Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 290 insertions, 0 deletions

diff --git a/akregator/src/librss/article.cpp b/akregator/src/librss/article.cpp
new file mode 100644
index 000000000..010cf5dcb
--- /dev/null
+++ b/akregator/src/librss/article.cpp
@@ -0,0 +1,290 @@
+/*
+ * article.cpp
+ *
+ * Copyright (c) 2001, 2002, 2003, 2004 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 "article.h"
+#include "tools_p.h"
+#include "enclosure.h"
+#include "category.h"
+
+#include <kdebug.h>
+#include <krfcdate.h>
+#include <kurl.h>
+#include <kurllabel.h>
+#include <kmdcodec.h> 
+
+#include <qdatetime.h>
+#include <qdom.h>
+
+using namespace RSS;
+namespace RSS
+{
+    KMD5 md5Machine;
+}
+
+struct Article::Private : public Shared
+{
+	QString title;
+	KURL link;
+	QString description;
+	QDateTime pubDate;
+	QString guid;
+        QString author;
+	bool guidIsPermaLink;
+    MetaInfoMap meta;
+	KURL commentsLink;
+        int numComments;
+        Enclosure enclosure;
+	QValueList<Category> categories;
+};
+
+Article::Article() : d(new Private)
+{
+}
+
+Article::Article(const Article &other) : d(0)
+{
+	*this = other;
+}
+
+Enclosure Article::enclosure() const
+{
+    return d->enclosure;
+}
+
+QValueList<Category> Article::categories() const
+{
+    return d->categories;
+}
+
+
+Article::Article(const QDomNode &node, Format format, Version version) : d(new Private)
+{
+	QString elemText;
+
+	d->numComments=0;
+
+	if (!(elemText = extractTitle(node)).isNull())
+		d->title = elemText;
+   
+	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")))
+				{   
+					d->link=n.toElement().attribute(QString::fromLatin1("href"));
+					break;
+				}
+		}
+	}
+	else
+	{
+		if (!(elemText = extractNode(node, QString::fromLatin1("link"))).isNull())
+			d->link = elemText;
+	}
+
+
+    // prefer content/content:encoded over summary/description for feeds that provide it
+    QString tagName=(format==AtomFeed)? QString::fromLatin1("content"): QString::fromLatin1("content:encoded");
+    
+    if (!(elemText = extractNode(node, tagName, false)).isNull())
+        d->description = elemText;
+    
+    if (d->description.isEmpty())
+    {
+		if (!(elemText = extractNode(node, QString::fromLatin1("body"), false)).isNull())
+			d->description = elemText;
+    
+		if (d->description.isEmpty())  // 3rd try: see http://www.intertwingly.net/blog/1299.html
+		{
+			if (!(elemText = extractNode(node, QString::fromLatin1((format==AtomFeed)? "summary" : "description"), false)).isNull())
+				d->description = elemText;
+		}
+	}
+    
+	time_t time = 0;
+
+	if (format == AtomFeed)
+	{
+        if (version == vAtom_1_0)
+            elemText = extractNode(node, QString::fromLatin1("updated"));
+        else
+           elemText = extractNode(node, QString::fromLatin1("issued"));
+
+		if (!elemText.isNull())
+			time = parseISO8601Date(elemText); 	
+	}
+	else 
+	{
+		elemText = extractNode(node, QString::fromLatin1("pubDate"));
+		if (!elemText.isNull())
+			time = KRFCDate::parseDate(elemText);
+	}
+	
+	if (!(elemText = extractNode(node, QString::fromLatin1("dc:date"))).isNull())
+	{
+		time = parseISO8601Date(elemText);
+	}
+
+	// 0 means invalid, not epoch (parsers return epoch+1 when parsing epoch, see the KRFCDate::parseDate() docs)
+        if (time != 0)
+		d->pubDate.setTime_t(time);
+
+	if (!(elemText = extractNode(node, QString::fromLatin1("wfw:comment"))).isNull()) {
+		d->commentsLink = elemText;
+	}
+
+    if (!(elemText = extractNode(node, QString::fromLatin1("slash:comments"))).isNull()) {
