diff -r 000000000000 -r 1fb32624e06b fontservices/textshaperplugin/IcuSource/common/ustr_imp.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fontservices/textshaperplugin/IcuSource/common/ustr_imp.h Tue Feb 02 02:02:46 2010 +0200 @@ -0,0 +1,184 @@ +/* +********************************************************************** +* Copyright (C) 1999-2005, 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 for u_strToTitle() to avoid including unicode/ubrk.h. */ +#ifndef UBRK_TYPEDEF_UBREAK_ITERATOR +# define UBRK_TYPEDEF_UBREAK_ITERATOR + typedef void UBreakIterator; +#endif + +/** + * 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). + * @internal + */ +U_CAPI 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. + * @internal + */ +U_CFUNC int32_t +u_strcmpFold(const UChar *s1, int32_t length1, + const UChar *s2, int32_t length2, + uint32_t options, + 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, to flag the fact + * that u_init() wasn't called first, before trying to access character properties. + * @internal + */ +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. + * @internal + */ +U_CFUNC int8_t +uprv_loadPropsData(UErrorCode *errorCode); + +/** + * Type of a function that may be passed to the internal case mapping functions + * or similar for growing the destination buffer. + * @internal + */ +typedef UBool U_CALLCONV +UGrowBuffer(void *context, /* opaque pointer for this function */ + UChar **pBuffer, /* in/out destination buffer pointer */ + int32_t *pCapacity, /* in/out buffer capacity in numbers of UChars */ + int32_t reqCapacity,/* requested capacity */ + int32_t length); /* number of UChars to be copied to new buffer */ + +/** + * Default implementation of UGrowBuffer. + * Takes a static buffer as context, allocates a new buffer, + * and releases the old one if it is not the same as the one passed as context. + * @internal + */ +U_CAPI UBool /* U_CALLCONV U_EXPORT2 */ +u_growBufferFromStatic(void *context, + UChar **pBuffer, int32_t *pCapacity, int32_t reqCapacity, + int32_t length); + +/* + * Internal string casing functions implementing + * ustring.h/ustrcase.c and UnicodeString case mapping functions. + */ + +/** + * @internal + */ +U_CFUNC int32_t +ustr_toLower(const UCaseProps *csp, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + const char *locale, + UErrorCode *pErrorCode); + +/** + * @internal + */ +U_CFUNC int32_t +ustr_toUpper(const UCaseProps *csp, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + const char *locale, + UErrorCode *pErrorCode); + +#if !UCONFIG_NO_BREAK_ITERATION + +/** + * @internal + */ +U_CFUNC int32_t +ustr_toTitle(const UCaseProps *csp, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + UBreakIterator *titleIter, + const char *locale, + UErrorCode *pErrorCode); + +#endif + +/** + * Internal case folding function. + * @internal + */ +U_CFUNC int32_t +ustr_foldCase(const UCaseProps *csp, + UChar *dest, int32_t destCapacity, + const UChar *src, int32_t srcLength, + uint32_t options, + UErrorCode *pErrorCode); + +/** + * 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 + * @internal + */ +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