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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Hamcrest\Text;
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/*
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 Copyright (c) 2009 hamcrest.org
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 */
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use Hamcrest\Description;
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use Hamcrest\TypeSafeMatcher;
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/**
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 * Tests if a string is equal to another string, ignoring any changes in
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 * whitespace.
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 */
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class IsEqualIgnoringWhiteSpace extends TypeSafeMatcher
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{
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    private $_string;
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    public function __construct($string)
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    {
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        parent::__construct(self::TYPE_STRING);
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        $this->_string = $string;
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    }
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    protected function matchesSafely($item)
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    {
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        return (strtolower($this->_stripSpace($item))
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                === strtolower($this->_stripSpace($this->_string)));
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    }
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    protected function describeMismatchSafely($item, Description $mismatchDescription)
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    {
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        $mismatchDescription->appendText('was ')->appendText($item);
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    }
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    public function describeTo(Description $description)
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    {
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        $description->appendText('equalToIgnoringWhiteSpace(')
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                                ->appendValue($this->_string)
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                                ->appendText(')')
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                                ;
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    }
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    /**
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     * Matches if value is a string equal to $string, regardless of whitespace.
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     *
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     * @factory
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     */
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    public static function equalToIgnoringWhiteSpace($string)
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    {
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        return new self($string);
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    }
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    // -- Private Methods
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    private function _stripSpace($string)
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    {
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        $parts = preg_split("/[\r\n\t ]+/", $string);
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        foreach ($parts as $i => $part) {
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            $parts[$i] = trim($part, " \r\n\t");
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        }
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        return trim(implode(' ', $parts), " \r\n\t");
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    }
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}