// © 2017 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html // ucasemap_imp.h // created: 2017feb08 Markus W. Scherer #ifndef __UCASEMAP_IMP_H__ #define __UCASEMAP_IMP_H__ #include "unicode/utypes.h" #include "unicode/ucasemap.h" #include "unicode/uchar.h" #include "ucase.h" /** * Bit mask for the titlecasing iterator options bit field. * Currently only 3 out of 8 values are used: * 0 (words), U_TITLECASE_WHOLE_STRING, U_TITLECASE_SENTENCES. * See stringoptions.h. * @internal */ #define U_TITLECASE_ITERATOR_MASK … /** * Bit mask for the titlecasing index adjustment options bit set. * Currently two bits are defined: * U_TITLECASE_NO_BREAK_ADJUSTMENT, U_TITLECASE_ADJUST_TO_CASED. * See stringoptions.h. * @internal */ #define U_TITLECASE_ADJUSTMENT_MASK … /** * Internal API, used by u_strcasecmp() etc. * Compare strings case-insensitively, * in code point order or code unit order. */ U_CFUNC int32_t u_strcmpFold(const UChar *s1, int32_t length1, const UChar *s2, int32_t length2, uint32_t options, UErrorCode *pErrorCode); /** * Internal API, used for detecting length of * shared prefix case-insensitively. * @param s1 input string 1 * @param length1 length of string 1, or -1 (NULL terminated) * @param s2 input string 2 * @param length2 length of string 2, or -1 (NULL terminated) * @param options compare options * @param matchLen1 (output) length of partial prefix match in s1 * @param matchLen2 (output) length of partial prefix match in s2 * @param pErrorCode receives error status */ U_CAPI void u_caseInsensitivePrefixMatch(const UChar *s1, int32_t length1, const UChar *s2, int32_t length2, uint32_t options, int32_t *matchLen1, int32_t *matchLen2, UErrorCode *pErrorCode); #ifdef __cplusplus U_NAMESPACE_BEGIN class BreakIterator; // unicode/brkiter.h class ByteSink; class Locale; // unicode/locid.h /** Returns true if the options are valid. Otherwise false, and sets an error. */ inline UBool ustrcase_checkTitleAdjustmentOptions(uint32_t options, UErrorCode &errorCode) { … } inline UBool ustrcase_isLNS(UChar32 c) { … } #if !UCONFIG_NO_BREAK_ITERATION /** Returns nullptr if error. Pass in either locale or locID, not both. */ U_CFUNC BreakIterator *ustrcase_getTitleBreakIterator( const Locale *locale, const char *locID, uint32_t options, BreakIterator *iter, LocalPointer<BreakIterator> &ownedIter, UErrorCode &errorCode); #endif U_NAMESPACE_END #include "unicode/unistr.h" // for UStringCaseMapper /* * Internal string casing functions implementing * ustring.h/ustrcase.cpp and UnicodeString case mapping functions. */ struct UCaseMap : public icu::UMemory { … }; #if UCONFIG_NO_BREAK_ITERATION #define UCASEMAP_BREAK_ITERATOR_PARAM #define UCASEMAP_BREAK_ITERATOR_UNUSED #define UCASEMAP_BREAK_ITERATOR #define UCASEMAP_BREAK_ITERATOR_NULL #else #define UCASEMAP_BREAK_ITERATOR_PARAM … #define UCASEMAP_BREAK_ITERATOR_UNUSED … #define UCASEMAP_BREAK_ITERATOR … #define UCASEMAP_BREAK_ITERATOR_NULL … #endif U_CFUNC int32_t ustrcase_getCaseLocale(const char *locale); // TODO: swap src / dest if approved for new public api /** Implements UStringCaseMapper. */ U_CFUNC int32_t U_CALLCONV ustrcase_internalToLower(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM char16_t *dest, int32_t destCapacity, const char16_t *src, int32_t srcLength, icu::Edits *edits, UErrorCode &errorCode); /** Implements UStringCaseMapper. */ U_CFUNC int32_t U_CALLCONV ustrcase_internalToUpper(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM char16_t *dest, int32_t destCapacity, const char16_t *src, int32_t srcLength, icu::Edits *edits, UErrorCode &errorCode); #if !UCONFIG_NO_BREAK_ITERATION /** Implements