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-rw-r--r--akregator/src/librss/document.cpp653
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diff --git a/akregator/src/librss/document.cpp b/akregator/src/librss/document.cpp
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+++ b/akregator/src/librss/document.cpp
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+/*
+ * document.cpp
+ *
+ * Copyright (c) 2001, 2002, 2003 Frerich Raabe <raabe@kde.org>
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the
+ * accompanying file 'COPYING'.
+ *
+ */
+#include "document.h"
+#include "article.h"
+#include "image.h"
+#include "textinput.h"
+#include "tools_p.h"
+
+#include <krfcdate.h>
+#include <kurl.h>
+
+#include <qdatetime.h>
+#include <qdom.h>
+#include <qptrlist.h>
+
+#include <kdebug.h>
+
+using namespace RSS;
+
+struct Document::Private : public Shared
+{
+ Private() : version(v0_90), image(NULL), textInput(NULL), language(en)
+ {
+ format=UnknownFormat;
+ valid=false;
+ ttl=-1;
+ }
+
+ ~Private()
+ {
+ delete textInput;
+ delete image;
+ }
+
+ Version version;
+ QString title;
+ QString description;
+ KURL link;
+ Image *image;
+ TextInput *textInput;
+ Article::List articles;
+ Language language;
+ Format format;
+ QString copyright;
+ QDateTime pubDate;
+ QDateTime lastBuildDate;
+ QString rating;
+ KURL docs;
+ int ttl;
+ QString managingEditor;
+ QString webMaster;
+ HourList skipHours;
+ DayList skipDays;
+ bool valid;
+};
+
+Document::Document() : d(new Private)
+{
+}
+
+Document::Document(const Document &other) : d(0)
+{
+ *this = other;
+}
+
+static QString extractLink(const QDomNode& node, Format format)
+{
+ if (format == AtomFeed)
+ {
+ QDomNode n;
+ for (n = node.firstChild(); !n.isNull(); n = n.nextSibling()) {
+ const QDomElement e = n.toElement();
+ if ( (e.tagName() == QString::fromLatin1("link"))
+ && (e.attribute(QString::fromLatin1("rel"), QString::fromLatin1("alternate")) == QString::fromLatin1("alternate")))
+ {
+ return n.toElement().attribute(QString::fromLatin1("href"));
+ }
+ }
+ }
+
+ return extractNode(node, QString::fromLatin1("link"));
+
+}
+
+Document::Document(const QDomDocument &doc) : d(new Private)
+{
+ QString elemText;
+ QDomNode rootNode = doc.documentElement();
+
+ // Determine the version of the present RSS markup.
+ QString attr;
+
+ // we should probably check that it ISN'T feed or rss, rather than check if it is xhtml
+ if (rootNode.toElement().tagName()==QString::fromLatin1("html"))
+ d->valid=false;
+ else
+ d->valid=true;
+
+ attr = rootNode.toElement().attribute(QString::fromLatin1("version"), QString::null);
+ if (rootNode.toElement().tagName()==QString::fromLatin1("feed"))
+ {
+ d->format=AtomFeed;
+ if (attr == QString::fromLatin1("0.3"))
+ d->version = vAtom_0_3;
+ else if (attr == QString::fromLatin1("0.2")) /* smt -> review */
+ d->version = vAtom_0_2;
+ else if (attr == QString::fromLatin1("0.1")) /* smt -> review */
+ d->version = vAtom_0_1;
+ else
+ d->version = vAtom_1_0;
+ }
+ else
+ {
+ d->format=RSSFeed;
+ if (attr == QString::fromLatin1("0.91"))
+ d->version = v0_91;
+ else if (attr == QString::fromLatin1("0.92"))
+ d->version = v0_92;
+ else if (attr == QString::fromLatin1("0.93"))
+ d->version = v0_93;
+ else if (attr == QString::fromLatin1("0.94"))
+ d->version = v0_94;
+ else // otherwise, we just assume a RSS2 compatible feed. As rss2 is generally
+ // backward-compatible, this should work
+ d->version = v2_0;
+ }
+
+
+ if (d->format==UnknownFormat)
+ {
+ attr = rootNode.toElement().attribute(QString::fromLatin1("xmlns"), QString::null);
+ if (!attr.isNull()) {
+ /*
+ * Hardcoding these URLs is actually a bad idea, since the DTD doesn't
+ * dictate a specific namespace. Still, most RSS files seem to use
+ * these two, so I'll go for them now. If it turns out that many
+ * mirrors of this RSS namespace are in use, I'll probably have to
+ * distinguish the RSS versions by analyzing the relationship between
+ * the nodes.
