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poche now uses Full Text RSS to fetch content

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Nicolas Lœuillet 2013-08-25 20:10:23 +02:00
parent fccd59e2e3
commit ec3972361d
53 changed files with 20042 additions and 82 deletions
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612
inc/3rdparty/content-extractor/ContentExtractor.php vendored Normal file
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<?php
/**
* Content Extractor
*
* Uses patterns specified in site config files and auto detection (hNews/PHP Readability)
* to extract content from HTML files.
*
* @version 0.8
* @date 2012-02-21
* @author Keyvan Minoukadeh
* @copyright 2011 Keyvan Minoukadeh
* @license http://www.gnu.org/licenses/agpl-3.0.html AGPL v3
*/
class ContentExtractor
{
protected static $tidy_config = array(
'clean' => true,
'output-xhtml' => true,
'logical-emphasis' => true,
'show-body-only' => false,
'new-blocklevel-tags' => 'article, aside, footer, header, hgroup, menu, nav, section, details, datagrid',
'new-inline-tags' => 'mark, time, meter, progress, data',
'wrap' => 0,
'drop-empty-paras' => true,
'drop-proprietary-attributes' => false,
'enclose-text' => true,
'enclose-block-text' => true,
'merge-divs' => true,
'merge-spans' => true,
'char-encoding' => 'utf8',
'hide-comments' => true
);
protected $html;
protected $config;
protected $title;
protected $author = array();
protected $language;
protected $date;
protected $body;
protected $success = false;
public $fingerprints = array();
public $readability;
public $debug = false;
function __construct($path, $fallback=null) {
SiteConfig::set_config_path($path, $fallback);
}
protected function debug($msg) {
if ($this->debug) {
$mem = round(memory_get_usage()/1024, 2);
$memPeak = round(memory_get_peak_usage()/1024, 2);
echo '* ',$msg;
echo ' - mem used: ',$mem," (peak: $memPeak)\n";
ob_flush();
flush();
}
}
public function reset() {
$this->html = null;
$this->readability = null;
$this->config = null;
$this->title = null;
$this->body = null;
$this->author = array();
$this->language = null;
$this->date = null;
$this->success = false;
}
public function findHostUsingFingerprints($html) {
$this->debug('Checking fingerprints...');
$head = substr($html, 0, 8000);
foreach ($this->fingerprints as $_fp => $_fphost) {
$lookin = 'html';
if (is_array($_fphost)) {
if (isset($_fphost['head']) && $_fphost['head']) {
$lookin = 'head';
}
$_fphost = $_fphost['hostname'];
}
if (strpos($$lookin, $_fp) !== false) {
$this->debug("Found match: $_fphost");
return $_fphost;
}
}
return false;
}
// returns true on success, false on failure
// $smart_tidy indicates that if tidy is used and no results are produced, we will
// try again without it. Tidy helps us deal with PHP's patchy HTML parsing most of the time
// but it has problems of its own which we try to avoid with this option.
public function process($html, $url, $smart_tidy=true) {
$this->reset();
// extract host name
$host = @parse_url($url, PHP_URL_HOST);
if (!($this->config = SiteConfig::build($host))) {
// no match, check HTML for fingerprints
if (!empty($this->fingerprints) && ($_fphost = $this->findHostUsingFingerprints($html))) {
$this->config = SiteConfig::build($_fphost);
}
unset($_fphost);
if (!$this->config) {
// no match, so use defaults
$this->config = new SiteConfig();
}
}
// store copy of config in our static cache array in case we need to process another URL
SiteConfig::add_to_cache($host, $this->config);
// do string replacements
foreach ($this->config->replace_string as $_repl) {
$html = str_replace($_repl[0], $_repl[1], $html);
}
unset($_repl);
// use tidy (if it exists)?
// This fixes problems with some sites which would otherwise
// trouble DOMDocument's HTML parsing. (Although sometimes it
// makes matters worse, which is why you can override it in site config files.)
