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urep.h

00001 /*
00002 ******************************************************************************
00003 *   Copyright (C) 1997-2001, International Business Machines
00004 *   Corporation and others.  All Rights Reserved.
00005 ******************************************************************************
00006 *   Date        Name        Description
00007 *   06/23/00    aliu        Creation.
00008 ******************************************************************************
00009 */
00010 
00011 #ifndef __UREP_H
00012 #define __UREP_H
00013 
00014 #include "unicode/utypes.h"
00015 
00016 U_CDECL_BEGIN
00017 
00018 /********************************************************************
00019  * General Notes
00020  ********************************************************************
00021  * TODO
00022  * Add usage scenario
00023  * Add test code
00024  * Talk about pinning
00025  * Talk about "can truncate result if out of memory"
00026  */
00027 
00028 /********************************************************************
00029  * Data Structures
00030  ********************************************************************/
00031 
00038 typedef void* UReplaceable;
00039 
00047 typedef struct _UReplaceableCallbacks {
00048 
00054     int32_t (*length)(const UReplaceable* rep);
00055 
00063     UChar   (*charAt)(const UReplaceable* rep,
00064                       int32_t offset);
00065 
00072     UChar32 (*char32At)(const UReplaceable* rep,
00073                         int32_t offset);
00074     
00089     void    (*replace)(UReplaceable* rep,
00090                        int32_t start,
00091                        int32_t limit,
00092                        const UChar* text,
00093                        int32_t textLength);
00094     
00106     void    (*extract)(UReplaceable* rep,
00107                        int32_t start,
00108                        int32_t limit,
00109                        UChar* dst);
00110 
00125     void    (*copy)(UReplaceable* rep,
00126                     int32_t start,
00127                     int32_t limit,
00128                     int32_t dest);    
00129 
00130 } UReplaceableCallbacks;
00131 
00132 U_CDECL_END
00133 
00134 #endif

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