pax_global_header00006660000000000000000000000064124036010010014475gustar00rootroot0000000000000052 comment=83893c552fd2045dd78aef794c31e694c37c0b8c lexer-1.0.1/000077500000000000000000000000001240360100100126135ustar00rootroot00000000000000lexer-1.0.1/LICENSE000066400000000000000000000020511240360100100136160ustar00rootroot00000000000000Copyright (c) 2006-2013 Doctrine Project Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. lexer-1.0.1/README.md000066400000000000000000000002531240360100100140720ustar00rootroot00000000000000# Doctrine Lexer Base library for a lexer that can be used in Top-Down, Recursive Descent Parsers. This lexer is used in Doctrine Annotations and in Doctrine ORM (DQL). lexer-1.0.1/composer.json000066400000000000000000000013421240360100100153350ustar00rootroot00000000000000{ "name": "doctrine/lexer", "type": "library", "description": "Base library for a lexer that can be used in Top-Down, Recursive Descent Parsers.", "keywords": ["lexer", "parser"], "homepage": "http://www.doctrine-project.org", "license": "MIT", "authors": [ {"name": "Guilherme Blanco", "email": "guilhermeblanco@gmail.com"}, {"name": "Roman Borschel", "email": "roman@code-factory.org"}, {"name": "Johannes Schmitt", "email": "schmittjoh@gmail.com"} ], "require": { "php": ">=5.3.2" }, "autoload": { "psr-0": { "Doctrine\\Common\\Lexer\\": "lib/" } }, "extra": { "branch-alias": { "dev-master": "1.0.x-dev" } } } lexer-1.0.1/lib/000077500000000000000000000000001240360100100133615ustar00rootroot00000000000000lexer-1.0.1/lib/Doctrine/000077500000000000000000000000001240360100100151305ustar00rootroot00000000000000lexer-1.0.1/lib/Doctrine/Common/000077500000000000000000000000001240360100100163605ustar00rootroot00000000000000lexer-1.0.1/lib/Doctrine/Common/Lexer/000077500000000000000000000000001240360100100174375ustar00rootroot00000000000000lexer-1.0.1/lib/Doctrine/Common/Lexer/AbstractLexer.php000066400000000000000000000176241240360100100227250ustar00rootroot00000000000000. */ namespace Doctrine\Common\Lexer; /** * Base class for writing simple lexers, i.e. for creating small DSLs. * * @since 2.0 * @author Guilherme Blanco * @author Jonathan Wage * @author Roman Borschel */ abstract class AbstractLexer { /** * Lexer original input string. * * @var string */ private $input; /** * Array of scanned tokens. * * Each token is an associative array containing three items: * - 'value' : the string value of the token in the input string * - 'type' : the type of the token (identifier, numeric, string, input * parameter, none) * - 'position' : the position of the token in the input string * * @var array */ private $tokens = array(); /** * Current lexer position in input string. * * @var integer */ private $position = 0; /** * Current peek of current lexer position. * * @var integer */ private $peek = 0; /** * The next token in the input. * * @var array */ public $lookahead; /** * The last matched/seen token. * * @var array */ public $token; /** * Sets the input data to be tokenized. * * The Lexer is immediately reset and the new input tokenized. * Any unprocessed tokens from any previous input are lost. * * @param string $input The input to be tokenized. * * @return void */ public function setInput($input) { $this->input = $input; $this->tokens = array(); $this->reset(); $this->scan($input); } /** * Resets the lexer. * * @return void */ public function reset() { $this->lookahead = null; $this->token = null; $this->peek = 0; $this->position = 0; } /** * Resets the peek pointer to 0. * * @return void */ public function resetPeek() { $this->peek = 0; } /** * Resets the lexer position on the input to the given position. * * @param integer $position Position to place the lexical scanner. * * @return void */ public function resetPosition($position = 0) { $this->position = $position; } /** * Retrieve the original lexer's input until a given position. * * @param integer $position * * @return string */ public function getInputUntilPosition($position) { return substr($this->input, 0, $position); } /** * Checks whether a given token matches the current lookahead. * * @param integer|string $token * * @return boolean */ public function isNextToken($token) { return null !== $this->lookahead && $this->lookahead['type'] === $token; } /** * Checks whether any of the given tokens matches the current lookahead. * * @param array $tokens * * @return boolean */ public function isNextTokenAny(array $tokens) { return null !== $this->lookahead && in_array($this->lookahead['type'], $tokens, true); } /** * Moves to the next token in the input string. * * @return boolean */ public function moveNext() { $this->peek = 0; $this->token = $this->lookahead; $this->lookahead = (isset($this->tokens[$this->position])) ? $this->tokens[$this->position++] : null; return $this->lookahead !== null; } /** * Tells the lexer to skip input tokens until it sees a token with the given value. * * @param string $type The token type to skip until. * * @return void */ public function skipUntil($type) { while ($this->lookahead !== null && $this->lookahead['type'] !== $type) { $this->moveNext(); } } /** * Checks if given value is identical to the given token. * * @param mixed $value * @param integer $token * * @return boolean */ public function isA($value, $token) { return $this->getType($value) === $token; } /** * Moves the lookahead token forward. * * @return array|null The next token or NULL if there are no more tokens ahead. */ public function peek() { if (isset($this->tokens[$this->position + $this->peek])) { return $this->tokens[$this->position + $this->peek++]; } else { return null; } } /** * Peeks at the next token, returns it and immediately resets the peek. * * @return array|null The next token or NULL if there are no more tokens ahead. */ public function glimpse() { $peek = $this->peek(); $this->peek = 0; return $peek; } /** * Scans the input string for tokens. * * @param string $input A query string. * * @return void */ protected function scan($input) { static $regex; if ( ! isset($regex)) { $regex = sprintf( '/(%s)|%s/%s', implode(')|(', $this->getCatchablePatterns()), implode('|', $this->getNonCatchablePatterns()), $this->getModifiers() ); } $flags = PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_OFFSET_CAPTURE; $matches = preg_split($regex, $input, -1, $flags); foreach ($matches as $match) { // Must remain before 'value' assignment since it can change content $type = $this->getType($match[0]); $this->tokens[] = array( 'value' => $match[0], 'type' => $type, 'position' => $match[1], ); } } /** * Gets the literal for a given token. * * @param integer $token * * @return string */ public function getLiteral($token) { $className = get_class($this); $reflClass = new \ReflectionClass($className); $constants = $reflClass->getConstants(); foreach ($constants as $name => $value) { if ($value === $token) { return $className . '::' . $name; } } return $token; } /** * Regex modifiers * * @return string */ protected function getModifiers() { return 'i'; } /** * Lexical catchable patterns. * * @return array */ abstract protected function getCatchablePatterns(); /** * Lexical non-catchable patterns. * * @return array */ abstract protected function getNonCatchablePatterns(); /** * Retrieve token type. Also processes the token value if necessary. * * @param string $value * * @return integer */ abstract protected function getType(&$value); }