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// 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_