+ */
+ if (attr == QString::fromLatin1("http://my.netscape.com/rdf/simple/0.9/")) {
+ d->format=RSSFeed;
+ d->version = v0_90;
+ }
+ else if (attr == QString::fromLatin1("http://purl.org/rss/1.0/")) {
+ d->format=RSSFeed;
+ d->version = v1_0;
+ }
+ }
+ }
+
+ QDomNode channelNode;
+
+ if (d->format == AtomFeed)
+ channelNode=rootNode;
+ else
+ channelNode=rootNode.namedItem(QString::fromLatin1("channel"));
+
+ if (!(elemText = extractTitle(channelNode)).isNull())
+ d->title = elemText;
+ QString descriptionTagName = "description";
+
+ if (d->format == AtomFeed)
+ {
+ if (d->version == vAtom_1_0)
+ descriptionTagName = "subtitle";
+ else
+ descriptionTagName = "tagline";
+ }
+
+ if (!(elemText = extractNode(channelNode, descriptionTagName)).isNull())
+ d->description = elemText;
+
+ d->link = extractLink(channelNode, d->format);
+
+
+ /* This is ugly but necessary since RSS 0.90 and 1.0 have a different parent
+ * node for <image>, <textinput> and <item> than RSS 0.91-0.94 and RSS 2.0.
+ */
+ QDomNode parentNode;
+ if (d->version == v0_90 || d->version == v1_0 || d->format == AtomFeed)
+ parentNode = rootNode;
+ else
+ {
+ // following is a HACK for broken 0.91 feeds like xanga.com's
+ if (!rootNode.namedItem(QString::fromLatin1("item")).isNull())
+ parentNode = rootNode;
+ else
+ parentNode = channelNode;
+ }
+
+ // image and textinput aren't supported by Atom.. handle in case feed provides
+ QDomNode n = parentNode.namedItem(QString::fromLatin1("image"));
+ if (!n.isNull())
+ d->image = new Image(n);
+
+ n = parentNode.namedItem(QString::fromLatin1("textinput"));
+ if (!n.isNull())
+ d->textInput = new TextInput(n);
+
+ // Our (hopefully faster) version of elementsByTagName()
+ QString tagName;
+ if (d->format == AtomFeed)
+ tagName=QString::fromLatin1("entry");
+ else
+ tagName=QString::fromLatin1("item");
+
+ for (n = parentNode.firstChild(); !n.isNull(); n = n.nextSibling()) {
+ const QDomElement e = n.toElement();
+ if (e.tagName() == tagName)
+ d->articles.append(Article(e, d->format, d->version));
+ }
+
+ if (!(elemText = extractNode(channelNode, QString::fromLatin1("copyright"))).isNull())
+ d->copyright = elemText;
+
+ if (d->format == AtomFeed)
+ elemText = rootNode.toElement().attribute(QString::fromLatin1("xml:lang"), QString::null);
+ else
+ elemText = extractNode(channelNode, QString::fromLatin1("language"));
+
+ if (!elemText.isNull()){
+ if (elemText == QString::fromLatin1("af"))
+ d->language = af;
+ else if (elemText == QString::fromLatin1("sq"))
+ d->language = sq;
+ else if (elemText == QString::fromLatin1("eu"))
+ d->language = eu;
+ else if (elemText == QString::fromLatin1("be"))
+ d->language = be;
+ else if (elemText == QString::fromLatin1("bg"))
+ d->language = bg;
+ else if (elemText == QString::fromLatin1("ca"))
+ d->language = ca;
+ else if (elemText == QString::fromLatin1("zh-cn"))
+ d->language = zh_cn;
+ else if (elemText == QString::fromLatin1("zh-tw"))
+ d->language = zh_tw;
+ else if (elemText == QString::fromLatin1("hr"))
+ d->language = hr;
+ else if (elemText == QString::fromLatin1("cs"))
+ d->language = cs;
+ else if (elemText == QString::fromLatin1("da"))
+ d->language = da;
+ else if (elemText == QString::fromLatin1("nl"))
+ d->language = nl;
+ else if (elemText == QString::fromLatin1("nl-be"))
+ d->language = nl_be;
+ else if (elemText == QString::fromLatin1("nl-nl"))
+ d->language = nl_nl;
+ else if (elemText == QString::fromLatin1("en"))
