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Unified Diff: core/src/fxcrt/fx_arabic.cpp

Issue 1800523005: Move core/src/ up to core/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 9 months ago
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Index: core/src/fxcrt/fx_arabic.cpp
diff --git a/core/src/fxcrt/fx_arabic.cpp b/core/src/fxcrt/fx_arabic.cpp
deleted file mode 100644
index e611be0c52f511dcff47d62b3cb916b8171e19e0..0000000000000000000000000000000000000000
--- a/core/src/fxcrt/fx_arabic.cpp
+++ /dev/null
@@ -1,1063 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/include/fxcrt/fx_ucd.h"
-#include "core/src/fxcrt/fx_arabic.h"
-
-namespace {
-
-const FX_ARBFORMTABLE g_FX_ArabicFormTables[] = {
- {0xFE81, 0xFE82, 0xFE81, 0xFE82},
- {0xFE83, 0xFE84, 0xFE83, 0xFE84},
- {0xFE85, 0xFE86, 0xFE85, 0xFE86},
- {0xFE87, 0xFE88, 0xFE87, 0xFE88},
- {0xFE89, 0xFE8A, 0xFE8B, 0xFE8C},
- {0xFE8D, 0xFE8E, 0xFE8D, 0xFE8E},
- {0xFE8F, 0xFE90, 0xFE91, 0xFE92},
- {0xFE93, 0xFE94, 0xFE93, 0xFE94},
- {0xFE95, 0xFE96, 0xFE97, 0xFE98},
- {0xFE99, 0xFE9A, 0xFE9B, 0xFE9C},
- {0xFE9D, 0xFE9E, 0xFE9F, 0xFEA0},
- {0xFEA1, 0xFEA2, 0xFEA3, 0xFEA4},
- {0xFEA5, 0xFEA6, 0xFEA7, 0xFEA8},
- {0xFEA9, 0xFEAA, 0xFEA9, 0xFEAA},
- {0xFEAB, 0xFEAC, 0xFEAB, 0xFEAC},
- {0xFEAD, 0xFEAE, 0xFEAD, 0xFEAE},
- {0xFEAF, 0xFEB0, 0xFEAF, 0xFEB0},
- {0xFEB1, 0xFEB2, 0xFEB3, 0xFEB4},
- {0xFEB5, 0xFEB6, 0xFEB7, 0xFEB8},
- {0xFEB9, 0xFEBA, 0xFEBB, 0xFEBC},
- {0xFEBD, 0xFEBE, 0xFEBF, 0xFEC0},
- {0xFEC1, 0xFEC2, 0xFEC3, 0xFEC4},
- {0xFEC5, 0xFEC6, 0xFEC7, 0xFEC8},
- {0xFEC9, 0xFECA, 0xFECB, 0xFECC},
- {0xFECD, 0xFECE, 0xFECF, 0xFED0},
- {0x063B, 0x063B, 0x063B, 0x063B},
- {0x063C, 0x063C, 0x063C, 0x063C},
- {0x063D, 0x063D, 0x063D, 0x063D},
- {0x063E, 0x063E, 0x063E, 0x063E},
- {0x063F, 0x063F, 0x063F, 0x063F},
- {0x0640, 0x0640, 0x0640, 0x0640},
- {0xFED1, 0xFED2, 0xFED3, 0xFED4},
- {0xFED5, 0xFED6, 0xFED7, 0xFED8},
- {0xFED9, 0xFEDA, 0xFEDB, 0xFEDC},
- {0xFEDD, 0xFEDE, 0xFEDF, 0xFEE0},
- {0xFEE1, 0xFEE2, 0xFEE3, 0xFEE4},
- {0xFEE5, 0xFEE6, 0xFEE7, 0xFEE8},
- {0xFEE9, 0xFEEA, 0xFEEB, 0xFEEC},
- {0xFEED, 0xFEEE, 0xFEED, 0xFEEE},
- {0xFEEF, 0xFEF0, 0xFBFE, 0xFBFF},
- {0xFEF1, 0xFEF2, 0xFEF3, 0xFEF4},
- {0x064B, 0x064B, 0x064B, 0x064B},
- {0x064C, 0x064C, 0x064C, 0x064C},
- {0x064D, 0x064D, 0x064D, 0x064D},
- {0x064E, 0x064E, 0x064E, 0x064E},
- {0x064F, 0x064F, 0x064F, 0x064F},
- {0x0650, 0x0650, 0x0650, 0x0650},
- {0x0651, 0x0651, 0x0651, 0x0651},
- {0x0652, 0x0652, 0x0652, 0x0652},
- {0x0653, 0x0653, 0x0653, 0x0653},
- {0x0654, 0x0654, 0x0654, 0x0654},
- {0x0655, 0x0655, 0x0655, 0x0655},
- {0x0656, 0x0656, 0x0656, 0x0656},
- {0x0657, 0x0657, 0x0657, 0x0657},
- {0x0658, 0x0658, 0x0658, 0x0658},
- {0x0659, 0x0659, 0x0659, 0x0659},
- {0x065A, 0x065A, 0x065A, 0x065A},
- {0x065B, 0x065B, 0x065B, 0x065B},
- {0x065C, 0x065C, 0x065C, 0x065C},
- {0x065D, 0x065D, 0x065D, 0x065D},
- {0x065E, 0x065E, 0x065E, 0x065E},
- {0x065F, 0x065F, 0x065F, 0x065F},
- {0x0660, 0x0660, 0x0660, 0x0660},
- {0x0661, 0x0661, 0x0661, 0x0661},
- {0x0662, 0x0662, 0x0662, 0x0662},
- {0x0663, 0x0663, 0x0663, 0x0663},
- {0x0664, 0x0664, 0x0664, 0x0664},
- {0x0665, 0x0665, 0x0665, 0x0665},
- {0x0666, 0x0666, 0x0666, 0x0666},
- {0x0667, 0x0667, 0x0667, 0x0667},
- {0x0668, 0x0668, 0x0668, 0x0668},
- {0x0669, 0x0669, 0x0669, 0x0669},
- {0x066A, 0x066A, 0x066A, 0x066A},
- {0x066B, 0x066B, 0x066B, 0x066B},
- {0x066C, 0x066C, 0x066C, 0x066C},
- {0x066D, 0x066D, 0x066D, 0x066D},
- {0x066E, 0x066E, 0x066E, 0x066E},
- {0x066F, 0x066F, 0x066F, 0x066F},
- {0x0670, 0x0670, 0x0670, 0x0670},
- {0xFB50, 0xFB51, 0xFB50, 0xFB51},
- {0x0672, 0x0672, 0x0672, 0x0672},
- {0x0673, 0x0673, 0x0673, 0x0673},
- {0x0674, 0x0674, 0x0674, 0x0674},
- {0x0675, 0x0675, 0x0675, 0x0675},
- {0x0676, 0x0676, 0x0676, 0x0676},
- {0x0677, 0x0677, 0x0677, 0x0677},
- {0x0678, 0x0678, 0x0678, 0x0678},
- {0xFB66, 0xFB67, 0xFB68, 0xFB69},
- {0xFB5E, 0xFB5F, 0xFB60, 0xFB61},
- {0xFB52, 0xFB53, 0xFB54, 0xFB55},
- {0x067C, 0x067C, 0x067C, 0x067C},
- {0x067D, 0x067D, 0x067D, 0x067D},
- {0xFB56, 0xFB57, 0xFB58, 0xFB59},
- {0xFB62, 0xFB63, 0xFB64, 0xFB65},
- {0xFB5A, 0xFB5B, 0xFB5C, 0xFB5D},
- {0x0681, 0x0681, 0x0681, 0x0681},
- {0x0682, 0x0682, 0x0682, 0x0682},
- {0xFB76, 0xFB77, 0xFB78, 0xFB79},
- {0xFB72, 0xFB73, 0xFB74, 0xFB75},
- {0x0685, 0x0685, 0x0685, 0x0685},
