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69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
#ifndef OPENMW_COMPONENTS_RESOURCEMANAGER_H
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#define OPENMW_COMPONENTS_RESOURCEMANAGER_H
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#include <components/files/constrainedfilestream.hpp>
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#include <vector>
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#include <map>
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namespace VFS
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{
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class Archive;
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class File;
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/// @brief The main class responsible for loading files from a virtual file system.
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/// @par Various archive types (e.g. directories on the filesystem, or compressed archives)
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/// can be registered, and will be merged into a single file tree. If the same filename is
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/// contained in multiple archives, the last added archive will have priority.
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/// @par Most of the methods in this class are considered thread-safe, see each method documentation for details.
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class Manager
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{
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public:
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/// @param strict Use strict path handling? If enabled, no case folding will
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/// be done, but slash/backslash conversions are always done.
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Manager(bool strict);
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~Manager();
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/// Register the given archive. All files contained in it will be added to the index on the next buildIndex() call.
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/// @note Takes ownership of the given pointer.
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void addArchive(Archive* archive);
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/// Build the file index. Should be called when all archives have been registered.
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void buildIndex();
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/// Does a file with this name exist?
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/// @note May be called from any thread once the index has been built.
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bool exists(const std::string& name) const;
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/// Get a complete list of files from all archives
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/// @note May be called from any thread once the index has been built.
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const std::map<std::string, File*>& getIndex() const;
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/// Normalize the given filename, making slashes/backslashes consistent, and lower-casing if mStrict is false.
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/// @note May be called from any thread once the index has been built.
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void normalizeFilename(std::string& name) const;
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/// Retrieve a file by name.
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/// @note Throws an exception if the file can not be found.
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/// @note May be called from any thread once the index has been built.
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Files::IStreamPtr get(const std::string& name) const;
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/// Retrieve a file by name (name is already normalized).
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/// @note Throws an exception if the file can not be found.
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/// @note May be called from any thread once the index has been built.
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Files::IStreamPtr getNormalized(const std::string& normalizedName) const;
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private:
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bool mStrict;
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std::vector<Archive*> mArchives;
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std::map<std::string, File*> mIndex;
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};
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}
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#endif
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