// 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 _FX_UNICODE_ | |

#define _FX_UNICODE_ | |

enum FX_CHARBREAKPROP { | |

FX_CBP_OP = 0, | |

FX_CBP_CL = 1, | |

FX_CBP_QU = 2, | |

FX_CBP_GL = 3, | |

FX_CBP_NS = 4, | |

FX_CBP_EX = 5, | |

FX_CBP_SY = 6, | |

FX_CBP_IS = 7, | |

FX_CBP_PR = 8, | |

FX_CBP_PO = 9, | |

FX_CBP_NU = 10, | |

FX_CBP_AL = 11, | |

FX_CBP_ID = 12, | |

FX_CBP_IN = 13, | |

FX_CBP_HY = 14, | |

FX_CBP_BA = 15, | |

FX_CBP_BB = 16, | |

FX_CBP_B2 = 17, | |

FX_CBP_ZW = 18, | |

FX_CBP_CM = 19, | |

FX_CBP_WJ = 20, | |

FX_CBP_H2 = 21, | |

FX_CBP_H3 = 22, | |

FX_CBP_JL = 23, | |

FX_CBP_JV = 24, | |

FX_CBP_JT = 25, | |

FX_CBP_BK = 26, | |

FX_CBP_CR = 27, | |

FX_CBP_LF = 28, | |

FX_CBP_NL = 29, | |

FX_CBP_SA = 30, | |

FX_CBP_SG = 31, | |

FX_CBP_CB = 32, | |

FX_CBP_XX = 33, | |

FX_CBP_AI = 34, | |

FX_CBP_SP = 35, | |

FX_CBP_TB = 37, | |

FX_CBP_NONE = 36, | |

}; | |

#define FX_BIDICLASSBITS 6 | |

#define FX_BIDICLASSBITSMASK (31 << FX_BIDICLASSBITS) | |

enum FX_BIDICLASS { | |

FX_BIDICLASS_ON = 0, | |

FX_BIDICLASS_L = 1, | |

FX_BIDICLASS_R = 2, | |

FX_BIDICLASS_AN = 3, | |

FX_BIDICLASS_EN = 4, | |

FX_BIDICLASS_AL = 5, | |

FX_BIDICLASS_NSM = 6, | |

FX_BIDICLASS_CS = 7, | |

FX_BIDICLASS_ES = 8, | |

FX_BIDICLASS_ET = 9, | |

FX_BIDICLASS_BN = 10, | |

FX_BIDICLASS_S = 11, | |

FX_BIDICLASS_WS = 12, | |

FX_BIDICLASS_B = 13, | |

FX_BIDICLASS_RLO = 14, | |

FX_BIDICLASS_RLE = 15, | |

FX_BIDICLASS_LRO = 16, | |

FX_BIDICLASS_LRE = 17, | |

FX_BIDICLASS_PDF = 18, | |

FX_BIDICLASS_N = FX_BIDICLASS_ON, | |

}; | |

#define FX_CHARTYPEBITS 11 | |

#define FX_CHARTYPEBITSMASK (15 << FX_CHARTYPEBITS) | |

enum FX_CHARTYPE { | |

FX_CHARTYPE_Unknown = 0, | |

FX_CHARTYPE_Tab = (1 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_Space = (2 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_Control = (3 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_Combination = (4 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_Numeric = (5 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_Normal = (6 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_ArabicAlef = (7 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_ArabicSpecial = (8 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_ArabicDistortion = (9 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_ArabicNormal = (10 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_ArabicForm = (11 << FX_CHARTYPEBITS), | |

FX_CHARTYPE_Arabic = (12 << FX_CHARTYPEBITS), | |

}; | |

typedef struct _FX_CHARPROPERTIES { | |

union { | |

struct { | |

FX_DWORD dwBreakType : 6; | |

FX_DWORD dwBidiClass : 5; | |

FX_DWORD dwCharType : 4; | |

FX_DWORD dwRotation : 1; | |

FX_DWORD dwCJKSpecial : 1; | |

FX_DWORD dwVertIndex : 6; | |

FX_DWORD dwBidiIndex : 9; | |

}; | |

FX_DWORD dwCharProps; | |

}; | |

} FX_CHARPROPERTIES; | |

FX_DWORD FX_GetUnicodeProperties(FX_WCHAR wch); | |

FX_BOOL FX_IsCtrlCode(FX_WCHAR ch); | |

FX_BOOL FX_IsRotationCode(FX_WCHAR ch); | |

FX_BOOL FX_IsCombinationChar(FX_WCHAR wch); | |

FX_BOOL FX_IsBidiChar(FX_WCHAR wch); | |

FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical); | |

FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_DWORD dwProps, FX_BOOL bRTL, FX_BOOL bVertical); | |

#endif |