- {0xFB7A, 0xFB7B, 0xFB7C, 0xFB7D},
- {0xFB7E, 0xFB7F, 0xFB80, 0xFB81},
- {0xFB88, 0xFB89, 0xFB88, 0xFB89},
- {0x0689, 0x0689, 0x0689, 0x0689},
- {0x068A, 0x068A, 0x068A, 0x068A},
- {0x068B, 0x068B, 0x068B, 0x068B},
- {0xFB84, 0xFB85, 0xFB84, 0xFB85},
- {0xFB82, 0xFB83, 0xFB82, 0xFB83},
- {0xFB86, 0xFB87, 0xFB86, 0xFB87},
- {0x068F, 0x068F, 0x068F, 0x068F},
- {0x0690, 0x0690, 0x0690, 0x0690},
- {0xFB8C, 0xFB8D, 0xFB8C, 0xFB8D},
- {0x0692, 0x0692, 0x0692, 0x0692},
- {0x0693, 0x0693, 0x0693, 0x0693},
- {0x0694, 0x0694, 0x0694, 0x0694},
- {0x0695, 0x0695, 0x0695, 0x0695},
- {0x0696, 0x0696, 0x0696, 0x0696},
- {0x0697, 0x0697, 0x0697, 0x0697},
- {0xFB8A, 0xFB8B, 0xFB8A, 0xFB8B},
- {0x0699, 0x0699, 0x0699, 0x0699},
- {0x069A, 0x069A, 0x069A, 0x069A},
- {0x069B, 0x069B, 0x069B, 0x069B},
- {0x069C, 0x069C, 0x069C, 0x069C},
- {0x069D, 0x069D, 0x069D, 0x069D},
- {0x069E, 0x069E, 0x069E, 0x069E},
- {0x069F, 0x069F, 0x069F, 0x069F},
- {0x06A0, 0x06A0, 0x06A0, 0x06A0},
- {0x06A1, 0x06A1, 0x06A1, 0x06A1},
- {0x06A2, 0x06A2, 0x06A2, 0x06A2},
- {0x06A3, 0x06A3, 0x06A3, 0x06A3},
- {0xFB6A, 0xFB6B, 0xFB6C, 0xFB6D},
- {0x06A5, 0x06A5, 0x06A5, 0x06A5},
- {0xFB6E, 0xFB6F, 0xFB70, 0xFB71},
- {0x06A7, 0x06A7, 0x06A7, 0x06A7},
- {0x06A8, 0x06A8, 0x06A8, 0x06A8},
- {0xFB8E, 0xFB8F, 0xFB90, 0xFB91},
- {0x06AA, 0x06AA, 0x06AA, 0x06AA},
- {0x06AB, 0x06AB, 0x06AB, 0x06AB},
- {0x06AC, 0x06AC, 0x06AC, 0x06AC},
- {0xFBD3, 0xFBD4, 0xFBD5, 0xFBD6},
- {0x06AE, 0x06AE, 0x06AE, 0x06AE},
- {0xFB92, 0xFB93, 0xFB94, 0xFB95},
- {0x06B0, 0x06B0, 0x06B0, 0x06B0},
- {0xFB9A, 0xFB9B, 0xFB9C, 0xFB9D},
- {0x06B2, 0x06B2, 0x06B2, 0x06B2},
- {0xFB96, 0xFB97, 0xFB98, 0xFB99},
- {0x06B4, 0x06B4, 0x06B4, 0x06B4},
- {0x06B5, 0x06B5, 0x06B5, 0x06B5},
- {0x06B6, 0x06B6, 0x06B6, 0x06B6},
- {0x06B7, 0x06B7, 0x06B7, 0x06B7},
- {0x06B8, 0x06B8, 0x06B8, 0x06B8},
- {0x06B9, 0x06B9, 0x06B9, 0x06B9},
- {0xFB9E, 0xFB9F, 0xFBE8, 0xFBE9},
- {0xFBA0, 0xFBA1, 0xFBA2, 0xFBA3},
- {0x06BC, 0x06BC, 0x06BC, 0x06BC},
- {0x06BD, 0x06BD, 0x06BD, 0x06BD},
- {0xFBAA, 0xFBAB, 0xFBAC, 0xFBAD},
- {0x06BF, 0x06BF, 0x06BF, 0x06BF},
- {0xFBA4, 0xFBA5, 0xFBA4, 0xFBA5},
- {0xFBA6, 0xFBA7, 0xFBA8, 0xFBA9},
- {0x06C2, 0x06C2, 0x06C2, 0x06C2},
- {0x06C3, 0x06C3, 0x06C3, 0x06C3},
- {0x06C4, 0x06C4, 0x06C4, 0x06C4},
- {0xFBE0, 0xFBE1, 0xFBE0, 0xFBE1},
- {0xFBD9, 0xFBDA, 0xFBD9, 0xFBDA},
- {0xFBD7, 0xFBD8, 0xFBD7, 0xFBD8},
- {0xFBDB, 0xFBDC, 0xFBDB, 0xFBDC},
- {0xFBE2, 0xFBE3, 0xFBE2, 0xFBE3},
- {0x06CA, 0x06CA, 0x06CA, 0x06CA},
- {0xFBDE, 0xFBDF, 0xFBDE, 0xFBDF},
- {0xFBFC, 0xFBFD, 0xFBFE, 0xFBFF},
- {0x06CD, 0x06CD, 0x06CD, 0x06CD},
- {0x06CE, 0x06CE, 0x06CE, 0x06CE},
- {0x06CF, 0x06CF, 0x06CF, 0x06CF},
- {0xFBE4, 0xFBE5, 0xFBE6, 0xFBE7},
- {0x06D1, 0x06D1, 0x06D1, 0x06D1},
- {0xFBAE, 0xFBAF, 0xFBAE, 0xFBAF},
- {0xFBB0, 0xFBB1, 0xFBB0, 0xFBB1},
- {0x06D4, 0x06D4, 0x06D4, 0x06D4},
- {0x06D5, 0x06D5, 0x06D5, 0x06D5},
-};
-
-const FX_ARAALEF gs_FX_AlefTable[] = {
- {0x0622, 0xFEF5},
- {0x0623, 0xFEF7},
- {0x0625, 0xFEF9},
- {0x0627, 0xFEFB},
-};
-
-const FX_ARASHADDA gs_FX_ShaddaTable[] = {
- {0x064C, 0xFC5E},
- {0x064D, 0xFC5F},
- {0x064E, 0xFC60},
- {0x064F, 0xFC61},
- {0x0650, 0xFC62},
-};
-
-} // namespace
-
-const FX_ARBFORMTABLE* FX_GetArabicFormTable(FX_WCHAR unicode) {
- if (unicode < 0x622 || unicode > 0x6d5) {
- return NULL;
- }
- return g_FX_ArabicFormTables + unicode - 0x622;
-}
-FX_WCHAR FX_GetArabicFromAlefTable(FX_WCHAR alef) {
- static const int32_t s_iAlefCount =
- sizeof(gs_FX_AlefTable) / sizeof(FX_ARAALEF);
- for (int32_t iStart = 0; iStart < s_iAlefCount; iStart++) {
- const FX_ARAALEF& v = gs_FX_AlefTable[iStart];
- if (v.wAlef == alef) {
- return v.wIsolated;
- }
- }
- return alef;
-}
-FX_WCHAR FX_GetArabicFromShaddaTable(FX_WCHAR shadda) {
- static const int32_t s_iShaddaCount =
- sizeof(gs_FX_ShaddaTable) / sizeof(FX_ARASHADDA);
- for (int32_t iStart = 0; iStart < s_iShaddaCount; iStart++) {
- const FX_ARASHADDA& v = gs_FX_ShaddaTable[iStart];
- if (v.wShadda == shadda) {
- return v.wIsolated;
- }
- }
- return shadda;
-}
-
-IFX_ArabicChar* IFX_ArabicChar::Create() {
- return new CFX_ArabicChar;
-}
-FX_BOOL CFX_ArabicChar::IsArabicChar(FX_WCHAR wch) const {
- FX_DWORD dwRet =
- kTextLayoutCodeProperties[(FX_WORD)wch] & FX_CHARTYPEBITSMASK;
- return dwRet >= FX_CHARTYPE_ArabicAlef;
-}