+        d->numComments = elemText.toInt();
+    }
+
+    QDomElement element = QDomNode(node).toElement();
+
+    // in RSS 1.0, we use <item about> attribute as ID
+    // FIXME: pass format version instead of checking for attribute
+
+    if (!element.isNull() && element.hasAttribute(QString::fromLatin1("rdf:about")))
+    {
+        d->guid = element.attribute(QString::fromLatin1("rdf:about")); // HACK: using ns properly did not work
+        d->guidIsPermaLink = false;
+    }
+    else
+    {
+        tagName=(format==AtomFeed)? QString::fromLatin1("id"): QString::fromLatin1("guid");
+        QDomNode n = node.namedItem(tagName);
+	    if (!n.isNull())
+        {
+            d->guidIsPermaLink = (format==AtomFeed)? false : true;
+            if (n.toElement().attribute(QString::fromLatin1("isPermaLink"), "true") == "false") d->guidIsPermaLink = false;
+            if (!(elemText = extractNode(node, tagName)).isNull())
+                d->guid = elemText;
+        }
+    }    
+
+	if(d->guid.isEmpty()) {
+		d->guidIsPermaLink = false;
+        
+		md5Machine.reset();
+		QDomNode n(node);
+		md5Machine.update(d->title.utf8());
+		md5Machine.update(d->description.utf8());
+		d->guid = QString(md5Machine.hexDigest().data());
+        d->meta[QString::fromLatin1("guidIsHash")] = QString::fromLatin1("true");
+	}
+
+    QDomNode enclosure = element.namedItem(QString::fromLatin1("enclosure"));
+    if (enclosure.isElement())
+        d->enclosure = Enclosure::fromXML(enclosure.toElement());
+
+    d->author = parseItemAuthor(element, format, version);
+    
+    for (QDomNode i = node.firstChild(); !i.isNull(); i = i.nextSibling())
+    {
+        if (i.isElement())
+        {
+            if (i.toElement().tagName() == QString::fromLatin1("metaInfo:meta"))
+            {
+                QString type = i.toElement().attribute(QString::fromLatin1("type"));
+                d->meta[type] = i.toElement().text();
+            }
+            else if (i.toElement().tagName() == QString::fromLatin1("category"))
+            {
+                d->categories.append(Category::fromXML(i.toElement()));
+            }
+        }
+    }
+}
+
+Article::~Article()
+{
+	if (d->deref())
+		delete d;
+}
+
+QString Article::title() const
+{
+	return d->title;
+}
+
+QString Article::author() const
+{
+    return d->author;
+}
+
+const KURL &Article::link() const
+{
+	return d->link;
+}
+
+QString Article::description() const
+{
+	return d->description;
+}
+
+QString Article::guid() const
+{
+	return d->guid;
+}
+
+bool Article::guidIsPermaLink() const
+{
+	return d->guidIsPermaLink;
+}
+
+const QDateTime &Article::pubDate() const
+{
+	return d->pubDate;
+}
+
+const KURL &Article::commentsLink() const
+{
+	return d->commentsLink;
+}
+
+int Article::comments() const
+{
+	return d->numComments;
+}
+
+
+QString Article::meta(const QString &key) const
+{
+    return d->meta[key];
+}
+
+KURLLabel *Article::widget(QWidget *parent, const char *name) const
+{
+	KURLLabel *label = new KURLLabel(d->link.url(), d->title, parent, name);
+	label->setUseTips(true);
+	if (!d->description.isNull())
+		label->setTipText(d->description);
+	
+	return label;
+}
+
+Article &Article::operator=(const Article &other)
+{
+	if (this != &other) {
+		other.d->ref();
+		if (d && d->deref())
+			delete d;
+		d = other.d;
+	}
+	return *this;
+}
+
+bool Article::operator==(const Article &other) const
+{
+	return d->guid == other.guid();
+}
+
+// vim:noet:ts=4