165 lines
7.4 KiB
C
165 lines
7.4 KiB
C
/*
|
|
**********************************************************************
|
|
* Copyright (C) 1999, International Business Machines
|
|
* Corporation and others. All Rights Reserved.
|
|
**********************************************************************
|
|
*
|
|
* uconv_cnv.h:
|
|
* defines all the low level conversion functions
|
|
* T_UnicodeConverter_{to,from}Unicode_$ConversionType
|
|
*/
|
|
|
|
#ifndef UCNV_CNV_H
|
|
#define UCNV_CNV_H
|
|
|
|
#include "unicode/utypes.h"
|
|
#include "unicode/ucnv_bld.h"
|
|
|
|
U_CDECL_BEGIN
|
|
|
|
#define missingCharMarker 0xFFFF
|
|
#define missingUCharMarker 0xFFFD
|
|
|
|
#define FromU_CALLBACK_MACRO(_this, myTarget, myTargetIndex, targetLimit, mySource, mySourceIndex, sourceLimit, offsets, flush, err) \
|
|
if (_this->fromUCharErrorBehaviour == (UConverterFromUCallback) UCNV_FROM_U_CALLBACK_STOP) break;\
|
|
else \
|
|
{ \
|
|
char *myTargetCopy = myTarget + myTargetIndex; \
|
|
const UChar *mySourceCopy = mySource + mySourceIndex; \
|
|
/*copies current values for the ErrorFunctor to update */ \
|
|
/*Calls the ErrorFunctor */ \
|
|
_this->fromUCharErrorBehaviour (_this, \
|
|
(char **) &myTargetCopy, \
|
|
targetLimit, \
|
|
(const UChar **) &mySourceCopy, \
|
|
sourceLimit, \
|
|
offsets, \
|
|
flush, \
|
|
err); \
|
|
/*Update the local Indexes so that the conversion can restart at the right points */ \
|
|
mySourceIndex = (mySourceCopy - mySource) ; \
|
|
myTargetIndex = (char*)myTargetCopy - (char*)myTarget ; \
|
|
}
|
|
|
|
#define ToU_CALLBACK_MACRO(_this, myTarget, myTargetIndex, targetLimit, mySource, mySourceIndex, sourceLimit, offsets, flush, err) \
|
|
if (_this->fromCharErrorBehaviour == (UConverterToUCallback) UCNV_TO_U_CALLBACK_STOP) break; \
|
|
else \
|
|
{ \
|
|
UChar *myTargetCopy = myTarget + myTargetIndex; \
|
|
const char *mySourceCopy = mySource + mySourceIndex; \
|
|
/*Calls the ErrorFunctor */ \
|
|
_this->fromCharErrorBehaviour (_this, \
|
|
&myTargetCopy, \
|
|
targetLimit, \
|
|
(const char **) &mySourceCopy, \
|
|
sourceLimit, \
|
|
offsets, \
|
|
flush, \
|
|
err); \
|
|
/*Update the local Indexes so that the conversion can restart at the right points */ \
|
|
mySourceIndex = ((char*)mySourceCopy - (char*)mySource); \
|
|
myTargetIndex = (myTargetCopy - myTarget); \
|
|
}
|
|
|
|
#define FromU_CALLBACK_OFFSETS_LOGIC_MACRO(_this, myTarget, myTargetIndex, targetLimit, mySource, mySourceIndex, sourceLimit, offsets, flush, err) \
|
|
if (_this->fromUCharErrorBehaviour == (UConverterFromUCallback) UCNV_FROM_U_CALLBACK_STOP) break;\
|
|
else \
|
|
{ \
|
|
char *myTargetCopy = myTarget + myTargetIndex; \
|
|
const UChar *mySourceCopy = mySource + mySourceIndex; \
|
|
int32_t My_i = myTargetIndex; \
|
|
/*copies current values for the ErrorFunctor to update */ \
|
|
