_TYPE, \stripcslashes(\substr($match[0], 1, -1))); $this->moveCursor($match[0]); } elseif (\preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, 0, $this->cursor)) { $this->brackets[] = ['"', $this->lineno]; $this->pushState(self::STATE_STRING); $this->moveCursor($match[0]); } else { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unexpected character "%s".', $this->code[$this->cursor]), $this->lineno, $this->source); } } protected function lexRawData($tag) { if ('raw' === $tag) { @\trigger_error(\sprintf('Twig Tag "raw" is deprecated since version 1.21. Use "verbatim" instead in %s at line %d.', $this->filename, $this->lineno), \E_USER_DEPRECATED); } if (!\preg_match(\str_replace('%s', $tag, $this->regexes['lex_raw_data']), $this->code, $match, \PREG_OFFSET_CAPTURE, $this->cursor)) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unexpected end of file: Unclosed "%s" block.', $tag), $this->lineno, $this->source); } $text = \substr($this->code, $this->cursor, $match[0][1] - $this->cursor); $this->moveCursor($text . $match[0][0]); // trim? if (isset($match[1][0])) { if ($this->options['whitespace_trim'] === $match[1][0]) { // whitespace_trim detected ({%-, {{- or {#-) $text = \rtrim($text); } else { // whitespace_line_trim detected ({%~, {{~ or {#~) // don't trim \r and \n $text = \rtrim($text, " \t\0\v"); } } $this->pushToken(\WPML\Core\Twig\Token::TEXT_TYPE, $text); } protected function lexComment() { if (!\preg_match($this->regexes['lex_comment'], $this->code, $match, \PREG_OFFSET_CAPTURE, $this->cursor)) { throw new \WPML\Core\Twig\Error\SyntaxError('Unclosed comment.', $this->lineno, $this->source); } $this->moveCursor(\substr($this->code, $this->cursor, $match[0][1] - $this->cursor) . $match[0][0]); } protected function lexString() { if (\preg_match($this->regexes['interpolation_start'], $this->code, $match, 0, $this->cursor)) { $this->brackets[] = [$this->options['interpolation'][0], $this->lineno]; $this->pushToken(\WPML\Core\Twig\Token::INTERPOLATION_START_TYPE); $this->moveCursor($match[0]); $this->pushState(self::STATE_INTERPOLATION); } elseif (\preg_match(self::REGEX_DQ_STRING_PART, $this->code, $match, 0, $this->cursor) && \strlen($match[0]) > 0) { $this->pushToken(\WPML\Core\Twig\Token::STRING_TYPE, \stripcslashes($match[0])); $this->moveCursor($match[0]); } elseif (\preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, 0, $this->cursor)) { list($expect, $lineno) = \array_pop($this->brackets); if ('"' != $this->code[$this->cursor]) { throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unclosed "%s".', $expect), $lineno, $this->source); } $this->popState(); ++$this->cursor; } else { // unlexable throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unexpected character "%s".', $this->code[$this->cursor]), $this->lineno, $this->source); } } protected function lexInterpolation() { $bracket = \end($this->brackets); if ($this->options['interpolation'][0] === $bracket[0] && \preg_match($this->regexes['interpolation_end'], $this->code, $match, 0, $this->cursor)) { \array_pop($this->brackets); $this->pushToken(\WPML\Core\Twig\Token::INTERPOLATION_END_TYPE); $this->moveCursor($match[0]); $this->popState(); } else { $this->lexExpression(); } } protected function pushToken($type, $value = '') { // do not push empty text tokens if (\WPML\Core\Twig\Token::TEXT_TYPE === $type && '' === $value) { return; } $this->tokens[] = new \WPML\Core\Twig\Token($type, $value, $this->lineno); } protected function moveCursor($text) { $this->cursor += \strlen($text); $this->lineno += \substr_count($text, "\n"); } protected function getOperatorRegex() { $operators = \array_merge(['='], \array_keys($this->env->getUnaryOperators()), \array_keys($this->env->getBinaryOperators())); $operators = \array_combine($operators, \array_map('strlen', $operators)); \arsort($operators); $regex = []; foreach ($operators as $operator => $length) { // an operator that ends with a character must be followed by // a whitespace or a parenthesis if (\ctype_alpha($operator[$length - 1])) { $r = \preg_quote($operator, '/') . '(?=[\\s()])'; } else { $r = \preg_quote($operator, '/'); } // an operator with a space can be any amount of whitespaces $r = \preg_replace('/\\s+/', '\\s+', $r); $regex[] = $r; } return '/' . \implode('\|', $regex) . '/A'; } protected function pushState($state) { $this->states[] = $this->state; $this->state = $state; } protected function popState() { if (0 === \count($this->states)) { throw new \LogicException('Cannot pop state without a previous state.'); } $this->state = \array_pop($this->states); } } \class_alias('WPML\\Core\\Twig\\Lexer', 'WPML\\Core\\Twig_Lexer');

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