X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fdirectorycollection.h;fp=source%2Fdirectorycollection.h;h=93f93545b589708f312fce6d87c1330de8f79ac3;hb=a4091f14dfbf4d5f822fa26740a7b3f305c449e6;hp=0000000000000000000000000000000000000000;hpb=534a9fb8c1e8ee6c40be90cb43c89bafb2cfbb24;p=libs%2Fdatafile.git

diff --git a/source/directorycollection.h b/source/directorycollection.h
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--- /dev/null
+++ b/source/directorycollection.h
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+#ifndef MSP_DATAFILE_DIRECTORYCOLLECTION_H_
+#define MSP_DATAFILE_DIRECTORYCOLLECTION_H_
+
+#include <msp/fs/path.h>
+#include "collection.h"
+
+namespace Msp {
+namespace DataFile {
+
+/**
+A Collection that can automatically load items from files in a directory.
+*/
+class DirectoryCollection: public Collection
+{
+private:
+	std::list<FS::Path> dirs;
+
+public:
+	DirectoryCollection();
+
+protected:
+	void set_directory(const FS::Path &);
+	void add_directory(const FS::Path &);
+
+	template<typename T>
+	CollectionItemType<T> &add_type()
+	{
+		return Collection::add_type<T>().creator(&DirectoryCollection::create<T>);
+	}
+
+private:
+	template<typename T>
+	T *create(const std::string &name)
+	{
+		FS::Path file;
+		if(lookup_file(name, file))
+		{
+			RefPtr<T> item = new T;
+			load(*item, file.str());
+			return item.release();
+		}
+		else
+			return 0;
+	}
+
+	bool lookup_file(const std::string &, FS::Path &) const;
+};
+
+} // namespace DataFile
+} // namespace Msp
+
+#endif