diff options
Diffstat (limited to 'CVTUTF7.H')
| -rw-r--r-- | CVTUTF7.H | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/CVTUTF7.H b/CVTUTF7.H new file mode 100644 index 0000000..788e0d1 --- /dev/null +++ b/CVTUTF7.H @@ -0,0 +1,80 @@ +/* ================================================================ */ +/* +File: ConvertUTF7.h +Author: David B. Goldsmith +Copyright (C) 1994 Taligent, Inc. All rights reserved. + +This code is copyrighted. Under the copyright laws, this code may not +be copied, in whole or part, without prior written consent of Taligent. + +Taligent grants the right to use this code as long as this ENTIRE +copyright notice is reproduced in the code. The code is provided +AS-IS, AND TALIGENT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR +IMPLIED, INCLUDING, BUT NOT LIMITED TO IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT +WILL TALIGENT BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING, +WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS +INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY +LOSS) ARISING OUT OF THE USE OR INABILITY TO USE THIS CODE, EVEN +IF TALIGENT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. +BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF +LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE +LIMITATION MAY NOT APPLY TO YOU. + +RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the +government is subject to restrictions as set forth in subparagraph +(c)(l)(ii) of the Rights in Technical Data and Computer Software +clause at DFARS 252.227-7013 and FAR 52.227-19. + +This code may be protected by one or more U.S. and International +Patents. + +TRADEMARKS: Taligent and the Taligent Design Mark are registered +trademarks of Taligent, Inc. +*/ +/* ================================================================ */ + +/* ================================================================ */ +/* The following definitions are compiler-specific. + I would use wchar_t for UCS2/UTF16, except that the C standard + does not guarantee that it has at least 16 bits, so wchar_t is + no more portable than unsigned short! +*/ + +typedef unsigned short UCS2; + +/* ================================================================ */ +/* Each of these routines converts the text between *sourceStart and +sourceEnd, putting the result into the buffer between *targetStart and +targetEnd. Note: the end pointers are *after* the last item: e.g. +*(sourceEnd - 1) is the last item. + + The return result indicates whether the conversion was successful, +and if not, whether the problem was in the source or target buffers. + + After the conversion, *sourceStart and *targetStart are both +updated to point to the end of last text successfully converted in +the respective buffers. + + In ConvertUCS2toUTF7, optional indicates whether UTF-7 optional +characters should be directly encoded, and verbose controls whether the +shift-out character, "-", is always emitted at the end of a shifted +sequence. +*/ + +typedef enum { + ok, /* conversion successful */ + sourceCorrupt, /* source contains invalid UTF-7 */ + targetExhausted /* insuff. room in target for conversion */ +} ConversionResult; + +extern ConversionResult ConvertUCS2toUTF7 ( + UCS2** sourceStart, UCS2* sourceEnd, + char** targetStart, char* targetEnd, + int optional, int verbose); + +extern ConversionResult ConvertUTF7toUCS2 ( + char** sourceStart, char* sourceEnd, + UCS2** targetStart, UCS2* targetEnd); + +/* ================================================================ */ |