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php-readability
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pull/11/head
Jeremy Benoist 10 years ago
parent 92965f76cf
commit 2951936e00
1 changed files with 65 additions and 42 deletions
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  1. 107
      src/Readability.php

107
src/Readability.php
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@ -214,7 +214,7 @@ class Readability
/**
* Get article title element.
*
* @return DOMElement
* @return \DOMElement
*/
public function getTitle()
{
@ -224,7 +224,7 @@ class Readability
/**
* Get article content element.
*
* @return DOMElement
* @return \DOMElement
*/
public function getContent()
{
@ -326,6 +326,8 @@ class Readability
/**
* Debug.
*
* @param string $msg
*/
protected function dbg($msg) //, $error=false)
{
@ -348,11 +350,11 @@ class Readability
/**
* Run any post-process modifications to article content as necessary.
*
* @param DOMElement
* @param \DOMElement $articleContent
*/
public function postProcessContent($articleContent)
public function postProcessContent(\DOMElement $articleContent)
{
if ($this->convertLinksToFootnotes && !preg_match('/\bwiki/', @$this->url)) {
if ($this->convertLinksToFootnotes && !preg_match('/\bwiki/', $this->url)) {
$this->addFootnotes($articleContent);
}
}
@ -360,7 +362,7 @@ class Readability
/**
* Get the article title as an H1.
*
* @return DOMElement
* @return \DOMElement
*/
protected function getArticleTitle()
{
@ -433,8 +435,10 @@ class Readability
* For easier reading, convert this document to have footnotes at the bottom rather than inline links.
*
* @see http://www.roughtype.com/archives/2010/05/experiments_in.php
*
* @param \DOMElement $articleContent
*/
public function addFootnotes($articleContent)
public function addFootnotes(\DOMElement $articleContent)
{
$footnotesWrapper = $this->dom->createElement('footer');
$footnotesWrapper->setAttribute('class', 'readability-footnotes');
@ -496,9 +500,9 @@ class Readability
* Prepare the article node for display. Clean out any inline styles,
* iframes, forms, strip extraneous <p> tags, etc.
*
* @param DOMElement
* @param \DOMElement $articleContent
*/
public function prepArticle($articleContent)
public function prepArticle(\DOMElement $articleContent)
{
if ($this->lightClean) {
$this->dbg('Light clean enabled.');
@ -595,9 +599,9 @@ class Readability
* Initialize a node with the readability object. Also checks the
* className/id for special names to add to its score.
*
* @param Element
* @param \DOMElement $node
*/
protected function initializeNode($node)
protected function initializeNode(\DOMElement $node)
{
if (!isset($node->tagName)) {
return;
@ -664,9 +668,11 @@ class Readability
* grabArticle - Using a variety of metrics (content score, classname, element types), find the content that is
* most likely to be the stuff a user wants to read. Then return it wrapped up in a div.
*
* @return DOMElement
* @param \DOMElement $page
*
* @return \DOMElement
*/
protected function grabArticle($page = null)
protected function grabArticle(\DOMElement $page = null)
{
if (!$page) {
$page = $this->dom;
@ -1015,13 +1021,13 @@ class Readability
* Get the inner text of a node.
* This also strips out any excess whitespace to be found.
*
* @param DOMElement $e
* @param bool $normalizeSpaces (default: true)
* @param bool $flattenLines (default: false)
* @param \DOMElement $e
* @param bool $normalizeSpaces (default: true)
* @param bool $flattenLines (default: false)
*
* @return string
*/
public function getInnerText($e, $normalizeSpaces = true, $flattenLines = false)
public function getInnerText(\DOMElement $e, $normalizeSpaces = true, $flattenLines = false)
{
if (!isset($e->textContent) || $e->textContent === '') {
return '';
@ -1041,9 +1047,9 @@ class Readability
/**
* Remove the style attribute on every $e and under.
