diff options
| -rw-r--r-- | core/fxcrt/fx_arabic.cpp | 461 |
1 files changed, 119 insertions, 342 deletions
diff --git a/core/fxcrt/fx_arabic.cpp b/core/fxcrt/fx_arabic.cpp index cf0056ede2..434c203120 100644 --- a/core/fxcrt/fx_arabic.cpp +++ b/core/fxcrt/fx_arabic.cpp @@ -114,6 +114,122 @@ const FX_ARASHADDA gs_FX_ShaddaTable[] = { {0x064F, 0xFC61}, {0x0650, 0xFC62}, }; +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, +}; + +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}, +}; + +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_BIDICLASS_L}, + {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_BIDICLASS_L}, + {FX_BNAIn, FX_BNAEn, FX_BNARn, FX_BNARn, FX_BNAEn}, +}; + +const int32_t gc_FX_BidiAddLevel[][4] = { + {0, 1, 2, 2}, + {1, 0, 1, 1}, +}; + const FX_ARBFORMTABLE* ParseChar(const CFX_Char* pTC, FX_WCHAR& wChar, FX_CHARTYPE& eType) { @@ -236,217 +352,8 @@ void FX_BidiReverseString(CFX_WideString& wsText, *pEnd-- = wch; } } -void FX_BidiSetDeferredRun(CFX_Int32Array& values, - int32_t iStart, - int32_t iCount, - int32_t iValue) { - ASSERT(iStart > -1 && iStart <= values.GetSize()); - 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) { - ASSERT(wsText.GetLength() == classes.GetSize()); - int32_t iCount = wsText.GetLength(); - const FX_WCHAR* pwsStart = wsText.c_str(); - FX_WCHAR wch; - int32_t iCls; - if (bWS) { - for (int32_t i = 0; i < iCount; i++) { - wch = *pwsStart++; - iCls = - ((kTextLayoutCodeProperties[(uint16_t)wch] & FX_BIDICLASSBITSMASK) >> - FX_BIDICLASSBITS); - classes.SetAt(i, iCls); - } - } else { - for (int32_t i = 0; i < iCount; i++) { - wch = *pwsStart++; - iCls = - ((kTextLayoutCodeProperties[(uint16_t)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) { - ASSERT(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL && iNest >= 0); - ASSERT(classes.GetSize() == levels.GetSize()); - ASSERT(iStart >= 0 && iStart < classes.GetSize()); - 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) { - ASSERT(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL); - 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); - - 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_BIDICLASS_L}, - {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_BIDICLASS_L}, - {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)) { @@ -455,6 +362,7 @@ int32_t FX_BidiGetDeferredNeutrals(int32_t iAction, int32_t iLevel) { return iAction; } } + int32_t FX_BidiGetResolvedNeutrals(int32_t iAction) { iAction = (iAction & 0xF); if (iAction == FX_BIDINEUTRALACTION_In) { @@ -463,119 +371,7 @@ int32_t FX_BidiGetResolvedNeutrals(int32_t iAction) { return iAction; } } -void FX_BidiResolveNeutrals(int32_t iBaseLevel, - CFX_Int32Array& classes, - const CFX_Int32Array& levels) { - ASSERT(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL); - 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; - } - 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) { - 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; - } - 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) { - ASSERT(iBaseLevel >= 0 && iBaseLevel <= FX_BIDIMAXLEVEL); - 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, @@ -619,26 +415,7 @@ void FX_BidiReorder(int32_t iBaseLevel, 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: |