+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
-* Copyright (C) 2001-2004, International Business Machines
+* Copyright (C) 2001-2011, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
* file name: unormimp.h
-* encoding: US-ASCII
+* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
#if !UCONFIG_NO_NORMALIZATION
-#ifdef XP_CPLUSPLUS
-#include "unicode/uniset.h"
-#endif
-
-#include "unicode/uiter.h"
-#include "unicode/unorm.h"
-#include "unicode/uset.h"
-#include "utrie.h"
-#include "ustr_imp.h"
#include "udataswp.h"
/*
- * This new implementation of the normalization code loads its data from
+ * The 2001-2010 implementation of the normalization code loads its data from
* unorm.icu, which is generated with the gennorm tool.
* The format of that file is described at the end of this file.
*/
_NORM_DECOMP_LENGTH_MASK=0x7f
};
-#endif /* #if !UCONFIG_NO_NORMALIZATION */
-
-/* Korean Hangul and Jamo constants */
-enum {
- JAMO_L_BASE=0x1100, /* "lead" jamo */
- JAMO_V_BASE=0x1161, /* "vowel" jamo */
- JAMO_T_BASE=0x11a7, /* "trail" jamo */
-
- HANGUL_BASE=0xac00,
-
- JAMO_L_COUNT=19,
- JAMO_V_COUNT=21,
- JAMO_T_COUNT=28,
-
- HANGUL_COUNT=JAMO_L_COUNT*JAMO_V_COUNT*JAMO_T_COUNT
-};
-
-#if !UCONFIG_NO_NORMALIZATION
-
-/* Constants for options flags for normalization. @draft ICU 2.6 */
+/** Constants for options flags for normalization. */
enum {
- /** Options bit 0, do not decompose Hangul syllables. @draft ICU 2.6 */
+ /** Options bit 0, do not decompose Hangul syllables. */
UNORM_NX_HANGUL=1,
- /** Options bit 1, do not decompose CJK compatibility characters. @draft ICU 2.6 */
- UNORM_NX_CJK_COMPAT=2,
- /**
- * Options bit 8, use buggy recomposition described in
- * Unicode Public Review Issue #29
- * at http://www.unicode.org/review/resolved-pri.html#pri29
- *
- * Used in IDNA implementation according to strict interpretation
- * of IDNA definition based on Unicode 3.2 which predates PRI #29.
- */
- UNORM_BEFORE_PRI_29=0x100
+ /** Options bit 1, do not decompose CJK compatibility characters. */
+ UNORM_NX_CJK_COMPAT=2
};
-/**
- * Is the normalizer data loaded?
- * This is used internally before other internal normalizer functions
- * are called.
- * It saves this check in each of many normalization calls that
- * are made for, e.g., collation.
- *
- * @param pErrorCode as usual
- * @return boolean value for whether the normalization data is loaded
- *
- * @internal
- */
-U_CAPI UBool U_EXPORT2
-unorm_haveData(UErrorCode *pErrorCode);
-
-/**
- * Internal API for normalizing.
- * Does not check for bad input.
- * @internal
- */
-U_CAPI int32_t U_EXPORT2
-unorm_internalNormalize(UChar *dest, int32_t destCapacity,
- const UChar *src, int32_t srcLength,
- UNormalizationMode mode, int32_t options,
- UErrorCode *pErrorCode);
-
-#ifdef XP_CPLUSPLUS
-
-/**
- * Internal API for normalizing.
- * Does not check for bad input.
- * Requires _haveData() to be true.
- * @internal
- */
-U_CFUNC int32_t
-unorm_internalNormalizeWithNX(UChar *dest, int32_t destCapacity,
- const UChar *src, int32_t srcLength,
- UNormalizationMode mode, int32_t options, const UnicodeSet *nx,
- UErrorCode *pErrorCode);
-
-#endif
-
-/**
- * internal API, used by normlzr.cpp
- * @internal
- */
-U_CAPI int32_t U_EXPORT2
-unorm_decompose(UChar *dest, int32_t destCapacity,
- const UChar *src, int32_t srcLength,
- UBool compat, int32_t options,
- UErrorCode *pErrorCode);
-
-/**
- * internal API, used by normlzr.cpp
- * @internal
- */
-U_CAPI int32_t U_EXPORT2
-unorm_compose(UChar *dest, int32_t destCapacity,
- const UChar *src, int32_t srcLength,
- UBool compat, int32_t options,
- UErrorCode *pErrorCode);
-
-#ifdef XP_CPLUSPLUS
-
-/**
- * internal API, used by unormcmp.cpp
- * @internal
- */
-U_CFUNC UNormalizationCheckResult
-unorm_internalQuickCheck(const UChar *src,
- int32_t srcLength,
- UNormalizationMode mode,
- UBool allowMaybe,
- const UnicodeSet *nx,
- UErrorCode *pErrorCode);
-
-#endif
-
-#endif /* #if !UCONFIG_NO_NORMALIZATION */
-
-/**
- * Internal option for unorm_cmpEquivFold() for decomposing.
- * If not set, just do strcasecmp().
- * @internal
- */
-#define _COMPARE_EQUIV 0x80000
-
-#ifndef U_COMPARE_IGNORE_CASE
-/* see also unorm.h */
-/**
- * Option bit for unorm_compare:
- * Perform case-insensitive comparison.
- * @draft ICU 2.2
- */
-#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.
