104 lines
2.6 KiB
PHP
104 lines
2.6 KiB
PHP
<?php
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namespace Caxy\Tests\HtmlDiff;
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class HtmlFileIterator implements \Iterator
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{
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protected $files = array();
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protected $key = 0;
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protected $loadedDiffs = array();
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public function __construct($directory)
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{
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$this->files = glob($directory.DIRECTORY_SEPARATOR."*.html");
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}
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/**
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* Return the current element
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* @link http://php.net/manual/en/iterator.current.php
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* @return mixed Can return any type.
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* @since 5.0.0
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*/
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public function current()
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{
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return $this->loadHtmlFile($this->key);
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}
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/**
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* Move forward to next element
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* @link http://php.net/manual/en/iterator.next.php
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* @return void Any returned value is ignored.
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* @since 5.0.0
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*/
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public function next()
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{
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$this->key++;
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}
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/**
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* Return the key of the current element
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* @link http://php.net/manual/en/iterator.key.php
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* @return mixed scalar on success, or null on failure.
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* @since 5.0.0
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*/
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public function key()
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{
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return basename($this->files[$this->key]);
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}
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/**
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* Checks if current position is valid
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* @link http://php.net/manual/en/iterator.valid.php
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* @return boolean The return value will be casted to boolean and then evaluated.
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* Returns true on success or false on failure.
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* @since 5.0.0
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*/
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public function valid()
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{
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return isset($this->files[$this->key]);
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}
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/**
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* Rewind the Iterator to the first element
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* @link http://php.net/manual/en/iterator.rewind.php
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* @return void Any returned value is ignored.
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* @since 5.0.0
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*/
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public function rewind()
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{
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$this->key = 0;
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}
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protected function loadHtmlFile($key)
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{
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$filename = $this->files[$key];
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if (!isset($this->loadedDiffs[$filename])) {
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$html = file_get_contents($filename);
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$oldText = $this->parseTagContent('oldText', $html);
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$newText = $this->parseTagContent('newText', $html);
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$expected = $this->parseTagContent('expected', $html);
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if (null === $expected) {
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throw new \Exception('HTML fixture content should have an <expected> tag.');
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}
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$this->loadedDiffs[$filename] = array($oldText, $newText, $expected);
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}
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return $this->loadedDiffs[$filename];
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}
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protected function parseTagContent($tagName, $html)
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{
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$matches = array();
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if (preg_match(sprintf('/<%s\s*[^>]*>(.*)<\/%s\s*>/is', $tagName, $tagName), $html, $matches)) {
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return $matches[1];
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}
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return null;
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}
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}
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