$tidied = false;
if ($this->config->tidy && function_exists('tidy_parse_string') && $smart_tidy) {
$this->debug('Using Tidy');
$tidy = tidy_parse_string($html, self::$tidy_config, 'UTF8');
if (tidy_clean_repair($tidy)) {
$original_html = $html;
$tidied = true;
// $html = $tidy->value;
}
$body = $tidy->body();
if (preg_replace('/\s+/', '', $body->value) !== "<body></body>") {
$html = $tidy->value;
}
unset($tidy);
}
// load and parse html
$this->readability = new Readability($html, $url);
// we use xpath to find elements in the given HTML document
// see http://en.wikipedia.org/wiki/XPath_1.0
$xpath = new DOMXPath($this->readability->dom);
// try to get title
foreach ($this->config->title as $pattern) {
$elems = @$xpath->evaluate($pattern, $this->readability->dom);
if (is_string($elems)) {
$this->debug('Title expression evaluated as string');
$this->title = trim($elems);
break;
} elseif ($elems instanceof DOMNodeList && $elems->length > 0) {
$this->debug('Title matched');
$this->title = $elems->item(0)->textContent;
// remove title from document
try {
$elems->item(0)->parentNode->removeChild($elems->item(0));
} catch (DOMException $e) {
// do nothing
}
break;
}
}
// try to get author (if it hasn't already been set)
if (empty($this->author)) {
foreach ($this->config->author as $pattern) {
$elems = @$xpath->evaluate($pattern, $this->readability->dom);
if (is_string($elems)) {
$this->debug('Author expression evaluated as string');
if (trim($elems) != '') {
$this->author[] = trim($elems);
break;
}
} elseif ($elems instanceof DOMNodeList && $elems->length > 0) {
foreach ($elems as $elem) {
if (!isset($elem->parentNode)) continue;
$this->author[] = trim($elem->textContent);
}
if (!empty($this->author)) break;
}
}
}
// try to get language
$_lang_xpath = array('//html[@lang]/@lang', '//meta[@name="DC.language"]/@content');
foreach ($_lang_xpath as $pattern) {
$elems = @$xpath->evaluate($pattern, $this->readability->dom);
if (is_string($elems)) {
if (trim($elems) != '') {
$this->language = trim($elems);
break;
}
} elseif ($elems instanceof DOMNodeList && $elems->length > 0) {
foreach ($elems as $elem) {
if (!isset($elem->parentNode)) continue;
$this->language = trim($elem->textContent);
}
if ($this->language) break;
}
}
// try to get date
foreach ($this->config->date as $pattern) {
$elems = @$xpath->evaluate($pattern, $this->readability->dom);
if (is_string($elems)) {
$this->debug('Date expression evaluated as string');
$this->date = strtotime(trim($elems, "; \t\n\r\0\x0B"));
} elseif ($elems instanceof DOMNodeList && $elems->length > 0) {
$this->debug('Date matched');
$this->date = $elems->item(0)->textContent;
$this->date = strtotime(trim($this->date, "; \t\n\r\0\x0B"));
// remove date from document
// $elems->item(0)->parentNode->removeChild($elems->item(0));
}
if (!$this->date) {
$this->date = null;
} else {
break;
}
}
// strip elements (using xpath expressions)
foreach ($this->config->strip as $pattern) {
$elems = @$xpath->query($pattern, $this->readability->dom);
// check for matches
if ($elems && $elems->length > 0) {
$this->debug('Stripping '.$elems->length.' elements (strip)');
for ($i=$elems->length-1; $i >= 0; $i--) {
$elems->item($i)->parentNode->removeChild($elems->item($i));
}
}
}
// strip elements (using id and class attribute values)
foreach ($this->config->strip_id_or_class as $string) {
$string = strtr($string, array("'"=>'', '"'=>''));
$elems = @$xpath->query("//*[contains(@class, '$string') or contains(@id, '$string')]", $this->readability->dom);
// check for matches
if ($elems && $elems->length > 0) {
$this->debug('Stripping '.$elems->length.' elements (strip_id_or_class)');
for ($i=$elems->length-1; $i >= 0; $i--) {
$elems->item($i)->parentNode->removeChild($elems->item($i));
}
}
}
// strip images (using src attribute values)
foreach ($this->config->strip_image_src as $string) {
$string = strtr($string, array("'"=>'', '"'=>''));
$elems = @$xpath->query("//img[contains(@src, '$string')]", $this->readability->dom);
// check for matches
if ($elems && $elems->length > 0) {
$this->debug('Stripping '.$elems->length.' image elements');
for ($i=$elems->length-1; $i >= 0; $i--) {
$elems->item($i)->parentNode->removeChild($elems->item($i));
}
}
}
// strip elements using Readability.com and Instapaper.com ignore class names
// .entry-unrelated and .instapaper_ignore
// See https://www.readability.com/publishers/guidelines/#view-plainGuidelines
// and http://blog.instapaper.com/post/730281947
