From fb9df0c269f36703909b8b259abbdbed29881ecd Mon Sep 17 00:00:00 2001 From: tcit Date: Thu, 24 Jul 2014 21:56:04 +0200 Subject: use directly MOBIClass --- inc/3rdparty/libraries/send2kindle/readability.php | 249 --------------------- 1 file changed, 249 deletions(-) delete mode 100644 inc/3rdparty/libraries/send2kindle/readability.php (limited to 'inc/3rdparty/libraries/send2kindle/readability.php') diff --git a/inc/3rdparty/libraries/send2kindle/readability.php b/inc/3rdparty/libraries/send2kindle/readability.php deleted file mode 100644 index 18c2dbde..00000000 --- a/inc/3rdparty/libraries/send2kindle/readability.php +++ /dev/null @@ -1,249 +0,0 @@ - - * @date 2011-02-17 - * @link http://www.gracecode.com/ - */ - -define("READABILITY_VERSION", 0.12); - -class Readability2 { - // 保存判定结果的标记位名称 - const ATTR_CONTENT_SCORE = "contentScore"; - - // DOM 解析类目前只支持 UTF-8 编码 - const DOM_DEFAULT_CHARSET = "utf-8"; - - // 当判定失败时显示的内容 - const MESSAGE_CAN_NOT_GET = "Sorry, readability was unable to parse this page for content. \n - If you feel like it should have been able to, - please let me know by mail: lucky[at]gracecode.com"; - - // DOM 解析类（PHP5 已内置） - protected $DOM = null; - - // 需要解析的源代码 - protected $source = ""; - - // 章节的父元素列表 - private $parentNodes = array(); - - // 需要删除的标签 - private $junkTags = Array("style", "form", "iframe", "script", "button", "input", "textarea"); - - // 需要删除的属性 - private $junkAttrs = Array("style", "class", "onclick", "onmouseover", "align", "border", "margin"); - - - /** - * 构造函数 - * @param $input_char 字符串的编码。默认 utf-8，可以省略 - */ - function __construct($source, $input_char = "utf-8") { - $this->source = $source; - - // DOM 解析类只能处理 UTF-8 格式的字符 - $source = mb_convert_encoding($source, 'HTML-ENTITIES', $input_char); - - // 预处理 HTML 标签，剔除冗余的标签等 - $source = $this->preparSource($source); - - // 生成 DOM 解析类 - $this->DOM = new DOMDocument('1.0', $input_char); - try { - //libxml_use_internal_errors(true); - // 会有些错误信息，不过不要紧 :^) - if (!@$this->DOM->loadHTML(''.$source)) { - throw new Exception("Parse HTML Error!"); - } - - foreach ($this->DOM->childNodes as $item) { - if ($item->nodeType == XML_PI_NODE) { - $this->DOM->removeChild($item); // remove hack - } - } - - // insert proper - $this->DOM->encoding = Readability2::DOM_DEFAULT_CHARSET; - } catch (Exception $e) { - // ... - } - } - - - /** - * 预处理 HTML 标签，使其能够准确被 DOM 解析类处理 - * - * @return String - */ - private function preparSource($string) { - // 剔除多余的 HTML 编码标记，避免解析出错 - preg_match("/charset=([\w|\-]+);?/", $string, $match); - if (isset($match[1])) { - $string = preg_replace("/charset=([\w|\-]+);?/", "", $string, 1); - } - - // Replace all doubled-up
tags with

tags, and remove fonts. - $string = preg_replace("/[ \r\n\s]*/i", "

