diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/common/ucase.h')
| -rw-r--r-- | deps/node/deps/icu-small/source/common/ucase.h | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/deps/node/deps/icu-small/source/common/ucase.h b/deps/node/deps/icu-small/source/common/ucase.h deleted file mode 100644 index b0a453b8..00000000 --- a/deps/node/deps/icu-small/source/common/ucase.h +++ /dev/null @@ -1,444 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* -* Copyright (C) 2004-2012, International Business Machines -* Corporation and others. All Rights Reserved. -* -******************************************************************************* -* file name: ucase.h -* encoding: UTF-8 -* tab size: 8 (not used) -* indentation:4 -* -* created on: 2004aug30 -* created by: Markus W. Scherer -* -* Low-level Unicode character/string case mapping code. -*/ - -#ifndef __UCASE_H__ -#define __UCASE_H__ - -#include "unicode/utypes.h" -#include "unicode/uset.h" -#include "putilimp.h" -#include "uset_imp.h" -#include "udataswp.h" -#include "utrie2.h" - -#ifdef __cplusplus -U_NAMESPACE_BEGIN - -class UnicodeString; - -U_NAMESPACE_END -#endif - -/* library API -------------------------------------------------------------- */ - -U_CFUNC void U_EXPORT2 -ucase_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode); - -/** - * Requires non-NULL locale ID but otherwise does the equivalent of - * checking for language codes as if uloc_getLanguage() were called: - * Accepts both 2- and 3-letter codes and accepts case variants. - */ -U_CFUNC int32_t -ucase_getCaseLocale(const char *locale); - -/* Casing locale types for ucase_getCaseLocale */ -enum { - UCASE_LOC_UNKNOWN, - UCASE_LOC_ROOT, - UCASE_LOC_TURKISH, - UCASE_LOC_LITHUANIAN, - UCASE_LOC_GREEK, - UCASE_LOC_DUTCH -}; - -/** - * Bit mask for getting just the options from a string compare options word - * that are relevant for case-insensitive string comparison. - * See stringoptions.h. Also include _STRNCMP_STYLE and U_COMPARE_CODE_POINT_ORDER. - * @internal - */ -#define _STRCASECMP_OPTIONS_MASK 0xffff - -/** - * Bit mask for getting just the options from a string compare options word - * that are relevant for case folding (of a single string or code point). - * - * Currently only bit 0 for U_FOLD_CASE_EXCLUDE_SPECIAL_I. - * It is conceivable that at some point we might use one more bit for using uppercase sharp s. - * It is conceivable that at some point we might want the option to use only simple case foldings - * when operating on strings. - * - * See stringoptions.h. - * @internal - */ -#define _FOLD_CASE_OPTIONS_MASK 7 - -/* single-code point functions */ - -U_CAPI UChar32 U_EXPORT2 -ucase_tolower(UChar32 c); - -U_CAPI UChar32 U_EXPORT2 -ucase_toupper(UChar32 c); - -U_CAPI UChar32 U_EXPORT2 -ucase_totitle(UChar32 c); - -U_CAPI UChar32 U_EXPORT2 -ucase_fold(UChar32 c, uint32_t options); - -/** - * Adds all simple case mappings and the full case folding for c to sa, - * and also adds special case closure mappings. - * c itself is not added. - * For example, the mappings - * - for s include long s - * - for sharp s include ss - * - for k include the Kelvin sign - */ -U_CFUNC void U_EXPORT2 -ucase_addCaseClosure(UChar32 c, const USetAdder *sa); - -/** - * Maps the string to single code points and adds