Initial community commit

Src/playlist/ifc_playlistloadercallbackT.h

@@ -0,0 +1,29 @@
+#pragma once
+#include "ifc_playlistloadercallback.h"
+
+template <class T>
+class ifc_playlistloadercallbackT : public ifc_playlistloadercallback
+{
+protected:
+	ifc_playlistloadercallbackT() {}
+	~ifc_playlistloadercallbackT() {}
+protected:
+	// return 0 to continue enumeration, or 1 to quit
+
+	// title will be NULL if no title found, length will be -1
+	int OnFile(const wchar_t *filename, const wchar_t *title, int lengthInMS, ifc_plentryinfo *info) {  return LOAD_ABORT; }
+	// numEntries is just a hint, there is no gaurantee.  0 means "don't know"
+	int OnPlaylistInfo(const wchar_t *playlistName, size_t numEntries, ifc_plentryinfo *info) { return LOAD_ABORT; }
+	 // return 0 to use playlist file path as base (or just don't implement)
+	const wchar_t *GetBasePath() { return 0; }
+
+#define CBCLASS T
+#define CBCLASST ifc_playlistloadercallbackT<T>
+	START_DISPATCH_INLINE;
+	CBT(IFC_PLAYLISTLOADERCALLBACK_ONFILE_RET, OnFile);
+	CBT(IFC_PLAYLISTLOADERCALLBACK_ONPLAYLISTINFO_RET, OnPlaylistInfo);
+	CBT(IFC_PLAYLISTLOADERCALLBACK_GETBASEPATH, GetBasePath);
+	END_DISPATCH;
+#undef CBCLASS
+#undef CBCLASST
+};