--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/controlpanelui/src/cpcategorymodel/src/cppluginconfigreader.cpp	Tue Aug 31 15:15:28 2010 +0300
@@ -0,0 +1,233 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0""
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  This class reads cpcfg files.
+*
+*/
+
+#include "cppluginconfigreader.h"
+#include <QFile>
+#include <QXmlStreamReader>
+#include <cplogger.h>
+
+const QString CHILD_PLUGINS_TAG         = "childplugins";
+const QString PLUGIN_TAG                = "plugin";
+const QString PLUGIN_ID_ATTR            = "id";
+const QString PLUGIN_DLL_ATTR           = "dll";
+const QString PLUGIN_DISPALYNAME_ATTR   = "displayname";
+const QString DESC_TAG                  = "desc";
+
+/*
+ * Constructor.
+ * @configPath : the full path of the config file.
+ */
+CpPluginConfigReader::CpPluginConfigReader(const QString &configPath)
+: mConfigPath (configPath)
+{
+}
+
+/*
+ * Desctructor
+ */
+CpPluginConfigReader::~CpPluginConfigReader()
+{
+}
+
+/*
+ * Reads a cpcfg file, returns a list of CpPluginConfig.
+ */
+QList<CpPluginConfig> CpPluginConfigReader::readCpPluginConfigs()
+{ 
+    CPFW_LOG(QLatin1String("reading cpcfg file:") + mConfigPath);
+    
+    // Empty config file
+    if (mConfigPath.isNull() || mConfigPath.isEmpty()) {
+        CPFW_LOG("CpPluginConfigReader::readCpPluginConfigs() mConfigPath is empty.");
+        return QList<CpPluginConfig> ();
+    }
+
+    QFile file(mConfigPath);
+    
+    // Config file doesn't exist
+    if (!file.exists()) {
+        CPFW_LOG( mConfigPath  + " does not exist.");
+        return QList<CpPluginConfig> ();
+    }
+    
+    // Open config file failed
+    if (!file.open(QFile::ReadOnly | QFile::Text)) {
+        CPFW_LOG(QString("CpPluginConfigReader::readCpPluginConfigs() open file failed. Error:%1")
+            .arg(static_cast<int>(file.error()),0,10));
+        return QList<CpPluginConfig> ();
+    }
+
+    QXmlStreamReader reader(&file);
+
+    QList<CpPluginConfig> cpPluginConfigList;
+
+    readCpPluginConfigs(reader, cpPluginConfigList);
+
+    file.close();
+
+    return cpPluginConfigList;
+}
+
+/*
+ * Read a list of CpPluginConfig from a xml stream.
+ */
+void CpPluginConfigReader::readCpPluginConfigs(QXmlStreamReader &xmlReader,QList<CpPluginConfig> &cpPluginConfigList)
+{
+    xmlReader.readNext();
+
+    while (!xmlReader.atEnd()) {
+        
+        if (xmlReader.isStartElement()) {
+            // Read <childplugins> node
+            if (xmlReader.name() == CHILD_PLUGINS_TAG) {
+                readChildPluginsElement(xmlReader, cpPluginConfigList);
+            }
+            else {
+                xmlReader.raiseError("Not a valid file with the right format.");
+            }
+        }
+        
+        else {
+            xmlReader.readNext();
+        }
+    }
+}
+
+/*
+ * Read <childplugins> node.
+ */
+void CpPluginConfigReader::readChildPluginsElement(QXmlStreamReader &xmlReader,QList<CpPluginConfig> &cpPluginConfigList)
+{
+    xmlReader.readNext();
+
+    while (!xmlReader.atEnd()) {
+        
+        if (xmlReader.isEndElement()) {
+            xmlReader.readNext();
+            break;
+        }
+
+        if (xmlReader.isStartElement()) {
+            // Read <plugin> node
+            if (xmlReader.name() == PLUGIN_TAG) {
+                readPluginElement(xmlReader, cpPluginConfigList);
+            }
+            // Skip invalid node
+            else {
+                skipUnknownElement(xmlReader);
+            }
+        }
+        
+        else {
+            xmlReader.readNext();
+        }
+    }
+}
+
+/*
+ * Read <plugin> node.
+ */
+void CpPluginConfigReader::readPluginElement(QXmlStreamReader &xmlReader,QList<CpPluginConfig> &cpPluginConfigList)
+{ 
+    CpPluginConfig cpPluginConfig;
+  
+    QXmlStreamAttributes xmlAttributes = xmlReader.attributes();
+  
+    // Read <id> attribute
+    if (xmlAttributes.hasAttribute(PLUGIN_ID_ATTR))  {
+        cpPluginConfig.mUid 
+            = (xmlAttributes.value(PLUGIN_ID_ATTR)).toString().toUInt(0,16);
+    }
+  
+    // Read <dll> attribute
+    if (xmlAttributes.hasAttribute(PLUGIN_DLL_ATTR)) {
+        cpPluginConfig.mPluginFile 
+            = (xmlAttributes.value(PLUGIN_DLL_ATTR)).toString();
+    }
+  
+    // Read <displayname> attribute
+    if (xmlAttributes.hasAttribute(PLUGIN_DISPALYNAME_ATTR)) {
+        cpPluginConfig.mDisplayName 
+            = (xmlAttributes.value(PLUGIN_DISPALYNAME_ATTR)).toString();
+    }
+  
+    // Read <description> node
+    readDescElement(xmlReader,cpPluginConfig);
+  
+#ifdef ENABLE_CPFW_LOG
+    cpPluginConfig.dump();
+#endif
+  
+    cpPluginConfigList.append(cpPluginConfig);
+}
+
+/*
+ * Read <description> node.
+ */
+void CpPluginConfigReader::readDescElement(QXmlStreamReader &xmlReader,CpPluginConfig &cpPluginConfig)
+{
+    xmlReader.readNext();
+
+    while (!xmlReader.atEnd()) {
+        
+        if (xmlReader.isEndElement()) {
+            xmlReader.readNext();
+            break;
+        }
+
+        if (xmlReader.isStartElement()) {
+            // valid description node
+            if (xmlReader.name() == DESC_TAG) {
+                cpPluginConfig.mDescription = xmlReader.readElementText();
+                if (xmlReader.isEndElement()) {
+                    xmlReader.readNext();
+                }
+            }
+            // invalid node, skip it
+            else {
+                skipUnknownElement(xmlReader);
+            }
+        }
+        
+        else {
+            xmlReader.readNext();
+        }
+    }
+}
+
+/*
+ * ignore invalid node.
+ */
+void CpPluginConfigReader::skipUnknownElement(QXmlStreamReader &xmlReader)
+{
+    xmlReader.readNext();
+
+    while (!xmlReader.atEnd()) {
+        
+        if (xmlReader.isEndElement()) {
+            xmlReader.readNext();
+            break;
+        }
+
+        if (xmlReader.isStartElement()) {
+            skipUnknownElement(xmlReader);
+        }
+        else {
+            xmlReader.readNext();
+        }
+    }
+}