- * @internal
- */
-#define _STRNCMP_STYLE 0x1000
-
-#if !UCONFIG_NO_NORMALIZATION
-
-/**
- * Internal API to get the 16-bit FCD value (lccc + tccc) for c,
- * for u_getIntPropertyValue().
- * @internal
- */
-U_CAPI uint16_t U_EXPORT2
-unorm_getFCD16FromCodePoint(UChar32 c);
-
-/**
- * Internal API, used by collation code.
- * Get access to the internal FCD trie table to be able to perform
- * incremental, per-code unit, FCD checks in collation.
- * One pointer is sufficient because the trie index values are offset
- * by the index size, so that the same pointer is used to access the trie data.
- * @internal
- */
-U_CAPI const uint16_t * U_EXPORT2
-unorm_getFCDTrie(UErrorCode *pErrorCode);
-
-#ifdef XP_CPLUSPLUS
-
-U_NAMESPACE_BEGIN
-/**
- * Internal API, used by collation code.
- * Get the FCD value for a code unit, with
- * bits 15..8 lead combining class
- * bits 7..0 trail combining class
- *
- * If c is a lead surrogate and the value is not 0,
- * then instead of combining classes the value
- * is used in unorm_getFCD16FromSurrogatePair() to get the real value
- * of the supplementary code point.
- *
- * @internal
- */
-inline uint16_t
-unorm_getFCD16(const uint16_t *fcdTrieIndex, UChar c) {
- return
- fcdTrieIndex[
- (fcdTrieIndex[
- c>>UTRIE_SHIFT
- ]<<UTRIE_INDEX_SHIFT)+
- (c&UTRIE_MASK)
- ];
-}
-
-/**
- * Internal API, used by collation code.
- * Get the FCD value for a supplementary code point, with
- * bits 15..8 lead combining class
- * bits 7..0 trail combining class
- *
- * @param fcd16 The FCD value for the lead surrogate, not 0.
- * @param c2 The trail surrogate code unit.
- *
- * @internal
- */
-inline uint16_t
-unorm_getFCD16FromSurrogatePair(const uint16_t *fcdTrieIndex, uint16_t fcd16, UChar c2) {
- return
- fcdTrieIndex[
- (fcdTrieIndex[
- (int32_t)fcd16+((c2&0x3ff)>>UTRIE_SHIFT)
- ]<<UTRIE_INDEX_SHIFT)+
- (c2&UTRIE_MASK)
- ];
-}
-
-U_NAMESPACE_END
-
-#endif
-
-/**
- * internal API, used by StringPrep
- * @internal
- */
-U_CAPI void U_EXPORT2
-unorm_getUnicodeVersion(UVersionInfo *versionInfo, UErrorCode *pErrorCode);
-
-/**
- * Get the canonical decomposition for one code point.
- * Requires unorm_haveData() and buffer!=NULL and pLength!=NULL.
- * @param c code point
- * @param buffer out-only buffer for algorithmic decompositions of Hangul
- * @param length out-only, takes the length of the decomposition, if any
- * @return pointer to decomposition, or 0 if none
- * @internal
- */
-U_CFUNC const UChar *
-unorm_getCanonicalDecomposition(UChar32 c, UChar buffer[4], int32_t *pLength);
-
-/**
- * internal API, used by the canonical iterator
- * TODO Consider using signature similar to unorm_getCanonicalDecomposition()
- * for more efficiency
- * @internal
- */
-U_CAPI int32_t U_EXPORT2
-unorm_getDecomposition(UChar32 c, UBool compat,
- UChar *dest, int32_t destCapacity);
-
-/**
- * internal API, used by uprops.cpp
- * @internal
- */
-U_CAPI UBool U_EXPORT2
-unorm_internalIsFullCompositionExclusion(UChar32 c);
-
-/**
- * Internal API, used by enumeration of canonically equivalent strings
- * @internal
- */
-U_CAPI UBool U_EXPORT2
-unorm_isCanonSafeStart(UChar32 c);
-
-/**
- * Internal API, used by enumeration of canonically equivalent strings
- * @internal
- */
-U_CAPI UBool U_EXPORT2
-unorm_getCanonStartSet(UChar32 c, USerializedSet *fillSet);
-
-/**
- * Is c an NF<mode>-skippable code point? See unormimp.h.
- * @internal
- */
-U_CAPI UBool U_EXPORT2
-unorm_isNFSkippable(UChar32 c, UNormalizationMode mode);
-
-#ifdef XP_CPLUSPLUS
-
-/**
- * Get normalization exclusion set for the options.
- * Requires unorm_haveData().
- * @internal
- */
-U_CFUNC const UnicodeSet *
-unorm_getNX(int32_t options, UErrorCode *pErrorCode);
-
-#endif
-
-/**
- * Enumerate each normalization data trie and add the
- * start of each range of same properties to the set.
- * @internal
- */
-U_CAPI void U_EXPORT2
-unorm_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode);
-
-/**
- * Swap unorm.icu. See udataswp.h.
- * @internal
- */
-U_CAPI int32_t U_EXPORT2
-unorm_swap(const UDataSwapper *ds,
- const void *inData, int32_t length, void *outData,
- UErrorCode *pErrorCode);
-
-/**
- * Get the NF*_QC property for a code point, for u_getIntPropertyValue().
- * @internal
- */
-U_CAPI UNormalizationCheckResult U_EXPORT2
-unorm_getQuickCheck(UChar32 c, UNormalizationMode mode);
-
/**
* Description of the format of unorm.icu version 2.3.
*
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