1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // This file contains methods allow to change XmlChar to TDesC

    15 // and TDesC to XmlChar

    16 //

    17 

    18 #include <stdapis/libxml2/libxml2_globals.h>

    19 #include <stdapis/libxml2/libxml2_entities.h>

    20 

    21 #include <xml/utils/xmlengmem.h>

    22 

    23 #include <utf.h>

    24 #include <escapeutils.h>

    25 

    26 EXPORT_C char* XmlEngEscapeForXmlValueL(

    27     const char* aUnescapedString )

    28     {

    29     xmlChar* res = xmlEncodeSpecialChars(NULL, (const xmlChar*)aUnescapedString);

    30     if(aUnescapedString && !res)

    31         {

    32         OOM_HAPPENED;

    33         }

    34     return (char*)res;

    35     }

    36 

    37 EXPORT_C char* XmlEngXmlCharFromDesL(

    38     const TDesC& aDes ) // UTF-16 descriptor to convert into UTF-8 zero-terminated string

    39     {

    40     TUint len = ((aDes.Length() + 4) | 0x1F);

    41     char* str = new(ELeave) char[len + 1];

    42     TPtr8 utf8buf((TUint8*)str, 0, len);

    43     TInt res = CnvUtfConverter::ConvertFromUnicodeToUtf8(utf8buf, aDes);

    44     if (res == 0)

    45         {

    46         str[utf8buf.Size()] = 0;

    47         return str;

    48         }

    49     //the buffer size was not large enough:

    50     //reallocate the larger buffer

    51     const TInt maxSizeOfSymbol = 4;

    52     len = len + res*maxSizeOfSymbol; // res contains number of non-converted UTF-16 characters

    53     delete str;

    54     str = new(ELeave) char[len + 1];

    55     TPtr8 utf8buf2((TUint8*)str, 0, len);

    56     res = CnvUtfConverter::ConvertFromUnicodeToUtf8(utf8buf2, aDes);

    57     if (res == 0)

    58         {

    59         str[utf8buf2.Size()] = 0;

    60         return str;

    61         }

    62     delete str;

    63     str = NULL;

    64     User::Leave(KErrGeneral); // this should never happen;

    65     return NULL;

    66     }

    67 

    68 EXPORT_C char* XmlEngXmlCharFromDes8L(

    69     const TDesC8& aDes )

    70     {

    71     TUint len = aDes.Length();

    72     char* str = new(ELeave) char[len + 1];

    73     memcpy(str, aDes.Ptr(), len);

    74     str[len] = 0;

    75     return str;

    76     }