173 lines
5.3 KiB
C
173 lines
5.3 KiB
C
/*
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*******************************************************************************
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*
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* Copyright (C) 2003, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: sprpimpl.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: 2003feb1
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* created by: Ram Viswanadha
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*/
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#ifndef SPRPIMPL_H
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#define SPRPIMPL_H
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_IDNA
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#include "unicode/ustring.h"
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#include "unicode/parseerr.h"
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#include "unicode/usprep.h"
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#include "unicode/udata.h"
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#include "utrie.h"
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#include "udataswp.h"
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#define _SPREP_DATA_TYPE "spp"
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enum UStringPrepType{
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USPREP_UNASSIGNED = 0x0000 ,
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USPREP_MAP = 0x0001 ,
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USPREP_PROHIBITED = 0x0002 ,
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USPREP_DELETE = 0x0003 ,
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USPREP_TYPE_LIMIT = 0x0004
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};
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typedef enum UStringPrepType UStringPrepType;
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#ifdef USPREP_TYPE_NAMES_ARRAY
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static const char* usprepTypeNames[] ={
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"UNASSIGNED" ,
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"MAP" ,
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"PROHIBITED" ,
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"DELETE",
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"TYPE_LIMIT"
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};
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#endif
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enum{
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_SPREP_NORMALIZATION_ON = 0x0001,
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_SPREP_CHECK_BIDI_ON = 0x0002
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};
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enum{
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_SPREP_TYPE_THRESHOLD = 0xFFF0,
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_SPREP_MAX_INDEX_VALUE = 0x3FBF, /*16139*/
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_SPREP_MAX_INDEX_TOP_LENGTH = 0x0003
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};
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/* indexes[] value names */
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enum {
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_SPREP_INDEX_TRIE_SIZE = 0, /* number of bytes in StringPrep trie */
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_SPREP_INDEX_MAPPING_DATA_SIZE = 1, /* The array that contains the mapping */
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_SPREP_NORM_CORRECTNS_LAST_UNI_VERSION = 2, /* The index of Unicode version of last entry in NormalizationCorrections.txt */
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_SPREP_ONE_UCHAR_MAPPING_INDEX_START = 3, /* The starting index of 1 UChar mapping index in the mapping data array */
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_SPREP_TWO_UCHARS_MAPPING_INDEX_START = 4, /* The starting index of 2 UChars mapping index in the mapping data array */
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_SPREP_THREE_UCHARS_MAPPING_INDEX_START = 5, /* The starting index of 3 UChars mapping index in the mapping data array */
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_SPREP_FOUR_UCHARS_MAPPING_INDEX_START = 6, /* The starting index of 4 UChars mapping index in the mapping data array */
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_SPREP_OPTIONS = 7, /* Bit set of options to turn on in the profile */
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_SPREP_INDEX_TOP=16 /* changing this requires a new formatVersion */
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};
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typedef struct UStringPrepKey UStringPrepKey;
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struct UStringPrepKey{
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char* name;
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char* path;
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};
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struct UStringPrepProfile{
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int32_t indexes[_SPREP_INDEX_TOP];
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UTrie sprepTrie;
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const uint16_t* mappingData;
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UDataMemory* sprepData;
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UBool isDataLoaded;
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int32_t refCount;
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UBool doNFKC;
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UBool checkBiDi;
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};
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/**
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* Helper function for populating the UParseError struct
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* @internal
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*/
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U_CAPI void U_EXPORT2
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uprv_syntaxError(const UChar* rules,
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int32_t pos,
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int32_t rulesLen,
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UParseError* parseError);
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/**
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* Map every character in input stream with mapping character
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* in the mapping table and populate the output stream.
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* For any individual character the mapping table may specify
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* that that a character be mapped to nothing, mapped to one
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* other character or to a string of other characters.
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*
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* @param prep Profile to use
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* @param src Pointer to UChar buffer containing a single label
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* @param srcLength Number of characters in the source label
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* @param dest Pointer to the destination buffer to receive the output
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* @param destCapacity The capacity of destination array
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* @param options
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* @param parseError
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* @param status ICU error code in/out parameter.
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* Must fulfill U_SUCCESS before the function call.
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* @return The number of UChars in the destination buffer
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*/
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U_CFUNC int32_t
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usprep_map( UStringPrepProfile* prep,
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const UChar* src, int32_t srcLength,
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UChar* dest, int32_t destCapacity,
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int32_t options,
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UParseError* parseError,
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UErrorCode* status );
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/**
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* Normalize the input stream using Normalization Form KC (NFKC)
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*
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* @param prep Profile to use
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* @param src Pointer to UChar buffer containing a single label
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* @param srcLength Number of characters in the source label
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* @param dest Pointer to the destination buffer to receive the output
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* @param destCapacity The capacity of destination array
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* @param status ICU error code in/out parameter.
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* Must fulfill U_SUCCESS before the function call.
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* @return The number of UChars in the destination buffer
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*/
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U_CFUNC int32_t
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usprep_normalize( UStringPrepProfile* prep,
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const UChar* src, int32_t srcLength,
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UChar* dest, int32_t destCapacity,
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UErrorCode* status );
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/**
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* Swap StringPrep .spp profile data. See udataswp.h.
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* @internal
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*/
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U_CAPI int32_t U_EXPORT2
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usprep_swap(const UDataSwapper *ds,
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const void *inData, int32_t length, void *outData,
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UErrorCode *pErrorCode);
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#endif /* #if !UCONFIG_NO_IDNA */
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#endif
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/*
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* Hey, Emacs, please set the following:
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*
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* Local Variables:
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* indent-tabs-mode: nil
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* End:
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*
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*/
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