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https://github.com/ciphervance/supercell-wx.git
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Read layer settings from JSON
This commit is contained in:
Dan Paulat
parent
10fe904011
commit
2fe3facbd2
1 changed files with 158 additions and 60 deletions
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@ -17,6 +17,7 @@
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#include <QStyle>
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#include <QStyleOption>
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#include <QStandardPaths>
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#include <boost/container/stable_vector.hpp>
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#include <boost/json.hpp>
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namespace scwx
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@ -47,73 +48,41 @@ typedef std::
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variant<std::monostate, types::Layer, awips::Phenomenon, std::string>
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LayerDescription;
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class LayerModel::Impl
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struct LayerInfo
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{
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public:
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struct LayerInfo
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{
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types::LayerType type_;
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LayerDescription description_;
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bool movable_;
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std::array<bool, kMapCount_> displayed_ {true, true, true, true};
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};
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};
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typedef std::vector<LayerInfo> LayerVector;
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typedef boost::container::stable_vector<LayerInfo> LayerVector;
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explicit Impl(LayerModel* self) : self_ {self}
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{
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layers_.emplace_back(
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types::LayerType::Information, types::Layer::MapOverlay, false);
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layers_.emplace_back(
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types::LayerType::Information, types::Layer::ColorTable, false);
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layers_.emplace_back(
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types::LayerType::Alert, awips::Phenomenon::Tornado, true);
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layers_.emplace_back(
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types::LayerType::Alert, awips::Phenomenon::SnowSquall, true);
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layers_.emplace_back(
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types::LayerType::Alert, awips::Phenomenon::SevereThunderstorm, true);
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layers_.emplace_back(
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types::LayerType::Alert, awips::Phenomenon::FlashFlood, true);
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layers_.emplace_back(
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types::LayerType::Alert, awips::Phenomenon::Marine, true);
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layers_.emplace_back(
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types::LayerType::Map, types::Layer::MapSymbology, false);
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layers_.emplace_back(types::LayerType::Radar, std::monostate {}, true);
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layers_.emplace_back(
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types::LayerType::Map, types::Layer::MapUnderlay, false);
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}
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static const std::vector<LayerInfo> kDefaultLayers_ {
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{types::LayerType::Information, types::Layer::MapOverlay, false},
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{types::LayerType::Information, types::Layer::ColorTable, false},
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{types::LayerType::Alert, awips::Phenomenon::Tornado, true},
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{types::LayerType::Alert, awips::Phenomenon::SnowSquall, true},
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{types::LayerType::Alert, awips::Phenomenon::SevereThunderstorm, true},
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{types::LayerType::Alert, awips::Phenomenon::FlashFlood, true},
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{types::LayerType::Alert, awips::Phenomenon::Marine, true},
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{types::LayerType::Map, types::Layer::MapSymbology, false},
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{types::LayerType::Radar, std::monostate {}, true},
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{types::LayerType::Map, types::Layer::MapUnderlay, false},
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};
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class LayerModel::Impl
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{
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public:
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explicit Impl(LayerModel* self) : self_ {self} {}
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~Impl() = default;
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void AddPlacefile(const std::string& name);
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void InitializeLayerSettings();
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void ReadLayerSettings();
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void WriteLayerSettings();
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friend void tag_invoke(boost::json::value_from_tag,
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boost::json::value& jv,
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const LayerInfo& record)
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{
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std::string description {};
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if (std::holds_alternative<awips::Phenomenon>(record.description_))
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{
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description = awips::GetPhenomenonCode(
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std::get<awips::Phenomenon>(record.description_));
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}
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else if (std::holds_alternative<types::Layer>(record.description_))
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{
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description =
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types::GetLayerName(std::get<types::Layer>(record.description_));
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}
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else if (std::holds_alternative<std::string>(record.description_))
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{
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description = std::get<std::string>(record.description_);
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}
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jv = {{kTypeName_, types::GetLayerTypeName(record.type_)},
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{kDescriptionName_, description},
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{kMovableName_, record.movable_},
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{kDisplayedName_, boost::json::value_from(record.displayed_)}};
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}
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static void ValidateLayerSettings(LayerVector& layers);
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LayerModel* self_;
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@ -149,6 +118,12 @@ LayerModel::LayerModel(QObject* parent) :
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&LayerModel::HandlePlacefileUpdate);
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p->InitializeLayerSettings();
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p->ReadLayerSettings();
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if (p->layers_.empty())
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{
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p->layers_.assign(kDefaultLayers_.cbegin(), kDefaultLayers_.cend());
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}
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}
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LayerModel::~LayerModel()
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@ -175,6 +150,52 @@ void LayerModel::Impl::InitializeLayerSettings()
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layerSettingsPath_ = appDataPath + "/layers.json";
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}
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void LayerModel::Impl::ReadLayerSettings()
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{
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logger_->info("Reading layer settings");
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boost::json::value layerJson = nullptr;
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LayerVector newLayers {};
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// Determine if layer settings exists
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if (std::filesystem::exists(layerSettingsPath_))