-FX_BOOL CFX_ArabicChar::IsArabicFormChar(FX_WCHAR wch) const {
- return (kTextLayoutCodeProperties[(FX_WORD)wch] & FX_CHARTYPEBITSMASK) ==
- FX_CHARTYPE_ArabicForm;
-}
-FX_WCHAR CFX_ArabicChar::GetFormChar(FX_WCHAR wch,
- FX_WCHAR prev,
- FX_WCHAR next) const {
- CFX_Char c(wch, kTextLayoutCodeProperties[(FX_WORD)wch]);
- CFX_Char p(prev, kTextLayoutCodeProperties[(FX_WORD)prev]);
- CFX_Char n(next, kTextLayoutCodeProperties[(FX_WORD)next]);
- return GetFormChar(&c, &p, &n);
-}
-FX_WCHAR CFX_ArabicChar::GetFormChar(const CFX_Char* cur,
- const CFX_Char* prev,
- const CFX_Char* next) const {
- FX_CHARTYPE eCur;
- FX_WCHAR wCur;
- const FX_ARBFORMTABLE* ft = ParseChar(cur, wCur, eCur);
- if (eCur < FX_CHARTYPE_ArabicAlef || eCur >= FX_CHARTYPE_ArabicNormal) {
- return wCur;
- }
- FX_CHARTYPE ePrev;
- FX_WCHAR wPrev;
- ParseChar(prev, wPrev, ePrev);
- if (wPrev == 0x0644 && eCur == FX_CHARTYPE_ArabicAlef) {
- return 0xFEFF;
- }
- FX_CHARTYPE eNext;
- FX_WCHAR wNext;
- ParseChar(next, wNext, eNext);
- bool bAlef = (eNext == FX_CHARTYPE_ArabicAlef && wCur == 0x644);
- if (ePrev < FX_CHARTYPE_ArabicAlef) {
- if (bAlef) {
- return FX_GetArabicFromAlefTable(wNext);
- } else {
- return (eNext < FX_CHARTYPE_ArabicAlef) ? ft->wIsolated : ft->wInitial;
- }
- } else {
- if (bAlef) {
- wCur = FX_GetArabicFromAlefTable(wNext);
- return (ePrev != FX_CHARTYPE_ArabicDistortion) ? wCur : ++wCur;
- } else if (ePrev == FX_CHARTYPE_ArabicAlef ||
- ePrev == FX_CHARTYPE_ArabicSpecial) {
- return (eNext < FX_CHARTYPE_ArabicAlef) ? ft->wIsolated : ft->wInitial;
- } else {
- return (eNext < FX_CHARTYPE_ArabicAlef) ? ft->wFinal : ft->wMedial;
- }
- }
-}
-const FX_ARBFORMTABLE* CFX_ArabicChar::ParseChar(const CFX_Char* pTC,
- FX_WCHAR& wChar,
- FX_CHARTYPE& eType) const {
- if (pTC == NULL) {
- eType = FX_CHARTYPE_Unknown;
- wChar = 0xFEFF;
- return NULL;
- }
- eType = (FX_CHARTYPE)pTC->GetCharType();
- wChar = (FX_WCHAR)pTC->m_wCharCode;
- const FX_ARBFORMTABLE* pFT = FX_GetArabicFormTable(wChar);
- if (pFT == NULL || eType >= FX_CHARTYPE_ArabicNormal) {
- eType = FX_CHARTYPE_Unknown;
- }
- return pFT;
-}
-void FX_BidiReverseString(CFX_WideString& wsText,
- int32_t iStart,
- int32_t iCount) {
- FXSYS_assert(iStart > -1 && iStart < wsText.GetLength());
- FXSYS_assert(iCount >= 0 && iStart + iCount <= wsText.GetLength());
- FX_WCHAR wch;
- FX_WCHAR* pStart = (FX_WCHAR*)(const FX_WCHAR*)wsText;
- pStart += iStart;
- FX_WCHAR* pEnd = pStart + iCount - 1;
- while (pStart < pEnd) {
- wch = *pStart;
- *pStart++ = *pEnd;
- *pEnd-- = wch;
- }
-}
-void FX_BidiSetDeferredRun(CFX_Int32Array& values,
- int32_t iStart,
- int32_t iCount,
- int32_t iValue) {
- FXSYS_assert(iStart > -1 && iStart <= values.GetSize());
- FXSYS_assert(iStart - iCount > -1);
- for (int32_t i = iStart - 1; i >= iStart - iCount; i--) {
- values.SetAt(i, iValue);
- }
-}
-const int32_t gc_FX_BidiNTypes[] = {
- FX_BIDICLASS_N, FX_BIDICLASS_L, FX_BIDICLASS_R, FX_BIDICLASS_AN,
- FX_BIDICLASS_EN, FX_BIDICLASS_AL, FX_BIDICLASS_NSM, FX_BIDICLASS_CS,
- FX_BIDICLASS_ES, FX_BIDICLASS_ET, FX_BIDICLASS_BN, FX_BIDICLASS_BN,
- FX_BIDICLASS_N, FX_BIDICLASS_B, FX_BIDICLASS_RLO, FX_BIDICLASS_RLE,
- FX_BIDICLASS_LRO, FX_BIDICLASS_LRE, FX_BIDICLASS_PDF, FX_BIDICLASS_ON,
-};
-void FX_BidiClassify(const CFX_WideString& wsText,
- CFX_Int32Array& classes,
- FX_BOOL bWS) {
- FXSYS_assert(wsText.GetLength() == classes.GetSize());
- int32_t iCount = wsText.GetLength();
- const FX_WCHAR* pwsStart = (const FX_WCHAR*)wsText;
- FX_WCHAR wch;
- int32_t iCls;
- if (bWS) {
- for (int32_t i = 0; i < iCount; i++) {
- wch = *pwsStart++;
- iCls =
- ((kTextLayoutCodeProperties[(FX_WORD)wch] & FX_BIDICLASSBITSMASK) >>
- FX_BIDICLASSBITS);
- classes.SetAt(i, iCls);
- }
- } else {
- for (int32_t i = 0; i < iCount; i++) {
- wch = *pwsStart++;
- iCls =
- ((kTextLayoutCodeProperties[(FX_WORD)wch] & FX_BIDICLASSBITSMASK) >>
- FX_BIDICLASSBITS);
- classes.SetAt(i, gc_FX_BidiNTypes[iCls]);
- }
- }
-}
-int32_t FX_BidiResolveExplicit(int32_t iBaseLevel,
- int32_t iDirection,
- CFX_Int32Array& classes,
- CFX_Int32Array& levels,
- int32_t iStart,
- int32_t iCount,
- int32_t iNest) {
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL && iNest >= 0);
- FXSYS_assert(classes.GetSize() == levels.GetSize());
- FXSYS_assert(iStart >= 0 && iStart < classes.GetSize());
