urep.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*   Copyright (C) 1997-2010, International Business Machines
*   Corporation and others.  All Rights Reserved.
******************************************************************************
*   Date        Name        Description
*   06/23/00    aliu        Creation.
******************************************************************************
*/
 
#ifndef __UREP_H
#define __UREP_H
 
#include "unicode/utypes.h"
 
U_CDECL_BEGIN
 
/********************************************************************
 * General Notes
 ********************************************************************
 * TODO
 * Add usage scenario
 * Add test code
 * Talk about pinning
 * Talk about "can truncate result if out of memory"
 */
 
/********************************************************************
 * Data Structures
 ********************************************************************/
typedef void* UReplaceable;
 
typedef struct UReplaceableCallbacks {
 
    int32_t (*length)(const UReplaceable* rep);
 
    UChar   (*charAt)(const UReplaceable* rep,
                      int32_t offset);
 
    UChar32 (*char32At)(const UReplaceable* rep,
                        int32_t offset);
    
    void    (*replace)(UReplaceable* rep,
                       int32_t start,
                       int32_t limit,
                       const UChar* text,
                       int32_t textLength);
    
    void    (*extract)(UReplaceable* rep,
                       int32_t start,
                       int32_t limit,
                       UChar* dst);
 
    void    (*copy)(UReplaceable* rep,
                    int32_t start,
                    int32_t limit,
                    int32_t dest);    
 
} UReplaceableCallbacks;
 
U_CDECL_END
 
#endif