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