- FXSYS_assert(iCount >= 0 && iStart + iCount <= classes.GetSize());
- if (iCount < 1) {
- return 0;
- }
-
- int32_t iSize = classes.GetSize();
- int32_t i = iStart, iCur, iCls;
- for (; i < iSize && iCount > 0; i++, iCount--) {
- iCur = iCls = classes.GetAt(i);
-
- if (iDirection != FX_BIDICLASS_N) {
- iCls = iDirection;
- }
- if (iCur != FX_BIDICLASS_BN) {
- classes.SetAt(i, iCls);
- }
- levels.SetAt(i, iBaseLevel);
- }
- return i - iStart;
-}
-const int32_t gc_FX_BidiWeakStates[][10] = {
- {FX_BWSao, FX_BWSxl, FX_BWSxr, FX_BWScn, FX_BWScn, FX_BWSxa, FX_BWSxa,
- FX_BWSao, FX_BWSao, FX_BWSao},
- {FX_BWSro, FX_BWSxl, FX_BWSxr, FX_BWSra, FX_BWSre, FX_BWSxa, FX_BWSxr,
- FX_BWSro, FX_BWSro, FX_BWSrt},
- {FX_BWSlo, FX_BWSxl, FX_BWSxr, FX_BWSla, FX_BWSle, FX_BWSxa, FX_BWSxl,
- FX_BWSlo, FX_BWSlo, FX_BWSlt},
- {FX_BWSao, FX_BWSxl, FX_BWSxr, FX_BWScn, FX_BWScn, FX_BWSxa, FX_BWSao,
- FX_BWSao, FX_BWSao, FX_BWSao},
- {FX_BWSro, FX_BWSxl, FX_BWSxr, FX_BWSra, FX_BWSre, FX_BWSxa, FX_BWSro,
- FX_BWSro, FX_BWSro, FX_BWSrt},
- {FX_BWSlo, FX_BWSxl, FX_BWSxr, FX_BWSla, FX_BWSle, FX_BWSxa, FX_BWSlo,
- FX_BWSlo, FX_BWSlo, FX_BWSlt},
- {FX_BWSro, FX_BWSxl, FX_BWSxr, FX_BWSra, FX_BWSre, FX_BWSxa, FX_BWSrt,
- FX_BWSro, FX_BWSro, FX_BWSrt},
- {FX_BWSlo, FX_BWSxl, FX_BWSxr, FX_BWSla, FX_BWSle, FX_BWSxa, FX_BWSlt,
- FX_BWSlo, FX_BWSlo, FX_BWSlt},
- {FX_BWSao, FX_BWSxl, FX_BWSxr, FX_BWScn, FX_BWScn, FX_BWSxa, FX_BWScn,
- FX_BWSac, FX_BWSao, FX_BWSao},
- {FX_BWSro, FX_BWSxl, FX_BWSxr, FX_BWSra, FX_BWSre, FX_BWSxa, FX_BWSra,
- FX_BWSrc, FX_BWSro, FX_BWSrt},
- {FX_BWSro, FX_BWSxl, FX_BWSxr, FX_BWSra, FX_BWSre, FX_BWSxa, FX_BWSre,
- FX_BWSrs, FX_BWSrs, FX_BWSret},
- {FX_BWSlo, FX_BWSxl, FX_BWSxr, FX_BWSla, FX_BWSle, FX_BWSxa, FX_BWSla,
- FX_BWSlc, FX_BWSlo, FX_BWSlt},
- {FX_BWSlo, FX_BWSxl, FX_BWSxr, FX_BWSla, FX_BWSle, FX_BWSxa, FX_BWSle,
- FX_BWSls, FX_BWSls, FX_BWSlet},
- {FX_BWSao, FX_BWSxl, FX_BWSxr, FX_BWScn, FX_BWScn, FX_BWSxa, FX_BWSao,
- FX_BWSao, FX_BWSao, FX_BWSao},
- {FX_BWSro, FX_BWSxl, FX_BWSxr, FX_BWSra, FX_BWSre, FX_BWSxa, FX_BWSro,
- FX_BWSro, FX_BWSro, FX_BWSrt},
- {FX_BWSro, FX_BWSxl, FX_BWSxr, FX_BWSra, FX_BWSre, FX_BWSxa, FX_BWSro,
- FX_BWSro, FX_BWSro, FX_BWSrt},
- {FX_BWSlo, FX_BWSxl, FX_BWSxr, FX_BWSla, FX_BWSle, FX_BWSxa, FX_BWSlo,
- FX_BWSlo, FX_BWSlo, FX_BWSlt},
- {FX_BWSlo, FX_BWSxl, FX_BWSxr, FX_BWSla, FX_BWSle, FX_BWSxa, FX_BWSlo,
- FX_BWSlo, FX_BWSlo, FX_BWSlt},
- {FX_BWSro, FX_BWSxl, FX_BWSxr, FX_BWSra, FX_BWSre, FX_BWSxa, FX_BWSret,
- FX_BWSro, FX_BWSro, FX_BWSret},
- {FX_BWSlo, FX_BWSxl, FX_BWSxr, FX_BWSla, FX_BWSle, FX_BWSxa, FX_BWSlet,
- FX_BWSlo, FX_BWSlo, FX_BWSlet},
-};
-const int32_t gc_FX_BidiWeakActions[][10] = {
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxA, FX_BWAxxR,
- FX_BWAxxR, FX_BWAxxN, FX_BWAxxN, FX_BWAxxN},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxE, FX_BWAxxR,
- FX_BWAxxR, FX_BWAxxN, FX_BWAxxN, FX_BWAxIx},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxL, FX_BWAxxR,
- FX_BWAxxL, FX_BWAxxN, FX_BWAxxN, FX_BWAxIx},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxA, FX_BWAxxR,
- FX_BWAxxN, FX_BWAxxN, FX_BWAxxN, FX_BWAxxN},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxE, FX_BWAxxR,
- FX_BWAxxN, FX_BWAxxN, FX_BWAxxN, FX_BWAxIx},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxL, FX_BWAxxR,
- FX_BWAxxN, FX_BWAxxN, FX_BWAxxN, FX_BWAxIx},
- {FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWAExE, FX_BWANxR,
- FX_BWAxIx, FX_BWANxN, FX_BWANxN, FX_BWAxIx},
- {FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWALxL, FX_BWANxR,
- FX_BWAxIx, FX_BWANxN, FX_BWANxN, FX_BWAxIx},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxA, FX_BWAxxR,
- FX_BWAxxA, FX_BWAxIx, FX_BWAxxN, FX_BWAxxN},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxE, FX_BWAxxR,
- FX_BWAxxA, FX_BWAxIx, FX_BWAxxN, FX_BWAxIx},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxE, FX_BWAxxR,
- FX_BWAxxE, FX_BWAxIx, FX_BWAxIx, FX_BWAxxE},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxL, FX_BWAxxR,
- FX_BWAxxA, FX_BWAxIx, FX_BWAxxN, FX_BWAxIx},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxL, FX_BWAxxR,
- FX_BWAxxL, FX_BWAxIx, FX_BWAxIx, FX_BWAxxL},
- {FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWAAxx, FX_BWAAxA, FX_BWANxR,
- FX_BWANxN, FX_BWANxN, FX_BWANxN, FX_BWANxN},
