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#ifndef FILETRAVERSER_H_INCLUDED
#define FILETRAVERSER_H_INCLUDED
#include "zstring.h"
#include <set>
#include <memory>
#include <wx/longlong.h>
//advanced file traverser returning metadata and hierarchical information on files and directories
namespace FreeFileSync
{
class TraverseCallback
{
public:
virtual ~TraverseCallback() {}
enum ReturnValue
{
TRAVERSING_STOP,
TRAVERSING_CONTINUE
};
struct FileInfo
{
wxULongLong fileSize; //unit: bytes!
wxLongLong lastWriteTimeRaw; //number of seconds since Jan. 1st 1970 UTC
};
class ReturnValDir
{
public:
//some proxy classes
class Stop {};
class Ignore {};
class Continue {};
ReturnValDir(const Stop&) : returnCode(TRAVERSING_STOP), subDirCb(NULL) {}
ReturnValDir(const Ignore&) : returnCode(TRAVERSING_IGNORE_DIR), subDirCb(NULL) {}
ReturnValDir(const Continue&, TraverseCallback* subDirCallback) : returnCode(TRAVERSING_CONTINUE), subDirCb(subDirCallback) {}
enum ReturnValueEnh
{
TRAVERSING_STOP,
TRAVERSING_IGNORE_DIR,
TRAVERSING_CONTINUE
};
const ReturnValueEnh returnCode;
TraverseCallback* const subDirCb;
};
//overwrite these virtual methods
virtual ReturnValue onError(const wxString& errorText) = 0;
virtual ReturnValue onFile(const DefaultChar* shortName, const Zstring& fullName, const FileInfo& details) = 0;
virtual ReturnValDir onDir(const DefaultChar* shortName, const Zstring& fullName) = 0;
};
//custom traverser with detail information about files
void traverseFolder(const Zstring& directory, const bool traverseDirectorySymlinks, TraverseCallback* sink); //throw()
}
#endif // FILETRAVERSER_H_INCLUDED
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