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13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license. For more information, see
17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\Common\Annotations;
22 use Doctrine\Common\Lexer\AbstractLexer;
25 * Simple lexer for docblock annotations.
27 * @author Benjamin Eberlei <kontakt@beberlei.de>
28 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
29 * @author Jonathan Wage <jonwage@gmail.com>
30 * @author Roman Borschel <roman@code-factory.org>
31 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
33 final class DocLexer extends AbstractLexer
40 // All tokens that are also identifiers should be >= 100
41 const T_IDENTIFIER = 100;
43 const T_CLOSE_CURLY_BRACES = 102;
44 const T_CLOSE_PARENTHESIS = 103;
48 const T_NAMESPACE_SEPARATOR = 107;
49 const T_OPEN_CURLY_BRACES = 108;
50 const T_OPEN_PARENTHESIS = 109;
58 protected $noCase = array(
61 '(' => self::T_OPEN_PARENTHESIS,
62 ')' => self::T_CLOSE_PARENTHESIS,
63 '{' => self::T_OPEN_CURLY_BRACES,
64 '}' => self::T_CLOSE_CURLY_BRACES,
65 '=' => self::T_EQUALS,
67 '\\' => self::T_NAMESPACE_SEPARATOR
73 protected $withCase = array(
74 'true' => self::T_TRUE,
75 'false' => self::T_FALSE,
76 'null' => self::T_NULL
82 protected function getCatchablePatterns()
85 '[a-z_\\\][a-z0-9_\:\\\]*[a-z_][a-z0-9_]*',
86 '(?:[+-]?[0-9]+(?:[\.][0-9]+)*)(?:[eE][+-]?[0-9]+)?',
94 protected function getNonCatchablePatterns()
96 return array('\s+', '\*+', '(.)');
102 protected function getType(&$value)
104 $type = self::T_NONE;
106 if ($value[0] === '"') {
107 $value = str_replace('""', '"', substr($value, 1, strlen($value) - 2));
109 return self::T_STRING;
112 if (isset($this->noCase[$value])) {
113 return $this->noCase[$value];
116 if ($value[0] === '_' || $value[0] === '\\' || ctype_alpha($value[0])) {
117 return self::T_IDENTIFIER;
120 $lowerValue = strtolower($value);
122 if (isset($this->withCase[$lowerValue])) {
123 return $this->withCase[$lowerValue];
126 // Checking numeric value
127 if (is_numeric($value)) {
128 return (strpos($value, '.') !== false || stripos($value, 'e') !== false)
129 ? self::T_FLOAT : self::T_INTEGER;