the associated case closure - * mappings. - * The string is mapped to code points if it is their full case folding string. - * In other words, this performs a reverse full case folding and then - * adds the case closure items of the resulting code points. - * If the string is found and its closure applied, then - * the string itself is added as well as part of its code points' closure. - * It must be length>=0. - * - * @return TRUE if the string was found - */ -U_CFUNC UBool U_EXPORT2 -ucase_addStringCaseClosure(const UChar *s, int32_t length, const USetAdder *sa); - -#ifdef __cplusplus -U_NAMESPACE_BEGIN - -/** - * Iterator over characters with more than one code point in the full default Case_Folding. - */ -class U_COMMON_API FullCaseFoldingIterator { -public: - /** Constructor. */ - FullCaseFoldingIterator(); - /** - * Returns the next (cp, full) pair where "full" is cp's full default Case_Folding. - * Returns a negative cp value at the end of the iteration. - */ - UChar32 next(UnicodeString &full); -private: - FullCaseFoldingIterator(const FullCaseFoldingIterator &); // no copy - FullCaseFoldingIterator &operator=(const FullCaseFoldingIterator &); // no assignment - - const UChar *unfold; - int32_t unfoldRows; - int32_t unfoldRowWidth; - int32_t unfoldStringWidth; - int32_t currentRow; - int32_t rowCpIndex; -}; - -/** - * Fast case mapping data for ASCII/Latin. - * Linear arrays of delta bytes: 0=no mapping; EXC=exception. - * Deltas must not cross the ASCII boundary, or else they cannot be easily used - * in simple UTF-8 code. - */ -namespace LatinCase { - -/** Case mapping/folding data for code points up to U+017F. */ -constexpr UChar LIMIT = 0x180; -/** U+017F case-folds and uppercases crossing the ASCII boundary. */ -constexpr UChar LONG_S = 0x17f; -/** Exception: Complex mapping, or too-large delta. */ -constexpr int8_t EXC = -0x80; - -/** Deltas for lowercasing for most locales, and default case folding. */ -extern const int8_t TO_LOWER_NORMAL[LIMIT]; -/** Deltas for lowercasing for tr/az/lt, and Turkic case folding. */ -extern const int8_t TO_LOWER_TR_LT[LIMIT]; - -/** Deltas for uppercasing for most locales. */ -extern const int8_t TO_UPPER_NORMAL[LIMIT]; -/** Deltas for uppercasing for tr/az. */ -extern const int8_t TO_UPPER_TR[LIMIT]; - -} // namespace LatinCase - -U_NAMESPACE_END -#endif - -/** @return UCASE_NONE, UCASE_LOWER, UCASE_UPPER, UCASE_TITLE */ -U_CAPI int32_t U_EXPORT2 -ucase_getType(UChar32 c); - -/** @return like ucase_getType() but also sets UCASE_IGNORABLE if c is case-ignorable */ -U_CAPI int32_t U_EXPORT2 -ucase_getTypeOrIgnorable(UChar32 c); - -U_CAPI UBool U_EXPORT2 -ucase_isSoftDotted(UChar32 c); - -U_CAPI UBool U_EXPORT2 -ucase_isCaseSensitive(UChar32 c); - -/* string case mapping functions */ - -U_CDECL_BEGIN - -/** - * Iterator function for string case mappings, which need to look at the - * context (surrounding text) of a given character for conditional mappings. - * - * The iterator only needs to go backward or forward away from the - * character in question. It does not use any indexes on this interface. - * It does not support random access or an arbitrary change of - * iteration direction. - * - * The code point being case-mapped itself is never returned by - * this iterator. - * - * @param context A