1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// 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
#ifndef CORE_INCLUDE_FXCRT_FX_ARB_H_
#define CORE_INCLUDE_FXCRT_FX_ARB_H_
#include "fx_system.h"
#include "fx_ucd.h"
class IFX_ArabicChar;
class IFX_BidiChar;
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _FX_ARBFORMTABLE {
FX_WCHAR wIsolated;
FX_WCHAR wFinal;
FX_WCHAR wInitial;
FX_WCHAR wMedial;
} FX_ARBFORMTABLE, *FX_LPARBFORMTABLE;
typedef FX_ARBFORMTABLE const* FX_LPCARBFORMTABLE;
typedef struct _FX_ARAALEF {
FX_WCHAR wAlef;
FX_WCHAR wIsolated;
} FX_ARAALEF, *FX_LPARAALEF;
typedef FX_ARAALEF const* FX_LPCARAALEF;
typedef struct _FX_ARASHADDA {
FX_WCHAR wShadda;
FX_WCHAR wIsolated;
} FX_ARASHADDA, *FX_LPARASHADDA;
typedef FX_ARASHADDA const* FX_LPCARASHADDA;
FX_LPCARBFORMTABLE FX_GetArabicFormTable(FX_WCHAR unicode);
FX_WCHAR FX_GetArabicFromAlefTable(FX_WCHAR alef);
FX_WCHAR FX_GetArabicFromShaddaTable(FX_WCHAR shadda);
#ifdef __cplusplus
};
#endif
enum FX_ARBPOSITION {
FX_ARBPOSITION_Isolated = 0,
FX_ARBPOSITION_Final,
FX_ARBPOSITION_Initial,
FX_ARBPOSITION_Medial,
};
class IFX_ArabicChar {
public:
static IFX_ArabicChar* Create();
virtual ~IFX_ArabicChar() {}
virtual void Release() = 0;
virtual FX_BOOL IsArabicChar(FX_WCHAR wch) const = 0;
virtual FX_BOOL IsArabicFormChar(FX_WCHAR wch) const = 0;
virtual FX_WCHAR GetFormChar(FX_WCHAR wch,
FX_WCHAR prev = 0,
FX_WCHAR next = 0) const = 0;
virtual FX_WCHAR GetFormChar(const CFX_Char* cur,
const CFX_Char* prev,
const CFX_Char* next) const = 0;
};
void FX_BidiLine(CFX_WideString& wsText, int32_t iBaseLevel = 0);
void FX_BidiLine(CFX_TxtCharArray& chars,
int32_t iCount,
int32_t iBaseLevel = 0);
void FX_BidiLine(CFX_RTFCharArray& chars,
int32_t iCount,
int32_t iBaseLevel = 0);
class IFX_BidiChar {
public:
static IFX_BidiChar* Create();
virtual ~IFX_BidiChar() {}
virtual void SetPolicy(FX_BOOL bSeparateNeutral = TRUE) = 0;
virtual FX_BOOL AppendChar(FX_WCHAR wch) = 0;
virtual FX_BOOL EndChar() = 0;
virtual int32_t GetBidiInfo(int32_t& iStart, int32_t& iCount) = 0;
virtual void Reset() = 0;
};
#endif // CORE_INCLUDE_FXCRT_FX_ARB_H_
|
