[vlmc-devel] commit: YouTube XML feed parser. Currently used for parsing VideoID from the XML data which is returned when a valid video file is uploaded . (Rohit Yadav )

[git at videolan.org]

vlmc | branch: master | Rohit Yadav <rohityadav89 at gmail.com> | Mon Aug 23 22:17:30 2010 +0530| [98c9bb7acf27c5d4ed8223e2634ef55caf17711a] | committer: Hugo Beauzée-Luyssen 

YouTube XML feed parser. Currently used for parsing VideoID from the XML data which is returned when a valid video file is uploaded.

Signed-off-by: Hugo Beauzée-Luyssen <beauze.h at gmail.com>

> http://git.videolan.org/gitweb.cgi/vlmc.git/?a=commit;h=98c9bb7acf27c5d4ed8223e2634ef55caf17711a
---

 src/Services/YouTube/YouTubeFeedParser.cpp |  123 ++++++++++++++++++++++++++++
 src/Services/YouTube/YouTubeFeedParser.h   |   44 ++++++++++
 2 files changed, 167 insertions(+), 0 deletions(-)

diff --git a/src/Services/YouTube/YouTubeFeedParser.cpp b/src/Services/YouTube/YouTubeFeedParser.cpp
new file mode 100644
index 0000000..349b934
--- /dev/null
+++ b/src/Services/YouTube/YouTubeFeedParser.cpp
@@ -0,0 +1,123 @@
+/*****************************************************************************
+ * YouTubeFeedParser.cpp: YouTube XML feed parser
+ *****************************************************************************
+ * Copyright (C) 2010 VideoLAN
+ *
+ * Authors: Rohit Yadav <rohityadav89 AT gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#include "YouTubeFeedParser.h"
+#include <QString>
+#include <QStringList>
+
+#include <QDebug>
+
+YouTubeFeedParser::YouTubeFeedParser( const QString& xml )
+    : QXmlStreamReader( xml )
+{
+    m_videoId = "";
+}
+
+bool
+YouTubeFeedParser::read()
+{
+    while( !atEnd() )
+    {
+        readNext();
+        if( isStartElement() )
+        {
+            if( name() == "entry")
+                readFeed();
+            else
+                raiseError( QObject::tr( "The XMLStream is not a valid YouTube Feed" ) );
+        }
+    }
+
+    return !error();
+}
+
+void
+YouTubeFeedParser::readUnknownElement()
+{
+    Q_ASSERT( isStartElement() );
+
+    while( !atEnd() )
+    {
+        readNext();
+
+        if( isEndElement() )
+            break;
+
+        if( isStartElement() )
+            readUnknownElement();
+    }
+}
+
+void
+YouTubeFeedParser::readFeed()
+{
+    Q_ASSERT( isStartElement() && name() == "entry" );
+
+    while( !atEnd() )
+    {
+        readNext();
+
+        if( isEndElement() )
+            break;
+
+        if( isStartElement() )
+        {
+            if( name() == "link" )
+                readLinks();
+            else
+                readUnknownElement();
+        }
+    }
+}
+
+void
+YouTubeFeedParser::readLinks()
+{
+    Q_ASSERT( isStartElement() && name() == "link" );
+
+    while( !atEnd() )
+    {
+        if( isEndElement() )
+            break;
+
+        if( isStartElement() && name() == "link" )
+        {
+            QXmlStreamAttributes attrs = attributes();
+            QStringRef rel = attrs.value("rel");
+            QStringRef type = attrs.value("type");
+            QStringRef href = attrs.value("href");
+
+            if( rel.toString() == "self" )
+            {
+                m_videoId = href.toString();
+                m_videoId = m_videoId.split("uploads/").at(1);
+            }
+        }
+        readNext();
+    }
+}
+
+const QString&
+YouTubeFeedParser::getVideoId()
+{
+    return m_videoId;
+}
diff --git a/src/Services/YouTube/YouTubeFeedParser.h b/src/Services/YouTube/YouTubeFeedParser.h
new file mode 100644
index 0000000..730beb2
--- /dev/null
+++ b/src/Services/YouTube/YouTubeFeedParser.h
@@ -0,0 +1,44 @@
+/******************************************************************************
+ * YouTubeFeedParser.h: YouTube XML feed parser
+ ******************************************************************************
+ * Copyright (C) 2010 VideoLAN
+ *
+ * Authors: Rohit Yadav <rohityadav89 AT gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef YOUTUBEFEEDPARSER_H
+#define YOUTUBEFEEDPARSER_H
+
+#include <QXmlStreamReader>
+
+class YouTubeFeedParser : public QXmlStreamReader
+{
+    public:
+        YouTubeFeedParser( const QString &xml );
+
+        bool            read();
+        const QString&  getVideoId();
+
+    private:
+        void            readFeed();
+        void            readLinks();
+        void            readUnknownElement();
+
+        QString         m_videoId;
+};
+
+#endif // YOUTUBEFEEDPARSER_H