Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zxing-cpp/core/src/Content.cpp @ 11:f704f0a78213

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A make target to populate the Python virtual environment
author Franz Glasner <fzglas.hg@dom66.de>
date Wed, 17 Sep 2025 12:49:20 +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 "Content.h"
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7
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8 #include "CharacterSet.h"
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9 #include "ECI.h"
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10 #include "HRI.h"
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11 #include "TextDecoder.h"
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12 #include "Utf.h"
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13 #include "ZXAlgorithms.h"
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15 #if !defined(ZXING_READERS) && !defined(ZXING_WRITERS)
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16 #include "Version.h"
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17 #endif
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19 #include <cctype>
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21 namespace ZXing {
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23 std::string ToString(ContentType type)
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24 {
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25 const char* t2s[] = {"Text", "Binary", "Mixed", "GS1", "ISO15434", "UnknownECI"};
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26 return t2s[static_cast<int>(type)];
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27 }
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29 template <typename FUNC>
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30 void Content::ForEachECIBlock(FUNC func) const
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31 {
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32 ECI defaultECI = hasECI ? ECI::ISO8859_1 : ECI::Unknown;
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33 if (encodings.empty())
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34 func(defaultECI, 0, Size(bytes));
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35 else if (encodings.front().pos != 0)
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36 func(defaultECI, 0, encodings.front().pos);
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38 for (int i = 0; i < Size(encodings); ++i) {
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39 auto [eci, start] = encodings[i];
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40 int end = i + 1 == Size(encodings) ? Size(bytes) : encodings[i + 1].pos;
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42 if (start != end)
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43 func(eci, start, end);
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44 }
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45 }
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47 void Content::switchEncoding(ECI eci, bool isECI)
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48 {
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49 // remove all non-ECI entries on first ECI entry
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50 if (isECI && !hasECI)
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51 encodings.clear();
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52 if (isECI || !hasECI)
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53 encodings.push_back({eci, Size(bytes)});
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55 hasECI |= isECI;
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56 }
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58 Content::Content() {}
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60 Content::Content(ByteArray&& bytes, SymbologyIdentifier si) : bytes(std::move(bytes)), symbology(si) {}
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62 void Content::switchEncoding(CharacterSet cs)
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63 {
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64 switchEncoding(ToECI(cs), false);
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65 }
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67 void Content::append(const Content& other)
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68 {
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69 if (!hasECI && other.hasECI)
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70 encodings.clear();
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71 if (other.hasECI || !hasECI)
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72 for (auto& e : other.encodings)
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73 encodings.push_back({e.eci, Size(bytes) + e.pos});
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74 append(other.bytes);
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75
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76 hasECI |= other.hasECI;
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77 }
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79 void Content::erase(int pos, int n)
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80 {
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81 bytes.erase(bytes.begin() + pos, bytes.begin() + pos + n);
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82 for (auto& e : encodings)
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83 if (e.pos > pos)
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84 pos -= n;
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85 }
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87 void Content::insert(int pos, const std::string& str)
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88 {
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89 bytes.insert(bytes.begin() + pos, str.begin(), str.end());
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90 for (auto& e : encodings)
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91 if (e.pos > pos)
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92 pos += Size(str);
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93 }
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95 bool Content::canProcess() const
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96 {
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97 return std::all_of(encodings.begin(), encodings.end(), [](Encoding e) { return CanProcess(e.eci); });
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98 }
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100 std::string Content::render(bool withECI) const
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parents:
diff changeset
101 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
102 if (empty() || !canProcess())
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
103 return {};
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
104
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
105 #ifdef ZXING_READERS
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
106 std::string res;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
107 if (withECI)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
108 res = symbology.toString(true);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
109 ECI lastECI = ECI::Unknown;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
110 auto fallbackCS = defaultCharset;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
111 if (!hasECI && fallbackCS == CharacterSet::Unknown)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
112 fallbackCS = guessEncoding();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
113
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
114 ForEachECIBlock([&](ECI eci, int begin, int end) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
115 // first determine how to decode the content (choose character set)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
116 // * eci == ECI::Unknown implies !hasECI and we guess
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
117 // * if !IsText(eci) the ToCharcterSet(eci) will return Unknown and we decode as binary
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
118 CharacterSet cs = eci == ECI::Unknown ? fallbackCS : ToCharacterSet(eci);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
119
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
120 if (withECI) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
121 // then find the eci to report back in the ECI designator
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
122 if (IsText(ToECI(cs))) // everything decoded as text is reported as utf8
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
123 eci = ECI::UTF8;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
124 else if (eci == ECI::Unknown) // implies !hasECI and fallbackCS is Unknown or Binary
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
125 eci = ECI::Binary;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
126
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
127 if (lastECI != eci)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
128 res += ToString(eci);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
129 lastECI = eci;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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130
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
131 std::string tmp;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
132 TextDecoder::Append(tmp, bytes.data() + begin, end - begin, cs);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
133 for (auto c : tmp) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
134 res += c;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
135 if (c == '\\') // in the ECI protocol a '\' has to be doubled
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
