diff options
author | Bo Xu <bo_xu@foxitsoftware.com> | 2014-10-28 23:03:33 -0700 |
---|---|---|
committer | Bo Xu <bo_xu@foxitsoftware.com> | 2014-11-03 11:10:11 -0800 |
commit | fdc00a7042d912aafaabddae4d9c84199921ef23 (patch) | |
tree | 32ab8ac91cc68d2cd15b9168782a71b3f3f5e7b9 /core/src/fxcrt/fx_arabic.h | |
parent | e9b38fa38de2c95d8260be31c57d9272c4d127ed (diff) | |
download | pdfium-fdc00a7042d912aafaabddae4d9c84199921ef23.tar.xz |
Merge XFA to PDFium master at 4dc95e7 on 10/28/2014
Diffstat (limited to 'core/src/fxcrt/fx_arabic.h')
-rw-r--r-- | core/src/fxcrt/fx_arabic.h | 175 |
1 files changed, 174 insertions, 1 deletions
diff --git a/core/src/fxcrt/fx_arabic.h b/core/src/fxcrt/fx_arabic.h index c404449af0..e44bfb8142 100644 --- a/core/src/fxcrt/fx_arabic.h +++ b/core/src/fxcrt/fx_arabic.h @@ -6,7 +6,180 @@ #ifndef _FX_ARABIC_IMP #define _FX_ARABIC_IMP -class CFX_BidiChar FX_FINAL : public IFX_BidiChar, public CFX_Object +typedef struct _FX_ARABICCHARRANGE { + FX_WCHAR wStart; + FX_WCHAR wEnd; +} FX_ARABICCHARRANGE; +class CFX_ArabicChar : public IFX_ArabicChar, public CFX_Object +{ +public: + virtual void Release() + { + delete this; + } + virtual FX_BOOL IsArabicChar(FX_WCHAR wch) const; + virtual FX_BOOL IsArabicFormChar(FX_WCHAR wch) const; + + virtual FX_WCHAR GetFormChar(FX_WCHAR wch, FX_WCHAR prev = 0, FX_WCHAR next = 0) const; + virtual FX_WCHAR GetFormChar(const CFX_Char *cur, const CFX_Char *prev, const CFX_Char *next) const; +protected: + FX_LPCARBFORMTABLE ParseChar(const CFX_Char *pTC, FX_WCHAR &wChar, FX_CHARTYPE &eType) const; +}; +void FX_BidiReverseString(CFX_WideString &wsText, FX_INT32 iStart, FX_INT32 iCount); +void FX_BidiSetDeferredRun(CFX_Int32Array &values, FX_INT32 iStart, FX_INT32 iCount, FX_INT32 iValue); +#define FX_BCON FX_BIDICLASS_ON +#define FX_BCL FX_BIDICLASS_L +#define FX_BCR FX_BIDICLASS_R +#define FX_BCAN FX_BIDICLASS_AN +#define FX_BCEN FX_BIDICLASS_EN +#define FX_BCAL FX_BIDICLASS_AL +#define FX_BCNSM FX_BIDICLASS_NSM +#define FX_BCCS FX_BIDICLASS_CS +#define FX_BCES FX_BIDICLASS_ES +#define FX_BCET FX_BIDICLASS_ET +#define FX_BCBN FX_BIDICLASS_BN +#define FX_BCS FX_BIDICLASS_S +#define FX_BCWS FX_BIDICLASS_WS +#define FX_BCB FX_BIDICLASS_B +#define FX_BCRLO FX_BIDICLASS_RLO +#define FX_BCRLE FX_BIDICLASS_RLE +#define FX_BCLRO FX_BIDICLASS_LRO +#define FX_BCLRE FX_BIDICLASS_LRE +#define FX_BCPDF FX_BIDICLASS_PDF +#define FX_BCN FX_BIDICLASS_N +void FX_BidiClassify(const CFX_WideString &wsText, CFX_Int32Array &classes, FX_BOOL bWS = FALSE); +#define FX_BIDIMAXLEVEL 61 +#define FX_BidiGreaterEven(a) (FX_IsOdd(a) ? ((a) + 1) : ((a) + 2)) +#define FX_BidiGreaterOdd(a) (FX_IsOdd(a) ? ((a) + 2) : ((a) + 1)) +FX_INT32 FX_BidiResolveExplicit(FX_INT32 iBaseLevel, FX_INT32 iDirection, CFX_Int32Array &classes, CFX_Int32Array &levels, FX_INT32 iStart, FX_INT32 iCount, FX_INT32 iNest = 0); +#define FX_BidiDirection(a) (FX_IsOdd(a) ? FX_BIDICLASS_R : FX_BIDICLASS_L) +enum FX_BIDIWEAKSTATE { + FX_BIDIWEAKSTATE_xa = 0, + FX_BIDIWEAKSTATE_xr, + FX_BIDIWEAKSTATE_xl, + FX_BIDIWEAKSTATE_ao, + FX_BIDIWEAKSTATE_ro, + FX_BIDIWEAKSTATE_lo, + FX_BIDIWEAKSTATE_rt, + FX_BIDIWEAKSTATE_lt, + FX_BIDIWEAKSTATE_cn, + FX_BIDIWEAKSTATE_ra, + FX_BIDIWEAKSTATE_re, + FX_BIDIWEAKSTATE_la, + FX_BIDIWEAKSTATE_le, + FX_BIDIWEAKSTATE_ac, + FX_BIDIWEAKSTATE_rc, + FX_BIDIWEAKSTATE_rs, + FX_BIDIWEAKSTATE_lc, + FX_BIDIWEAKSTATE_ls, + FX_BIDIWEAKSTATE_ret, + FX_BIDIWEAKSTATE_let, +}; +#define FX_BWSxa FX_BIDIWEAKSTATE_xa +#define FX_BWSxr FX_BIDIWEAKSTATE_xr +#define FX_BWSxl FX_BIDIWEAKSTATE_xl +#define FX_BWSao FX_BIDIWEAKSTATE_ao +#define FX_BWSro FX_BIDIWEAKSTATE_ro +#define FX_BWSlo FX_BIDIWEAKSTATE_lo +#define FX_BWSrt FX_BIDIWEAKSTATE_rt +#define FX_BWSlt FX_BIDIWEAKSTATE_lt +#define FX_BWScn FX_BIDIWEAKSTATE_cn +#define FX_BWSra FX_BIDIWEAKSTATE_ra +#define FX_BWSre FX_BIDIWEAKSTATE_re +#define FX_BWSla FX_BIDIWEAKSTATE_la +#define FX_BWSle FX_BIDIWEAKSTATE_le +#define FX_BWSac FX_BIDIWEAKSTATE_ac +#define FX_BWSrc FX_BIDIWEAKSTATE_rc +#define FX_BWSrs FX_BIDIWEAKSTATE_rs +#define FX_BWSlc FX_BIDIWEAKSTATE_lc +#define FX_BWSls FX_BIDIWEAKSTATE_ls +#define FX_BWSret FX_BIDIWEAKSTATE_ret +#define FX_BWSlet FX_BIDIWEAKSTATE_let +enum FX_BIDIWEAKACTION { + FX_BIDIWEAKACTION_IX = 0x100, + FX_BIDIWEAKACTION_XX = 0x0F, + FX_BIDIWEAKACTION_xxx = (0x0F << 4) + 0x0F, + FX_BIDIWEAKACTION_xIx = 0x100 + FX_BIDIWEAKACTION_xxx, + FX_BIDIWEAKACTION_xxN = (0x0F << 4) + FX_BIDICLASS_ON, + FX_BIDIWEAKACTION_xxE = (0x0F << 4) + FX_BIDICLASS_EN, + FX_BIDIWEAKACTION_xxA = (0x0F << 4) + FX_BIDICLASS_AN, + FX_BIDIWEAKACTION_xxR = (0x0F << 4) + FX_BIDICLASS_R, + FX_BIDIWEAKACTION_xxL = (0x0F << 4) + FX_BIDICLASS_L, + FX_BIDIWEAKACTION_Nxx = (FX_BIDICLASS_ON << 4) + 0x0F, + FX_BIDIWEAKACTION_Axx = (FX_BIDICLASS_AN << 4) + 0x0F, + FX_BIDIWEAKACTION_ExE = (FX_BIDICLASS_EN << 4) + FX_BIDICLASS_EN, + FX_BIDIWEAKACTION_NIx = (FX_BIDICLASS_ON << 4) + 0x0F + 0x100, + FX_BIDIWEAKACTION_NxN = (FX_BIDICLASS_ON << 4) + FX_BIDICLASS_ON, + FX_BIDIWEAKACTION_NxR = (FX_BIDICLASS_ON << 4) + FX_BIDICLASS_R, + FX_BIDIWEAKACTION_NxE = (FX_BIDICLASS_ON << 4) + FX_BIDICLASS_EN, + FX_BIDIWEAKACTION_AxA = (FX_BIDICLASS_AN << 4) + FX_BIDICLASS_AN, + FX_BIDIWEAKACTION_NxL = (FX_BIDICLASS_ON << 4) + FX_BIDICLASS_L, + FX_BIDIWEAKACTION_LxL = (FX_BIDICLASS_L << 4) + FX_BIDICLASS_L, + FX_BIDIWEAKACTION_xIL = (0x0F << 4) + FX_BIDICLASS_L + 0x100, + FX_BIDIWEAKACTION_AxR = (FX_BIDICLASS_AN << 4) + FX_BIDICLASS_R, + FX_BIDIWEAKACTION_Lxx = (FX_BIDICLASS_L << 4) + 0x0F, +}; +#define FX_BWAIX FX_BIDIWEAKACTION_IX +#define FX_BWAXX FX_BIDIWEAKACTION_XX +#define