88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/*
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* utf.h
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*
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* Created on: Dec 4, 2020
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* Author: FICOM-IT LTD
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*/
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#ifndef SMS_INC_UTF_H_
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#define SMS_INC_UTF_H_
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#include <stddef.h>
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#include <stdbool.h>
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#include <sys/types.h>
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typedef unsigned int UTF32;
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typedef unsigned short UTF16;
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typedef unsigned char UTF8;
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#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
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#define UNI_MAX_BMP (UTF32)0x0000FFFF
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#define UNI_MAX_UTF16 (UTF32)0x0010FFFF
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#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF
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#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF
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typedef enum {
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conversionOK, /* conversion successful */
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sourceExhausted, /* partial character in source, but hit end */
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targetExhausted, /* insuff. room in target for conversion */
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sourceIllegal /* source sequence is illegal/malformed */
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} ConversionResult;
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typedef enum {
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strictConversion = 0,
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lenientConversion
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} ConversionFlags;
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/* This is for C++ and does no harm in C */
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#ifdef __cplusplus
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extern "C" {
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#endif
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ConversionResult ConvertUTF8toUTF16(
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const UTF8 **sourceStart, const UTF8 *sourceEnd,
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UTF16 **targetStart, UTF16 *targetEnd, ConversionFlags flags);
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ConversionResult ConvertUTF16toUTF8(
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const UTF16 **sourceStart, const UTF16 *sourceEnd,
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UTF8 **targetStart, UTF8 *targetEnd, ConversionFlags flags);
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ConversionResult ConvertUTF8toUTF32(
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const UTF8 **sourceStart, const UTF8 *sourceEnd,
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UTF32 **targetStart, UTF32 *targetEnd, ConversionFlags flags);
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ConversionResult ConvertUTF32toUTF8(
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const UTF32 **sourceStart, const UTF32 *sourceEnd,
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UTF8 **targetStart, UTF8 *targetEnd, ConversionFlags flags);
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ConversionResult ConvertUTF16toUTF32(
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const UTF16 **sourceStart, const UTF16 *sourceEnd,
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UTF32 **targetStart, UTF32 *targetEnd, ConversionFlags flags);
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ConversionResult ConvertUTF32toUTF16(
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const UTF32 **sourceStart, const UTF32 *sourceEnd,
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UTF16 **targetStart, UTF16 *targetEnd, ConversionFlags flags);
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bool isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd);
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#ifdef __cplusplus
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}
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#endif
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u_int32_t next_char(unsigned char **string);
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const unsigned char *utf32toutf8(wchar_t *source, unsigned char *target, size_t size, int *len);
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unsigned char *utf16toutf8(unsigned short *source, unsigned char *target, size_t size, int *len);
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unsigned short *utf8toutf16(unsigned char *source, unsigned short *target, size_t size, int *len);
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int utf8len(unsigned char *string);
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int is_acsii(unsigned char *string);
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size_t utf8_get_size(unsigned char *source, size_t num);
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#endif /* SMS_INC_UTF_H_ */
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