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/*
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* article.cpp
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*
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* Copyright (c) 2001, 2002, 2003, 2004 Frerich Raabe <raabe@kde.org>
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the
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* accompanying file 'COPYING'.
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*/
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#include "article.h"
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#include "tools_p.h"
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#include <kdebug.h>
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#include <krfcdate.h>
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#include <kurl.h>
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#include <kurllabel.h>
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#include <kmdcodec.h>
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#include <tqdatetime.h>
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#include <tqdom.h>
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using namespace RSS;
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namespace RSS
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{
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KMD5 md5Machine;
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}
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struct Article::Private : public Shared
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{
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TQString title;
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KURL link;
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TQString description;
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TQDateTime pubDate;
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TQString guid;
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bool guidIsPermaLink;
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MetaInfoMap meta;
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KURL commentsLink;
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int numComments;
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};
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Article::Article() : d(new Private)
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{
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}
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Article::Article(const Article &other) : d(0)
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{
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*this = other;
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}
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Article::Article(const TQDomNode &node, Format format) : d(new Private)
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{
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TQString elemText;
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d->numComments=0;
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if (!(elemText = extractNode(node, TQString::tqfromLatin1("title"))).isNull())
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d->title = elemText;
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TQDomNode n;
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bool foundTorrentEnclosure = false;
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for (n = node.firstChild(); !n.isNull(); n = n.nextSibling()) {
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const TQDomElement e = n.toElement();
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if ( (e.tagName()==TQString::tqfromLatin1("enclosure") ) )
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{
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TQString enclosureAttr = e.attribute(TQString::tqfromLatin1("type"));
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if (!enclosureAttr.isNull() )
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{
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if (enclosureAttr == "application/x-bittorrent")
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{
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enclosureAttr = e.attribute(TQString::tqfromLatin1("url"));
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if (!enclosureAttr.isNull() )
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{
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d->link=enclosureAttr;
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foundTorrentEnclosure = true;
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break;
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}
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}
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}
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}
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}
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if (!foundTorrentEnclosure)
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{
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if (format==AtomFeed)
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{
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TQDomNode n;
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for (n = node.firstChild(); !n.isNull(); n = n.nextSibling()) {
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const TQDomElement e = n.toElement();
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if ( (e.tagName()==TQString::tqfromLatin1("link")) &&
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(e.attribute(TQString::tqfromLatin1("rel"))==TQString::tqfromLatin1("alternate")))
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{
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d->link=n.toElement().attribute(TQString::tqfromLatin1("href"));
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break;
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}
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}
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}
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else
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{
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if (!(elemText = extractNode(node, TQString::tqfromLatin1("link"))).isNull())
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d->link = elemText;
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}
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}
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// prefer content/content:encoded over summary/description for feeds that provide it
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TQString tagName=(format==AtomFeed)? TQString::tqfromLatin1("content"): TQString::tqfromLatin1("content:encoded");
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if (!(elemText = extractNode(node, tagName, false)).isNull())
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d->description = elemText;
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if (d->description.isEmpty())
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{
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if (!(elemText = extractNode(node, TQString::tqfromLatin1("body"), false)).isNull())
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d->description = elemText;
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if (d->description.isEmpty()) // 3rd try: see http://www.intertwingly.net/blog/1299.html
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{
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if (!(elemText = extractNode(node, TQString::tqfromLatin1((format==AtomFeed)? "summary" : "description"), false)).isNull())
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d->description = elemText;
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}
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}
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if (!(elemText = extractNode(node, TQString::tqfromLatin1((format==AtomFeed)? "created": "pubDate"))).isNull())
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{
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time_t _time;
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if (format==AtomFeed)
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_time = parseISO8601Date(elemText);
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else
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_time = KRFCDate::parseDate(elemText);
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// 0 means invalid, not epoch (it returns epoch+1 when it parsed epoch, see the KRFCDate::parseDate() docs)
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if (_time != 0)
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d->pubDate.setTime_t(_time);
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}
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if (!(elemText = extractNode(node, TQString::tqfromLatin1("dc:date"))).isNull())
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{
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time_t _time = parseISO8601Date(elemText);
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// 0 means invalid, not epoch (it returns epoch+1 when it parsed epoch, see the KRFCDate::parseDate() docs)
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if (_time != 0)
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d->pubDate.setTime_t(_time);
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}
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//no luck so far - so let's set it to the current time
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if (!d->pubDate.isValid())
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{
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d->pubDate = TQDateTime::tqcurrentDateTime();
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}
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if (!(elemText = extractNode(node, TQString::tqfromLatin1("wfw:comment"))).isNull()) {
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d->commentsLink = elemText;
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}
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if (!(elemText = extractNode(node, TQString::tqfromLatin1("slash:comments"))).isNull()) {
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d->numComments = elemText.toInt();
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}
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tagName=(format==AtomFeed)? TQString::tqfromLatin1("id"): TQString::tqfromLatin1("guid");
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n = node.namedItem(tagName);
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if (!n.isNull()) {
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d->guidIsPermaLink = (format==AtomFeed)? false : true;
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if (n.toElement().attribute(TQString::tqfromLatin1("isPermaLink"), "true") == "false") d->guidIsPermaLink = false;
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if (!(elemText = extractNode(node, tagName)).isNull())
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d->guid = elemText;
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}
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if(d->guid.isEmpty()) {
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d->guidIsPermaLink = false;
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md5Machine.reset();
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TQDomNode n(node);
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md5Machine.update(d->title.utf8());
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md5Machine.update(d->description.utf8());
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d->guid = TQString(md5Machine.hexDigest().data());
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d->meta[TQString::tqfromLatin1("guidIsHash")] = TQString::tqfromLatin1("true");
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}
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for (TQDomNode i = node.firstChild(); !i.isNull(); i = i.nextSibling())
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{
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if (i.isElement() && i.toElement().tagName() == TQString::tqfromLatin1("metaInfo:meta"))
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{
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TQString type = i.toElement().attribute(TQString::tqfromLatin1("type"));
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d->meta[type] = i.toElement().text();
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}
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}
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}
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Article::~Article()
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{
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if (d->deref())
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delete d;
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}
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TQString Article::title() const
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{
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return d->title;
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}
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const KURL &Article::link() const
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{
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return d->link;
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}
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TQString Article::description() const
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{
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return d->description;
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}
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TQString Article::guid() const
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{
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return d->guid;
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}
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bool Article::guidIsPermaLink() const
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{
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return d->guidIsPermaLink;
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}
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const TQDateTime &Article::pubDate() const
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{
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return d->pubDate;
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}
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const KURL &Article::commentsLink() const
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{
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return d->commentsLink;
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}
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int Article::comments() const
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{
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return d->numComments;
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}
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TQString Article::meta(const TQString &key) const
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{
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return d->meta[key];
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}
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KURLLabel *Article::widget(TQWidget *parent, const char *name) const
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{
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KURLLabel *label = new KURLLabel(d->link.url(), d->title, parent, name);
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label->setUseTips(true);
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if (!d->description.isNull())
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label->setTipText(d->description);
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return label;
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}
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Article &Article::operator=(const Article &other)
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{
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if (this != &other) {
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other.d->ref();
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if (d && d->deref())
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delete d;
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d = other.d;
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}
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return *this;
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}
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bool Article::operator==(const Article &other) const
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{
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return d->guid == other.guid();
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}
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// vim:noet:ts=4
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