- {FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWAAxx, FX_BWANxE, FX_BWANxR,
- FX_BWANxN, FX_BWANxN, FX_BWANxN, FX_BWANIx},
- {FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWAExE, FX_BWANxR,
- FX_BWANxN, FX_BWANxN, FX_BWANxN, FX_BWANIx},
- {FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWAAxx, FX_BWANxL, FX_BWANxR,
- FX_BWANxN, FX_BWANxN, FX_BWANxN, FX_BWANIx},
- {FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWANxx, FX_BWALxL, FX_BWANxR,
- FX_BWANxN, FX_BWANxN, FX_BWANxN, FX_BWANIx},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxE, FX_BWAxxR,
- FX_BWAxxE, FX_BWAxxN, FX_BWAxxN, FX_BWAxxE},
- {FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxx, FX_BWAxxL, FX_BWAxxR,
- FX_BWAxxL, FX_BWAxxN, FX_BWAxxN, FX_BWAxxL},
-};
-void FX_BidiResolveWeak(int32_t iBaseLevel,
- CFX_Int32Array& classes,
- CFX_Int32Array& levels) {
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- FXSYS_assert(classes.GetSize() == levels.GetSize());
- int32_t iSize = classes.GetSize();
- if (iSize < 1) {
- return;
- }
- iSize--;
- int32_t iLevelCur = iBaseLevel;
- int32_t iState = FX_IsOdd(iBaseLevel) ? FX_BWSxr : FX_BWSxl;
- int32_t i = 0, iCount = 0, iClsCur, iClsRun, iClsNew, iAction;
- for (; i <= iSize; i++) {
- iClsCur = classes.GetAt(i);
-
- FXSYS_assert(iClsCur <= FX_BIDICLASS_BN);
- iAction = gc_FX_BidiWeakActions[iState][iClsCur];
- iClsRun = FX_BidiGetDeferredType(iAction);
- if (iClsRun != FX_BIDIWEAKACTION_XX && iCount > 0) {
- FX_BidiSetDeferredRun(classes, i, iCount, iClsRun);
- iCount = 0;
- }
- iClsNew = FX_BidiGetResolvedType(iAction);
- if (iClsNew != FX_BIDIWEAKACTION_XX) {
- classes.SetAt(i, iClsNew);
- }
- if (FX_BIDIWEAKACTION_IX & iAction) {
- iCount++;
- }
- iState = gc_FX_BidiWeakStates[iState][iClsCur];
- }
- iClsCur = FX_BidiDirection(iLevelCur);
- iClsRun = FX_BidiGetDeferredType(gc_FX_BidiWeakActions[iState][iClsCur]);
- if (iClsRun != FX_BIDIWEAKACTION_XX && iCount > 0) {
- FX_BidiSetDeferredRun(classes, i, iCount, iClsRun);
- }
-}
-const int32_t gc_FX_BidiNeutralStates[][5] = {
- {FX_BNSrn, FX_BNSl, FX_BNSr, FX_BNSr, FX_BNSr},
- {FX_BNSln, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl},
- {FX_BNSrn, FX_BNSl, FX_BNSr, FX_BNSr, FX_BNSr},
- {FX_BNSln, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl},
- {FX_BNSna, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl},
- {FX_BNSna, FX_BNSl, FX_BNSr, FX_BNSa, FX_BNSl},
-};
-const int32_t gc_FX_BidiNeutralActions[][5] = {
- {FX_BNAIn, 0, 0, 0, 0},
- {FX_BNAIn, 0, 0, 0, FX_BCL},
- {FX_BNAIn, FX_BNAEn, FX_BNARn, FX_BNARn, FX_BNARn},
- {FX_BNAIn, FX_BNALn, FX_BNAEn, FX_BNAEn, FX_BNALnL},
- {FX_BNAIn, 0, 0, 0, FX_BCL},
- {FX_BNAIn, FX_BNAEn, FX_BNARn, FX_BNARn, FX_BNAEn},
-};
-int32_t FX_BidiGetDeferredNeutrals(int32_t iAction, int32_t iLevel) {
- iAction = (iAction >> 4) & 0xF;
- if (iAction == (FX_BIDINEUTRALACTION_En >> 4)) {
- return FX_BidiDirection(iLevel);
- } else {
- return iAction;
- }
-}
-int32_t FX_BidiGetResolvedNeutrals(int32_t iAction) {
- iAction = (iAction & 0xF);
- if (iAction == FX_BIDINEUTRALACTION_In) {
- return 0;
- } else {
- return iAction;
- }
-}
-void FX_BidiResolveNeutrals(int32_t iBaseLevel,
- CFX_Int32Array& classes,
- const CFX_Int32Array& levels) {
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- FXSYS_assert(classes.GetSize() == levels.GetSize());
- int32_t iSize = classes.GetSize();
- if (iSize < 1) {
- return;
- }
- iSize--;
- int32_t iLevel = iBaseLevel;
- int32_t iState = FX_IsOdd(iBaseLevel) ? FX_BNSr : FX_BNSl;
- int32_t i = 0, iCount = 0, iClsCur, iClsRun, iClsNew, iAction;
- for (; i <= iSize; i++) {
- iClsCur = classes.GetAt(i);
- if (iClsCur == FX_BIDICLASS_BN) {
- if (iCount) {
- iCount++;
- }
- continue;
- }
- FXSYS_assert(iClsCur < FX_BIDICLASS_AL);
- iAction = gc_FX_BidiNeutralActions[iState][iClsCur];
- iClsRun = FX_BidiGetDeferredNeutrals(iAction, iLevel);
- if (iClsRun != FX_BIDICLASS_N && iCount > 0) {
- FX_BidiSetDeferredRun(classes, i, iCount, iClsRun);
- iCount = 0;
- }
- iClsNew = FX_BidiGetResolvedNeutrals(iAction);
- if (iClsNew != FX_BIDICLASS_N) {
- classes.SetAt(i, iClsNew);
- }
- if (FX_BIDINEUTRALACTION_In & iAction) {
- iCount++;
- }
- iState = gc_FX_BidiNeutralStates[iState][iClsCur];
- iLevel = levels.GetAt(i);
- }
- iClsCur = FX_BidiDirection(iLevel);
- iClsRun = FX_BidiGetDeferredNeutrals(
