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<?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 LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Query;
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/**
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* Scans a DQL query for tokens.
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*
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Janne Vanhala <jpvanhal@cc.hut.fi>
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* @author Roman Borschel <roman@code-factory.org>
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* @since 2.0
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*/
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class Lexer extends \Doctrine\Common\Lexer
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{
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// All tokens that are not valid identifiers must be < 100
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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_INPUT_PARAMETER = 4;
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const T_FLOAT = 5;
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const T_CLOSE_PARENTHESIS = 6;
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const T_OPEN_PARENTHESIS = 7;
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const T_COMMA = 8;
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const T_DIVIDE = 9;
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const T_DOT = 10;
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const T_EQUALS = 11;
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const T_GREATER_THAN = 12;
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const T_LOWER_THAN = 13;
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const T_MINUS = 14;
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const T_MULTIPLY = 15;
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const T_NEGATE = 16;
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const T_PLUS = 17;
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const T_OPEN_CURLY_BRACE = 18;
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const T_CLOSE_CURLY_BRACE = 19;
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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_ALL = 101;
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const T_AND = 102;
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const T_ANY = 103;
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const T_AS = 104;
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const T_ASC = 105;
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const T_AVG = 106;
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const T_BETWEEN = 107;
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const T_BOTH = 108;
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const T_BY = 109;
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const T_CASE = 110;
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const T_COALESCE = 111;
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const T_COUNT = 112;
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const T_DELETE = 113;
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const T_DESC = 114;
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const T_DISTINCT = 115;
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const T_EMPTY = 116;
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const T_ESCAPE = 117;
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const T_EXISTS = 118;
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const T_FALSE = 119;
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const T_FROM = 120;
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const T_GROUP = 121;
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const T_HAVING = 122;
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const T_IN = 123;
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const T_INDEX = 124;
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const T_INNER = 125;
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const T_INSTANCE = 126;
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const T_IS = 127;
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const T_JOIN = 128;
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const T_LEADING = 129;
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const T_LEFT = 130;
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const T_LIKE = 131;
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const T_MAX = 132;
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const T_MEMBER = 133;
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const T_MIN = 134;
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const T_NOT = 135;
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const T_NULL = 136;
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const T_NULLIF = 137;
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const T_OF = 138;
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const T_OR = 139;
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const T_ORDER = 140;
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const T_OUTER = 141;
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const T_SELECT = 142;
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const T_SET = 143;
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const T_SIZE = 144;
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const T_SOME = 145;
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const T_SUM = 146;
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const T_TRAILING = 147;
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const T_TRUE = 148;
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const T_UPDATE = 149;
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const T_WHEN = 150;
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const T_WHERE = 151;
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const T_WITH = 153;
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const T_PARTIAL = 154;
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const T_MOD = 155;
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/**
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* Creates a new query scanner object.
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*
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* @param string $input a query string
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*/
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public function __construct($input)
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{
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$this->setInput($input);
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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-z0-9_]{1}',
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'(?:[0-9]+(?:[\.][0-9]+)*)(?:e[+-]?[0-9]+)?',
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"'(?:[^']|'')*'",
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'\?[1-9][0-9]*|:[a-z][a-z0-9_]+'
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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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// Recognizing numeric values
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if (is_numeric($value)) {
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return (strpos($value, '.') !== false || stripos($value, 'e') !== false)
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? self::T_FLOAT : self::T_INTEGER;
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}
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// Differentiate between quoted names, identifiers, input parameters and symbols
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if ($value[0] === "'") {
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$value = str_replace("''", "'", substr($value, 1, strlen($value) - 2));
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return self::T_STRING;
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} else if (ctype_alpha($value[0]) || $value[0] === '_') {
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$name = 'Doctrine\ORM\Query\Lexer::T_' . strtoupper($value);
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if (defined($name)) {
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$type = constant($name);
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if ($type > 100) {
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return $type;
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}
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}
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return self::T_IDENTIFIER;
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} else if ($value[0] === '?' || $value[0] === ':') {
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return self::T_INPUT_PARAMETER;
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} else {
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switch ($value) {
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case '.': return self::T_DOT;
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case ',': return self::T_COMMA;
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case '(': return self::T_OPEN_PARENTHESIS;
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case ')': return self::T_CLOSE_PARENTHESIS;
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case '=': return self::T_EQUALS;
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case '>': return self::T_GREATER_THAN;
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case '<': return self::T_LOWER_THAN;
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case '+': return self::T_PLUS;
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case '-': return self::T_MINUS;
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case '*': return self::T_MULTIPLY;
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case '/': return self::T_DIVIDE;
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case '!': return self::T_NEGATE;
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case '{': return self::T_OPEN_CURLY_BRACE;
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case '}': return self::T_CLOSE_CURLY_BRACE;
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default:
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// Do nothing
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break;
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}
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}
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return $type;
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}
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}
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