+ d->language = en;
+ else if (elemText == QString::fromLatin1("en-au"))
+ d->language = en_au;
+ else if (elemText == QString::fromLatin1("en-bz"))
+ d->language = en_bz;
+ else if (elemText == QString::fromLatin1("en-ca"))
+ d->language = en_ca;
+ else if (elemText == QString::fromLatin1("en-ie"))
+ d->language = en_ie;
+ else if (elemText == QString::fromLatin1("en-jm"))
+ d->language = en_jm;
+ else if (elemText == QString::fromLatin1("en-nz"))
+ d->language = en_nz;
+ else if (elemText == QString::fromLatin1("en-ph"))
+ d->language = en_ph;
+ else if (elemText == QString::fromLatin1("en-za"))
+ d->language = en_za;
+ else if (elemText == QString::fromLatin1("en-tt"))
+ d->language = en_tt;
+ else if (elemText == QString::fromLatin1("en-gb"))
+ d->language = en_gb;
+ else if (elemText == QString::fromLatin1("en-us"))
+ d->language = en_us;
+ else if (elemText == QString::fromLatin1("en-zw"))
+ d->language = en_zw;
+ else if (elemText == QString::fromLatin1("fo"))
+ d->language = fo;
+ else if (elemText == QString::fromLatin1("fi"))
+ d->language = fi;
+ else if (elemText == QString::fromLatin1("fr"))
+ d->language = fr;
+ else if (elemText == QString::fromLatin1("fr-be"))
+ d->language = fr_be;
+ else if (elemText == QString::fromLatin1("fr-ca"))
+ d->language = fr_ca;
+ else if (elemText == QString::fromLatin1("fr-fr"))
+ d->language = fr_fr;
+ else if (elemText == QString::fromLatin1("fr-lu"))
+ d->language = fr_lu;
+ else if (elemText == QString::fromLatin1("fr-mc"))
+ d->language = fr_mc;
+ else if (elemText == QString::fromLatin1("fr-ch"))
+ d->language = fr_ch;
+ else if (elemText == QString::fromLatin1("gl"))
+ d->language = gl;
+ else if (elemText == QString::fromLatin1("gd"))
+ d->language = gd;
+ else if (elemText == QString::fromLatin1("de"))
+ d->language = de;
+ else if (elemText == QString::fromLatin1("de-at"))
+ d->language = de_at;
+ else if (elemText == QString::fromLatin1("de-de"))
+ d->language = de_de;
+ else if (elemText == QString::fromLatin1("de-li"))
+ d->language = de_li;
+ else if (elemText == QString::fromLatin1("de-lu"))
+ d->language = de_lu;
+ else if (elemText == QString::fromLatin1("de-ch"))
+ d->language = de_ch;
+ else if (elemText == QString::fromLatin1("el"))
+ d->language = el;
+ else if (elemText == QString::fromLatin1("hu"))
+ d->language = hu;
+ else if (elemText == QString::fromLatin1("is"))
+ d->language = is;
+ else if (elemText == QString::fromLatin1("id"))
+ d->language = id;
+ else if (elemText == QString::fromLatin1("ga"))
+ d->language = ga;
+ else if (elemText == QString::fromLatin1("it"))
+ d->language = it;
+ else if (elemText == QString::fromLatin1("it-it"))
+ d->language = it_it;
+ else if (elemText == QString::fromLatin1("it-ch"))
+ d->language = it_ch;
+ else if (elemText == QString::fromLatin1("ja"))
+ d->language = ja;
+ else if (elemText == QString::fromLatin1("ko"))
+ d->language = ko;
+ else if (elemText == QString::fromLatin1("mk"))
+ d->language = mk;
+ else if (elemText == QString::fromLatin1("no"))
+ d->language = no;
+ else if (elemText == QString::fromLatin1("pl"))
+ d->language = pl;
+ else if (elemText == QString::fromLatin1("pt"))
+ d->language = pt;
+ else if (elemText == QString::fromLatin1("pt-br"))
+ d->language = pt_br;
+ else if (elemText == QString::fromLatin1("pt-pt"))
+ d->language = pt_pt;
+ else if (elemText == QString::fromLatin1("ro"))
+ d->language = ro;
+ else if (elemText == QString::fromLatin1("ro-mo"))
