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#ifndef COMPONENTS_FILES_MULTIDIRSOLLECTION_HPP
#define COMPONENTS_FILES_MULTIDIRSOLLECTION_HPP
#include <cctype>
#include <filesystem>
#include <map>
#include <string>
#include <vector>
#include <components/misc/strings/algorithm.hpp>
namespace Files
{
typedef std::vector<std::filesystem::path> PathContainer;
/// \brief File collection across several directories
///
/// This class lists all files with one specific extensions within one or more
/// directories. If the same file appears more than once, the file in the directory
/// with the higher priority is used.
class MultiDirCollection
{
public:
typedef std::map<std::string, std::filesystem::path, Misc::StringUtils::CiComp> TContainer;
typedef TContainer::const_iterator TIter;
private:
TContainer mFiles;
public:
MultiDirCollection(const Files::PathContainer& directories, const std::string& extension);
///< Directories are listed with increasing priority.
/// \param extension The extension that should be listed in this collection. Must
/// contain the leading dot.
/// \param foldCase Ignore filename case
std::filesystem::path getPath(const std::string& file) const;
///< Return full path (including filename) of \a file.
///
/// If the file does not exist, an exception is thrown. \a file must include
/// the extension.
bool doesExist(const std::string& file) const;
///< \return Does a file with the given name exist?
TIter begin() const;
///< Return iterator pointing to the first file.
TIter end() const;
///< Return iterator pointing past the last file.
};
}
#endif
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