pointer to the iterator's working data. - * @param dir If <0 then start iterating backward from the character; - * if >0 then start iterating forward from the character; - * if 0 then continue iterating in the current direction. - * @return Next code point, or <0 when the iteration is done. - */ -typedef UChar32 U_CALLCONV -UCaseContextIterator(void *context, int8_t dir); - -/** - * Sample struct which may be used by some implementations of - * UCaseContextIterator. - */ -struct UCaseContext { - void *p; - int32_t start, index, limit; - int32_t cpStart, cpLimit; - int8_t dir; - int8_t b1, b2, b3; -}; -typedef struct UCaseContext UCaseContext; - -U_CDECL_END - -#define UCASECONTEXT_INITIALIZER { NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0 } - -enum { - /** - * For string case mappings, a single character (a code point) is mapped - * either to itself (in which case in-place mapping functions do nothing), - * or to another single code point, or to a string. - * Aside from the string contents, these are indicated with a single int32_t - * value as follows: - * - * Mapping to self: Negative values (~self instead of -self to support U+0000) - * - * Mapping to another code point: Positive values >UCASE_MAX_STRING_LENGTH - * - * Mapping to a string: The string length (0..UCASE_MAX_STRING_LENGTH) is - * returned. Note that the string result may indeed have zero length. - */ - UCASE_MAX_STRING_LENGTH=0x1f -}; - -/** - * Get the full lowercase mapping for c. - * - * @param csp Case mapping properties. - * @param c Character to be mapped. - * @param iter Character iterator, used for context-sensitive mappings. - * See UCaseContextIterator for details. - * If iter==NULL then a context-independent result is returned. - * @param context Pointer to be passed into iter. - * @param pString If the mapping result is a string, then the pointer is - * written to *pString. - * @param caseLocale Case locale value from ucase_getCaseLocale(). - * @return Output code point or string length, see UCASE_MAX_STRING_LENGTH. - * - * @see UCaseContextIterator - * @see UCASE_MAX_STRING_LENGTH - * @internal - */ -U_CAPI int32_t U_EXPORT2 -ucase_toFullLower(UChar32 c, - UCaseContextIterator *iter, void *context, - const UChar **pString, - int32_t caseLocale); - -U_CAPI int32_t U_EXPORT2 -ucase_toFullUpper(UChar32 c, - UCaseContextIterator *iter, void *context, - const UChar **pString, - int32_t caseLocale); - -U_CAPI int32_t U_EXPORT2 -ucase_toFullTitle(UChar32 c, - UCaseContextIterator *iter, void *context, - const UChar **pString, - int32_t caseLocale); - -U_CAPI int32_t U_EXPORT2 -ucase_toFullFolding(UChar32 c, - const UChar **pString, - uint32_t options); - -U_CFUNC int32_t U_EXPORT2 -ucase_hasBinaryProperty(UChar32 c, UProperty which); - - -U_CDECL_BEGIN - -/** - * @internal - */ -typedef int32_t U_CALLCONV -UCaseMapFull(UChar32 c, - UCaseContextIterator *iter, void *context, - const UChar **pString, - int32_t caseLocale); - -U_CDECL_END - -/* file definitions --------------------------------------------------------- */ - -#define UCASE_DATA_NAME "ucase" -#define UCASE_DATA_TYPE "icu" - -/* format "cAsE" */ -#define UCASE_FMT_0 0x63 -#define UCASE_FMT_1 0x41 -#define UCASE_FMT_2 0x53 -#define UCASE_FMT_3 0x45 - -/* indexes into indexes[] */ -enum { - UCASE_IX_INDEX_TOP, - UCASE_IX_LENGTH, - UCASE_IX_TRIE_SIZE, - UCASE_IX_EXC_LENGTH, - UCASE_IX_UNFOLD_LENGTH, - - UCASE_IX_MAX_FULL_LENGTH=15, - UCASE_IX_TOP=16 -}; - -/* definitions for 16-bit case properties word ------------------------------ */ - -U_CFUNC const UTrie2 * U_EXPORT2 -ucase_getTrie(); - -/* 2-bit constants for types of cased characters */ -#define UCASE_TYPE_MASK 3 -enum { - UCASE_NONE, - UCASE_LOWER, - UCASE_UPPER, - UCASE_TITLE -}; - -#define UCASE_GET_TYPE(props) ((props)&UCASE_TYPE_MASK) -#define UCASE_GET_TYPE_AND_IGNORABLE(props) ((props)&7) - -#define UCASE_IS_UPPER_OR_TITLE(props) ((props)&2) - -#define UCASE_IGNORABLE 4 -#define UCASE_EXCEPTION 8 -#define UCASE_SENSITIVE 0x10 - -#define UCASE_HAS_EXCEPTION(props) ((props)&UCASE_EXCEPTION) - -#define UCASE_DOT_MASK 0x60 -enum { - UCASE_NO_DOT=0, /* normal characters with cc=0 */ - UCASE_SOFT_DOTTED=0x20, /* soft-dotted characters with cc=0 */ - UCASE_ABOVE=0x40, /* "above" accents with cc=230 */ - UCASE_OTHER_ACCENT=0x60 /* other accent character (0<cc!=230) */ -}; - -/* no exception: bits 15..7 are a 9-bit signed case mapping delta */ -#define UCASE_DELTA_SHIFT 7 -#define UCASE_DELTA_MASK 0xff80 -#define UCASE_MAX_DELTA 0xff -#define UCASE_MIN_DELTA (-UCASE_MAX_DELTA-1) - -#if U_SIGNED_RIGHT_SHIFT_IS_ARITHMETIC -# define UCASE_GET_DELTA(props) ((int16_t)(props)>>UCASE_DELTA_SHIFT) -#else -# define UCASE_GET_DELTA(props) (int16_t)(((props)&0x8000) ? (((props)>>UCASE_DELTA_SHIFT)|0xfe00) : ((uint16_t)(props)>>UCASE_DELTA_SHIFT)) -#endif - -/* exception: bits 15..4 are an unsigned 12-bit index into the exceptions array */ -#define UCASE_EXC_SHIFT 4 -#define UCASE_EXC_MASK 0xfff0 -#define UCASE_MAX_EXCEPTIONS ((UCASE_EXC_MASK>>UCASE_EXC_SHIFT)+1) - -/* definitions for 16-bit main exceptions word ------------------------------ */ - -/* first 8 bits indicate values in optional slots */ -enum { - UCASE_EXC_LOWER, - UCASE_EXC_FOLD, - UCASE_EXC_UPPER, - UCASE_EXC_TITLE, - UCASE_EXC_DELTA, - UCASE_EXC_5, /* reserved */ - UCASE_EXC_CLOSURE, - UCASE_EXC_FULL_MAPPINGS, - UCASE_EXC_ALL_SLOTS /* one past the last slot */ -}; - -/* each slot is 2 uint16_t instead of 1 */ -#define UCASE_EXC_DOUBLE_SLOTS 0x100 - -enum { - UCASE_EXC_NO_SIMPLE_CASE_FOLDING=0x200, - UCASE_EXC_DELTA_IS_NEGATIVE=0x400, - UCASE_EXC_SENSITIVE=0x800 -}; - -/* UCASE_EXC_DOT_MASK=UCASE_DOT_MASK<<UCASE_EXC_DOT_SHIFT */ -#define UCASE_EXC_DOT_SHIFT 7 - -/* normally stored in the main word, but pushed out for larger exception indexes */ -#define UCASE_EXC_DOT_MASK 0x3000 -enum { - UCASE_EXC_NO_DOT=0, - UCASE_EXC_SOFT_DOTTED=0x1000, - UCASE_EXC_ABOVE=0x2000, /* "above" accents with cc=230 */ - UCASE_EXC_OTHER_ACCENT=0x3000 /* other character (0<cc!=230) */ -}; - -/* complex/conditional mappings */ -#define UCASE_EXC_CONDITIONAL_SPECIAL 0x4000 -#define UCASE_EXC_CONDITIONAL_FOLD 0x8000 - -/* definitions for lengths word for full case mappings */ -#define UCASE_FULL_LOWER 0xf -#define UCASE_FULL_FOLDING 0xf0 -#define UCASE_FULL_UPPER 0xf00 -#define UCASE_FULL_TITLE 0xf000 - -/* maximum lengths */ -#define UCASE_FULL_MAPPINGS_MAX_LENGTH (4*0xf) -#define UCASE_CLOSURE_MAX_LENGTH 0xf - -/* constants for reverse case folding ("unfold") data */ -enum { - UCASE_UNFOLD_ROWS, - UCASE_UNFOLD_ROW_WIDTH, - UCASE_UNFOLD_STRING_WIDTH -}; - -#endif |