+ d->language = ro_mo;
+ else if (elemText == QString::fromLatin1("ro-ro"))
+ d->language = ro_ro;
+ else if (elemText == QString::fromLatin1("ru"))
+ d->language = ru;
+ else if (elemText == QString::fromLatin1("ru-mo"))
+ d->language = ru_mo;
+ else if (elemText == QString::fromLatin1("ru-ru"))
+ d->language = ru_ru;
+ else if (elemText == QString::fromLatin1("sr"))
+ d->language = sr;
+ else if (elemText == QString::fromLatin1("sk"))
+ d->language = sk;
+ else if (elemText == QString::fromLatin1("sl"))
+ d->language = sl;
+ else if (elemText == QString::fromLatin1("es"))
+ d->language = es;
+ else if (elemText == QString::fromLatin1("es-ar"))
+ d->language = es_ar;
+ else if (elemText == QString::fromLatin1("es-bo"))
+ d->language = es_bo;
+ else if (elemText == QString::fromLatin1("es-cl"))
+ d->language = es_cl;
+ else if (elemText == QString::fromLatin1("es-co"))
+ d->language = es_co;
+ else if (elemText == QString::fromLatin1("es-cr"))
+ d->language = es_cr;
+ else if (elemText == QString::fromLatin1("es-do"))
+ d->language = es_do;
+ else if (elemText == QString::fromLatin1("es-ec"))
+ d->language = es_ec;
+ else if (elemText == QString::fromLatin1("es-sv"))
+ d->language = es_sv;
+ else if (elemText == QString::fromLatin1("es-gt"))
+ d->language = es_gt;
+ else if (elemText == QString::fromLatin1("es-hn"))
+ d->language = es_hn;
+ else if (elemText == QString::fromLatin1("es-mx"))
+ d->language = es_mx;
+ else if (elemText == QString::fromLatin1("es-ni"))
+ d->language = es_ni;
+ else if (elemText == QString::fromLatin1("es-pa"))
+ d->language = es_pa;
+ else if (elemText == QString::fromLatin1("es-py"))
+ d->language = es_py;
+ else if (elemText == QString::fromLatin1("es-pe"))
+ d->language = es_pe;
+ else if (elemText == QString::fromLatin1("es-pr"))
+ d->language = es_pr;
+ else if (elemText == QString::fromLatin1("es-es"))
+ d->language = es_es;
+ else if (elemText == QString::fromLatin1("es-uy"))
+ d->language = es_uy;
+ else if (elemText == QString::fromLatin1("es-ve"))
+ d->language = es_ve;
+ else if (elemText == QString::fromLatin1("sv"))
+ d->language = sv;
+ else if (elemText == QString::fromLatin1("sv-fi"))
+ d->language = sv_fi;
+ else if (elemText == QString::fromLatin1("sv-se"))
+ d->language = sv_se;
+ else if (elemText == QString::fromLatin1("tr"))
+ d->language = tr;
+ else if (elemText == QString::fromLatin1("uk"))
+ d->language = uk;
+ else
+ d->language = UndefinedLanguage;
+ }
+
+ if (d->format == AtomFeed)
+ tagName=QString::fromLatin1("issued"); // atom doesn't specify this for feeds
+ // but some broken feeds do this
+ else
+ tagName=QString::fromLatin1("pubDate");
+
+ if (!(elemText = extractNode(channelNode, tagName)).isNull()) {
+ time_t _time;
+
+ if (d->format == AtomFeed)
+ _time=parseISO8601Date(elemText);
+ else
+ _time=KRFCDate::parseDate(elemText);
+ /* \bug This isn't really the right way since it will set the date to
+ * Jan 1 1970, 1:00:00 if the passed date was invalid; this means that
+ * we cannot distinguish between that date, and invalid values. :-/
+ */
+ d->pubDate.setTime_t(_time);
+ }
+
+ if (!(elemText = extractNode(channelNode, QString::fromLatin1("dc:date"))).isNull()) {
+ time_t _time = parseISO8601Date(elemText);
+ /* \bug This isn't really the right way since it will set the date to
+ * Jan 1 1970, 1:00:00 if the passed date was invalid; this means that
