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654 lines
21 KiB
654 lines
21 KiB
/*
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* document.cpp
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*
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* Copyright (c) 2001, 2002, 2003 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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*/
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#include "document.h"
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#include "article.h"
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#include "image.h"
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#include "textinput.h"
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#include "tools_p.h"
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#include <krfcdate.h>
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#include <kurl.h>
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#include <tqdatetime.h>
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#include <tqdom.h>
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#include <tqptrlist.h>
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#include <kdebug.h>
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using namespace RSS;
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struct Document::Private : public Shared
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{
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Private() : version(v0_90), image(NULL), textInput(NULL), language(en)
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{
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format=UnknownFormat;
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valid=false;
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ttl=-1;
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}
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~Private()
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{
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delete textInput;
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delete image;
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}
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Version version;
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TQString title;
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TQString description;
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KURL link;
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Image *image;
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TextInput *textInput;
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Article::List articles;
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Language language;
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Format format;
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TQString copyright;
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TQDateTime pubDate;
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TQDateTime lastBuildDate;
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TQString rating;
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KURL docs;
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int ttl;
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TQString managingEditor;
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TQString webMaster;
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HourList skipHours;
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DayList skipDays;
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bool valid;
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};
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Document::Document() : d(new Private)
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{
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}
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Document::Document(const Document &other) : d(0)
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{
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*this = other;
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}
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static TQString extractLink(const TQDomNode& node, Format format)
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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::fromLatin1("link"))
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&& (e.attribute(TQString::fromLatin1("rel"), TQString::fromLatin1("alternate")) == TQString::fromLatin1("alternate")))
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{
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return n.toElement().attribute(TQString::fromLatin1("href"));
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}
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}
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}
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return extractNode(node, TQString::fromLatin1("link"));
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}
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Document::Document(const TQDomDocument &doc) : d(new Private)
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{
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TQString elemText;
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TQDomNode rootNode = doc.documentElement();
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// Determine the version of the present RSS markup.
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TQString attr;
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// we should probably check that it ISN'T feed or rss, rather than check if it is xhtml
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if (rootNode.toElement().tagName()==TQString::fromLatin1("html"))
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d->valid=false;
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else
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d->valid=true;
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attr = rootNode.toElement().attribute(TQString::fromLatin1("version"), TQString());
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if (rootNode.toElement().tagName()==TQString::fromLatin1("feed"))
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{
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d->format=AtomFeed;
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if (attr == TQString::fromLatin1("0.3"))
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d->version = vAtom_0_3;
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else if (attr == TQString::fromLatin1("0.2")) /* smt -> review */
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d->version = vAtom_0_2;
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else if (attr == TQString::fromLatin1("0.1")) /* smt -> review */
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d->version = vAtom_0_1;
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else
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d->version = vAtom_1_0;
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}
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else
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{
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d->format=RSSFeed;
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if (attr == TQString::fromLatin1("0.91"))
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d->version = v0_91;
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else if (attr == TQString::fromLatin1("0.92"))
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d->version = v0_92;
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else if (attr == TQString::fromLatin1("0.93"))
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d->version = v0_93;
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else if (attr == TQString::fromLatin1("0.94"))
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d->version = v0_94;
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else // otherwise, we just assume a RSS2 compatible feed. As rss2 is generally
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// backward-compatible, this should work
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d->version = v2_0;
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}
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if (d->format==UnknownFormat)
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{
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attr = rootNode.toElement().attribute(TQString::fromLatin1("xmlns"), TQString());
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if (!attr.isNull()) {
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/*
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* Hardcoding these URLs is actually a bad idea, since the DTD doesn't
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* dictate a specific namespace. Still, most RSS files seem to use
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* these two, so I'll go for them now. If it turns out that many
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* mirrors of this RSS namespace are in use, I'll probably have to
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* distinguish the RSS versions by analyzing the relationship between
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* the nodes.
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*/
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if (attr == TQString::fromLatin1("http://my.netscape.com/rdf/simple/0.9/")) {
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d->format=RSSFeed;
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d->version = v0_90;
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}
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else if (attr == TQString::fromLatin1("http://purl.org/rss/1.0/")) {
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d->format=RSSFeed;
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d->version = v1_0;
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}
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}
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}
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TQDomNode channelNode;
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if (d->format == AtomFeed)
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channelNode=rootNode;
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else
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channelNode=rootNode.namedItem(TQString::fromLatin1("channel"));
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if (!(elemText = extractTitle(channelNode)).isNull())
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d->title = elemText;
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TQString descriptionTagName = "description";
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if (d->format == AtomFeed)
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{
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if (d->version == vAtom_1_0)
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descriptionTagName = "subtitle";
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else
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descriptionTagName = "tagline";
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}
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if (!(elemText = extractNode(channelNode, descriptionTagName)).isNull())
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d->description = elemText;
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d->link = extractLink(channelNode, d->format);
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/* This is ugly but necessary since RSS 0.90 and 1.0 have a different parent
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* node for <image>, <textinput> and <item> than RSS 0.91-0.94 and RSS 2.0.
