1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #ifndef CORE_FXCRT_FX_UNICODE_H_
8 #define CORE_FXCRT_FX_UNICODE_H_
9
10 #include "core/fxcrt/retain_ptr.h"
11
12 uint32_t FX_GetUnicodeProperties(wchar_t wch);
13 wchar_t FX_GetMirrorChar(wchar_t wch);
14
15 #ifdef PDF_ENABLE_XFA
16
17 // As defined in http://www.unicode.org/reports/tr14
18 constexpr uint8_t kBreakPropertySpace = 35;
19 constexpr uint8_t kBreakPropertyTB = 37; // Don't know what this is ...
20
21 constexpr uint32_t FX_CHARTYPEBITS = 11;
22 constexpr uint32_t FX_CHARTYPEBITSMASK = 0xF << FX_CHARTYPEBITS;
23
24 enum FX_CHARTYPE {
25 FX_CHARTYPE_Unknown = 0,
26 FX_CHARTYPE_Tab = (1 << FX_CHARTYPEBITS),
27 FX_CHARTYPE_Space = (2 << FX_CHARTYPEBITS),
28 FX_CHARTYPE_Control = (3 << FX_CHARTYPEBITS),
29 FX_CHARTYPE_Combination = (4 << FX_CHARTYPEBITS),
30 FX_CHARTYPE_Numeric = (5 << FX_CHARTYPEBITS),
31 FX_CHARTYPE_Normal = (6 << FX_CHARTYPEBITS),
32 FX_CHARTYPE_ArabicAlef = (7 << FX_CHARTYPEBITS),
33 FX_CHARTYPE_ArabicSpecial = (8 << FX_CHARTYPEBITS),
34 FX_CHARTYPE_ArabicDistortion = (9 << FX_CHARTYPEBITS),
35 FX_CHARTYPE_ArabicNormal = (10 << FX_CHARTYPEBITS),
36 FX_CHARTYPE_ArabicForm = (11 << FX_CHARTYPEBITS),
37 FX_CHARTYPE_Arabic = (12 << FX_CHARTYPEBITS),
38 };
39
GetCharTypeFromProp(uint32_t prop)40 inline FX_CHARTYPE GetCharTypeFromProp(uint32_t prop) {
41 return static_cast<FX_CHARTYPE>(prop & FX_CHARTYPEBITSMASK);
42 }
43
44 wchar_t FX_GetMirrorChar(wchar_t wch, uint32_t dwProps);
45
46 #endif // PDF_ENABLE_XFA
47
48 #endif // CORE_FXCRT_FX_UNICODE_H_
49