FX_BWAxxx FX_BIDIWEAKACTION_xxx +#define FX_BWAxIx FX_BIDIWEAKACTION_xIx +#define FX_BWAxxN FX_BIDIWEAKACTION_xxN +#define FX_BWAxxE FX_BIDIWEAKACTION_xxE +#define FX_BWAxxA FX_BIDIWEAKACTION_xxA +#define FX_BWAxxR FX_BIDIWEAKACTION_xxR +#define FX_BWAxxL FX_BIDIWEAKACTION_xxL +#define FX_BWANxx FX_BIDIWEAKACTION_Nxx +#define FX_BWAAxx FX_BIDIWEAKACTION_Axx +#define FX_BWAExE FX_BIDIWEAKACTION_ExE +#define FX_BWANIx FX_BIDIWEAKACTION_NIx +#define FX_BWANxN FX_BIDIWEAKACTION_NxN +#define FX_BWANxR FX_BIDIWEAKACTION_NxR +#define FX_BWANxE FX_BIDIWEAKACTION_NxE +#define FX_BWAAxA FX_BIDIWEAKACTION_AxA +#define FX_BWANxL FX_BIDIWEAKACTION_NxL +#define FX_BWALxL FX_BIDIWEAKACTION_LxL +#define FX_BWAxIL FX_BIDIWEAKACTION_xIL +#define FX_BWAAxR FX_BIDIWEAKACTION_AxR +#define FX_BWALxx FX_BIDIWEAKACTION_Lxx +#define FX_BidiGetDeferredType(a) (((a) >> 4) & 0x0F) +#define FX_BidiGetResolvedType(a) ((a) & 0x0F) +void FX_BidiResolveWeak(FX_INT32 iBaseLevel, CFX_Int32Array &classes, CFX_Int32Array &levels); +enum FX_BIDINEUTRALSTATE { + FX_BIDINEUTRALSTATE_r = 0, + FX_BIDINEUTRALSTATE_l, + FX_BIDINEUTRALSTATE_rn, + FX_BIDINEUTRALSTATE_ln, + FX_BIDINEUTRALSTATE_a, + FX_BIDINEUTRALSTATE_na, +}; +#define FX_BNSr FX_BIDINEUTRALSTATE_r +#define FX_BNSl FX_BIDINEUTRALSTATE_l +#define FX_BNSrn FX_BIDINEUTRALSTATE_rn +#define FX_BNSln FX_BIDINEUTRALSTATE_ln +#define FX_BNSa FX_BIDINEUTRALSTATE_a +#define FX_BNSna FX_BIDINEUTRALSTATE_na +enum FX_BIDINEUTRALACTION { + FX_BIDINEUTRALACTION_nL = FX_BIDICLASS_L, + FX_BIDINEUTRALACTION_En = (FX_BIDICLASS_AN << 4), + FX_BIDINEUTRALACTION_Rn = (FX_BIDICLASS_R << 4), + FX_BIDINEUTRALACTION_Ln = (FX_BIDICLASS_L << 4), + FX_BIDINEUTRALACTION_In = FX_BIDIWEAKACTION_IX, + FX_BIDINEUTRALACTION_LnL = (FX_BIDICLASS_L << 4) + FX_BIDICLASS_L, +}; +#define FX_BNAnL FX_BIDINEUTRALACTION_nL +#define FX_BNAEn FX_BIDINEUTRALACTION_En +#define FX_BNARn FX_BIDINEUTRALACTION_Rn +#define FX_BNALn FX_BIDINEUTRALACTION_Ln +#define FX_BNAIn FX_BIDINEUTRALACTION_In +#define FX_BNALnL FX_BIDINEUTRALACTION_LnL +FX_INT32 FX_BidiGetDeferredNeutrals(FX_INT32 iAction, FX_INT32 iLevel); +FX_INT32 FX_BidiGetResolvedNeutrals(FX_INT32 iAction); +void FX_BidiResolveNeutrals(FX_INT32 iBaseLevel, CFX_Int32Array &classes, const CFX_Int32Array &levels); +void FX_BidiResolveImplicit(const CFX_Int32Array &classes, CFX_Int32Array &levels); +void FX_BidiResolveWhitespace(FX_INT32 iBaseLevel, const CFX_Int32Array &classes, CFX_Int32Array &levels); +FX_INT32 FX_BidiReorderLevel(FX_INT32 iBaseLevel, CFX_WideString &wsText, const CFX_Int32Array &levels, FX_INT32 iStart, FX_BOOL bReverse = FALSE); +void FX_BidiReorder(FX_INT32 iBaseLevel, CFX_WideString &wsText, const CFX_Int32Array &levels); +class CFX_BidiChar : public IFX_BidiChar, public CFX_Object { public: CFX_BidiChar(); |