$elems = @$xpath->query("//*[contains(concat(' ',normalize-space(@class),' '),' entry-unrelated ') or contains(concat(' ',normalize-space(@class),' '),' instapaper_ignore ')]", $this->readability->dom);
// check for matches
if ($elems && $elems->length > 0) {
$this->debug('Stripping '.$elems->length.' .entry-unrelated,.instapaper_ignore elements');
for ($i=$elems->length-1; $i >= 0; $i--) {
$elems->item($i)->parentNode->removeChild($elems->item($i));
}
}
// strip elements that contain style="display: none;"
$elems = @$xpath->query("//*[contains(@style,'display:none')]", $this->readability->dom);
// check for matches
if ($elems && $elems->length > 0) {
$this->debug('Stripping '.$elems->length.' elements with inline display:none style');
for ($i=$elems->length-1; $i >= 0; $i--) {
$elems->item($i)->parentNode->removeChild($elems->item($i));
}
}
// try to get body
foreach ($this->config->body as $pattern) {
$elems = @$xpath->query($pattern, $this->readability->dom);
// check for matches
if ($elems && $elems->length > 0) {
$this->debug('Body matched');
if ($elems->length == 1) {
$this->body = $elems->item(0);
// prune (clean up elements that may not be content)
if ($this->config->prune) {
$this->debug('Pruning content');
$this->readability->prepArticle($this->body);
}
break;
} else {
$this->body = $this->readability->dom->createElement('div');
$this->debug($elems->length.' body elems found');
foreach ($elems as $elem) {
if (!isset($elem->parentNode)) continue;
$isDescendant = false;
foreach ($this->body->childNodes as $parent) {
if ($this->isDescendant($parent, $elem)) {
$isDescendant = true;
break;
}
}
if ($isDescendant) {
$this->debug('Element is child of another body element, skipping.');
} else {
// prune (clean up elements that may not be content)
if ($this->config->prune) {
$this->debug('Pruning content');
$this->readability->prepArticle($elem);
}
$this->debug('Element added to body');
$this->body->appendChild($elem);
}
}
}
}
}
// auto detect?
$detect_title = $detect_body = $detect_author = $detect_date = false;
// detect title?
if (!isset($this->title)) {
if (empty($this->config->title) || $this->config->autodetect_on_failure) {
$detect_title = true;
}
}
// detect body?
if (!isset($this->body)) {
if (empty($this->config->body) || $this->config->autodetect_on_failure) {
$detect_body = true;
}
}
// detect author?
if (empty($this->author)) {
if (empty($this->config->author) || $this->config->autodetect_on_failure) {
$detect_author = true;
}
}
// detect date?
if (!isset($this->date)) {
if (empty($this->config->date) || $this->config->autodetect_on_failure) {
$detect_date = true;
}
}
// check for hNews
if ($detect_title || $detect_body) {
// check for hentry
$elems = @$xpath->query("//*[contains(concat(' ',normalize-space(@class),' '),' hentry ')]", $this->readability->dom);
if ($elems && $elems->length > 0) {
$this->debug('hNews: found hentry');
$hentry = $elems->item(0);
if ($detect_title) {
// check for entry-title
$elems = @$xpath->query(".//*[contains(concat(' ',normalize-space(@class),' '),' entry-title ')]", $hentry);
if ($elems && $elems->length > 0) {
$this->debug('hNews: found entry-title');
$this->title = $elems->item(0)->textContent;
// remove title from document
$elems->item(0)->parentNode->removeChild($elems->item(0));
$detect_title = false;
}
}
if ($detect_date) {
// check for time element with pubdate attribute
$elems = @$xpath->query(".//time[@pubdate] | .//abbr[contains(concat(' ',normalize-space(@class),' '),' published ')]", $hentry);
if ($elems && $elems->length > 0) {
$this->debug('hNews: found publication date');
$this->date = strtotime(trim($elems->item(0)->textContent));
// remove date from document
//$elems->item(0)->parentNode->removeChild($elems->item(0));
if ($this->date) {
$detect_date = false;
} else {
$this->date = null;
}
}
}
if ($detect_author) {
// check for time element with pubdate attribute
$elems = @$xpath->query(".//*[contains(concat(' ',normalize-space(@class),' '),' vcard ') and (contains(concat(' ',normalize-space(@class),' '),' author ') or contains(concat(' ',normalize-space(@class),' '),' byline '))]", $hentry);
if ($elems && $elems->length > 0) {
$this->debug('hNews: found author');
$author = $elems->item(0);
$fn = @$xpath->query(".//*[contains(concat(' ',normalize-space(@class),' '),' fn ')]", $author);
if ($fn && $fn->length > 0) {
foreach ($fn as $_fn) {
if (trim($_fn->textContent) != '') {
$this->author[] = trim($_fn->textContent);
}
}
} else {
if (trim($author->textContent) != '') {
$this->author[] = trim($author->textContent);
}
}
$detect_author = empty($this->author);
}
}
// check for entry-content.
