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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2010 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#ifndef FILETRAVERSER_H_INCLUDED
#define FILETRAVERSER_H_INCLUDED
#include "zstring.h"
#include <wx/longlong.h>
#include "loki/TypeManip.h"
//advanced file traverser returning metadata and hierarchical information on files and directories
namespace FreeFileSync
{
class TraverseCallback
{
public:
virtual ~TraverseCallback() {}
struct FileInfo
{
wxULongLong fileSize; //unit: bytes!
wxLongLong lastWriteTimeRaw; //number of seconds since Jan. 1st 1970 UTC
};
struct SymlinkInfo
{
wxLongLong lastWriteTimeRaw; //number of seconds since Jan. 1st 1970 UTC
Zstring targetPath; //may be empty if something goes wrong
bool dirLink; //"true": point to dir; "false": point to file (or broken Link on Linux)
};
class ReturnValDir
{
public:
enum ReturnValueEnh
{
TRAVERSING_DIR_IGNORE,
TRAVERSING_DIR_CONTINUE
};
ReturnValDir(Loki::Int2Type<TRAVERSING_DIR_IGNORE>) : returnCode(TRAVERSING_DIR_IGNORE), subDirCb(NULL) {}
ReturnValDir(Loki::Int2Type<TRAVERSING_DIR_CONTINUE>, TraverseCallback* subDirCallback) : returnCode(TRAVERSING_DIR_CONTINUE), subDirCb(subDirCallback) {}
const ReturnValueEnh returnCode;
TraverseCallback* const subDirCb;
};
//overwrite these virtual methods
virtual void onError(const wxString& errorText) = 0;
virtual void onFile( const DefaultChar* shortName, const Zstring& fullName, const FileInfo& details) = 0;
virtual void onSymlink( const DefaultChar* shortName, const Zstring& fullName, const SymlinkInfo& details) = 0;
virtual ReturnValDir onDir(const DefaultChar* shortName, const Zstring& fullName) = 0;
};
//custom traverser with detail information about files
//directory may end with PATH_SEPARATOR
void traverseFolder(const Zstring& directory, bool followSymlinks, TraverseCallback* sink); //throw();
//followSymlinks:
//"true": Symlinks dereferenced and reported via onFile() and onDir() => onSymlink not used!
//"false": Symlinks directly reported via onSymlink()
}
#endif // FILETRAVERSER_H_INCLUDED
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