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59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
#ifndef OPENMW_COMPONENTS_ESM_REFID_HPP
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#define OPENMW_COMPONENTS_ESM_REFID_HPP
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#include <functional>
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#include <iosfwd>
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#include <string>
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#include <string_view>
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#include <components/esm4/formid.hpp>
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namespace ESM
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{
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// RefId is used to represent an Id that identifies an ESM record. These Ids can then be used in
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// ESM::Stores to find the actual record. These Ids can be serialized/de-serialized, stored on disk and remain
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// valid. They are used by ESM files, by records to reference other ESM records.
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struct RefId
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{
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const static RefId sEmpty;
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bool empty() const { return mId.empty(); }
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bool operator==(const RefId& rhs) const;
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bool operator<(const RefId& rhs) const;
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friend std::ostream& operator<<(std::ostream& os, const RefId& dt);
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// The 2 following functions are used to move back and forth between string and RefID. Used for hard coded
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// RefIds that are as string in the code. For serialization, and display. Using explicit conversions make it
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// very clear where in the code we need to convert from string to RefId and Vice versa.
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static RefId stringRefId(std::string_view id);
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static RefId formIdRefId(const ESM4::FormId id);
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const std::string& getRefIdString() const { return mId; }
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private:
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std::string mId;
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bool operator==(std::string_view rhs) const;
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public:
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template <std::size_t size>
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bool operator==(const char (&rhs)[size]) const
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{
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return *this == std::string_view(rhs);
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}
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};
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}
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namespace std
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{
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template <>
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struct hash<ESM::RefId>
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{
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std::size_t operator()(const ESM::RefId& k) const;
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};
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}
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#endif
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