[ExpressionLanguage] add XOR operator
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@ -1,6 +1,11 @@
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CHANGELOG
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CHANGELOG
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=========
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=========
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4.4.0
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-----
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* add `xor` operator
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4.0.0
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4.0.0
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-----
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-----
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@ -73,7 +73,7 @@ class Lexer
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// strings
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// strings
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$tokens[] = new Token(Token::STRING_TYPE, stripcslashes(substr($match[0], 1, -1)), $cursor + 1);
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$tokens[] = new Token(Token::STRING_TYPE, stripcslashes(substr($match[0], 1, -1)), $cursor + 1);
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$cursor += \strlen($match[0]);
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$cursor += \strlen($match[0]);
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} elseif (preg_match('/not in(?=[\s(])|\!\=\=|not(?=[\s(])|and(?=[\s(])|\=\=\=|\>\=|or(?=[\s(])|\<\=|\*\*|\.\.|in(?=[\s(])|&&|\|\||matches|\=\=|\!\=|\*|~|%|\/|\>|\||\!|\^|&|\+|\<|\-/A', $expression, $match, 0, $cursor)) {
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} elseif (preg_match('/not in(?=[\s(])|\!\=\=|not(?=[\s(])|and(?=[\s(])|\=\=\=|\>\=|or(?=[\s(])|xor(?=[\s(])|\<\=|\*\*|\.\.|in(?=[\s(])|&&|\|\||matches|\=\=|\!\=|\*|~|%|\/|\>|\||\!|\^|&|\+|\<|\-/A', $expression, $match, 0, $cursor)) {
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// operators
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// operators
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$tokens[] = new Token(Token::OPERATOR_TYPE, $match[0], $cursor + 1);
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$tokens[] = new Token(Token::OPERATOR_TYPE, $match[0], $cursor + 1);
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$cursor += \strlen($match[0]);
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$cursor += \strlen($match[0]);
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@ -104,6 +104,8 @@ class BinaryNode extends Node
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case 'or':
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case 'or':
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case '||':
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case '||':
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return $left || $this->nodes['right']->evaluate($functions, $values);
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return $left || $this->nodes['right']->evaluate($functions, $values);
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case 'xor':
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return $left xor $this->nodes['right']->evaluate($functions, $values);
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case 'and':
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case 'and':
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case '&&':
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case '&&':
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return $left && $this->nodes['right']->evaluate($functions, $values);
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return $left && $this->nodes['right']->evaluate($functions, $values);
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@ -45,6 +45,7 @@ class Parser
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$this->binaryOperators = [
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$this->binaryOperators = [
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'or' => ['precedence' => 10, 'associativity' => self::OPERATOR_LEFT],
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'or' => ['precedence' => 10, 'associativity' => self::OPERATOR_LEFT],
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'||' => ['precedence' => 10, 'associativity' => self::OPERATOR_LEFT],
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'||' => ['precedence' => 10, 'associativity' => self::OPERATOR_LEFT],
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'xor' => ['precedence' => 13, 'associativity' => self::OPERATOR_LEFT],
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'and' => ['precedence' => 15, 'associativity' => self::OPERATOR_LEFT],
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'and' => ['precedence' => 15, 'associativity' => self::OPERATOR_LEFT],
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'&&' => ['precedence' => 15, 'associativity' => self::OPERATOR_LEFT],
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'&&' => ['precedence' => 15, 'associativity' => self::OPERATOR_LEFT],
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'|' => ['precedence' => 16, 'associativity' => self::OPERATOR_LEFT],
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'|' => ['precedence' => 16, 'associativity' => self::OPERATOR_LEFT],
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@ -256,4 +256,35 @@ class ExpressionLanguageTest extends TestCase
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],
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],
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];
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];
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}
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}
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/**
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* @dataProvider getLogicalOperators
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*/
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public function testLogicalOperators($expression, $expected)
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{
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$this->assertSame($expected, (new ExpressionLanguage())->evaluate($expression));
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}
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public function getLogicalOperators()
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{
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return [
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// AND
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['true and true', true],
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['true and false', false],
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['false and true', false],
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['false and false', false],
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// OR
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['true or true', true],
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['true or false', true],
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['false or true', true],
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['false or false', false],
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// XOR
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['true xor true', false],
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['true xor false', true],
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['false xor true', true],
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['false xor false', false],
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];
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}
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}
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}
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@ -114,6 +114,14 @@ class LexerTest extends TestCase
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[new Token('string', '#foo', 1)],
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[new Token('string', '#foo', 1)],
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'"#foo"',
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'"#foo"',
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],
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],
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[
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[
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new Token('name', 'a', 1),
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new Token('operator', 'xor', 3),
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new Token('name', 'b', 7),
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],
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'a xor b',
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],
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];
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];
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}
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}
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}
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}
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@ -151,6 +151,11 @@ class ParserTest extends TestCase
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'bar',
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'bar',
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['foo' => 'bar'],
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['foo' => 'bar'],
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],
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],
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[
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new Node\BinaryNode('xor', new Node\ConstantNode(true), new Node\ConstantNode(false)),
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'true xor false',
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],
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];
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];
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}
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}
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