--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/sisrscontrollerplugin/src/asrplugindataloader.h Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,162 @@
+/*
+* Copyright (c) 2004 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: Utility class for SI Plugin to read data from file.
+*
+*/
+
+
+#ifndef ASRPLUGINDATALOADER_H
+#define ASRPLUGINDATALOADER_H
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+#include <f32file.h>
+#include "srsfbldvariant.hrh"
+
+
+// FORWARD DECLARATION
+class MSysConfigProvider;
+
+// CLASS DECLARATION
+
+/**
+* Class for SI Plugin to load language package file.
+*
+* @lib SIControllerPlugin.lib
+* @since 2.8
+*/
+class CDataLoader : public CBase
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ */
+ static CDataLoader* NewL( const TDesC& aPrefixOfFileName,
+ const TDesC& aSeparator,
+ const TDesC& aPostfixOfFileName,
+ MSysConfigProvider *aProvider = NULL );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CDataLoader();
+
+ public: // New functions
+
+ /**
+ * Load language package file. It resovles the name of the langage package
+ *
+ * @since 2.8
+ * @param aPackageType Type identifier.
+ * @param aPackageID Identifier of package.
+ * @param aStartPosition Starting position within package in bytes.
+ * @param aEndPosition Ending position within package in bytes.
+ * @return Pointer to created buffer containing the request data.
+ * NULL if error occurs during loading.
+ */
+ HBufC8* LoadData( TUint32 aPackageType,
+ TUint32 aPackageID,
+ TUint32 aStartPosition ,
+ TUint32 aEndPosition );
+
+ protected:
+
+ /**
+ * Actual file loading function.
+ *
+ * @since 2.8
+ * @param aFile Data file name
+ * @param aStartPosition Starting position within package in bytes.
+ * @param aEndPosition Ending position within package in bytes.
+ * @return Pointer to created buffer containing the request data.
+ * NULL if error occurs during loading.
+ */
+ HBufC8* DoLoadL( TFileName& aFile,
+ TUint32 aStartPosition,
+ TUint32 aEndPosition );
+
+ private:
+
+ /**
+ * C++ default constructor.
+ */
+ CDataLoader();
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void ConstructL( const TDesC& aPrefixOfFileName,
+ const TDesC& aSeparator,
+ const TDesC& aPostfixOfFileName,
+ MSysConfigProvider *aProvider);
+
+ /**
+ * Helper function for creating data file names
+ * @param aFileName TFileName where to write the result
+ * @param aPackageType Type identifier.
+ * @param aPackageID Identifier of package.
+ */
+ void PackageName (TFileName &aFileName, TUint32 aPackageType, TUint32 aPackageID);
+
+
+#ifdef __SIND_AUTOCONF_LID
+ /**
+ * Special loader for language identification data
+ * @return Pointer to the loaded data
+ * NULL if error occurs during loading
+ */
+ HBufC8* ConstructLidDataL();
+
+
+ /**
+ * Loads a file to the end of a buffer
+ * @param aBuffer The buffer where to load the data
+ * @param aPackageType Type identifier.
+ * @param aPackageID Identifier of package.
+ */
+ void AppendLoadL( CBufBase *aBuffer, TUint32 aPackageType, TUint32 aPackageID );
+
+
+ /**
+ * Obtains the list of installed languages in the system and loads the corresponding data files
+ * to the buffer.
+ * @param aBuffer The buffer where to load the data
+ */
+ void SysLangPackagesToBufferL( CBufBase *aBuffer );
+
+#endif // __SIND_AUTOCONF_LID
+
+
+ private: // Data
+
+ // seperator
+ HBufC* iSeparator ;
+
+ // Prefix of file name
+ HBufC* iPrefixOfFileName;
+
+ // Postfix of file name
+ HBufC* iPostfixOfFileName;
+
+ // File session
+ RFs iFs;
+
+ // Provides language configuration
+ MSysConfigProvider *iProvider;
+ };
+
+#endif // ASRPLUGINDATALOADER_H
+// End of File