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*/
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TQDomNode parentNode;
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if (d->version == v0_90 || d->version == v1_0 || d->format == AtomFeed)
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parentNode = rootNode;
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else
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{
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// following is a HACK for broken 0.91 feeds like xanga.com's
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if (!rootNode.namedItem(TQString::fromLatin1("item")).isNull())
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parentNode = rootNode;
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else
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parentNode = channelNode;
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}
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// image and textinput aren't supported by Atom.. handle in case feed provides
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TQDomNode n = parentNode.namedItem(TQString::fromLatin1("image"));
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if (!n.isNull())
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d->image = new Image(n);
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n = parentNode.namedItem(TQString::fromLatin1("textinput"));
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if (!n.isNull())
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d->textInput = new TextInput(n);
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// Our (hopefully faster) version of elementsByTagName()
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TQString tagName;
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if (d->format == AtomFeed)
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tagName=TQString::fromLatin1("entry");
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else
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tagName=TQString::fromLatin1("item");
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for (n = parentNode.firstChild(); !n.isNull(); n = n.nextSibling()) {
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const TQDomElement e = n.toElement();
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if (e.tagName() == tagName)
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d->articles.append(Article(e, d->format, d->version));
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}
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if (!(elemText = extractNode(channelNode, TQString::fromLatin1("copyright"))).isNull())
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d->copyright = elemText;
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if (d->format == AtomFeed)
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elemText = rootNode.toElement().attribute(TQString::fromLatin1("xml:lang"), TQString());
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else
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elemText = extractNode(channelNode, TQString::fromLatin1("language"));
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if (!elemText.isNull()){
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if (elemText == TQString::fromLatin1("af"))
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d->language = af;
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else if (elemText == TQString::fromLatin1("sq"))
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d->language = sq;
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else if (elemText == TQString::fromLatin1("eu"))
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d->language = eu;
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else if (elemText == TQString::fromLatin1("be"))
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d->language = be;
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else if (elemText == TQString::fromLatin1("bg"))
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d->language = bg;
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else if (elemText == TQString::fromLatin1("ca"))
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d->language = ca;
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else if (elemText == TQString::fromLatin1("zh-cn"))
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d->language = zh_cn;
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else if (elemText == TQString::fromLatin1("zh-tw"))
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d->language = zh_tw;
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else if (elemText == TQString::fromLatin1("hr"))
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d->language = hr;
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else if (elemText == TQString::fromLatin1("cs"))
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d->language = cs;
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else if (elemText == TQString::fromLatin1("da"))
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d->language = da;
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else if (elemText == TQString::fromLatin1("nl"))
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d->language = nl;
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else if (elemText == TQString::fromLatin1("nl-be"))
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d->language = nl_be;
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else if (elemText == TQString::fromLatin1("nl-nl"))
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d->language = nl_nl;
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else if (elemText == TQString::fromLatin1("en"))
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d->language = en;
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else if (elemText == TQString::fromLatin1("en-au"))
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d->language = en_au;
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else if (elemText == TQString::fromLatin1("en-bz"))
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d->language = en_bz;
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else if (elemText == TQString::fromLatin1("en-ca"))
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d->language = en_ca;
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else if (elemText == TQString::fromLatin1("en-ie"))
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d->language = en_ie;
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else if (elemText == TQString::fromLatin1("en-jm"))
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d->language = en_jm;
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else if (elemText == TQString::fromLatin1("en-nz"))
