From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- intl/icu/source/common/ustr_imp.h | 306 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 306 insertions(+) create mode 100644 intl/icu/source/common/ustr_imp.h (limited to 'intl/icu/source/common/ustr_imp.h') diff --git a/intl/icu/source/common/ustr_imp.h b/intl/icu/source/common/ustr_imp.h new file mode 100644 index 000000000..34a69363a --- /dev/null +++ b/intl/icu/source/common/ustr_imp.h @@ -0,0 +1,306 @@ +// Copyright (C) 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +********************************************************************** +* Copyright (C) 1999-2015, International Business Machines +* Corporation and others. All Rights Reserved. +********************************************************************** +* file name: ustr_imp.h +* encoding: US-ASCII +* tab size: 8 (not used) +* indentation:4 +* +* created on: 2001jan30 +* created by: Markus W. Scherer +*/ + +#ifndef __USTR_IMP_H__ +#define __USTR_IMP_H__ + +#include "unicode/utypes.h" +#include "unicode/uiter.h" +#include "ucase.h" + +/** Simple declaration to avoid including unicode/ubrk.h. */ +#ifndef UBRK_TYPEDEF_UBREAK_ITERATOR +# define UBRK_TYPEDEF_UBREAK_ITERATOR + typedef struct UBreakIterator UBreakIterator; +#endif + +#ifndef U_COMPARE_IGNORE_CASE +/* see also unorm.h */ +/** + * Option bit for unorm_compare: + * Perform case-insensitive comparison. + */ +#define U_COMPARE_IGNORE_CASE 0x10000 +#endif + +/** + * Internal option for unorm_cmpEquivFold() for strncmp style. + * If set, checks for both string length and terminating NUL. + */ +#define _STRNCMP_STYLE 0x1000 + +/** + * Compare two strings in code point order or code unit order. + * Works in strcmp style (both lengths -1), + * strncmp style (lengths equal and >=0, flag TRUE), + * and memcmp/UnicodeString style (at least one length >=0). + */ +U_CFUNC int32_t U_EXPORT2 +uprv_strCompare(const UChar *s1, int32_t length1, + const UChar *s2, int32_t length2, + UBool strncmpStyle, UBool codePointOrder); + +/** + * 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); + +/** + * Interanl 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); + +/** + * Are the Unicode properties loaded? + * This must be used before internal functions are called that do + * not perform this check. + * Generate a debug assertion failure if data is not loaded. + */ +U_CFUNC UBool +uprv_haveProperties(UErrorCode *pErrorCode); + +/** + * Load the Unicode property data. + * Intended primarily for use from u_init(). + * Has no effect if property data is already loaded. + * NOT thread safe. + */ +/*U_CFUNC int8_t +uprv_loadPropsData(UErrorCode *errorCode);*/ + +/* + * Internal string casing functions implementing + * ustring.h/ustrcase.c and UnicodeString case mapping functions. + */ + +struct UCaseMap { + const UCaseProps *csp; +#if !UCONFIG_NO_BREAK_ITERATION + UBreakIterator *iter; /* We adopt the iterator, so we own it. */ +#endif + char locale[32]; + int32_t locCache; + uint32_t options; +}; + +#ifndef __UCASEMAP_H__ +typedef struct UCaseMap UCaseMap; +#endif + +#if UCONFIG_NO_BREAK_ITERATION +# define UCASEMAP_INITIALIZER { NULL, { 0 }, 0, 0 } +#else +# define UCASEMAP_INITIALIZER { NULL, NULL, { 0 }, 0, 0 } +#endif + +U_CFUNC void +ustrcase_setTempCaseMapLocale(UCaseMap *csm, const char *locale); + +#ifndef U_STRING_CASE_MAPPER_DEFINED +#define U_STRING_CASE_MAPPER_DEFINED + +/** + * String case mapping function type, used by ustrcase_map(). + * All error checking must be done. + * The UCaseMap must be fully initialized, with locale and/or iter set as needed. + * src and dest must not overlap. + */ +typedef int32_t U_CALLCONV +UStringCaseMapper(const UCaseMap *csm, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + UErrorCode *pErrorCode); + +#endif + +/** Implements UStringCaseMapper. */ +U_CFUNC int32_t U_CALLCONV +ustrcase_internalToLower(const UCaseMap *csm, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + UErrorCode *pErrorCode); + +/** Implements UStringCaseMapper. */ +U_CFUNC int32_t U_CALLCONV +ustrcase_internalToUpper(const UCaseMap *csm, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + