| // 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_FXCRT_FX_UNICODE_H_ |
| #define CORE_FXCRT_FX_UNICODE_H_ |
| |
| #include "core/fxcrt/fx_system.h" |
| |
| // NOTE: Order matters, less-than/greater-than comparisons are used. |
| enum class FX_BIDICLASS : uint8_t { |
| kON = 0, // Other Neutral |
| kL = 1, // Left Letter |
| kR = 2, // Right Letter |
| kAN = 3, // Arabic Number |
| kEN = 4, // European Number |
| kAL = 5, // Arabic Letter |
| kNSM = 6, // Non-spacing Mark |
| kCS = 7, // Common Number Separator |
| kES = 8, // European Separator |
| kET = 9, // European Number Terminator |
| kBN = 10, // Boundary Neutral |
| kS = 11, // Segment Separator |
| kWS = 12, // Whitespace |
| kB = 13, // Paragraph Separator |
| kRLO = 14, // Right-to-Left Override |
| kRLE = 15, // Right-to-Left Embedding |
| kLRO = 16, // Left-to-Right Override |
| kLRE = 17, // Left-to-Right Embedding |
| kPDF = 18, // Pop Directional Format |
| kN = kON, |
| }; |
| |
| wchar_t FX_GetMirrorChar(wchar_t wch); |
| FX_BIDICLASS FX_GetBidiClass(wchar_t wch); |
| |
| #ifdef PDF_ENABLE_XFA |
| // As defined in http://www.unicode.org/reports/tr14 |
| enum class FX_BREAKPROPERTY : uint8_t { |
| kOP = 0, |
| kCL = 1, |
| kQU = 2, |
| kGL = 3, |
| kNS = 4, |
| kEX = 5, |
| kSY = 6, |
| kIS = 7, |
| kPR = 8, |
| kPO = 9, |
| kNU = 10, |
| kAL = 11, |
| kID = 12, |
| kIN = 13, |
| kHY = 14, |
| kBA = 15, |
| kBB = 16, |
| kB2 = 17, |
| kZW = 18, |
| kCM = 19, |
| kWJ = 20, |
| kH2 = 21, |
| kH3 = 22, |
| kJL = 23, |
| kJV = 24, |
| kJT = 25, |
| kBK = 26, |
| kCR = 27, |
| kLF = 28, |
| kNL = 29, |
| kSA = 30, |
| kSG = 31, |
| kCB = 32, |
| kXX = 33, |
| kAI = 34, |
| kSP = 35, |
| kNONE = 36, |
| kTB = 37, |
| }; |
| |
| enum class FX_CHARTYPE : uint8_t { |
| kUnknown = 0, |
| kTab, |
| kSpace, |
| kControl, |
| kCombination, |
| kNumeric, |
| kNormal, |
| kArabicAlef, |
| kArabicSpecial, |
| kArabicDistortion, |
| kArabicNormal, |
| kArabicForm, |
| kArabic, |
| }; |
| |
| FX_CHARTYPE FX_GetCharType(wchar_t wch); |
| |
| // Analagous to ULineBreak in icu's uchar.h, but permuted order, and a |
| // subset lacking some more recent additions. |
| FX_BREAKPROPERTY FX_GetBreakProperty(wchar_t wch); |
| #endif // PDF_ENABLE_XFA |
| |
| #endif // CORE_FXCRT_FX_UNICODE_H_ |