// according to hAtom spec, if there are multiple elements marked entry-content,
// we include all of these in the order they appear - see http://microformats.org/wiki/hatom#Entry_Content
if ($detect_body) {
$elems = @$xpath->query(".//*[contains(concat(' ',normalize-space(@class),' '),' entry-content ')]", $hentry);
if ($elems && $elems->length > 0) {
$this->debug('hNews: found entry-content');
if ($elems->length == 1) {
// what if it's empty? (some sites misuse hNews - place their content outside an empty entry-content element)
$e = $elems->item(0);
if (($e->tagName == 'img') || (trim($e->textContent) != '')) {
$this->body = $elems->item(0);
// prune (clean up elements that may not be content)
if ($this->config->prune) {
$this->debug('Pruning content');
$this->readability->prepArticle($this->body);
}
$detect_body = false;
} else {
$this->debug('hNews: skipping entry-content - appears not to contain content');
}
unset($e);
} else {
$this->body = $this->readability->dom->createElement('div');
$this->debug($elems->length.' entry-content elems found');
foreach ($elems as $elem) {
if (!isset($elem->parentNode)) continue;
$isDescendant = false;
foreach ($this->body->childNodes as $parent) {
if ($this->isDescendant($parent, $elem)) {
$isDescendant = true;
break;
}
}
if ($isDescendant) {
$this->debug('Element is child of another body element, skipping.');
} else {
// prune (clean up elements that may not be content)
if ($this->config->prune) {
$this->debug('Pruning content');
$this->readability->prepArticle($elem);
}
$this->debug('Element added to body');
$this->body->appendChild($elem);
}
}
$detect_body = false;
}
}
}
}
}
// check for elements marked with instapaper_title
if ($detect_title) {
// check for instapaper_title
$elems = @$xpath->query("//*[contains(concat(' ',normalize-space(@class),' '),' instapaper_title ')]", $this->readability->dom);
if ($elems && $elems->length > 0) {
$this->debug('title found (.instapaper_title)');
$this->title = $elems->item(0)->textContent;
// remove title from document
$elems->item(0)->parentNode->removeChild($elems->item(0));
$detect_title = false;
}
}
// check for elements marked with instapaper_body
if ($detect_body) {
$elems = @$xpath->query("//*[contains(concat(' ',normalize-space(@class),' '),' instapaper_body ')]", $this->readability->dom);
if ($elems && $elems->length > 0) {
$this->debug('body found (.instapaper_body)');
$this->body = $elems->item(0);
// prune (clean up elements that may not be content)
if ($this->config->prune) {
$this->debug('Pruning content');
$this->readability->prepArticle($this->body);
}
$detect_body = false;
}
}
// Find author in rel="author" marked element
// We only use this if there's exactly one.
// If there's more than one, it could indicate more than
// one author, but it could also indicate that we're processing
// a page listing different articles with different authors.
if ($detect_author) {
$elems = @$xpath->query("//a[contains(concat(' ',normalize-space(@rel),' '),' author ')]", $this->readability->dom);
if ($elems && $elems->length == 1) {
$this->debug('Author found (rel="author")');
$author = trim($elems->item(0)->textContent);
if ($author != '') {
$this->author[] = $author;
$detect_author = false;
}
}
}
// Find date in pubdate marked time element
// For the same reason given above, we only use this
// if there's exactly one element.