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d->language = en_nz;
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else if (elemText == TQString::fromLatin1("en-ph"))
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d->language = en_ph;
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else if (elemText == TQString::fromLatin1("en-za"))
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d->language = en_za;
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else if (elemText == TQString::fromLatin1("en-tt"))
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d->language = en_tt;
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else if (elemText == TQString::fromLatin1("en-gb"))
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d->language = en_gb;
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else if (elemText == TQString::fromLatin1("en-us"))
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d->language = en_us;
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else if (elemText == TQString::fromLatin1("en-zw"))
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d->language = en_zw;
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else if (elemText == TQString::fromLatin1("fo"))
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d->language = fo;
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else if (elemText == TQString::fromLatin1("fi"))
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d->language = fi;
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else if (elemText == TQString::fromLatin1("fr"))
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d->language = fr;
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else if (elemText == TQString::fromLatin1("fr-be"))
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d->language = fr_be;
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else if (elemText == TQString::fromLatin1("fr-ca"))
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d->language = fr_ca;
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else if (elemText == TQString::fromLatin1("fr-fr"))
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d->language = fr_fr;
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else if (elemText == TQString::fromLatin1("fr-lu"))
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d->language = fr_lu;
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else if (elemText == TQString::fromLatin1("fr-mc"))
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d->language = fr_mc;
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else if (elemText == TQString::fromLatin1("fr-ch"))
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d->language = fr_ch;
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else if (elemText == TQString::fromLatin1("gl"))
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d->language = gl;
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else if (elemText == TQString::fromLatin1("gd"))
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d->language = gd;
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else if (elemText == TQString::fromLatin1("de"))
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d->language = de;
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else if (elemText == TQString::fromLatin1("de-at"))
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d->language = de_at;
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else if (elemText == TQString::fromLatin1("de-de"))
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d->language = de_de;
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else if (elemText == TQString::fromLatin1("de-li"))
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d->language = de_li;
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else if (elemText == TQString::fromLatin1("de-lu"))
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d->language = de_lu;
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else if (elemText == TQString::fromLatin1("de-ch"))
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d->language = de_ch;
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else if (elemText == TQString::fromLatin1("el"))
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d->language = el;
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else if (elemText == TQString::fromLatin1("hu"))
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d->language = hu;
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else if (elemText == TQString::fromLatin1("is"))
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d->language = is;
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else if (elemText == TQString::fromLatin1("id"))
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d->language = id;
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else if (elemText == TQString::fromLatin1("ga"))
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d->language = ga;
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else if (elemText == TQString::fromLatin1("it"))
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d->language = it;
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else if (elemText == TQString::fromLatin1("it-it"))
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d->language = it_it;
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else if (elemText == TQString::fromLatin1("it-ch"))
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d->language = it_ch;
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else if (elemText == TQString::fromLatin1("ja"))
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d->language = ja;
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else if (elemText == TQString::fromLatin1("ko"))
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d->language = ko;
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else if (elemText == TQString::fromLatin1("mk"))
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d->language = mk;
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else if (elemText == TQString::fromLatin1("no"))
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d->language = no;
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else if (elemText == TQString::fromLatin1("pl"))
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d->language = pl;
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else if (elemText == TQString::fromLatin1("pt"))
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d->language = pt;
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else if (elemText == TQString::fromLatin1("pt-br"))
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d->language = pt_br;
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else if (elemText == TQString::fromLatin1("pt-pt"))