*
* @param DOMElement $e
* @param \DOMElement $e
*/
public function cleanStyles($e)
public function cleanStyles(\DOMElement $e)
{
if (!is_object($e)) {
return;
@ -1061,7 +1067,7 @@ class Readability
*
* @param string $text
*
* @return number (integer)
* @return int
*/
public function getCommaCount($text)
{
@ -1074,7 +1080,7 @@ class Readability
*
* @param string $text
*
* @return number (integer)
* @return int
*/
public function getWordCount($text)
{
@ -1086,12 +1092,12 @@ class Readability
* This is the amount of text that is inside a link divided by the total text in the node.
* Can exclude external references to differentiate between simple text and menus/infoblocks.
*
* @param DOMElement $e
* @param string $excludeExternal
* @param \DOMElement $e
* @param string $excludeExternal
*
* @return number (float)
* @return int
*/
public function getLinkDensity($e, $excludeExternal = false)
public function getLinkDensity(\DOMElement $e, $excludeExternal = false)
{
$links = $e->getElementsByTagName('a');
$textLength = mb_strlen($this->getInnerText($e, true, true));
@ -1115,12 +1121,12 @@ class Readability
* Get an element weight by attribute.
* Uses regular expressions to tell if this element looks good or bad.
*
* @param DOMElement $element
* @param string $attribute
* @param \DOMElement $element
* @param string $attribute
*
* @return number (Integer)
* @return int
*/
protected function weightAttribute($element, $attribute)
protected function weightAttribute(\DOMElement $element, $attribute)
{
if (!$element->hasAttribute($attribute)) {
return 0;
@ -1150,11 +1156,11 @@ class Readability
/**
* Get an element relative weight.
*
* @param DOMElement $e
* @param \DOMElement $e
*
* @return number (Integer)
* @return int
*/
public function getWeight($e)
public function getWeight(\DOMElement $e)
{
if (!$this->flagIsActive(self::FLAG_WEIGHT_ATTRIBUTES)) {
return 0;
@ -1172,9 +1178,9 @@ class Readability
/**
* Remove extraneous break tags from a node.
*
* @param DOMElement $node
* @param \DOMElement $node
*/
public function killBreaks($node)
public function killBreaks(\DOMElement $node)
{
$html = $node->innerHTML;
$html = preg_replace($this->regexps['killBreaks'], '<br />', $html);
@ -1187,10 +1193,10 @@ class Readability
*
* Updated 2012-09-18 to preserve youtube/vimeo iframes
*
* @param DOMElement $e
* @param string $tag
* @param \DOMElement $e
* @param string $tag
*/
public function clean($e, $tag)
public function clean(\DOMElement $e, $tag)
{
$targetList = $e->getElementsByTagName($tag);
$isEmbed = ($tag === 'audio' || $tag === 'video' || $tag === 'iframe' || $tag === 'object' || $tag === 'embed');
@ -1222,10 +1228,10 @@ class Readability
* "Fishy" is an algorithm based on content length, classnames,
* link density, number of images & embeds, etc.
*
* @param DOMElement $e
* @param string $tag
* @param \DOMElement $e
* @param string $tag
*/
public function cleanConditionally($e, $tag)
public function cleanConditionally(\DOMElement $e, $tag)
{
if (!$this->flagIsActive(self::FLAG_CLEAN_CONDITIONALLY)) {
return;
@ -1337,9 +1343,9 @@ class Readability
/**
* Clean out spurious headers from an Element. Checks things like classnames and link density.
*
* @param DOMElement $e
* @param \DOMElement $e
*/
public function cleanHeaders($e)
public function cleanHeaders(\DOMElement $e)
{
for ($headerIndex = 1; $headerIndex < 3; ++$headerIndex) {
$headers = $e->getElementsByTagName('h'.$headerIndex);
@ -1351,16 +1357,33 @@ class Readability
}
}
/**
* Check if the given flag is active.
*
* @param int $flag
*
* @return bool
*/
public function flagIsActive($flag)
{
return ($this->flags & $flag) > 0;
}
/**
* Add a flag.
*
* @param int $flag
*/
public function addFlag($flag)
{
$this->flags = $this->flags | $flag;
}
/**
* Remove a flag.
*
* @param int $flag
*/
public function removeFlag($flag)
{
$this->flags = $this->flags & ~$flag;

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