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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>
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;
}
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 (!attr.isNull()) {
if (rootNode.toElement().tagName()=="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->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 if (attr.startsWith("2.0") || attr == QString::fromLatin1("2")) // http://www.breuls.org/rss puts 2.00 in version (BR #0000016)
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 = extractNode(channelNode, QString::fromLatin1("title"))).isNull())
d->title = elemText;
if (!(elemText = extractNode(channelNode, QString::fromLatin1("description"))).isNull())
d->description = elemText;
if (!(elemText = extractNode(channelNode, QString::fromLatin1("link"))).isNull())
d->link = elemText;
/* 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));
}
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");
}
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
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