1 /*

     2 * Copyright (c) 2008-2008 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Parser class for parsing landmarks to url and vice versa

    15 *

    16 */

    17 

    18 #ifndef CESMRURLPARSERPLUGINIMPL_H

    19 #define CESMRURLPARSERPLUGINIMPL_H

    20 

    21 

    22 #include <e32std.h>

    23 #include <e32base.h>

    24 #include <f32file.h>                // RFs

    25 #include <barsc.h>                  // RResourceFile

    26 #include <barsread.h>               // TResourceReader

    27 

    28 #include "cesmrurlparserplugin.h"

    29 

    30 class CPosLandmark;

    31 

    32 

    33 /**

    34  *  Parser class for parsing URL to landmark and vice versa

    35  *  

    36  */

    37 class CESMRUrlParserPluginImpl : public CESMRUrlParserPlugin

    38     {

    39 

    40 public:

    41 

    42     static CESMRUrlParserPluginImpl* NewL();

    43     static CESMRUrlParserPluginImpl* NewLC();

    44 

    45 

    46    /**

    47     * Destructor.

    48     */

    49     virtual ~CESMRUrlParserPluginImpl();

    50 

    51     /**

    52      * Finds location URL from given text input

    53      *

    54      * @param aText text where URL is searched from

    55      * @param aUrl points to founded URL after execution

    56      * @return URL start position in aText,

    57      *         if not found returns KErrNotFound/KErrArgument or other

    58      *         unexpected Symbian wide errorcode

    59      */

    60     TInt FindLocationUrl( const TDesC& aText, TPtrC& aUrl );

    61 

    62     /**

    63      * Creates location URL from landmark object

    64      * May leave with KErrNotFound/KErrArgument or other Symbian wide errorcode

    65      *

    66      * @param aLandmark contains landmark object that is parsed to location URL

    67      * @return pointer to created location URL, caller takes ownership

    68      */

    69     HBufC* CreateUrlFromLandmarkL( const CPosLandmark& aLandmark );

    70     

    71     /**

    72      * Creates landmark object from location URL

    73      * May leave with KErrNotFound/KErrArgument or other Symbian wide errorcode

    74      *

    75      * @param aUrl contains location URL from which landmark is created

    76      * @return pointer to created landmark object, caller takes ownership

    77      */

    78     CPosLandmark* CreateLandmarkFromUrlL( const TDesC& aUrl );    

    79     

    80 private:

    81 

    82     CESMRUrlParserPluginImpl();

    83 

    84     void ConstructL();

    85     

    86     TInt DoFindLocationUrlL( const TDesC& aText, 

    87                              TPtrC& aUrl );

    88     

    89     TInt LocateResourceFile( 

    90             const TDesC& aResource,

    91             const TDesC& aPath,

    92             TFileName &aResourceFile,

    93             RFs* aFs );

    94     

    95     void InitializeL();

    96     

    97     HBufC* ReadResourceStringLC( TInt aResourceId );

    98     

    99     void CheckCoordinateParamL( const TDesC& aParam );

   100     

   101     void GetCoordinateParamValuesL( const TDesC& aUrl, TPtrC& aLatitude,

   102                                     TPtrC& aLongitude );

   103 private: // data

   104 

   105     /**

   106      * Tells if this instance is yet initialized

   107      */

   108     TBool iIsInitialized;

   109     

   110     /**

   111      * File server session

   112      */

   113     RFs iFs;

   114     

   115     /**

   116      * Resource file

   117      */

   118     RResourceFile iFile;

   119     

   120     /**

   121      * Resource file reader

   122      */    

   123     TResourceReader iReader;

   124     };

   125 

   126 

   127 #endif //   CESMRURLPARSERPLUGINIMPL_H