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d->language = pt_pt;
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else if (elemText == TQString::fromLatin1("ro"))
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d->language = ro;
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else if (elemText == TQString::fromLatin1("ro-mo"))
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d->language = ro_mo;
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else if (elemText == TQString::fromLatin1("ro-ro"))
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d->language = ro_ro;
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else if (elemText == TQString::fromLatin1("ru"))
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d->language = ru;
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else if (elemText == TQString::fromLatin1("ru-mo"))
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d->language = ru_mo;
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else if (elemText == TQString::fromLatin1("ru-ru"))
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d->language = ru_ru;
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else if (elemText == TQString::fromLatin1("sr"))
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d->language = sr;
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else if (elemText == TQString::fromLatin1("sk"))
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d->language = sk;
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else if (elemText == TQString::fromLatin1("sl"))
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d->language = sl;
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else if (elemText == TQString::fromLatin1("es"))
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d->language = es;
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else if (elemText == TQString::fromLatin1("es-ar"))
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d->language = es_ar;
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else if (elemText == TQString::fromLatin1("es-bo"))
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d->language = es_bo;
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else if (elemText == TQString::fromLatin1("es-cl"))
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d->language = es_cl;
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else if (elemText == TQString::fromLatin1("es-co"))
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d->language = es_co;
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else if (elemText == TQString::fromLatin1("es-cr"))
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d->language = es_cr;
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else if (elemText == TQString::fromLatin1("es-do"))
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d->language = es_do;
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else if (elemText == TQString::fromLatin1("es-ec"))
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d->language = es_ec;
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else if (elemText == TQString::fromLatin1("es-sv"))
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d->language = es_sv;
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else if (elemText == TQString::fromLatin1("es-gt"))
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d->language = es_gt;
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else if (elemText == TQString::fromLatin1("es-hn"))
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d->language = es_hn;
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else if (elemText == TQString::fromLatin1("es-mx"))
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d->language = es_mx;
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else if (elemText == TQString::fromLatin1("es-ni"))
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d->language = es_ni;
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else if (elemText == TQString::fromLatin1("es-pa"))
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d->language = es_pa;
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else if (elemText == TQString::fromLatin1("es-py"))
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d->language = es_py;
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else if (elemText == TQString::fromLatin1("es-pe"))
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d->language = es_pe;
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else if (elemText == TQString::fromLatin1("es-pr"))
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d->language = es_pr;
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else if (elemText == TQString::fromLatin1("es-es"))
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d->language = es_es;
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else if (elemText == TQString::fromLatin1("es-uy"))
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d->language = es_uy;
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else if (elemText == TQString::fromLatin1("es-ve"))
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d->language = es_ve;
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else if (elemText == TQString::fromLatin1("sv"))
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d->language = sv;
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else if (elemText == TQString::fromLatin1("sv-fi"))
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d->language = sv_fi;
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else if (elemText == TQString::fromLatin1("sv-se"))
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d->language = sv_se;
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else if (elemText == TQString::fromLatin1("tr"))
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d->language = tr;
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else if (elemText == TQString::fromLatin1("uk"))
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d->language = uk;
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else
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d->language = UndefinedLanguage;
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}
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if (d->format == AtomFeed)
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tagName=TQString::fromLatin1("issued"); // atom doesn't specify this for feeds
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// but some broken feeds do this
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else
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tagName=TQString::fromLatin1("pubDate");
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if (!(elemText = extractNode(channelNode, tagName)).isNull()) {