/*Calls the ErrorFunctor */ \
|
|
_this->fromUCharErrorBehaviour (_this, \
|
|
(char **) &myTargetCopy, \
|
|
targetLimit, \
|
|
(const UChar **) &mySourceCopy, \
|
|
sourceLimit, \
|
|
offsets + myTargetIndex, \
|
|
flush, \
|
|
err); \
|
|
/*Update the local Indexes so that the conversion can restart at the right points */ \
|
|
mySourceIndex = mySourceCopy - mySource ; \
|
|
myTargetIndex = (char*)myTargetCopy - (char*)myTarget ; \
|
|
for (;My_i < myTargetIndex;My_i++) offsets[My_i] += currentOffset ; \
|
|
}
|
|
|
|
#define ToU_CALLBACK_OFFSETS_LOGIC_MACRO(_this, myTarget, myTargetIndex, targetLimit, mySource, mySourceIndex, sourceLimit, offsets, flush, err) \
|
|
if (_this->fromCharErrorBehaviour == (UConverterToUCallback) UCNV_TO_U_CALLBACK_STOP) break; \
|
|
else \
|
|
{ \
|
|
UChar *myTargetCopy = myTarget + myTargetIndex; \
|
|
const char *mySourceCopy = mySource + mySourceIndex; \
|
|
int32_t My_i = myTargetIndex; \
|
|
_this->fromCharErrorBehaviour (_this, \
|
|
&myTargetCopy, \
|
|
targetLimit, \
|
|
(const char **) &mySourceCopy, \
|
|
sourceLimit, \
|
|
offsets + myTargetIndex, \
|
|
flush, \
|
|
err); \
|
|
/*Update the local Indexes so that the conversion can restart at the right points */ \
|
|
mySourceIndex = (char *)mySourceCopy - (char*)mySource; \
|
|
myTargetIndex = ((UChar*)myTargetCopy - (UChar*)myTarget); \
|
|
for (;My_i < myTargetIndex;My_i++) {offsets[My_i] += currentOffset ; } \
|
|
}
|
|
|
|
typedef void (*T_ToUnicodeFunction) (UConverter *,
|
|
UChar **,
|
|
const UChar *,
|
|
const char **,
|
|
const char *,
|
|
int32_t* offsets,
|
|
bool_t,
|
|
UErrorCode *);
|
|
|
|
typedef void (*T_FromUnicodeFunction) (UConverter *,
|
|
char **,
|
|
const char *,
|
|
const UChar **,
|
|
const UChar *,
|
|
int32_t* offsets,
|
|
bool_t,
|
|
UErrorCode *);
|
|
|
|
typedef UChar (*T_GetNextUCharFunction) (UConverter *,
|
|
const char **,
|
|
const char *,
|
|
UErrorCode *);
|
|
|
|
bool_t CONVERSION_U_SUCCESS (UErrorCode err);
|
|
|
|
void flushInternalUnicodeBuffer (UConverter * _this,
|
|
UChar * myTarget,
|
|
int32_t * myTargetIndex,
|
|
int32_t targetLength,
|
|
int32_t** offsets,
|
|
UErrorCode * err);
|
|
|
|
void flushInternalCharBuffer (UConverter * _this,
|
|
char *myTarget,
|
|
int32_t * myTargetIndex,
|
|
int32_t targetLength,
|
|
int32_t** offsets,
|
|
UErrorCode * err);
|
|
|
|
struct UConverterImpl {
|
|
UConverterType type;
|
|
|
|
T_ToUnicodeFunction toUnicode;
|
|
T_ToUnicodeFunction toUnicodeWithOffsets;
|
|
T_FromUnicodeFunction fromUnicode;
|
|
T_FromUnicodeFunction fromUnicodeWithOffsets;
|
|
T_GetNextUCharFunction getNextUChar;
|
|
};
|
|
|
|
extern UConverterSharedData
|
|
_SBCSData, _DBCSData, _MBCSData, _Latin1Data,
|
|
_UTF8Data, _UTF16BEData, _UTF16LEData, _EBCDICStatefulData,
|
|
_ISO2022Data;
|
|
|
|
U_CDECL_END
|
|
|
|
#endif /* UCNV_CNV */
|