diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/common/ubidi_props.cpp')
-rw-r--r-- | deps/node/deps/icu-small/source/common/ubidi_props.cpp | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/deps/node/deps/icu-small/source/common/ubidi_props.cpp b/deps/node/deps/icu-small/source/common/ubidi_props.cpp deleted file mode 100644 index 4141c219..00000000 --- a/deps/node/deps/icu-small/source/common/ubidi_props.cpp +++ /dev/null @@ -1,254 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* -* Copyright (C) 2004-2014, International Business Machines -* Corporation and others. All Rights Reserved. -* -******************************************************************************* -* file name: ubidi_props.c -* encoding: UTF-8 -* tab size: 8 (not used) -* indentation:4 -* -* created on: 2004dec30 -* created by: Markus W. Scherer -* -* Low-level Unicode bidi/shaping properties access. -*/ - -#include "unicode/utypes.h" -#include "unicode/uset.h" -#include "unicode/udata.h" /* UDataInfo */ -#include "ucmndata.h" /* DataHeader */ -#include "udatamem.h" -#include "uassert.h" -#include "cmemory.h" -#include "utrie2.h" -#include "ubidi_props.h" -#include "ucln_cmn.h" - -struct UBiDiProps { - UDataMemory *mem; - const int32_t *indexes; - const uint32_t *mirrors; - const uint8_t *jgArray; - const uint8_t *jgArray2; - - UTrie2 trie; - uint8_t formatVersion[4]; -}; - -/* ubidi_props_data.h is machine-generated by genbidi --csource */ -#define INCLUDED_FROM_UBIDI_PROPS_C -#include "ubidi_props_data.h" - -/* set of property starts for UnicodeSet ------------------------------------ */ - -static UBool U_CALLCONV -_enumPropertyStartsRange(const void *context, UChar32 start, UChar32 end, uint32_t value) { - (void)end; - (void)value; - /* add the start code point to the USet */ - const USetAdder *sa=(const USetAdder *)context; - sa->add(sa->set, start); - return TRUE; -} - -U_CFUNC void -ubidi_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode) { - int32_t i, length; - UChar32 c, start, limit; - - const uint8_t *jgArray; - uint8_t prev, jg; - - if(U_FAILURE(*pErrorCode)) { - return; - } - - /* add the start code point of each same-value range of the trie */ - utrie2_enum(&ubidi_props_singleton.trie, NULL, _enumPropertyStartsRange, sa); - - /* add the code points from the bidi mirroring table */ - length=ubidi_props_singleton.indexes[UBIDI_IX_MIRROR_LENGTH]; - for(i=0; i<length; ++i) { - c=UBIDI_GET_MIRROR_CODE_POINT(ubidi_props_singleton.mirrors[i]); - sa->addRange(sa->set, c, c+1); - } - - /* add the code points from the Joining_Group array where the value changes */ - start=ubidi_props_singleton.indexes[UBIDI_IX_JG_START]; - limit=ubidi_props_singleton.indexes[UBIDI_IX_JG_LIMIT]; - jgArray=ubidi_props_singleton.jgArray; - for(;;) { - prev=0; - while(start<limit) { - jg=*jgArray++; - if(jg!=prev) { - sa->add(sa->set, start); - prev=jg; - } - ++start; - } - if(prev!=0) { - /* add the limit code point if the last value was not 0 (it is now start==limit) */ - sa->add(sa->set, limit); - } - if(limit==ubidi_props_singleton.indexes[UBIDI_IX_JG_LIMIT]) { - /* switch to the second Joining_Group range */ - start=ubidi_props_singleton.indexes[UBIDI_IX_JG_START2]; - limit=ubidi_props_singleton.indexes[UBIDI_IX_JG_LIMIT2]; - jgArray=ubidi_props_singleton.jgArray2; - } else { - break; - } - } - - /* add code points with hardcoded properties, plus the ones following them */ - - /* (none right now) */ -} - -/* property access functions ------------------------------------------------ */ - -U_CFUNC int32_t -ubidi_getMaxValue(UProperty which) { - int32_t