85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
#ifndef STAR_ITEM_DESCRIPTOR_HPP
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#define STAR_ITEM_DESCRIPTOR_HPP
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#include "StarJson.hpp"
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#include "StarDataStream.hpp"
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#include "StarBiMap.hpp"
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namespace Star {
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STAR_CLASS(ItemDescriptor);
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STAR_CLASS(Item);
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STAR_STRUCT(VersionedJson);
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class ItemDescriptor {
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public:
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// Loads ItemDescriptor from store format.
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static ItemDescriptor loadStore(Json const& store);
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ItemDescriptor();
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ItemDescriptor(String name, uint64_t count, Json parameters = Json());
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// Populate from a configuration JsonArray containing up to 3 elements, the
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// name, count, and then any item parameters. If the json is a map, looks
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// for keys 'name', 'parameters', and 'count'.
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explicit ItemDescriptor(Json const& spec);
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String const& name() const;
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uint64_t count() const;
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Json const& parameters() const;
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ItemDescriptor singular() const;
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ItemDescriptor withCount(uint64_t count) const;
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ItemDescriptor multiply(uint64_t count) const;
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ItemDescriptor applyParameters(JsonObject const& parameters) const;
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// Descriptor is the default constructed ItemDescriptor()
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bool isNull() const;
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// Descriptor is not null
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explicit operator bool() const;
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// True if descriptor is null OR if descriptor is size 0
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bool isEmpty() const;
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bool operator==(ItemDescriptor const& rhs) const;
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bool operator!=(ItemDescriptor const& rhs) const;
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bool matches(ItemDescriptor const& other, bool exactMatch = false) const;
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bool matches(ItemConstPtr const& other, bool exactMatch = false) const;
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// Stores ItemDescriptor to versioned structure not meant for human reading / writing.
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Json diskStore() const;
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// Converts ItemDescriptor to spec format
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Json toJson() const;
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friend DataStream& operator>>(DataStream& ds, ItemDescriptor& itemDescriptor);
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friend DataStream& operator<<(DataStream& ds, ItemDescriptor const& itemDescriptor);
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friend std::ostream& operator<<(std::ostream& os, ItemDescriptor const& descriptor);
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friend struct hash<ItemDescriptor>;
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private:
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ItemDescriptor(String name, uint64_t count, Json parameters, Maybe<size_t> parametersHash);
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size_t parametersHash() const;
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String m_name;
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uint64_t m_count;
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Json m_parameters;
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mutable Maybe<size_t> m_parametersHash;
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};
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template <>
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struct hash<ItemDescriptor> {
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size_t operator()(ItemDescriptor const& v) const;
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};
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}
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template <> struct fmt::formatter<Star::ItemDescriptor> : ostream_formatter {};
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#endif
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