- gc_FX_BidiNeutralActions[iState][iClsCur], iLevel);
- if (iClsRun != FX_BIDICLASS_N && iCount > 0) {
- FX_BidiSetDeferredRun(classes, i, iCount, iClsRun);
- }
-}
-const int32_t gc_FX_BidiAddLevel[][4] = {
- {0, 1, 2, 2},
- {1, 0, 1, 1},
-};
-void FX_BidiResolveImplicit(const CFX_Int32Array& classes,
- CFX_Int32Array& levels) {
- FXSYS_assert(classes.GetSize() == levels.GetSize());
- int32_t iSize = classes.GetSize();
- if (iSize < 1) {
- return;
- }
- iSize--;
- int32_t iCls, iLevel;
- for (int32_t i = 0; i <= iSize; i++) {
- iCls = classes.GetAt(i);
- if (iCls == FX_BIDICLASS_BN) {
- continue;
- }
- FXSYS_assert(iCls > FX_BIDICLASS_ON && iCls < FX_BIDICLASS_AL);
- iLevel = levels.GetAt(i);
- iLevel += gc_FX_BidiAddLevel[FX_IsOdd(iLevel)][iCls - 1];
- levels.SetAt(i, iLevel);
- }
-}
-void FX_BidiResolveWhitespace(int32_t iBaseLevel,
- const CFX_Int32Array& classes,
- CFX_Int32Array& levels) {
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- FXSYS_assert(classes.GetSize() == levels.GetSize());
- int32_t iSize = classes.GetSize();
- if (iSize < 1) {
- return;
- }
- iSize--;
- int32_t iLevel = iBaseLevel;
- int32_t i = 0, iCount = 0;
- for (; i <= iSize; i++) {
- switch (classes.GetAt(i)) {
- case FX_BIDICLASS_WS:
- iCount++;
- break;
- case FX_BIDICLASS_RLE:
- case FX_BIDICLASS_LRE:
- case FX_BIDICLASS_LRO:
- case FX_BIDICLASS_RLO:
- case FX_BIDICLASS_PDF:
- case FX_BIDICLASS_BN:
- levels.SetAt(i, iLevel);
- iCount++;
- break;
- case FX_BIDICLASS_S:
- case FX_BIDICLASS_B:
- if (iCount > 0) {
- FX_BidiSetDeferredRun(levels, i, iCount, iBaseLevel);
- }
- levels.SetAt(i, iBaseLevel);
- iCount = 0;
- break;
- default:
- iCount = 0;
- break;
- }
- iLevel = levels.GetAt(i);
- }
- if (iCount > 0) {
- FX_BidiSetDeferredRun(levels, i, iCount, iBaseLevel);
- }
-}
-int32_t FX_BidiReorderLevel(int32_t iBaseLevel,
- CFX_WideString& wsText,
- const CFX_Int32Array& levels,
- int32_t iStart,
- FX_BOOL bReverse) {
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- FXSYS_assert(wsText.GetLength() == levels.GetSize());
- FXSYS_assert(iStart >= 0 && iStart < wsText.GetLength());
- int32_t iSize = wsText.GetLength();
- if (iSize < 1) {
- return 0;
- }
- bReverse = bReverse || FX_IsOdd(iBaseLevel);
- int32_t i = iStart, iLevel;
- for (; i < iSize; i++) {
- if ((iLevel = levels.GetAt(i)) == iBaseLevel) {
- continue;
- }
- if (iLevel < iBaseLevel) {
- break;
- }
- i += FX_BidiReorderLevel(iBaseLevel + 1, wsText, levels, i, bReverse) - 1;
- }
- int32_t iCount = i - iStart;
- if (bReverse && iCount > 1) {
- FX_BidiReverseString(wsText, iStart, iCount);
- }
- return iCount;
-}
-void FX_BidiReorder(int32_t iBaseLevel,
- CFX_WideString& wsText,
- const CFX_Int32Array& levels) {
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- FXSYS_assert(wsText.GetLength() == levels.GetSize());
- int32_t iSize = wsText.GetLength();
- if (iSize < 1) {
- return;
- }
- int32_t i = 0;
- while (i < iSize) {
- i += FX_BidiReorderLevel(iBaseLevel, wsText, levels, i, FALSE);
- }
-}
-void FX_BidiLine(CFX_WideString& wsText, int32_t iBaseLevel) {
- int32_t iLength = wsText.GetLength();
- if (iLength < 2) {
- return;
- }
- CFX_Int32Array classes, levels;
- classes.SetAtGrow(iLength - 1, 0);
- levels.SetAtGrow(iLength - 1, 0);
- FX_BidiClassify(wsText, classes, FALSE);
- FX_BidiResolveExplicit(iBaseLevel, FX_BIDICLASS_N, classes, levels, 0,
- iLength, 0);
- FX_BidiResolveWeak(iBaseLevel, classes, levels);
- FX_BidiResolveNeutrals(iBaseLevel, classes, levels);
- FX_BidiResolveImplicit(classes, levels);
- FX_BidiClassify(wsText, classes, TRUE);
- FX_BidiResolveWhitespace(iBaseLevel, classes, levels);
- FX_BidiReorder(iBaseLevel, wsText, levels);
- classes.RemoveAll();
- levels.RemoveAll();
-}
-template <class baseType>
-class CFX_BidiLineTemplate {
- public:
- void FX_BidiReverseString(CFX_ArrayTemplate<baseType>& chars,
- int32_t iStart,
- int32_t iCount) {
- FXSYS_assert(iStart > -1 && iStart < chars.GetSize());
- FXSYS_assert(iCount >= 0 && iStart + iCount <= chars.GetSize());
- baseType *pStart, *pEnd;
- int32_t iEnd = iStart + iCount - 1, iTemp;
- while (iStart < iEnd) {
- pStart = chars.GetDataPtr(iStart++);
- pEnd = chars.GetDataPtr(iEnd--);
- iTemp = pStart->m_iBidiPos;
- pStart->m_iBidiPos = pEnd->m_iBidiPos;
- pEnd->m_iBidiPos = iTemp;
- }
- }
- void FX_BidiSetDeferredRun(CFX_ArrayTemplate<baseType>& chars,
