1 /*

     2 * Copyright (c) 2000 - 2001 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 the License "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: 

    15 *

    16 */

    17 

    18 

    19 

    20 #include <f32file.h>

    21 #include <xml/cxml/cxml_file_if.h>

    22 #include <xml/cxml/nw_string_char.h>

    23 

    24 

    25 //

    26 //CXML_Read_From_File()

    27 //

    28 

    29 EXPORT_C

    30 NW_Status_t CXML_Read_From_File(

    31 				   NW_Byte* input_file,NW_Uint8** buffer, NW_Int32* bufferLen)

    32 {

    33   RFile file;

    34   RFs aSession;

    35   TInt fileErr;

    36   CXML_Uint32 fileNameByteCnt;

    37   TInt fileNameLen; 

    38   NW_Status_t retVal =  NW_STAT_SUCCESS;

    39   TUint16* fileName;

    40   TInt i;

    41   TInt err = KErrNone;

    42   HBufC8*  inBuf;

    43   CXML_Uint8* bufPtr;

    44   TPtr8 inBufDes(NULL,0);

    45 

    46 

    47   if( (input_file == NULL) || (buffer == NULL) || (bufferLen == NULL) )

    48   {

    49 	retVal = NW_STAT_FAILURE;

    50 	return retVal;

    51   }

    52 

    53   *bufferLen = -1; //Default value

    54 

    55   err = aSession.Connect();

    56   if(KErrNone != err)

    57   {

    58 	retVal = NW_STAT_FAILURE;

    59 	return retVal;  	

    60   }

    61   fileNameLen = NW_String_charBuffGetLength(input_file,HTTP_us_ascii,&fileNameByteCnt);

    62 

    63   

    64   //This is required for TPtrC

    65 

    66   fileName = new TUint16[fileNameLen];

    67 

    68   if(fileName == NULL)

    69   {

    70    retVal = NW_STAT_OUT_OF_MEMORY;

    71    return retVal;

    72   }

    73 

    74 

    75   for(i=0; i < fileNameLen; i++)

    76   {

    77 	  fileName[i] = input_file[i];

    78   }

    79 

    80   TPtrC inFileN(fileName,fileNameLen);

    81 

    82   fileErr = file.Open(aSession,inFileN,EFileRead);

    83 

    84   if ( fileErr != KErrNone )	

    85   {

    86     retVal = NW_STAT_FILE_NOT_OPEN; 

    87 	delete[] fileName;

    88 	return retVal;

    89   }

    90   

    91 

    92     TInt fileSize;

    93 	

    94   //Get File Size

    95 

    96   fileErr = file.Size( fileSize );

    97 

    98   if(fileErr != KErrNone )	

    99   {

   100     retVal = NW_STAT_UNEXPECTED_ERROR;

   101 	delete[] fileName;

   102 	file.Close();

   103 	return retVal;

   104   }

   105 

   106   *bufferLen = fileSize;

   107 

   108   // Allocate buffer to read the cXML FILE contents

   109 

   110    inBuf = HBufC8::New(fileSize);

   111 

   112    //Get the pointer to heap object

   113 

   114    inBufDes.Set(inBuf->Des()) ;

   115 

   116   if(inBuf)

   117   {

   118 	  

   119 	  //Now read the file

   120 

   121       fileErr = file.Read(inBufDes);

   122 

   123 	  

   124      if(fileErr != KErrNone )	

   125 	 {

   126       delete inBuf;  //TODO: Change to more meaningful error

   127 	  delete[] fileName;

   128 	  file.Close();

   129 	  *bufferLen = -1;

   130 	  retVal = NW_STAT_FILE_READ_ERROR;

   131 	  return retVal;	

   132 	 }

   133   }

   134   else

   135   {

   136 	delete[] fileName;

   137 	file.Close();

   138 	*bufferLen = -1;

   139 	retVal = NW_STAT_FAILURE;

   140 	return retVal;

   141   }

   142 

   143   

   144   //Allocate the buffer and copy the contents to this

   145 

   146   *buffer = new CXML_Byte[fileSize];

   147 

   148 

   149   if(*buffer == NULL)

   150   {

   151    retVal = NW_STAT_OUT_OF_MEMORY;

   152    return retVal;

   153   }

   154 

   155 

   156   bufPtr = (CXML_Byte*) inBuf->Ptr(); //Get pointer to the data

   157 

   158    for(i=0; i < fileSize; i++)

   159 	{

   160 	  (*buffer)[i] = bufPtr[i];

   161 	}

   162 

   163   delete inBuf;

   164   delete[] fileName;

   165   file.Close();

   166   aSession.Close();

   167   return retVal;

   168  

   169 }//end CXMLTestParser::CXML_Read_From_File()