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authorBo Xu <bo_xu@foxitsoftware.com>2014-10-28 23:03:33 -0700
committerBo Xu <bo_xu@foxitsoftware.com>2014-11-03 11:10:11 -0800
commitfdc00a7042d912aafaabddae4d9c84199921ef23 (patch)
tree32ab8ac91cc68d2cd15b9168782a71b3f3f5e7b9 /core/src/fxcrt/fx_arabic.h
parente9b38fa38de2c95d8260be31c57d9272c4d127ed (diff)
downloadpdfium-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.h175
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();