1 // 2017 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 4 // bytesinkutil.h 5 // created: 2017sep14 Markus W. Scherer 6 7 #include "unicode/utypes.h" 8 #include "unicode/bytestream.h" 9 #include "unicode/edits.h" 10 #include "cmemory.h" 11 #include "uassert.h" 12 13 U_NAMESPACE_BEGIN 14 15 class ByteSink; 16 class Edits; 17 18 class U_COMMON_API ByteSinkUtil { 19 public: 20 ByteSinkUtil() = delete; // all static 21 22 /** (length) bytes were mapped to valid (s16, s16Length). */ 23 static UBool appendChange(int32_t length, 24 const char16_t *s16, int32_t s16Length, 25 ByteSink &sink, Edits *edits, UErrorCode &errorCode); 26 27 /** The bytes at [s, limit[ were mapped to valid (s16, s16Length). */ 28 static UBool appendChange(const uint8_t *s, const uint8_t *limit, 29 const char16_t *s16, int32_t s16Length, 30 ByteSink &sink, Edits *edits, UErrorCode &errorCode); 31 32 /** (length) bytes were mapped/changed to valid code point c. */ 33 static void appendCodePoint(int32_t length, UChar32 c, ByteSink &sink, Edits *edits = nullptr); 34 35 /** The few bytes at [src, nextSrc[ were mapped/changed to valid code point c. */ 36 static inline void appendCodePoint(const uint8_t *src, const uint8_t *nextSrc, UChar32 c, 37 ByteSink &sink, Edits *edits = nullptr) { 38 appendCodePoint((int32_t)(nextSrc - src), c, sink, edits); 39 } 40 41 /** Append the two-byte character (U+0080..U+07FF). */ 42 static void appendTwoBytes(UChar32 c, ByteSink &sink); 43 44 static UBool appendUnchanged(const uint8_t *s, int32_t length, 45 ByteSink &sink, uint32_t options, Edits *edits, 46 UErrorCode &errorCode); 47 48 static UBool appendUnchanged(const uint8_t *s, const uint8_t *limit, 49 ByteSink &sink, uint32_t options, Edits *edits, 50 UErrorCode &errorCode); 51 }; 52 53 U_NAMESPACE_END 54