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{
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layerJson = util::json::ReadJsonFile(layerSettingsPath_);
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}
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// If layer settings was successfully read
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if (layerJson != nullptr && layerJson.is_array())
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{
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// For each layer entry
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auto& layerArray = layerJson.as_array();
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for (auto& layerEntry : layerArray)
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{
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try
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{
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// Convert layer entry to a LayerInfo record, and add to new layers
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newLayers.emplace_back(
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boost::json::value_to<LayerInfo>(layerEntry));
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}
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catch (const std::exception& ex)
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{
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logger_->warn("Invalid layer entry: {}", ex.what());
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}
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}
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// Validate and correct read layers
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ValidateLayerSettings(newLayers);
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// Assign read layers
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layers_.swap(newLayers);
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}
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}
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void LayerModel::Impl::ValidateLayerSettings(LayerVector& layers)
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{
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// TODO
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Q_UNUSED(layers);
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}
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void LayerModel::Impl::WriteLayerSettings()
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{
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logger_->info("Saving layer settings");
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@ -555,7 +576,7 @@ bool LayerModel::dropMimeData(const QMimeData* data,
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}
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// Create a copy of the layers to insert (don't insert in-place)
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std::vector<Impl::LayerInfo> newLayers {};
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std::vector<LayerInfo> newLayers {};
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for (auto& sourceRow : sourceRows)
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{
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newLayers.push_back(p->layers_.at(sourceRow));
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@ -744,7 +765,7 @@ void LayerModel::Impl::AddPlacefile(const std::string& name)
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auto insertPosition = std::find_if(
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layers_.begin(),
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layers_.end(),
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[](const Impl::LayerInfo& layerInfo)
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[](const LayerInfo& layerInfo)
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{
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return std::holds_alternative<types::Layer>(layerInfo.description_) &&
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std::get<types::Layer>(layerInfo.description_) ==
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@ -761,6 +782,83 @@ void LayerModel::Impl::AddPlacefile(const std::string& name)
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self_->endInsertRows();
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}
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void tag_invoke(boost::json::value_from_tag,
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boost::json::value& jv,
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const LayerInfo& record)
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{
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std::string description {};
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if (std::holds_alternative<awips::Phenomenon>(record.description_))
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{
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description = awips::GetPhenomenonCode(
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std::get<awips::Phenomenon>(record.description_));
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}
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else if (std::holds_alternative<types::Layer>(record.description_))
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{
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description =
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types::GetLayerName(std::get<types::Layer>(record.description_));
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}
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else if (std::holds_alternative<std::string>(record.description_))
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{
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description = std::get<std::string>(record.description_);
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}
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jv = {{kTypeName_, types::GetLayerTypeName(record.type_)},
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{kDescriptionName_, description},
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{kMovableName_, record.movable_},
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{kDisplayedName_, boost::json::value_from(record.displayed_)}};
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}
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template<typename T, std::size_t n>
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std::array<T, n> tag_invoke(boost::json::value_to_tag<std::array<T, n>>,
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const boost::json::value& jv)
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{
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std::array<T, n> array {};
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boost::json::array jsonArray = jv.as_array();
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for (std::size_t i = 0; i < n && i < jsonArray.size(); ++i)
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{
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array[i] = jsonArray[i];
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}
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return array;
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}
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LayerInfo tag_invoke(boost::json::value_to_tag<LayerInfo>,
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const boost::json::value& jv)
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{
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const types::LayerType layerType = types::GetLayerType(
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boost::json::value_to<std::string>(jv.at(kTypeName_)));
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const std::string descriptionName =
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boost::json::value_to<std::string>(jv.at(kDescriptionName_));
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LayerDescription description {};
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if (layerType == types::LayerType::Map ||
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layerType == types::LayerType::Information)
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{
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description = types::GetLayer(descriptionName);
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}
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else if (layerType == types::LayerType::Radar)
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{
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description = std::monostate {};
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}
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else if (layerType == types::LayerType::Alert)
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{
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description = awips::GetPhenomenon(descriptionName);
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}
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else
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{
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description = descriptionName;
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}
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return LayerInfo {
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layerType,
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description,
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jv.at(kMovableName_).as_bool(),
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boost::json::value_to<std::array<bool, 4>>(jv.at(kDisplayedName_))};
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}
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} // namespace model
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} // namespace qt
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} // namespace scwx
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