max=ubidi_props_singleton.indexes[UBIDI_MAX_VALUES_INDEX]; - switch(which) { - case UCHAR_BIDI_CLASS: - return (max&UBIDI_CLASS_MASK); - case UCHAR_JOINING_GROUP: - return (max&UBIDI_MAX_JG_MASK)>>UBIDI_MAX_JG_SHIFT; - case UCHAR_JOINING_TYPE: - return (max&UBIDI_JT_MASK)>>UBIDI_JT_SHIFT; - case UCHAR_BIDI_PAIRED_BRACKET_TYPE: - return (max&UBIDI_BPT_MASK)>>UBIDI_BPT_SHIFT; - default: - return -1; /* undefined */ - } -} - -U_CAPI UCharDirection -ubidi_getClass(UChar32 c) { - uint16_t props=UTRIE2_GET16(&ubidi_props_singleton.trie, c); - return (UCharDirection)UBIDI_GET_CLASS(props); -} - -U_CFUNC UBool -ubidi_isMirrored(UChar32 c) { - uint16_t props=UTRIE2_GET16(&ubidi_props_singleton.trie, c); - return (UBool)UBIDI_GET_FLAG(props, UBIDI_IS_MIRRORED_SHIFT); -} - -static UChar32 -getMirror(UChar32 c, uint16_t props) { - int32_t delta=UBIDI_GET_MIRROR_DELTA(props); - if(delta!=UBIDI_ESC_MIRROR_DELTA) { - return c+delta; - } else { - /* look for mirror code point in the mirrors[] table */ - const uint32_t *mirrors; - uint32_t m; - int32_t i, length; - UChar32 c2; - - mirrors=ubidi_props_singleton.mirrors; - length=ubidi_props_singleton.indexes[UBIDI_IX_MIRROR_LENGTH]; - - /* linear search */ - for(i=0; i<length; ++i) { - m=mirrors[i]; - c2=UBIDI_GET_MIRROR_CODE_POINT(m); - if(c==c2) { - /* found c, return its mirror code point using the index in m */ - return UBIDI_GET_MIRROR_CODE_POINT(mirrors[UBIDI_GET_MIRROR_INDEX(m)]); - } else if(c<c2) { - break; - } - } - - /* c not found, return it itself */ - return c; - } -} - -U_CFUNC UChar32 -ubidi_getMirror(UChar32 c) { - uint16_t props=UTRIE2_GET16(&ubidi_props_singleton.trie, c); - return getMirror(c, props); -} - -U_CFUNC UBool -ubidi_isBidiControl(UChar32 c) { - uint16_t props=UTRIE2_GET16(&ubidi_props_singleton.trie, c); - return (UBool)UBIDI_GET_FLAG(props, UBIDI_BIDI_CONTROL_SHIFT); -} - -U_CFUNC UBool -ubidi_isJoinControl(UChar32 c) { - uint16_t props=UTRIE2_GET16(&ubidi_props_singleton.trie, c); - return (UBool)UBIDI_GET_FLAG(props, UBIDI_JOIN_CONTROL_SHIFT); -} - -U_CFUNC UJoiningType -ubidi_getJoiningType(UChar32 c) { - uint16_t props=UTRIE2_GET16(&ubidi_props_singleton.trie, c); - return (UJoiningType)((props&UBIDI_JT_MASK)>>UBIDI_JT_SHIFT); -} - -U_CFUNC UJoiningGroup -ubidi_getJoiningGroup(UChar32 c) { - UChar32 start, limit; - - start=ubidi_props_singleton.indexes[UBIDI_IX_JG_START]; - limit=ubidi_props_singleton.indexes[UBIDI_IX_JG_LIMIT]; - if(start<=c && c<limit) { - return (UJoiningGroup)ubidi_props_singleton.jgArray[c-start]; - } - start=ubidi_props_singleton.indexes[UBIDI_IX_JG_START2]; - limit=ubidi_props_singleton.indexes[UBIDI_IX_JG_LIMIT2]; - if(start<=c && c<limit) { - return (UJoiningGroup)ubidi_props_singleton.jgArray2[c-start]; - } - return U_JG_NO_JOINING_GROUP; -} - -U_CFUNC UBidiPairedBracketType -ubidi_getPairedBracketType(UChar32 c) { - uint16_t props=UTRIE2_GET16(&ubidi_props_singleton.trie, c); - return (UBidiPairedBracketType)((props&UBIDI_BPT_MASK)>>UBIDI_BPT_SHIFT); -} - -U_CFUNC UChar32 -ubidi_getPairedBracket(UChar32 c) { - uint16_t props=UTRIE2_GET16(&ubidi_props_singleton.trie, c); - if((props&UBIDI_BPT_MASK)==0) { - return c; - } else { - return getMirror(c, props); - } -} - -/* public API (see uchar.h) ------------------------------------------------- */ - -U_CFUNC UCharDirection -u_charDirection(UChar32 c) { - return ubidi_getClass(c); -} - -U_CFUNC UBool -u_isMirrored(UChar32 c) { - return ubidi_isMirrored(c); -} - -U_CFUNC UChar32 -u_charMirror(UChar32 c) { - return ubidi_getMirror(c); -} - -U_STABLE UChar32 U_EXPORT2 -u_getBidiPairedBracket(UChar32 c) { - return ubidi_getPairedBracket(c); -} |