charconvfw/Charconv/ongoing/test/source/otherutf/UTF7.H
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     1 /*
       
     2 * Copyright (c) 2000-2005 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:      
       
    15 *
       
    16 */
       
    17 /* ================================================================ */
       
    18 /*
       
    19 File:   ConvertUTF7.h
       
    20 Author: David B. Goldsmith
       
    21 Copyright (C) 1994 Taligent, Inc. All rights reserved.
       
    22 
       
    23 This code is copyrighted. Under the copyright laws, this code may not
       
    24 be copied, in whole or part, without prior written consent of Taligent. 
       
    25 
       
    26 Taligent grants the right to use this code as long as this ENTIRE
       
    27 copyright notice is reproduced in the code.  The code is provided
       
    28 AS-IS, AND TALIGENT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR
       
    29 IMPLIED, INCLUDING, BUT NOT LIMITED TO IMPLIED WARRANTIES OF
       
    30 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT
       
    31 WILL TALIGENT BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING,
       
    32 WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS
       
    33 INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY
       
    34 LOSS) ARISING OUT OF THE USE OR INABILITY TO USE THIS CODE, EVEN
       
    35 IF TALIGENT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
       
    36 BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF
       
    37 LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE
       
    38 LIMITATION MAY NOT APPLY TO YOU.
       
    39 
       
    40 RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the
       
    41 government is subject to restrictions as set forth in subparagraph
       
    42 (c)(l)(ii) of the Rights in Technical Data and Computer Software
       
    43 clause at DFARS 252.227-7013 and FAR 52.227-19.
       
    44 
       
    45 This code may be protected by one or more U.S. and International
       
    46 Patents.
       
    47 
       
    48 TRADEMARKS: Taligent and the Taligent Design Mark are registered
       
    49 trademarks of Taligent, Inc.
       
    50 */
       
    51 /* ================================================================ */
       
    52 
       
    53 /* ================================================================ */
       
    54 /*      The following definitions are compiler-specific.
       
    55         I would use wchar_t for UCS2/UTF16, except that the C standard
       
    56         does not guarantee that it has at least 16 bits, so wchar_t is
       
    57         no more portable than unsigned short!
       
    58 */
       
    59 
       
    60 typedef unsigned short  UCS2;
       
    61 
       
    62 /* ================================================================ */
       
    63 /*      Each of these routines converts the text between *sourceStart and 
       
    64 sourceEnd, putting the result into the buffer between *targetStart and
       
    65 targetEnd. Note: the end pointers are *after* the last item: e.g. 
       
    66 *(sourceEnd - 1) is the last item.
       
    67 
       
    68         The return result indicates whether the conversion was successful,
       
    69 and if not, whether the problem was in the source or target buffers.
       
    70 
       
    71         After the conversion, *sourceStart and *targetStart are both
       
    72 updated to point to the end of last text successfully converted in
       
    73 the respective buffers.
       
    74 
       
    75 		In ConvertUCS2toUTF7, optional indicates whether UTF-7 optional
       
    76 characters should be directly encoded, and verbose controls whether the
       
    77 shift-out character, "-", is always emitted at the end of a shifted
       
    78 sequence.
       
    79 */
       
    80 
       
    81 #if !defined(__E32STD_H__) // added by DPB
       
    82 #include <e32std.h> // added by DPB
       
    83 #endif // added by DPB
       
    84 
       
    85 typedef enum {
       
    86         ok,                             /* conversion successful */
       
    87         sourceCorrupt,          /* source contains invalid UTF-7 */
       
    88         targetExhausted         /* insuff. room in target for conversion */
       
    89 } ConversionResult;
       
    90 
       
    91 
       
    92 IMPORT_C ConversionResult        ConvertUCS2toUTF7 ( // added by DPB
       
    93 //extern ConversionResult        ConvertUCS2toUTF7 ( // commented out by DPB
       
    94                 UCS2** sourceStart, UCS2* sourceEnd, 
       
    95                 char** targetStart, char* targetEnd,
       
    96                 int optional, int verbose);
       
    97 
       
    98 IMPORT_C ConversionResult        ConvertUTF7toUCS2 ( // added by DPB
       
    99 //extern ConversionResult        ConvertUTF7toUCS2 ( // commented out by DPB
       
   100                 char** sourceStart, char* sourceEnd, 
       
   101                 UCS2** targetStart, UCS2* targetEnd);
       
   102 
       
   103 /* ================================================================ */