src/documentmanager.cpp

Fri, 13 Dec 2019 21:35:59 +0200

author
Teemu Piippo <teemu@hecknology.net>
date
Fri, 13 Dec 2019 21:35:59 +0200
changeset 18
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parent 17
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child 23
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permissions
-rw-r--r--

things

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1 #include <QFile>
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2 #include <QDir>
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3 #include <QFileInfo>
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4 #include "documentmanager.h"
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5 #include "modeleditcontext.h"
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6 #include "linetypes/comment.h"
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7 #include "parser.h"
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8
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9 /**
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10 * @brief Constructs a new document manager
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11 * @param parent Parent object
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12 */
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13 DocumentManager::DocumentManager(QObject* parent) :
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14 QObject{parent}
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15 {
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16 }
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17
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18 /**
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19 * @brief Creates a new model.
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20 * @returns the name to the new model
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21 */
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22 QString DocumentManager::newModel()
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23 {
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24 const QString name = makeNewModelName();
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25 this->openModels.emplace(name, new Model);
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26 return name;
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27 }
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28
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29 /**
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30 * @brief Looks for a model by name
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31 * @param name Name of the model
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32 * @returns model or null
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33 * '
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34 */
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35 Model* DocumentManager::findModelByName(const QString& name)
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36 {
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37 const auto iterator = this->openModels.find(name);
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38 if (iterator == std::end(this->openModels))
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39 {
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40 return nullptr;
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41 }
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42 else
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43 {
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44 return iterator->second.get();
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45 }
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46 }
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47
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48 QString pathToName(const QFileInfo& path)
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49 {
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50 static const char* paths[] = {
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51 "s",
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52 "48"
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53 "8"
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54 };
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55 const QString baseName = path.fileName();
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56 const QString dirName = QFileInfo{path.dir().path()}.fileName();
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57 QString result;
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58 if (std::find(std::begin(paths), std::end(paths), dirName) != std::end(paths))
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59 {
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60 result = dirName + "\\" + baseName;
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61 }
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62 else
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63 {
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64 result = baseName;
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65 }
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66 return result;
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67 }
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68
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69 QString DocumentManager::openModel(const QString& path, QTextStream& errorStream)
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70 {
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71 QFile file{path};
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72 const QString name = pathToName(path);
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73 file.open(QFile::ReadOnly | QFile::Text);
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74 std::unique_ptr<Model> newModel = std::make_unique<Model>();
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75 QTextStream textStream{&file};
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76 Model::EditContext editor = newModel->edit();
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77 Parser parser{file};
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78 parser.parseBody(editor);
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79 QString result;
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80 if (file.error() == QFile::NoError)
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81 {
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82 openModels[name] = std::move(newModel);
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83 result = name;
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84 }
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85 else
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86 {
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87 errorStream << file.errorString();
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88 }
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89 return result;
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90 }
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91
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92 QString DocumentManager::makeNewModelName()
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93 {
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94 untitledNameCounter += 1;
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95 return "untitled-" + QString::number(untitledNameCounter);
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96 }
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97
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98 void DocumentManager::loadDependenciesForModel(
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99 const QString& modelName,
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100 const LibraryManager& libraries,
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101 QTextStream& errorStream)
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102 {
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103 QStringList missing;
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104 QStringList processed;
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105 loadDependenciesForModel(modelName, libraries, missing, processed, errorStream);
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106 if (not missing.empty())
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107 {
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108 missing.sort(Qt::CaseInsensitive);
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109 errorStream << utility::format(
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110 "The following files could not be opened: %1",
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111 missing.join(", "));
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112 }
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113 }
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114
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115 void DocumentManager::loadDependenciesForModel(
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116 const QString& modelName,
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117 const LibraryManager& libraries,
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118 QStringList& missing,
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119 QStringList& processed,
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120 QTextStream& errorStream)
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121 {
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122 struct LoadingError
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123 {
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124 QString message;
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125 };
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126 processed.append(modelName);
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127 Model* model = this->findModelByName(modelName);
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128 for (int i = 0; i < model->size(); i += 1)
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129 {
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130 const QString referenceName = model->getObjectProperty(i, linetypes::Property::ReferenceName).toString();
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131 if (not referenceName.isEmpty()
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132 and openModels.find(referenceName) == std::end(openModels)
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133 and not missing.contains(referenceName))
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134 {
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135 try
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136 {
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137 const QString path = libraries.findFile(referenceName);
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138 if (path.isEmpty())
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139 {
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140 throw LoadingError{utility::format("'%1' was not found.", referenceName)};
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141 }
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142 QString errorString;
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143 QTextStream localErrorStream{&errorString};
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144 QString resultName = this->openModel(path, localErrorStream);
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145 if (resultName.isEmpty())
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146 {
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147 throw LoadingError{utility::format(
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148 "could not load '%1': %2",
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149 path,
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150 errorString)};
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151 }
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152 if (not processed.contains(referenceName))
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153 {
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154 loadDependenciesForModel(referenceName, libraries, missing, processed, errorStream);
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155 }
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156 }
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157 catch(const LoadingError& error)
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158 {
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159 errorStream << error.message << "\n";
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160 missing.append(referenceName);
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161 processed.append(referenceName);
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162 }
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163 }
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Teemu Piippo <teemu@hecknology.net>
parents: 8
diff changeset
164 }
fe67489523b5 added dependency loading
Teemu Piippo <teemu@hecknology.net>
parents: 8
diff changeset
165 }

mercurial