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time_t _time;
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if (d->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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/* \bug This isn't really the right way since it will set the date to
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* Jan 1 1970, 1:00:00 if the passed date was invalid; this means that
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* we cannot distinguish between that date, and invalid values. :-/
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*/
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d->pubDate.setTime_t(_time);
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}
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if (!(elemText = extractNode(channelNode, TQString::fromLatin1("dc:date"))).isNull()) {
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time_t _time = parseISO8601Date(elemText);
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/* \bug This isn't really the right way since it will set the date to
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* Jan 1 1970, 1:00:00 if the passed date was invalid; this means that
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* we cannot distinguish between that date, and invalid values. :-/
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*/
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d->pubDate.setTime_t(_time);
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}
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if (d->format == AtomFeed)
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tagName=TQString::fromLatin1("modified");
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else
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tagName=TQString::fromLatin1("lastBuildDate");
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if (!(elemText = extractNode(channelNode, tagName)).isNull()) {
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time_t _time;
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if (d->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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d->lastBuildDate.setTime_t(_time);
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|
}
|
|
|
|
if (!(elemText = extractNode(channelNode, TQString::fromLatin1("rating"))).isNull())
|
|
d->rating = elemText;
|
|
if (!(elemText = extractNode(channelNode, TQString::fromLatin1("docs"))).isNull())
|
|
d->docs = elemText;
|
|
if (!(elemText = extractNode(channelNode, TQString::fromLatin1((d->format == AtomFeed) ? "author" : "managingEditor"))).isNull())
|
|
d->managingEditor = elemText;
|
|
if (!(elemText = extractNode(channelNode, TQString::fromLatin1("webMaster"))).isNull())
|
|
d->webMaster = elemText;
|
|
|
|
if (!(elemText = extractNode(channelNode, TQString::fromLatin1("ttl"))).isNull())
|
|
d->ttl = elemText.toUInt();
|
|
|
|
n = channelNode.namedItem(TQString::fromLatin1("skipHours"));
|
|
if (!n.isNull())
|
|
for (TQDomElement e = n.firstChild().toElement(); !e.isNull(); e = e.nextSibling().toElement())
|
|
if (e.tagName() == TQString::fromLatin1("hour"))
|
|
d->skipHours.append(e.text().toUInt());
|
|
|
|
n = channelNode.namedItem(TQString::fromLatin1("skipDays"));
|
|
if (!n.isNull()) {
|
|
Day day;
|
|
TQString elemText;
|
|
for (TQDomElement e = n.firstChild().toElement(); !e.isNull(); e = e.nextSibling().toElement())
|
|
if (e.tagName() == TQString::fromLatin1("day")) {
|
|
elemText = e.text().lower();
|
|
if (elemText == TQString::fromLatin1("monday"))
|
|
day = Monday;
|
|
else if (elemText == TQString::fromLatin1("tuesday"))
|
|
day = Tuesday;
|
|
else if (elemText == TQString::fromLatin1("wednesday"))
|
|
day = Wednesday;
|
|
else if (elemText == TQString::fromLatin1("thursday"))
|
|
day = Thursday;
|
|
else if (elemText == TQString::fromLatin1("friday"))
|
|
day = Friday;
|
|
else if (elemText == TQString::fromLatin1("saturday"))
|
|
day = Saturday;
|
|
else if (elemText == TQString::fromLatin1("sunday"))
|
|
day = Sunday;
|
|
else
|
|
day = UndefinedDay;
|
|
if (day != UndefinedDay)
|
|
d->skipDays.append(day);
|
|
}
|
|
}
|
|
}
|
|
|
|
Document::~Document()
|
|
{
|
|
if (d->deref())
|
|
delete d;
|
|
}
|
|
|
|
bool Document::isValid() const
|
|
{
|
|
return d->valid;
|
|
}
|
|
|
|
Version Document::version() const
|
|
{
|
|
return d->version;
|
|
}
|
|
|
|
TQString Document::verbVersion() const
|
|
{
|
|
switch (d->version) {
|
|
case v0_90: return TQString::fromLatin1("0.90");
|
|
case v0_91: return TQString::fromLatin1("0.91");
|
|
case v0_92: return TQString::fromLatin1("0.92");
|
|
case v0_93: return TQString::fromLatin1("0.93");
|
|
case v0_94: return TQString::fromLatin1("0.94");
|
|
case v1_0: return TQString::fromLatin1("1.0");
|
|
case v2_0: return TQString::fromLatin1("2.0");
|
|
case vAtom_0_3: return TQString::fromLatin1("0.3");
|
|
case vAtom_0_2: return TQString::fromLatin1("0.2");
|
|
case vAtom_0_1: return TQString::fromLatin1("0.1");
|
|
case vAtom_1_0: return TQString::fromLatin1("1.0");
|
|
}
|
|
return TQString();
|
|
}
|
|
|
|
TQString Document::title() const
|
|
{
|
|
return d->title;
|
|
}
|
|
|
|
TQString Document::description() const
|
|
{
|
|
return d->description;
|
|
}
|
|
|
|
const KURL &Document::link() const
|
|
{
|
|
return d->link;
|
|
}
|
|
|
|
Image *Document::image()
|
|
{
|
|
return d->image;
|
|
}
|
|
|
|
const Image *Document::image() const
|
|
{
|
|
return d->image;
|
|
}
|
|
|
|
TextInput *Document::textInput()
|
|
{
|
|
return d->textInput;
|
|
}
|
|
|
|
const TextInput *Document::textInput() const
|
|
{
|
|
return d->textInput;
|
|
}
|
|
|
|
const Article::List &Document::articles() const
|
|
{
|
|
return d->articles;
|
|
}
|
|
|
|
Language Document::language() const
|
|
{
|
|
return d->language;
|
|
}
|
|
|
|
TQString Document::copyright() const
|
|
{
|
|
return d->copyright;
|
|
}
|
|
|
|
const TQDateTime &Document::pubDate() const
|
|
{
|
|
return d->pubDate;
|
|
}
|
|
|
|
const TQDateTime &Document::lastBuildDate() const
|
|
{
|
|
return d->lastBuildDate;
|
|
}
|
|
|
|
TQString Document::rating() const
|
|
{
|
|
return d->rating;
|
|
}
|
|
|
|
const KURL &Document::docs() const
|
|
{
|
|
return d->docs;
|
|
}
|
|
|
|
TQString Document::managingEditor() const
|
|
{
|
|
return d->managingEditor;
|
|
}
|
|
|
|
TQString Document::webMaster() const
|
|
{
|
|
return d->webMaster;
|
|
}
|
|
|
|
const HourList &Document::skipHours() const
|
|
{
|
|
return d->skipHours;
|
|
}
|
|
|
|
const DayList &Document::skipDays() const
|
|
{
|
|
return d->skipDays;
|
|
}
|
|
|
|
int Document::ttl() const
|
|
{
|
|
return d->ttl;
|
|
}
|
|
|
|
Document &Document::operator=(const Document &other)
|
|
{
|
|
if (this != &other) {
|
|
other.d->ref();
|
|
if (d && d->deref())
|
|
delete d;
|
|
d = other.d;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
// vim:noet:ts=4
|