ResourceIdentifier.h

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#pragma once
 
#include "DataIO/FileSystem/Path.h"
 
#include <Common/Utility/string_utils.h>
 
#include <string>
#include <variant>
 
namespace ph
{
 
class IResourceIdentifierResolver;
 
class ResourceIdentifier final
{
public:
    ResourceIdentifier();
 
    explicit ResourceIdentifier(std::string identifier);
 
    bool resolve(IResourceIdentifierResolver& resolver);
    
    bool isResolved() const;
 
    bool hasIdentifier() const;
 
    const std::string& getIdentifier() const;
    Path getPath() const;
    std::string getString() const;
 
    void setPath(Path path);
 
    bool isEmpty() const;
 
    std::string toString() const;
 
private:
    friend class IResourceIdentifierResolver;
 
    void setResolved(Path resolved);
    void setResolved(std::string resolved);
    void clearResolved();
 
    using ResolvedIdentifier = std::variant<
        std::monostate,
        Path,
        std::string>;
 
    std::string m_identifier;
    ResolvedIdentifier m_resolvedIdentifier;
};
 
}// end namespace ph
 
PH_DEFINE_INLINE_TO_STRING_FORMATTER(ph::ResourceIdentifier);