locationcentre/lcserver/src/lcregxmlparserutils.cpp
branchRCL_3
changeset 16 4721bd00d3da
parent 14 3a25f69541ff
child 21 e15b7f06eba6
equal deleted inserted replaced
14:3a25f69541ff 16:4721bd00d3da
     1 /*
       
     2 * Copyright (c) 2007 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:  Location Centre Server object.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // SYSTEM INCLUDES
       
    20 #include <utf.h>
       
    21 
       
    22 // USER INCLUDES
       
    23 #include "lcregxmlparserutils.h"
       
    24 #include "lcregxmltagtype.h"
       
    25 
       
    26 // CONSTANTS
       
    27 const TInt KBufLength = 30;
       
    28 
       
    29 // ============================ MEMBER FUNCTIONS ===============================
       
    30 
       
    31 // -----------------------------------------------------------------------------
       
    32 // LcRegXmlParserUtils::Utf8ToUnicodeL
       
    33 //
       
    34 // (other items were commented in a header).
       
    35 // -----------------------------------------------------------------------------
       
    36 //
       
    37 void LcRegXmlParserUtils::Utf8ToUnicodeL(
       
    38     const TDesC8& aUtf8,
       
    39     TDes16& aUnicode)
       
    40     {
       
    41     // Create a small output buffer
       
    42     TBuf16<KBufLength> output;
       
    43     // Create a buffer for the unconverted text
       
    44     TPtrC8 remUtf8(aUtf8);
       
    45 
       
    46     TBool convertingReady = EFalse;
       
    47     while (!convertingReady) // conversion loop
       
    48         {
       
    49         // Start conversion. When the output buffer is full, return the
       
    50         // number of characters that were not converted
       
    51         const TInt err = CnvUtfConverter::ConvertToUnicodeFromUtf8(
       
    52             output, remUtf8);
       
    53 
       
    54         // check to see that the descriptor isn't corrupt - leave if it is
       
    55         if (err == CnvUtfConverter::EErrorIllFormedInput)
       
    56             {
       
    57             User::Leave(KErrCorrupt);
       
    58             }
       
    59         else if (err < 0) // future-proof against "TError" expanding
       
    60             {
       
    61             User::Leave(KErrGeneral);
       
    62             }
       
    63 
       
    64         // Do something here to store the contents of the output buffer.
       
    65         if (aUnicode.Length() + output.Length() > aUnicode.MaxLength())
       
    66             {
       
    67             User::Leave(KErrNoMemory);
       
    68             }
       
    69         aUnicode.Append(output);
       
    70 
       
    71         // Finish conversion if there are no unconverted characters in the
       
    72         // remainder buffer
       
    73         if (err == 0)
       
    74             {
       
    75             convertingReady = ETrue;
       
    76             }
       
    77         else
       
    78             {
       
    79             // Remove the converted source text from the remainder buffer.
       
    80             // The remainder buffer is then fed back into loop
       
    81             remUtf8.Set(remUtf8.Right(err));
       
    82             }
       
    83         }
       
    84     }
       
    85 
       
    86 // -----------------------------------------------------------------------------
       
    87 // LcRegXmlParserUtils::OnlyWhiteSpaces
       
    88 //
       
    89 // (other items were commented in a header).
       
    90 // -----------------------------------------------------------------------------
       
    91 //
       
    92 TBool LcRegXmlParserUtils::OnlyWhiteSpaces(
       
    93     const TDesC8& aStr)
       
    94     {
       
    95     for (TInt i=0; i<aStr.Length(); i++)
       
    96         {
       
    97         TChar ch = TChar(aStr[i]);
       
    98         if (!ch.IsSpace())
       
    99             {
       
   100             return EFalse;
       
   101             }
       
   102         }
       
   103 
       
   104     return ETrue;
       
   105     }
       
   106 //  End of File