136 res += c;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
137 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
138 } else {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
139 TextDecoder::Append(res, bytes.data() + begin, end - begin, cs);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
140 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
141 });
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
142
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 return res;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
144 #else
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
145 //TODO: replace by proper construction from encoded data from within zint
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146 return std::string(bytes.asString());
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
147 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
148 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
149
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
150 std::string Content::text(TextMode mode) const
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
151 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
152 switch (mode) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
153 case TextMode::Plain: return render(false);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
154 case TextMode::ECI: return render(true);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
155 case TextMode::HRI:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
156 switch (type()) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
157 #ifdef ZXING_READERS
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
158 case ContentType::GS1: {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
159 auto plain = render(false);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
160 auto hri = HRIFromGS1(plain);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
161 return hri.empty() ? plain : hri;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
162 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 case ContentType::ISO15434: return HRIFromISO15434(render(false));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164 case ContentType::Text: return render(false);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
165 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
166 default: return text(TextMode::Escaped);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
167 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
168 case TextMode::Hex: return ToHex(bytes);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
169 case TextMode::Escaped: return EscapeNonGraphical(render(false));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
170 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
171
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
172 return {}; // silence compiler warning
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
173 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
174
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
175 std::wstring Content::utfW() const
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
176 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
177 return FromUtf8(render(false));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
178 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
179
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
180 ByteArray Content::bytesECI() const
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
181 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
182 if (empty())
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
183 return {};
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
184
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
185 std::string res = symbology.toString(true);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
186
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
187 ForEachECIBlock([&](ECI eci, int begin, int end) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
188 if (hasECI)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
189 res += ToString(eci);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
190
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
191 for (int i = begin; i != end; ++i) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
192 char c = static_cast<char>(bytes[i]);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
193 res += c;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
194 if (c == '\\') // in the ECI protocol a '\' has to be doubled
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
195 res += c;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
196 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
197 });
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
198
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
199 return ByteArray(res);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
200 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
201
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
202 CharacterSet Content::guessEncoding() const
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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203 {
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204 #ifdef ZXING_READERS
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205 // assemble all blocks with unknown encoding
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206 ByteArray input;
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207 ForEachECIBlock([&](ECI eci, int begin, int end) {
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208 if (eci == ECI::Unknown)
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209 input.insert(input.end(), bytes.begin() + begin, bytes.begin() + end);
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210 });
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211
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212 if (input.empty())
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213 return CharacterSet::Unknown;
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214
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215 return TextDecoder::GuessEncoding(input.data(), input.size(), CharacterSet::ISO8859_1);
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216 #else
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217 return CharacterSet::Unknown;
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218 #endif
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219 }
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220
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221 ContentType Content::type() const
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222 {
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223 #ifdef ZXING_READERS
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224 if (empty())
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225 return ContentType::Text;
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226
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227 if (!canProcess())
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228 return ContentType::UnknownECI;
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229
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230 if (symbology.aiFlag == AIFlag::GS1)
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231 return ContentType::GS1;
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232
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233 // check for the absolut minimum of a ISO 15434 conforming message ("[)>" + RS + digit + digit)
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234 if (bytes.size() > 6 && bytes.asString(0, 4) == "[)>\x1E" && std::isdigit(bytes[4]) && std::isdigit(bytes[5]))
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235 return ContentType::ISO15434;
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236
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237 ECI fallback = ToECI(guessEncoding());
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238 std::vector<bool> binaryECIs;
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239 ForEachECIBlock([&](ECI eci, int begin, int end) {
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240 if (eci == ECI::Unknown)
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241 eci = fallback;
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242 binaryECIs.push_back((!IsText(eci)
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243 || (ToInt(eci) > 0 && ToInt(eci) < 28 && ToInt(eci) != 25
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244 && std::any_of(bytes.begin() + begin, bytes.begin() + end,
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245 [](auto c) { return c < 0x20 && c != 0x9 && c != 0xa && c != 0xd; }))));
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246 });
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247
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248 if (!Contains(binaryECIs, true))
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249 return ContentType::Text;
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250 if (!Contains(binaryECIs, false))
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251 return ContentType::Binary;
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252
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253 return ContentType::Mixed;
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254 #else
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255 //TODO: replace by proper construction from encoded data from within zint
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256 return ContentType::Text;
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257 #endif
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258 }
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259
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260 } // namespace ZXing