diff options
Diffstat (limited to 'core/src/fxcrt/fx_arabic.cpp')
| -rw-r--r-- | core/src/fxcrt/fx_arabic.cpp | 1063 |
1 files changed, 0 insertions, 1063 deletions
diff --git a/core/src/fxcrt/fx_arabic.cpp b/core/src/fxcrt/fx_arabic.cpp deleted file mode 100644 index e611be0c52..0000000000 --- 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); -} |