UErrorCode *pErrorCode); + +#if !UCONFIG_NO_BREAK_ITERATION + +/** Implements UStringCaseMapper. */ +U_CFUNC int32_t U_CALLCONV +ustrcase_internalToTitle(const UCaseMap *csm, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + UErrorCode *pErrorCode); + +#endif + +/** Implements UStringCaseMapper. */ +U_CFUNC int32_t U_CALLCONV +ustrcase_internalFold(const UCaseMap *csm, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + UErrorCode *pErrorCode); + +/** + * Implements argument checking and buffer handling + * for string case mapping as a common function. + */ +U_CFUNC int32_t +ustrcase_map(const UCaseMap *csm, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + UStringCaseMapper *stringCaseMapper, + UErrorCode *pErrorCode); + +/** + * 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. + * src and dest must not overlap. + */ +typedef int32_t U_CALLCONV +UTF8CaseMapper(const UCaseMap *csm, + uint8_t *dest, int32_t destCapacity, + const uint8_t *src, int32_t srcLength, + UErrorCode *pErrorCode); + +/** Implements UTF8CaseMapper. */ +U_CFUNC int32_t U_CALLCONV +ucasemap_internalUTF8ToTitle(const UCaseMap *csm, + uint8_t *dest, int32_t destCapacity, + const uint8_t *src, int32_t srcLength, + UErrorCode *pErrorCode); + +/** + * Implements argument checking and buffer handling + * for UTF-8 string case mapping as a common function. + */ +U_CFUNC int32_t +ucasemap_mapUTF8(const UCaseMap *csm, + uint8_t *dest, int32_t destCapacity, + const uint8_t *src, int32_t srcLength, + UTF8CaseMapper *stringCaseMapper, + UErrorCode *pErrorCode); + +#ifdef __cplusplus + +U_NAMESPACE_BEGIN +namespace GreekUpper { + +// Data bits. +static const uint32_t UPPER_MASK = 0x3ff; +static const uint32_t HAS_VOWEL = 0x1000; +static const uint32_t HAS_YPOGEGRAMMENI = 0x2000; +static const uint32_t HAS_ACCENT = 0x4000; +static const uint32_t HAS_DIALYTIKA = 0x8000; +// Further bits during data building and processing, not stored in the data map. +static const uint32_t HAS_COMBINING_DIALYTIKA = 0x10000; +static const uint32_t HAS_OTHER_GREEK_DIACRITIC = 0x20000; + +static const uint32_t HAS_VOWEL_AND_ACCENT = HAS_VOWEL | HAS_ACCENT; +static const uint32_t HAS_VOWEL_AND_ACCENT_AND_DIALYTIKA = + HAS_VOWEL_AND_ACCENT | HAS_DIALYTIKA; +static const uint32_t HAS_EITHER_DIALYTIKA = HAS_DIALYTIKA | HAS_COMBINING_DIALYTIKA; + +// State bits. +static const uint32_t AFTER_CASED = 1; +static const uint32_t AFTER_VOWEL_WITH_ACCENT = 2; + +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 + +U_CAPI int32_t U_EXPORT2 +ustr_hashUCharsN(const UChar *str, int32_t length); + +U_CAPI int32_t U_EXPORT2 +ustr_hashCharsN(const char *str, int32_t length); + +U_CAPI int32_t U_EXPORT2 +ustr_hashICharsN(const char *str, int32_t length); + +/** + * NUL-terminate a UChar * string if possible. + * If length < destCapacity then NUL-terminate. + * If length == destCapacity then do not terminate but set U_STRING_NOT_TERMINATED_WARNING. + * If length > destCapacity then do not terminate but set U_BUFFER_OVERFLOW_ERROR. + * + * @param dest Destination buffer, can be NULL if destCapacity==0. + * @param destCapacity Number of UChars available at dest. + * @param length Number of UChars that were (to be) written to dest. + * @param pErrorCode ICU error code. + * @return length + */ +U_CAPI int32_t U_EXPORT2 +u_terminateUChars(UChar *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode); + +/** + * NUL-terminate a char * string if possible. + * Same as u_terminateUChars() but for a different string type. + */ +U_CAPI int32_t U_EXPORT2 +u_terminateChars(char *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode); + +/** + * NUL-terminate a UChar32 * string if possible. + * Same as u_terminateUChars() but for a different string type. + */ +U_CAPI int32_t U_EXPORT2 +u_terminateUChar32s(UChar32 *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode); + +/** + * NUL-terminate a wchar_t * string if possible. + * Same as u_terminateUChars() but for a different string type. + */ +U_CAPI int32_t U_EXPORT2 +u_terminateWChars(wchar_t *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode); + +#endif -- cgit v1.2.3