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135 lines
4.0 KiB
PHP
135 lines
4.0 KiB
PHP
<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\Common\Annotations;
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use Doctrine\Common\Lexer\AbstractLexer;
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/**
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* Simple lexer for docblock annotations.
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*
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Jonathan Wage <jonwage@gmail.com>
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* @author Roman Borschel <roman@code-factory.org>
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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final class DocLexer extends AbstractLexer
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{
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const T_NONE = 1;
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const T_INTEGER = 2;
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const T_STRING = 3;
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const T_FLOAT = 4;
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// All tokens that are also identifiers should be >= 100
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const T_IDENTIFIER = 100;
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const T_AT = 101;
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const T_CLOSE_CURLY_BRACES = 102;
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const T_CLOSE_PARENTHESIS = 103;
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const T_COMMA = 104;
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const T_EQUALS = 105;
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const T_FALSE = 106;
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const T_NAMESPACE_SEPARATOR = 107;
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const T_OPEN_CURLY_BRACES = 108;
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const T_OPEN_PARENTHESIS = 109;
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const T_TRUE = 110;
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const T_NULL = 111;
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const T_COLON = 112;
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/**
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* @var array
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*/
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protected $noCase = array(
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'@' => self::T_AT,
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',' => self::T_COMMA,
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'(' => self::T_OPEN_PARENTHESIS,
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')' => self::T_CLOSE_PARENTHESIS,
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'{' => self::T_OPEN_CURLY_BRACES,
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'}' => self::T_CLOSE_CURLY_BRACES,
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'=' => self::T_EQUALS,
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':' => self::T_COLON,
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'\\' => self::T_NAMESPACE_SEPARATOR
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);
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/**
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* @var array
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*/
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protected $withCase = array(
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'true' => self::T_TRUE,
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'false' => self::T_FALSE,
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'null' => self::T_NULL
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);
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/**
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* {@inheritdoc}
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*/
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protected function getCatchablePatterns()
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{
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return array(
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'[a-z_\\\][a-z0-9_\:\\\]*[a-z_][a-z0-9_]*',
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'(?:[+-]?[0-9]+(?:[\.][0-9]+)*)(?:[eE][+-]?[0-9]+)?',
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'"(?:""|[^"])*+"',
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);
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}
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/**
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* {@inheritdoc}
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*/
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protected function getNonCatchablePatterns()
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{
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return array('\s+', '\*+', '(.)');
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}
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/**
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* {@inheritdoc}
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*/
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protected function getType(&$value)
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{
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$type = self::T_NONE;
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if ($value[0] === '"') {
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$value = str_replace('""', '"', substr($value, 1, strlen($value) - 2));
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return self::T_STRING;
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}
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if (isset($this->noCase[$value])) {
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return $this->noCase[$value];
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}
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if ($value[0] === '_' || $value[0] === '\\' || ctype_alpha($value[0])) {
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return self::T_IDENTIFIER;
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}
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$lowerValue = strtolower($value);
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if (isset($this->withCase[$lowerValue])) {
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return $this->withCase[$lowerValue];
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}
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// Checking numeric value
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if (is_numeric($value)) {
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return (strpos($value, '.') !== false || stripos($value, 'e') !== false)
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? self::T_FLOAT : self::T_INTEGER;
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}
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return $type;
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}
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}
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