- FX_BOOL bClass,
- int32_t iStart,
- int32_t iCount,
- int32_t iValue) {
- FXSYS_assert(iStart > -1 && iStart <= chars.GetSize());
- FXSYS_assert(iStart - iCount > -1);
- baseType* pTC;
- int32_t iLast = iStart - iCount;
- if (bClass) {
- for (int32_t i = iStart - 1; i >= iLast; i--) {
- pTC = chars.GetDataPtr(i);
- pTC->m_iBidiClass = (int16_t)iValue;
- }
- } else {
- for (int32_t i = iStart - 1; i >= iLast; i--) {
- pTC = chars.GetDataPtr(i);
- pTC->m_iBidiLevel = (int16_t)iValue;
- }
- }
- }
- void FX_BidiClassify(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount,
- FX_BOOL bWS) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- baseType* pTC;
- if (bWS) {
- for (int32_t i = 0; i < iCount; i++) {
- pTC = chars.GetDataPtr(i);
- pTC->m_iBidiClass =
- (int16_t)(pTC->m_dwCharProps & FX_BIDICLASSBITSMASK) >>
- FX_BIDICLASSBITS;
- }
- } else {
- for (int32_t i = 0; i < iCount; i++) {
- pTC = chars.GetDataPtr(i);
- pTC->m_iBidiClass = (int16_t)
- gc_FX_BidiNTypes[(pTC->m_dwCharProps & FX_BIDICLASSBITSMASK) >>
- FX_BIDICLASSBITS];
- }
- }
- }
- void FX_BidiResolveExplicit(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount,
- int32_t iBaseLevel) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- if (iCount < 1) {
- return;
- }
- baseType* pTC;
- for (int32_t i = 0; i < iCount; i++) {
- pTC = chars.GetDataPtr(i);
- pTC->m_iBidiLevel = (int16_t)iBaseLevel;
- }
- }
- void FX_BidiResolveWeak(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount,
- int32_t iBaseLevel) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- iCount--;
- if (iCount < 1) {
- return;
- }
- baseType *pTC, *pTCNext;
- int32_t iLevelCur = iBaseLevel;
- int32_t iState = FX_IsOdd(iBaseLevel) ? FX_BWSxr : FX_BWSxl;
- int32_t i = 0, iNum = 0, iClsCur, iClsRun, iClsNew, iAction;
- for (; i <= iCount; i++) {
- pTC = chars.GetDataPtr(i);
- iClsCur = pTC->m_iBidiClass;
- if (iClsCur == FX_BIDICLASS_BN) {
- pTC->m_iBidiLevel = (int16_t)iLevelCur;
- if (i == iCount && iLevelCur != iBaseLevel) {
- iClsCur = FX_BidiDirection(iLevelCur);
- pTC->m_iBidiClass = (int16_t)iClsCur;
- } else if (i < iCount) {
- pTCNext = chars.GetDataPtr(i + 1);
- int32_t iLevelNext, iLevelNew;
- iClsNew = pTCNext->m_iBidiClass;
- iLevelNext = pTCNext->m_iBidiLevel;
- if (iClsNew != FX_BIDICLASS_BN && iLevelCur != iLevelNext) {
- iLevelNew = iLevelNext;
- if (iLevelCur > iLevelNew) {
- iLevelNew = iLevelCur;
- }
- pTC->m_iBidiLevel = (int16_t)iLevelNew;
- iClsCur = FX_BidiDirection(iLevelNew);
- pTC->m_iBidiClass = (int16_t)iClsCur;
- iLevelCur = iLevelNext;
- } else {
- if (iNum > 0) {
- iNum++;
- }
- continue;
- }
- } else {
- if (iNum > 0) {
- iNum++;
- }
- continue;
- }
- }
- FXSYS_assert(iClsCur <= FX_BIDICLASS_BN);
- iAction = gc_FX_BidiWeakActions[iState][iClsCur];
- iClsRun = FX_BidiGetDeferredType(iAction);
- if (iClsRun != FX_BIDIWEAKACTION_XX && iNum > 0) {
- FX_BidiSetDeferredRun(chars, TRUE, i, iNum, iClsRun);
- iNum = 0;
- }
- iClsNew = FX_BidiGetResolvedType(iAction);
- if (iClsNew != FX_BIDIWEAKACTION_XX) {
- pTC->m_iBidiClass = (int16_t)iClsNew;
- }
- if (FX_BIDIWEAKACTION_IX & iAction) {
- iNum++;
- }
- iState = gc_FX_BidiWeakStates[iState][iClsCur];
- }
- if (iNum > 0) {
- iClsCur = FX_BidiDirection(iBaseLevel);
- iClsRun = FX_BidiGetDeferredType(gc_FX_BidiWeakActions[iState][iClsCur]);
- if (iClsRun != FX_BIDIWEAKACTION_XX) {
- FX_BidiSetDeferredRun(chars, TRUE, i, iNum, iClsRun);
- }
- }
- }
- void FX_BidiResolveNeutrals(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount,
- int32_t iBaseLevel) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- iCount--;
- if (iCount < 1) {
- return;
- }
- baseType* pTC;
- int32_t iLevel = iBaseLevel;
- int32_t iState = FX_IsOdd(iBaseLevel) ? FX_BNSr : FX_BNSl;
- int32_t i = 0, iNum = 0, iClsCur, iClsRun, iClsNew, iAction;
- for (; i <= iCount; i++) {
- pTC = chars.GetDataPtr(i);
- iClsCur = pTC->m_iBidiClass;
- if (iClsCur == FX_BIDICLASS_BN) {
- if (iNum) {
- iNum++;
- }
- continue;
- }
- FXSYS_assert(iClsCur < FX_BIDICLASS_AL);
- iAction = gc_FX_BidiNeutralActions[iState][iClsCur];
- iClsRun = FX_BidiGetDeferredNeutrals(iAction, iLevel);
- if (iClsRun != FX_BIDICLASS_N && iNum > 0) {
- FX_BidiSetDeferredRun(chars, TRUE, i, iNum, iClsRun);
- iNum = 0;
- }
- iClsNew = FX_BidiGetResolvedNeutrals(iAction);
