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@@ -12,7 +12,7 @@
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*
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* @author Marien Fressinaud <dev@marienfressinaud.fr>
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* @link https://github.com/marienfressinaud/lib_opml
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- * @version 0.2
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+ * @version 0.2-FreshRSS~1.5.1
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* @license public domain
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*
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* Usages:
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@@ -123,6 +123,32 @@ function libopml_parse_outline($outline_xml, $strict = true) {
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return $outline;
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}
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+/**
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+ * Reformat the XML document as a hierarchy when
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+ * the OPML 2.0 category attribute is used
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+ */
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+function preprocessing_categories($doc) {
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+ $outline_categories = [];
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+ $body = $doc->getElementsByTagName('body')->item(0);
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+ $xpath = new DOMXpath($doc);
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+ $outlines = $xpath->query("/opml/body/outline[@category]");
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+ foreach ($outlines as $outline) {
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+ $category = trim($outline->getAttribute('category'));
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+ if ($category != '') {
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+ $outline_categorie = null;
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+ if (!isset($outline_categories[$category])) {
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+ $outline_categorie = $doc->createElement('outline');
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+ $outline_categorie->setAttribute('text', $category);
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+ $body->insertBefore($outline_categorie, $body->firstChild);
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+ $outline_categories[$category] = $outline_categorie;
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+ } else {
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+ $outline_categorie = $outline_categories[$category];
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+ }
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+ $outline->parentNode->removeChild($outline);
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+ $outline_categorie->appendChild($outline);
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+ }
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+ }
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+}
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/**
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* Parse a string as a XML one and returns the corresponding array
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@@ -140,6 +166,9 @@ function libopml_parse_string($xml, $strict = true) {
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$dom->loadXML($xml);
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$dom->encoding = 'UTF-8';
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+ //Partial compatibility with the category attribute of OPML 2.0
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+ preprocessing_categories($dom);
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+
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$opml = simplexml_import_dom($dom);
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if (!$opml) {
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Alexandre Alapetite