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[yaffs-website] / vendor / symfony / expression-language / ExpressionLanguage.php

diff --git a/vendor/symfony/expression-language/ExpressionLanguage.php b/vendor/symfony/expression-language/ExpressionLanguage.php
deleted file mode 100644 (file)
index 444b59a..0000000
--- a/vendor/symfony/expression-language/ExpressionLanguage.php
+++ /dev/null
@@ -1,173 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\ExpressionLanguage;
-
-use Symfony\Component\ExpressionLanguage\ParserCache\ArrayParserCache;
-use Symfony\Component\ExpressionLanguage\ParserCache\ParserCacheInterface;
-
-/**
- * Allows to compile and evaluate expressions written in your own DSL.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
-class ExpressionLanguage
-{
-    /**
-     * @var ParserCacheInterface
-     */
-    private $cache;
-    private $lexer;
-    private $parser;
-    private $compiler;
-
-    protected $functions = array();
-
-    /**
-     * @param ParserCacheInterface                  $cache
-     * @param ExpressionFunctionProviderInterface[] $providers
-     */
-    public function __construct(ParserCacheInterface $cache = null, array $providers = array())
-    {
-        $this->cache = $cache ?: new ArrayParserCache();
-        $this->registerFunctions();
-        foreach ($providers as $provider) {
-            $this->registerProvider($provider);
-        }
-    }
-
-    /**
-     * Compiles an expression source code.
-     *
-     * @param Expression|string $expression The expression to compile
-     * @param array             $names      An array of valid names
-     *
-     * @return string The compiled PHP source code
-     */
-    public function compile($expression, $names = array())
-    {
-        return $this->getCompiler()->compile($this->parse($expression, $names)->getNodes())->getSource();
-    }
-
-    /**
-     * Evaluate an expression.
-     *
-     * @param Expression|string $expression The expression to compile
-     * @param array             $values     An array of values
-     *
-     * @return string The result of the evaluation of the expression
-     */
-    public function evaluate($expression, $values = array())
-    {
-        return $this->parse($expression, array_keys($values))->getNodes()->evaluate($this->functions, $values);
-    }
-
-    /**
-     * Parses an expression.
-     *
-     * @param Expression|string $expression The expression to parse
-     * @param array             $names      An array of valid names
-     *
-     * @return ParsedExpression A ParsedExpression instance
-     */
-    public function parse($expression, $names)
-    {
-        if ($expression instanceof ParsedExpression) {
-            return $expression;
-        }
-
-        asort($names);
-        $cacheKeyItems = array();
-
-        foreach ($names as $nameKey => $name) {
-            $cacheKeyItems[] = is_int($nameKey) ? $name : $nameKey.':'.$name;
-        }
-
-        $key = $expression.'//'.implode('|', $cacheKeyItems);
-
-        if (null === $parsedExpression = $this->cache->fetch($key)) {
-            $nodes = $this->getParser()->parse($this->getLexer()->tokenize((string) $expression), $names);
-            $parsedExpression = new ParsedExpression((string) $expression, $nodes);
-
-            $this->cache->save($key, $parsedExpression);
-        }
-
-        return $parsedExpression;
-    }
-
-    /**
-     * Registers a function.
-     *
-     * @param string   $name      The function name
-     * @param callable $compiler  A callable able to compile the function
-     * @param callable $evaluator A callable able to evaluate the function
-     *
-     * @throws \LogicException when registering a function after calling evaluate(), compile() or parse()
-     *
-     * @see ExpressionFunction
-     */
-    public function register($name, $compiler, $evaluator)
-    {
-        if (null !== $this->parser) {
-            throw new \LogicException('Registering functions after calling evaluate(), compile() or parse() is not supported.');
-        }
-
-        $this->functions[$name] = array('compiler' => $compiler, 'evaluator' => $evaluator);
-    }
-
-    public function addFunction(ExpressionFunction $function)
-    {
-        $this->register($function->getName(), $function->getCompiler(), $function->getEvaluator());
-    }
-
-    public function registerProvider(ExpressionFunctionProviderInterface $provider)
-    {
-        foreach ($provider->getFunctions() as $function) {
-            $this->addFunction($function);
-        }
-    }
-
-    protected function registerFunctions()
-    {
-        $this->register('constant', function ($constant) {
-            return sprintf('constant(%s)', $constant);
-        }, function (array $values, $constant) {
-            return constant($constant);
-        });
-    }
-
-    private function getLexer()
-    {
-        if (null === $this->lexer) {
-            $this->lexer = new Lexer();
-        }
-
-        return $this->lexer;
-    }
-
-    private function getParser()
-    {
-        if (null === $this->parser) {
-            $this->parser = new Parser($this->functions);
-        }
-
-        return $this->parser;
-    }
-
-    private function getCompiler()
-    {
-        if (null === $this->compiler) {
-            $this->compiler = new Compiler($this->functions);
-        }
-
-        return $this->compiler->reset();
-    }
-}