- if (iClsNew != FX_BIDICLASS_N) {
- pTC->m_iBidiClass = (int16_t)iClsNew;
- }
- if (FX_BIDINEUTRALACTION_In & iAction) {
- iNum++;
- }
- iState = gc_FX_BidiNeutralStates[iState][iClsCur];
- iLevel = pTC->m_iBidiLevel;
- }
- if (iNum > 0) {
- iClsCur = FX_BidiDirection(iLevel);
- iClsRun = FX_BidiGetDeferredNeutrals(
- gc_FX_BidiNeutralActions[iState][iClsCur], iLevel);
- if (iClsRun != FX_BIDICLASS_N) {
- FX_BidiSetDeferredRun(chars, TRUE, i, iNum, iClsRun);
- }
- }
- }
- void FX_BidiResolveImplicit(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- baseType* pTC;
- int32_t iCls, iLevel;
- for (int32_t i = 0; i < iCount; i++) {
- pTC = chars.GetDataPtr(i);
- iCls = pTC->m_iBidiClass;
- if (iCls == FX_BIDICLASS_BN) {
- continue;
- }
- FXSYS_assert(iCls > FX_BIDICLASS_ON && iCls < FX_BIDICLASS_AL);
- iLevel = pTC->m_iBidiLevel;
- iLevel += gc_FX_BidiAddLevel[FX_IsOdd(iLevel)][iCls - 1];
- pTC->m_iBidiLevel = (int16_t)iLevel;
- }
- }
- void FX_BidiResolveWhitespace(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount,
- int32_t iBaseLevel) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- if (iCount < 1) {
- return;
- }
- iCount--;
- int32_t iLevel = iBaseLevel;
- int32_t i = 0, iNum = 0;
- baseType* pTC;
- for (; i <= iCount; i++) {
- pTC = chars.GetDataPtr(i);
- switch (pTC->m_iBidiClass) {
- case FX_BIDICLASS_WS:
- iNum++;
- break;
- case FX_BIDICLASS_RLE:
- case FX_BIDICLASS_LRE:
- case FX_BIDICLASS_LRO:
- case FX_BIDICLASS_RLO:
- case FX_BIDICLASS_PDF:
- case FX_BIDICLASS_BN:
- pTC->m_iBidiLevel = (int16_t)iLevel;
- iNum++;
- break;
- case FX_BIDICLASS_S:
- case FX_BIDICLASS_B:
- if (iNum > 0) {
- FX_BidiSetDeferredRun(chars, FALSE, i, iNum, iBaseLevel);
- }
- pTC->m_iBidiLevel = (int16_t)iBaseLevel;
- iNum = 0;
- break;
- default:
- iNum = 0;
- break;
- }
- iLevel = pTC->m_iBidiLevel;
- }
- if (iNum > 0) {
- FX_BidiSetDeferredRun(chars, FALSE, i, iNum, iBaseLevel);
- }
- }
- int32_t FX_BidiReorderLevel(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount,
- int32_t iBaseLevel,
- int32_t iStart,
- FX_BOOL bReverse) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- FXSYS_assert(iStart >= 0 && iStart < iCount);
- if (iCount < 1) {
- return 0;
- }
- baseType* pTC;
- bReverse = bReverse || FX_IsOdd(iBaseLevel);
- int32_t i = iStart, iLevel;
- for (; i < iCount; i++) {
- pTC = chars.GetDataPtr(i);
- if ((iLevel = pTC->m_iBidiLevel) == iBaseLevel) {
- continue;
- }
- if (iLevel < iBaseLevel) {
- break;
- }
- i += FX_BidiReorderLevel(chars, iCount, iBaseLevel + 1, i, bReverse) - 1;
- }
- int32_t iNum = i - iStart;
- if (bReverse && iNum > 1) {
- FX_BidiReverseString(chars, iStart, iNum);
- }
- return iNum;
- }
- void FX_BidiReorder(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount,
- int32_t iBaseLevel) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- FXSYS_assert(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL);
- int32_t i = 0;
- while (i < iCount) {
- i += FX_BidiReorderLevel(chars, iCount, iBaseLevel, i, FALSE);
- }
- }
- void FX_BidiPosition(CFX_ArrayTemplate<baseType>& chars, int32_t iCount) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- baseType* pTC;
- int32_t i = 0;
- while (i < iCount) {
- pTC = chars.GetDataPtr(i);
- pTC = chars.GetDataPtr(pTC->m_iBidiPos);
- pTC->m_iBidiOrder = i++;
- }
- }
-
- void FX_BidiLine(CFX_ArrayTemplate<baseType>& chars,
- int32_t iCount,
- int32_t iBaseLevel) {
- FXSYS_assert(iCount > -1 && iCount <= chars.GetSize());
- if (iCount < 2) {
- return;
- }
- FX_BidiClassify(chars, iCount, FALSE);
- FX_BidiResolveExplicit(chars, iCount, iBaseLevel);
- FX_BidiResolveWeak(chars, iCount, iBaseLevel);
- FX_BidiResolveNeutrals(chars, iCount, iBaseLevel);
- FX_BidiResolveImplicit(chars, iCount);
- FX_BidiClassify(chars, iCount, TRUE);
- FX_BidiResolveWhitespace(chars, iCount, iBaseLevel);
- FX_BidiReorder(chars, iCount, iBaseLevel);
- FX_BidiPosition(chars, iCount);
- }
-};
-void FX_BidiLine(CFX_TxtCharArray& chars, int32_t iCount, int32_t iBaseLevel) {
- CFX_BidiLineTemplate<CFX_TxtChar> blt;
- blt.FX_BidiLine(chars, iCount, iBaseLevel);
-}
-void FX_BidiLine(CFX_RTFCharArray& chars, int32_t iCount, int32_t iBaseLevel) {
- CFX_BidiLineTemplate<CFX_RTFChar> blt;
- blt.FX_BidiLine(chars, iCount, iBaseLevel);
-}
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