Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zxing-cpp/core/src/ECI.cpp @ 9:b2d41d02518f

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Use the LLVM compilers by symlinking them in the venv. This is because CC= and CXX= do not work for some subprojects.
author Franz Glasner <fzglas.hg@dom66.de>
date Wed, 17 Sep 2025 06:11:34 +0200
parents b50eed0cc0ef
children
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1 /*
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2 * Copyright 2022 Axel Waggershauser
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3 */
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4 // SPDX-License-Identifier: Apache-2.0
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6 #include "ECI.h"
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8 #include "ZXAlgorithms.h"
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10 #include <map>
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12 namespace ZXing {
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14 static const std::map<ECI, CharacterSet> ECI_TO_CHARSET = {
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15 {ECI(0), CharacterSet::Cp437}, // Obsolete
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16 {ECI(1), CharacterSet::ISO8859_1}, // Obsolete
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17 {ECI::Cp437, CharacterSet::Cp437}, // Obsolete but still used by PDF417 Macro fields (ISO/IEC 15438:2015 Annex H.2.3)
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18 {ECI::ISO8859_1, CharacterSet::ISO8859_1},
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19 {ECI::ISO8859_2, CharacterSet::ISO8859_2},
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20 {ECI::ISO8859_3, CharacterSet::ISO8859_3},
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21 {ECI::ISO8859_4, CharacterSet::ISO8859_4},
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22 {ECI::ISO8859_5, CharacterSet::ISO8859_5},
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23 {ECI::ISO8859_6, CharacterSet::ISO8859_6},
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24 {ECI::ISO8859_7, CharacterSet::ISO8859_7},
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25 {ECI::ISO8859_8, CharacterSet::ISO8859_8},
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26 {ECI::ISO8859_9, CharacterSet::ISO8859_9},
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27 {ECI::ISO8859_10, CharacterSet::ISO8859_10},
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28 {ECI::ISO8859_11, CharacterSet::ISO8859_11},
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29 {ECI::ISO8859_13, CharacterSet::ISO8859_13},
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30 {ECI::ISO8859_14, CharacterSet::ISO8859_14},
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31 {ECI::ISO8859_15, CharacterSet::ISO8859_15},
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32 {ECI::ISO8859_16, CharacterSet::ISO8859_16},
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33 {ECI::Shift_JIS, CharacterSet::Shift_JIS},
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34 {ECI::Cp1250, CharacterSet::Cp1250},
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35 {ECI::Cp1251, CharacterSet::Cp1251},
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36 {ECI::Cp1252, CharacterSet::Cp1252},
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37 {ECI::Cp1256, CharacterSet::Cp1256},
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38 {ECI::UTF8, CharacterSet::UTF8},
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39 {ECI::UTF16BE, CharacterSet::UTF16BE},
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40 {ECI::UTF16LE, CharacterSet::UTF16LE},
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41 {ECI::UTF32BE, CharacterSet::UTF32BE},
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42 {ECI::UTF32LE, CharacterSet::UTF32LE},
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43 {ECI::ASCII, CharacterSet::ASCII},
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44 {ECI::Big5, CharacterSet::Big5},
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45 {ECI::GB18030, CharacterSet::GB18030},
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46 {ECI::GB2312, CharacterSet::GB2312},
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47 {ECI::EUC_KR, CharacterSet::EUC_KR},
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48 {ECI::ISO646_Inv, CharacterSet::ASCII},
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49 {ECI::Binary, CharacterSet::BINARY},
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50 };
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51
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52 std::string ToString(ECI eci)
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53 {
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54 return '\\' + ToString(ToInt(eci), 6);
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55 }
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56
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57 CharacterSet ToCharacterSet(ECI eci)
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58 {
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59 if (auto it = ECI_TO_CHARSET.find(eci); it != ECI_TO_CHARSET.end())
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60 return it->second;
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61
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62 return CharacterSet::Unknown;
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63 }
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64
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65 ECI ToECI(CharacterSet cs)
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66 {
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67 // Special case ISO8859_1 to avoid obsolete ECI 1
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68 if (cs == CharacterSet::ISO8859_1)
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69 return ECI::ISO8859_1;
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70 // Special case Cp437 to avoid obsolete ECI 0 for slightly less obsolete ECI 2
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71 if (cs == CharacterSet::Cp437)
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72 return ECI::Cp437;
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73
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74 for (auto& [key, value] : ECI_TO_CHARSET)
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75 if (value == cs)
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76 return key;
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77
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78 return ECI::Unknown;
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79 }
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80
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81 } // namespace ZXing