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<?php |
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/****************************************************************************** |
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* An implementation of dicto (scg.unibe.ch/dicto) in and for PHP. |
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* |
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* Copyright (c) 2016 Richard Klees <[email protected]> |
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* |
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* This software is licensed under The MIT License. You should have received |
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* a copy of the license along with the code. |
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*/ |
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namespace Lechimp\Dicto\Definition; |
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use Lechimp\Dicto\Rules\Ruleset; |
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use Lechimp\Dicto\Variables as V; |
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use Lechimp\Dicto\Rules as R; |
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/** |
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* Builds Rulesets from strings. |
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*/ |
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class RuleBuilder { |
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/** |
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* @var ASTParser |
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*/ |
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protected $parser; |
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/** |
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* @var Compiler |
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*/ |
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protected $compiler; |
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/** |
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* @param V\Variable[] $predefined_variables |
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* @param R\Schema[] $schemas |
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* @param V\Property[] $properties |
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*/ |
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public function __construct( array $predefined_variables |
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, array $schemas |
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, array $properties) { |
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$this->parser = $this->build_parser(); |
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$this->compiler = $this->build_compiler($predefined_variables, $schemas, $properties); |
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} |
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/** |
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* @return AST\Factory |
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*/ |
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protected function build_factory() { |
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return new AST\Factory(); |
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} |
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/** |
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* @return ASTParser |
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*/ |
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protected function build_parser() { |
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return new ASTParser($this->build_factory()); |
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} |
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/** |
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* @param V\Variable[] $predefined_variables |
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* @param R\Schema[] $schemas |
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* @param V\Property[] $properties |
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* @return Compiler |
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*/ |
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protected function build_compiler( array $predefined_variables |
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, array $schemas |
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, array $properties) { |
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return new Compiler($predefined_variables, $schemas, $properties); |
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} |
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/** |
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* @param string |
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* @return Ruleset |
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*/ |
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public function parse($source) { |
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assert('is_string($source)'); |
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$ast = $this->parser->parse($source); |
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return $this->compiler->compile($ast); |
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} |
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} |
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