if ($detect_date) {
$elems = @$xpath->query("//time[@pubdate]", $this->readability->dom);
if ($elems && $elems->length == 1) {
$this->debug('Date found (pubdate marked time element)');
$this->date = strtotime(trim($elems->item(0)->textContent));
// remove date from document
//$elems->item(0)->parentNode->removeChild($elems->item(0));
if ($this->date) {
$detect_date = false;
} else {
$this->date = null;
}
}
}
// still missing title or body, so we detect using Readability
if ($detect_title || $detect_body) {
$this->debug('Using Readability');
// clone body if we're only using Readability for title (otherwise it may interfere with body element)
if (isset($this->body)) $this->body = $this->body->cloneNode(true);
$success = $this->readability->init();
}
if ($detect_title) {
$this->debug('Detecting title');
$this->title = $this->readability->getTitle()->textContent;
}
if ($detect_body && $success) {
$this->debug('Detecting body');
$this->body = $this->readability->getContent();
if ($this->body->childNodes->length == 1 && $this->body->firstChild->nodeType === XML_ELEMENT_NODE) {
$this->body = $this->body->firstChild;
}
// prune (clean up elements that may not be content)
if ($this->config->prune) {
$this->debug('Pruning content');
$this->readability->prepArticle($this->body);
}
}
if (isset($this->body)) {
// remove scripts
$this->readability->removeScripts($this->body);
// remove any h1-h6 elements that appear as first thing in the body
// and which match our title
if (isset($this->title) && ($this->title != '')) {
$firstChild = $this->body->firstChild;
while ($firstChild->nodeType && ($firstChild->nodeType !== XML_ELEMENT_NODE)) {
$firstChild = $firstChild->nextSibling;
}
if (($firstChild->nodeType === XML_ELEMENT_NODE)
&& in_array(strtolower($firstChild->tagName), array('h1', 'h2', 'h3', 'h4', 'h5', 'h6'))
&& (strtolower(trim($firstChild->textContent)) == strtolower(trim($this->title)))) {
$this->body->removeChild($firstChild);
}
}
$this->success = true;
}
// if we've had no success and we've used tidy, there's a chance
// that tidy has messed up. So let's try again without tidy...
if (!$this->success && $tidied && $smart_tidy) {
$this->debug('Trying again without tidy');
$this->process($original_html, $url, false);
}
return $this->success;
}
private function isDescendant(DOMElement $parent, DOMElement $child) {
$node = $child->parentNode;
while ($node != null) {
if ($node->isSameNode($parent)) return true;
$node = $node->parentNode;
}
return false;
}
public function getContent() {
return $this->body;
}
public function getTitle() {
return $this->title;
}
public function getAuthors() {
return $this->author;
}
public function getLanguage() {
return $this->language;
}
public function getDate() {
return $this->date;
}
public function getSiteConfig() {
return $this->config;
}
}
?>

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inc/3rdparty/content-extractor/SiteConfig.php vendored Normal file
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<?php
/**
* Site Config
*
* Each instance of this class should hold extraction patterns and other directives
* for a website. See ContentExtractor class to see how it's used.
*
* @version 0.6
* @date 2011-10-30
* @author Keyvan Minoukadeh
* @copyright 2011 Keyvan Minoukadeh
* @license http://www.gnu.org/licenses/agpl-3.0.html AGPL v3
*/
class SiteConfig
{
// Use first matching element as title (0 or more xpath expressions)
public $title = array();
// Use first matching element as body (0 or more xpath expressions)
public $body = array();
// Use first matching element as author (0 or more xpath expressions)
public $author = array();
// Use first matching element as date (0 or more xpath expressions)
public $date = array();
// Strip elements matching these xpath expressions (0 or more)
public $strip = array();
// Strip elements which contain these strings (0 or more) in the id or class attribute
public $strip_id_or_class = array();
// Strip images which contain these strings (0 or more) in the src attribute
public $strip_image_src = array();
// Additional HTTP headers to send
// NOT YET USED
public $http_header = array();
// Process HTML with tidy before creating DOM
public $tidy = true;
// Autodetect title/body if xpath expressions fail to produce results.
// Note that this applies to title and body separately, ie.
// * if we get a body match but no title match, this option will determine whether we autodetect title
// * if neither match, this determines whether we autodetect title and body.
// Also note that this only applies when there is at least one xpath expression in title or body, ie.
// * if title and body are both empty (no xpath expressions), this option has no effect (both title and body will be auto-detected)
// * if there's an xpath expression for title and none for body, body will be auto-detected and this option will determine whether we auto-detect title if the xpath expression for it fails to produce results.
