Mercurial > minori

annotate src/core/filesystem.cc @ 394:de10a647eb9b

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kitsu: fix up clang-format's shitty json formatting
author Paper <paper@tflc.us>
date Fri, 07 Nov 2025 07:24:53 -0500
parents 963047512d34
children 650a9159a0e7
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2743011a6042 *: mass update
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1 #include "core/filesystem.h"
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cde8f67a7c7d *: update, megacommit :)
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2 #include "core/config.h"
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3 #include "core/strings.h"
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4
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5 #include <QStandardPaths>
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6
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7 #include <filesystem>
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8
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9 namespace Filesystem {
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10
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11 /* this runs fs::create_directories() on the
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12 PARENT directory. */
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13 void CreateDirectories(const std::filesystem::path &path)
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14 {
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15 if (path.empty())
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16 return;
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17
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18 const auto &parent = path.parent_path();
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19 if (!std::filesystem::exists(parent))
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20 std::filesystem::create_directories(parent);
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21 }
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22
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23 std::filesystem::path GetDotPath()
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24 {
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25 /*
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26 * Windows: ~/AppData/Roaming/Minori
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27 * macOS: ~/Library/Application Support/Minori
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28 * ...: ~/.config/minori
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29 *
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30 * FIXME: are windows and mac properly cased?
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31 */
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32 #ifdef WIN32
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33 return Strings::ToUtf8String(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation));
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34 #else
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35 return Strings::ToUtf8String(QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation));
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36 #endif
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37 }
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38
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39 std::filesystem::path GetConfigPath()
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40 {
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41 return GetDotPath() / CONFIG_NAME;
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42 }
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43
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44 std::filesystem::path GetAnimeDBPath()
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45 {
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46 return GetDotPath() / "anime" / "db.json";
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47 }
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48
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49 std::filesystem::path GetTorrentsPath()
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50 {
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51 return GetDotPath() / "torrents";
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52 }
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53
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54 std::filesystem::path GetAnimePostersPath()
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55 {
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56 return GetDotPath() / "anime" / "posters";
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57 }
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58
382
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59 /* ------------------------------------------------------------------------ */
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60 /* Ehhhhh */
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61
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62 class Watcher : public IWatcher {
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63 public:
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64 Watcher(void *opaque, const std::filesystem::path &path, EventHandler handler)
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65 : path_(path), handler_(handler), opaque_(opaque)
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66 {
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67 }
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68
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69 virtual ~Watcher() override {}
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70
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71 protected:
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72 std::filesystem::path path_;
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73 EventHandler handler_;
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74 void *opaque_;
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75 };
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76
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77 /* ------------------------------------------------------------------------ */
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78 /* Filesystem watcher.
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79 * This is the portable version for non-Windows (of which the Windows
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80 * specific version hasn't been written yet... TODO) */
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81
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82 template<typename T>
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83 class StdFilesystemWatcher : public Watcher {
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84 public:
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85 StdFilesystemWatcher(void *opaque, const std::filesystem::path &path, EventHandler handler)
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86 : Watcher(opaque, path, handler)
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87 {
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88 }
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89
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90 virtual ~StdFilesystemWatcher() override {}
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91
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92 virtual void Process() override
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93 {
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94 /* Untoggle all paths. This allows us to only ever
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95 * iterate over the directory ONCE. */
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96 UntoggleAllPaths();
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97
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98 for (const auto &item : T(path_)) {
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99 std::filesystem::path p = item.path();
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100
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101 if (FindAndTogglePath(p))
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102 continue;
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103
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104 /* Hand the path off to the listener */
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105 handler_(opaque_, p, Event::Created);
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106 paths_.push_back({true, p});
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107 }
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108
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109 DeleteUntoggledPaths();
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110 }
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111
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112 protected:
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113 bool FindAndTogglePath(const std::filesystem::path &p)
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114 {
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115 for (auto &pp : paths_) {
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116 if (pp.path == p) {
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117 pp.found = true;
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118 return true;
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119 }
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120 }
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121
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122 return false;
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123 }
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124
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125 void UntoggleAllPaths()
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126 {
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127 for (auto &pp : paths_)
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128 pp.found = false;
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129 }
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130
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131 void DeleteUntoggledPaths()
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132 {
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133 auto it = paths_.begin();
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134
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135 while (it != paths_.end()) {
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136 if (!it->found) {
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137 handler_(opaque_, it->path, Event::Deleted);
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138 it = paths_.erase(it);
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139 } else {
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140 it++;
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141 }
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142 }
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143 }
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144
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145 struct PathStatus {
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146 bool found;
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147 std::filesystem::path path;
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148 };
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149
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150 /* TODO this is probably DAMN slow */
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151 std::vector<PathStatus> paths_;
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152 };
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153
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154 IWatcher *GetRecursiveFilesystemWatcher(void *opaque, const std::filesystem::path &path, IWatcher::EventHandler handler)
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155 {
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156 /* .... :) */
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157 return new StdFilesystemWatcher<std::filesystem::recursive_directory_iterator>(opaque, path, handler);
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158 }
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159
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160 IWatcher *GetFilesystemWatcher(void *opaque, const std::filesystem::path &path, IWatcher::EventHandler handler)
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161 {
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162 return new StdFilesystemWatcher<std::filesystem::directory_iterator>(opaque, path, handler);
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163 }
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164
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165 } // namespace Filesystem