+ * we cannot distinguish between that date, and invalid values. :-/
+ */
+ d->pubDate.setTime_t(_time);
+ }
+
+ if (d->format == AtomFeed)
+ tagName=QString::fromLatin1("modified");
+ else
+ tagName=QString::fromLatin1("lastBuildDate");
+ if (!(elemText = extractNode(channelNode, tagName)).isNull()) {
+ time_t _time;
+ if (d->format == AtomFeed)
+ _time = parseISO8601Date(elemText);
+ else
+ _time = KRFCDate::parseDate(elemText);
+ d->lastBuildDate.setTime_t(_time);
+ }
+
+ if (!(elemText = extractNode(channelNode, QString::fromLatin1("rating"))).isNull())
+ d->rating = elemText;
+ if (!(elemText = extractNode(channelNode, QString::fromLatin1("docs"))).isNull())
+ d->docs = elemText;
+ if (!(elemText = extractNode(channelNode, QString::fromLatin1((d->format == AtomFeed) ? "author" : "managingEditor"))).isNull())
+ d->managingEditor = elemText;
+ if (!(elemText = extractNode(channelNode, QString::fromLatin1("webMaster"))).isNull())
+ d->webMaster = elemText;
+
+ if (!(elemText = extractNode(channelNode, QString::fromLatin1("ttl"))).isNull())
+ d->ttl = elemText.toUInt();
+
+ n = channelNode.namedItem(QString::fromLatin1("skipHours"));
+ if (!n.isNull())
+ for (QDomElement e = n.firstChild().toElement(); !e.isNull(); e = e.nextSibling().toElement())
+ if (e.tagName() == QString::fromLatin1("hour"))
+ d->skipHours.append(e.text().toUInt());
+
+ n = channelNode.namedItem(QString::fromLatin1("skipDays"));
+ if (!n.isNull()) {
+ Day day;
+ QString elemText;
+ for (QDomElement e = n.firstChild().toElement(); !e.isNull(); e = e.nextSibling().toElement())
+ if (e.tagName() == QString::fromLatin1("day")) {
+ elemText = e.text().lower();
+ if (elemText == QString::fromLatin1("monday"))
+ day = Monday;
+ else if (elemText == QString::fromLatin1("tuesday"))
+ day = Tuesday;
+ else if (elemText == QString::fromLatin1("wednesday"))
+ day = Wednesday;
+ else if (elemText == QString::fromLatin1("thursday"))
+ day = Thursday;
+ else if (elemText == QString::fromLatin1("friday"))
+ day = Friday;
+ else if (elemText == QString::fromLatin1("saturday"))
+ day = Saturday;
+ else if (elemText == QString::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;
+}
+
+QString Document::verbVersion() const
+{
+ switch (d->version) {
+ case v0_90: return QString::fromLatin1("0.90");
+ case v0_91: return QString::fromLatin1("0.91");
+ case v0_92: return QString::fromLatin1("0.92");
+ case v0_93: return QString::fromLatin1("0.93");
+ case v0_94: return QString::fromLatin1("0.94");
+ case v1_0: return QString::fromLatin1("1.0");
+ case v2_0: return QString::fromLatin1("2.0");
+ case vAtom_0_3: return QString::fromLatin1("0.3");
+ case vAtom_0_2: return QString::fromLatin1("0.2");
+ case vAtom_0_1: return QString::fromLatin1("0.1");
+ case vAtom_1_0: return QString::fromLatin1("1.0");
+ }
+ return QString::null;
+}
+
+QString Document::title() const
+{
+ return d->title;
+}
+
+QString 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;
+}
+
+QString Document::copyright() const
+{
+ return d->copyright;
+}
+
+const QDateTime &Document::pubDate() const
+{
+ return d->pubDate;
+}
+
+const QDateTime &Document::lastBuildDate() const
+{
+ return d->lastBuildDate;
+}
+
+QString Document::rating() const
+{
+ return d->rating;
+}
+
+const KURL &Document::docs() const
+{
+ return d->docs;
+}
+
+QString Document::managingEditor() const
+{
+ return d->managingEditor;
+}
+
+QString 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 08:48:14 +0000