// $VER: DirTree.h 2.00 (24-Apr-95) ©CM 1995


#include <utility/hooks.h>
#include <exec/memory.h>
#include <dos/dos.h>
#include <dos/exall.h>
#include <exec/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

//extern "C"  {
#include <clib/alib_protos.h>
#include <pragma/dos_lib.h>
#include <pragma/exec_lib.h>
#include <pragma/utility_lib.h>
//}

#define ed_downerB	ed_Size
//#define REC_DELETE_AFTER_PARENTDIR 1

#define REC_ERROR 1
#define REC_FILEFOUND 2
#define REC_DIRECTORYNAME 3
#define REC_INIT 4
#define REC_FINISHED 5

struct BlockList {
	struct BlockList *next;
	struct ExAllData *upper; 		// für Rekursion
	ULONG BufSize;
	BPTR lock;
	struct ExAllData *ExAllData;  // Wird während der Sortierung verändert
	struct ExAllData *ExAllDCopy; // Deshalb Kopie
};

class DirTree  {
	int 					option;
	struct BlockList*	root;	
	char*					pattern;
	char*					directory;
protected:
	struct BlockList *SearchRek(char *, char *, struct ExAllData *, int);
	void 					DeleteDirBlock(struct BlockList *);
	void 					DeleteAllBlocks(struct BlockList*, struct ExAllData *,int);
	struct BlockList *ReadDir(BPTR lock);
	//virtual void HookMethod(DirTree::rectype, char*, ExAllData*) {}
	virtual void Error(const char*) = 0;
	virtual void FileFound(const ExAllData*) = 0;
	virtual void DirChanged(const char*) = 0;
	virtual void Init() {}
	virtual void Finish() {}
	int running;
public:
	DirTree(char *Dir, char *Pattern = "#?")  {
		directory = Dir;
		pattern = new char[strlen(Pattern)*2+10];
		ParsePatternNoCase(Pattern, pattern,strlen(Pattern)*2+10);
	}
	void ReadRecursively()  {
		Init();
		root = SearchRek(directory, pattern, NULL, 0);	
		Finish();
	};
	~DirTree()  {
		if(root) DeleteAllBlocks(root, NULL, 0);
		delete[] pattern;
	};
	// int SetOptions(int options);
};