// Usage scenario: you want to extract something specific from a set of URLs, e.g. a table, and if the table is not found, you want to ignore the entry completely. Auto-detection is unlikely to succeed here, so you construct your patterns and set this option to false. Another scenario may be a site where auto-detection has proven to fail (or worse, picked up the wrong content).
public $autodetect_on_failure = true;
// Clean up content block - attempt to remove elements that appear to be superfluous
public $prune = true;
// Test URL - if present, can be used to test the config above
public $test_url = null;
// Single-page link - should identify a link element or URL pointing to the page holding the entire article
// This is useful for sites which split their articles across multiple pages. Links to such pages tend to
// display the first page with links to the other pages at the bottom. Often there is also a link to a page
// which displays the entire article on one page (e.g. 'print view').
// This should be an XPath expression identifying the link to that page. If present and we find a match,
// we will retrieve that page and the rest of the options in this config will be applied to the new page.
public $single_page_link = array();
// Single-page link in feed? - same as above, but patterns applied to item description HTML taken from feed
public $single_page_link_in_feed = array();
// TODO: which parser to use for turning raw HTML into a DOMDocument
public $parser = 'libxml';
// String replacement to be made on HTML before processing begins
public $replace_string = array();
// the options below cannot be set in the config files which this class represents
public static $debug = false;
protected static $config_path;
protected static $config_path_fallback;
protected static $config_cache = array();
const HOSTNAME_REGEX = '/^(([a-zA-Z0-9-]*[a-zA-Z0-9])\.)*([A-Za-z0-9-]*[A-Za-z0-9])$/';
protected static function debug($msg) {
if (self::$debug) {
$mem = round(memory_get_usage()/1024, 2);
$memPeak = round(memory_get_peak_usage()/1024, 2);
echo '* ',$msg;
echo ' - mem used: ',$mem," (peak: $memPeak)\n";
ob_flush();
flush();
}
}
public static function set_config_path($path, $fallback=null) {
self::$config_path = $path;
self::$config_path_fallback = $fallback;
}
public static function add_to_cache($host, SiteConfig $config) {
$host = strtolower($host);
self::$config_cache[$host] = $config;
}
// returns SiteConfig instance if an appropriate one is found, false otherwise
public static function build($host) {
$host = strtolower($host);
if (substr($host, 0, 4) == 'www.') $host = substr($host, 4);
if (!$host || (strlen($host) > 200) || !preg_match(self::HOSTNAME_REGEX, $host)) return false;
// check for site configuration
$try = array($host);
$split = explode('.', $host);
if (count($split) > 1) {
array_shift($split);
$try[] = '.'.implode('.', $split);
}
foreach ($try as $h) {
if (array_key_exists($h, self::$config_cache)) {
self::debug("... cached ($h)");
return self::$config_cache[$h];
} elseif (file_exists(self::$config_path."/$h.txt")) {
self::debug("... from file ($h)");
$file = self::$config_path."/$h.txt";
break;
}
}
if (!isset($file)) {
if (isset(self::$config_path_fallback)) {
self::debug("... trying fallback ($host)");
foreach ($try as $h) {
if (file_exists(self::$config_path_fallback."/$h.txt")) {
self::debug("... from fallback file ($h)");
$file = self::$config_path_fallback."/$h.txt";
break;
}
}
if (!isset($file)) {
self::debug("... no match in fallback directory");
return false;
}
} else {
self::debug("... no match ($host)");
return false;
}
}
$config_file = file($file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
if (!$config_file || !is_array($config_file)) return false;
$config = new SiteConfig();
foreach ($config_file as $line) {
$line = trim($line);
// skip comments, empty lines
if ($line == '' || $line[0] == '#') continue;
// get command
$command = explode(':', $line, 2);
// if there's no colon ':', skip this line
if (count($command) != 2) continue;
$val = trim($command[1]);
$command = trim($command[0]);
if ($command == '' || $val == '') continue;
// check for commands where we accept multiple statements
if (in_array($command, array('title', 'body', 'author', 'date', 'strip', 'strip_id_or_class', 'strip_image_src', 'single_page_link', 'single_page_link_in_feed', 'http_header'))) {
array_push($config->$command, $val);
// check for single statement commands that evaluate to true or false
} elseif (in_array($command, array('tidy', 'prune', 'autodetect_on_failure'))) {
$config->$command = ($val == 'yes');
// check for single statement commands stored as strings
} elseif (in_array($command, array('test_url', 'parser'))) {
$config->$command = $val;
} elseif ((substr($command, -1) == ')') && preg_match('!^([a-z0-9_]+)\((.*?)\)$!i', $command, $match)) {
if (in_array($match[1], array('replace_string'))) {
$command = $match[1];
array_push($config->$command, array($match[2], $val));
}
}
}
return $config;
}
}
?>