UStringCaseMapper. */ U_CFUNC int32_t U_CALLCONV ustrcase_internalToTitle(int32_t caseLocale, uint32_t options, icu::BreakIterator *iter, char16_t *dest, int32_t destCapacity, const char16_t *src, int32_t srcLength, icu::Edits *edits, UErrorCode &errorCode); #endif /** Implements UStringCaseMapper. */ U_CFUNC int32_t U_CALLCONV ustrcase_internalFold(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM char16_t *dest, int32_t destCapacity, const char16_t *src, int32_t srcLength, icu::Edits *edits, UErrorCode &errorCode); /** * Common string case mapping implementation for ucasemap_toXyz() and UnicodeString::toXyz(). * Implements argument checking. */ U_CFUNC int32_t ustrcase_map(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM char16_t *dest, int32_t destCapacity, const char16_t *src, int32_t srcLength, UStringCaseMapper *stringCaseMapper, icu::Edits *edits, UErrorCode &errorCode); /** * Common string case mapping implementation for old-fashioned u_strToXyz() functions * that allow the source string to overlap the destination buffer. * Implements argument checking and internally works with an intermediate buffer if necessary. */ U_CFUNC int32_t ustrcase_mapWithOverlap(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM char16_t *dest, int32_t destCapacity, const char16_t *src, int32_t srcLength, UStringCaseMapper *stringCaseMapper, UErrorCode &errorCode); /** * UTF-8 string case mapping function type, used by ucasemap_mapUTF8(). * UTF-8 version of UStringCaseMapper. * All error checking must be done. * The UCaseMap must be fully initialized, with locale and/or iter set as needed. */ UTF8CaseMapper; #if !UCONFIG_NO_BREAK_ITERATION /** Implements UTF8CaseMapper. */ U_CFUNC void U_CALLCONV ucasemap_internalUTF8ToTitle(int32_t caseLocale, uint32_t options, icu::BreakIterator *iter, const uint8_t *src, int32_t srcLength, icu::ByteSink &sink, icu::Edits *edits, UErrorCode &errorCode); #endif void ucasemap_mapUTF8(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM const char *src, int32_t srcLength, UTF8CaseMapper *stringCaseMapper, icu::ByteSink &sink, icu::Edits *edits, UErrorCode &errorCode); /** * Implements argument checking and buffer handling * for UTF-8 string case mapping as a common function. */ int32_t ucasemap_mapUTF8(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM char *dest, int32_t destCapacity, const char *src, int32_t srcLength, UTF8CaseMapper *stringCaseMapper, icu::Edits *edits, UErrorCode &errorCode); U_NAMESPACE_BEGIN namespace GreekUpper { // Data bits. static const uint32_t UPPER_MASK = …; static const uint32_t HAS_VOWEL = …; static const uint32_t HAS_YPOGEGRAMMENI = …; static const uint32_t HAS_ACCENT = …; static const uint32_t HAS_DIALYTIKA = …; // Further bits during data building and processing, not stored in the data map. static const uint32_t HAS_COMBINING_DIALYTIKA = …; static const uint32_t HAS_OTHER_GREEK_DIACRITIC = …; static const uint32_t HAS_VOWEL_AND_ACCENT = …; static const uint32_t HAS_VOWEL_AND_ACCENT_AND_DIALYTIKA = …; static const uint32_t HAS_EITHER_DIALYTIKA = …; // State bits. static const uint32_t AFTER_CASED = …; static const uint32_t AFTER_VOWEL_WITH_COMBINING_ACCENT = …; static const uint32_t AFTER_VOWEL_WITH_PRECOMPOSED_ACCENT = …; uint32_t getLetterData(UChar32 c); /** * Returns a non-zero value for each of the Greek combining diacritics * listed in The Unicode Standard, version 8, chapter 7.2 Greek, * plus some perispomeni look-alikes. */ uint32_t getDiacriticData(UChar32 c); } // namespace GreekUpper U_NAMESPACE_END #endif // __cplusplus #endif // __UCASEMAP_IMP_H__
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