", $string); - $string = preg_replace("/<\/?font[^>]*>/i", "", $string); - - return trim($string); - } - - - /** - * 删除 DOM 元素中所有的 $TagName 标签 - * - * @return DOMDocument - */ - private function removeJunkTag($RootNode, $TagName) { - $Tags = $RootNode->getElementsByTagName($TagName); - - $i = 0; - while($Tag = $Tags->item($i++)) { - $parentNode = $Tag->parentNode; - $parentNode->removeChild($Tag); - } - - return $RootNode; - } - - /** - * 删除元素中所有不需要的属性 - */ - private function removeJunkAttr($RootNode, $Attr) { - $Tags = $RootNode->getElementsByTagName("*"); - - $i = 0; - while($Tag = $Tags->item($i++)) { - $Tag->removeAttribute($Attr); - } - - return $RootNode; - } - - /** - * 根据评分获取页面主要内容的盒模型 - * 判定算法来自：http://code.google.com/p/arc90labs-readability/ - * - * @return DOMNode - */ - private function getTopBox() { - // 获得页面所有的章节 - $allParagraphs = $this->DOM->getElementsByTagName("p"); - - // Study all the paragraphs and find the chunk that has the best score. - // A score is determined by things like: Number of

's, commas, special classes, etc. - $i = 0; - while($paragraph = $allParagraphs->item($i++)) { - $parentNode = $paragraph->parentNode; - $contentScore = intval($parentNode->getAttribute(Readability2::ATTR_CONTENT_SCORE)); - $className = $parentNode->getAttribute("class"); - $id = $parentNode->getAttribute("id"); - - // Look for a special classname - if (preg_match("/(comment|meta|footer|footnote)/i", $className)) { - $contentScore -= 50; - } else if(preg_match( - "/((^|\\s)(post|hentry|entry[-]?(content|text|body)?|article[-]?(content|text|body)?)(\\s|$))/i", - $className)) { - $contentScore += 25; - } - - // Look for a special ID - if (preg_match("/(comment|meta|footer|footnote)/i", $id)) { - $contentScore -= 50; - } else if (preg_match( - "/^(post|hentry|entry[-]?(content|text|body)?|article[-]?(content|text|body)?)$/i", - $id)) { - $contentScore += 25; - } - - // Add a point for the paragraph found - // Add points for any commas within this paragraph - if (strlen($paragraph->nodeValue) > 10) { - $contentScore += strlen($paragraph->nodeValue); - } - - // 保存父元素的判定得分 - $parentNode->setAttribute(Readability2::ATTR_CONTENT_SCORE, $contentScore); - - // 保存章节的父元素，以便下次快速获取 - array_push($this->parentNodes, $parentNode); - } - - $topBox = $this->DOM->createElement('div', Readability2::MESSAGE_CAN_NOT_GET); - // Assignment from index for performance. - // See http://www.peachpit.com/articles/article.aspx?p=31567&seqNum=5 - for ($i = 0, $len = sizeof($this->parentNodes); $i < $len; $i++) { - $parentNode = $this->parentNodes[$i]; - $contentScore = intval($parentNode->getAttribute(Readability2::ATTR_CONTENT_SCORE)); - $orgContentScore = intval($topBox->getAttribute(Readability2::ATTR_CONTENT_SCORE)); - - if ($contentScore && $contentScore > $orgContentScore) { - $topBox = $parentNode; - } - } - - // 此时，$topBox 应为已经判定后的页面内容主元素 - return $topBox; - } - - - /** - * 获取 HTML 页面标题 - * - * @return String - */ - public function getTitle() { - $title = $this->DOM->getElementsByTagName("title"); - return $title->item(0); - } - - - /** - * 获取页面的主要内容（Readability 以后的内容） - * - * @return Array - */ - public function getContent() { - if (!$this->DOM) return false; - - // 获取页面标题 - $ContentTitle = $this->getTitle(); - - // 获取页面主内容 - $ContentBox = $this->getTopBox(); - - // 复制内容到新的 DOMDocument - $Target = new DOMDocument; - $Target->appendChild($Target->importNode($ContentBox, true)); - - // 删除不需要的标签 - foreach ($this->junkTags as $tag) { - $Target = $this->removeJunkTag($Target, $tag); - } - - // 删除不需要的属性 - foreach ($this->junkAttrs as $attr) { - $Target = $this->removeJunkAttr($Target, $attr); - } - - // 多个数据，以数组的形式返回 - return Array( - 'title' => $ContentTitle ? $ContentTitle->nodeValue : "", - 'content' => $Target->saveHTML() - ); - } - - function __destruct() { } -} -- cgit v1.2.3