FGD.h

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#pragma once
 
#include <list>
#include <string>
#include <string_view>
#include <unordered_map>
#include <vector>
 
#include <BufferStream.h>
#include <sourcepp/Math.h>
 
namespace toolpp {
 
class FGD {
public:
    struct Entity {
        struct ClassProperty {
            std::string_view name;
            std::string_view arguments;
        };
 
        struct Field {
            std::string_view name;
            std::string_view valueType;
            bool readonly;
            bool reportable;
            std::string_view displayName;
            std::string_view valueDefault;
            std::string_view description;
        };
 
        struct FieldChoices {
            struct Choice {
                std::string_view value;
                std::string_view displayName;
            };
 
            std::string_view name;
            bool readonly;
            bool reportable;
            std::string_view displayName;
            std::string_view valueDefault;
            std::string_view description;
            std::vector<Choice> choices;
        };
 
        struct FieldFlags {
            struct Flag {
                uint64_t value;
                std::string_view displayName;
                bool enabledByDefault;
                std::string_view description;
            };
 
            std::string_view name;
            bool readonly;
            bool reportable;
            std::string_view displayName;
            std::string_view description;
            std::vector<Flag> flags;
        };
 
        struct IO {
            std::string_view name;
            std::string_view valueType;
            std::string_view description;
        };
 
        std::string_view classType;
        std::vector<ClassProperty> classProperties;
 
        std::string_view description;
        std::string_view docsURL;
 
        std::vector<Field> fields;
        std::vector<FieldChoices> fieldsWithChoices;
        std::vector<FieldFlags> fieldsWithFlags;
        std::vector<IO> inputs;
        std::vector<IO> outputs;
    };
 
    struct AutoVisGroup {
        std::string_view parentName;
        std::string_view name;
        std::vector<std::string_view> entities;
    };
 
    FGD() = default;
 
    explicit FGD(const std::string& fgdPath);
 
    void load(const std::string& fgdPath);
 
    [[nodiscard]] int getVersion() const;
 
    [[nodiscard]] sourcepp::math::Vec2i getMapSize() const;
 
    [[nodiscard]] const std::unordered_map<std::string_view, Entity>& getEntities() const;
 
    [[nodiscard]] const std::vector<std::string_view>& getMaterialExclusionDirs() const;
 
    [[nodiscard]] const std::vector<AutoVisGroup>& getAutoVisGroups() const;
 
protected:
    void readEntities(BufferStreamReadOnly& stream, const std::string& path, std::vector<std::string>& seenPaths);
 
    std::list<std::string> backingData;
 
    int version = 0;
    sourcepp::math::Vec2i mapSize{};
    std::unordered_map<std::string_view, Entity> entities;
    std::vector<std::string_view> materialExclusionDirs;
    std::vector<AutoVisGroup> autoVisGroups;
};
 
class FGDWriter {
public:
    class AutoVisGroupWriter {
    public:
        explicit AutoVisGroupWriter(FGDWriter& parent_);
 
        AutoVisGroupWriter& visGroup(const std::string& name, const std::vector<std::string>& entities);
 
        FGDWriter& endAutoVisGroup() const; // NOLINT(*-use-nodiscard)
 
    private:
        FGDWriter& parent;
    };
 
    class EntityWriter {
    public:
        class KeyValueChoicesWriter {
        public:
            explicit KeyValueChoicesWriter(EntityWriter& parent_);
 
            KeyValueChoicesWriter& choice(const std::string& value, const std::string& displayName);
 
            EntityWriter& endKeyValueChoices() const; // NOLINT(*-use-nodiscard)
 
        private:
            EntityWriter& parent;
        };
 
        class KeyValueFlagsWriter {
        public:
            explicit KeyValueFlagsWriter(EntityWriter& parent_);
 
            KeyValueFlagsWriter& flag(uint64_t value, const std::string& displayName, bool enabledByDefault, const std::string& description = "");
 
            EntityWriter& endKeyValueFlags() const; // NOLINT(*-use-nodiscard)
 
        private:
            EntityWriter& parent;
        };
 
        explicit EntityWriter(FGDWriter& parent_);
 
        EntityWriter& keyValue(const std::string& name, const std::string& valueType, const std::string& displayName = "", const std::string& valueDefault = "", const std::string& description = "", bool readOnly = false, bool report = false);
 
        KeyValueChoicesWriter beginKeyValueChoices(const std::string& name, const std::string& displayName = "", const std::string& valueDefault = "", const std::string& description = "", bool readOnly = false, bool report = false);
 
        KeyValueFlagsWriter beginKeyValueFlags(const std::string& name, const std::string& displayName = "", const std::string& description = "", bool readOnly = false, bool report = false);
 
        EntityWriter& input(const std::string& name, const std::string& valueType, const std::string& description = "");
 
        EntityWriter& output(const std::string& name, const std::string& valueType, const std::string& description = "");
 
        FGDWriter& endEntity() const; // NOLINT(*-use-nodiscard)
 
    private:
        FGDWriter& parent;
    };
 
    [[nodiscard]] static FGDWriter begin();
 
    FGDWriter& include(const std::string& fgdPath);
 
    FGDWriter& version(int version);
 
    FGDWriter& mapSize(sourcepp::math::Vec2i mapSize);
 
    FGDWriter& materialExclusionDirs(const std::vector<std::string>& dirs);
 
    AutoVisGroupWriter beginAutoVisGroup(const std::string& parentName);
 
    EntityWriter beginEntity(const std::string& classType, const std::vector<std::string>& classProperties, const std::string& name, const std::string& description = "", const std::string& docsURL = "");
 
    [[nodiscard]] std::string bake() const;
 
    bool bake(const std::string& fgdPath) const; // NOLINT(*-use-nodiscard)
 
protected:
    FGDWriter();
 
    std::string backingData;
    BufferStream writer;
};
 
} // namespace fgdpp