98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*
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**********************************************************************
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* Copyright (C) 1999-2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* file name: ustr_imp.h
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2001jan30
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* created by: Markus W. Scherer
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*/
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#ifndef __USTR_IMP_H__
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#define __USTR_IMP_H__
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#include "unicode/utypes.h"
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/**
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* Are the Unicode properties loaded?
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* This must be used before internal functions are called that do
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* not perform this check.
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* @internal
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*/
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U_CFUNC UBool
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uprv_haveProperties(void);
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/**
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* Type of a function that may be passed to the internal case mapping functions
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* for growing the destination buffer.
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* @internal
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*/
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typedef UBool U_CALLCONV
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GrowBuffer(void *context, /* opaque pointer for this function */
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UChar **buffer, /* in/out destination buffer pointer */
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int32_t *pCapacity, /* in/out buffer capacity in numbers of UChars */
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int32_t reqCapacity, /* requested capacity */
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int32_t length); /* number of UChars to be copied to new buffer */
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/*
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* Internal string casing functions implementing ustring.c and UnicodeString
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* case mapping functions.
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*/
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U_CFUNC int32_t
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u_internalStrToLower(UChar *dest, int32_t destCapacity,
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const UChar *src, int32_t srcLength,
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const char *locale,
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GrowBuffer *growBuffer, void *context,
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UErrorCode *pErrorCode);
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U_CFUNC int32_t
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u_internalStrToUpper(UChar *dest, int32_t destCapacity,
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const UChar *src, int32_t srcLength,
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const char *locale,
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GrowBuffer *growBuffer, void *context,
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UErrorCode *pErrorCode);
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/**
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* Internal case folding function.
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* @internal
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*/
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U_CFUNC int32_t
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u_internalStrFoldCase(UChar *dest, int32_t destCapacity,
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const UChar *src, int32_t srcLength,
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uint32_t options,
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GrowBuffer *growBuffer, void *context,
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UErrorCode *pErrorCode);
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/**
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* Return the full case folding mapping for c.
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* Must be used only if uprv_haveProperties() is true.
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* @internal
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*/
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U_CFUNC int32_t
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u_internalFoldCase(UChar32 c, UChar dest[32], uint32_t options);
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/**
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* Internal case-insensitive string compare function.
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* @internal
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*/
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U_CFUNC int32_t
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u_internalStrcasecmp(const UChar *s1, int32_t length1,
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const UChar *s2, int32_t length2,
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uint32_t options);
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/**
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* Internal, somewhat faster version of u_getCombiningClass()
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* for use by normalization quick check etc.
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* First make sure that data is loaded by u_getCombiningClass(0x300)!=0
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* or uprv_haveProperties() is true.
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* @internal
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*/
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U_CFUNC uint8_t
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u_internalGetCombiningClass(UChar32 c);
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#endif
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