icuSources/samples/ucnv/flagcb.h

   1 /* © 2016 and later: Unicode, Inc. and others.
   2    License & terms of use: http://www.unicode.org/copyright.html#License
   3
   4    Copyright (c) 2000 IBM, Inc. and Others.
   5    FLAGCB.H - interface to 'flagging' callback which
   6    simply marks the fact that the callback was called.
   7 */
   8
   9 #ifndef _FLAGCB
  10 #define _FLAGCB
  11
  12 #include "unicode/utypes.h"
  13 #include "unicode/ucnv.h"
  14
  15 /* The structure of a FromU Flag context.
  16    (conceivably there could be a ToU Flag Context) */
  17
  18 typedef struct
  19 {
  20   UConverterFromUCallback  subCallback;
  21   const void               *subContext;
  22   UBool                    flag;
  23 } FromUFLAGContext;
  24
  25 /**
  26  * open the context
  27  */
  28
  29 U_CAPI FromUFLAGContext* U_EXPORT2  flagCB_fromU_openContext();
  30
  31 /**
  32  * the actual callback
  33  */
  34 U_CAPI void U_EXPORT2 flagCB_fromU(
  35                   const void *context,
  36                   UConverterFromUnicodeArgs *fromUArgs,
  37                   const UChar* codeUnits,
  38                   int32_t length,
  39                   UChar32 codePoint,
  40                   UConverterCallbackReason reason,
  41                                   UErrorCode * err);
  42
  43
  44
  45 typedef struct
  46 {
  47     UConverterFromUCallback  subCallback;
  48     const void               *subContext;
  49     uint32_t       magic;      /* 0xC0FFEE to identify that the object is OK */
  50     uint32_t       serial;     /* minted from nextSerial */
  51 } debugCBContext;
  52
  53 U_CAPI void debugCB_fromU(const void *context,
  54                    UConverterFromUnicodeArgs *fromUArgs,
  55                    const UChar* codeUnits,
  56                    int32_t length,
  57                    UChar32 codePoint,
  58                    UConverterCallbackReason reason,
  59                    UErrorCode * err);
  60
  61 U_CAPI debugCBContext *debugCB_openContext();
  62
  63 #endif