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// Win32 implementation
#if !defined(_WIN32)
#error Win32 only header included from non-Win32 build environment
#endif
#if !defined(AUTODIR_H)
#define AUTODIR_H
struct dirent {
char d_name[MAX_PATH];
};
class autodir {
HANDLE h_dirscan;
WIN32_FIND_DATA finddata;
dirent posixdir;
bool eof;
// Disable default copy constructor
autodir( const autodir & );
autodir &operator=( const autodir & );
public:
explicit autodir( const char *dirname ) : eof(false)
{
h_dirscan=FindFirstFile((std::string(dirname)+"\\*").c_str(), &finddata );
#if defined(EXCEPT_CLASS)
if( h_dirscan==INVALID_HANDLE_VALUE )
throw rscerror("opendir failed", Error2errno(GetLastError()), dirname);
#endif
}
~autodir()
{
clear();
}
void clear()
{
if( h_dirscan!=INVALID_HANDLE_VALUE ) {
FindClose( h_dirscan );
h_dirscan=INVALID_HANDLE_VALUE;
eof=false;
}
}
struct dirent *read()
{
if( !eof ) {
strcpy_s(posixdir.d_name, finddata.cFileName);
if( !FindNextFile(h_dirscan, &finddata) ) {
eof=true;
DWORD error=GetLastError();
if( error!=ERROR_NO_MORE_FILES ) {
throw rscerror("Error getting directory listing", Error2errno(error));
}
}
return &posixdir;
} else {
return NULL;
}
}
/*
void rewind()
{
::rewinddir(dir);
}
void seek( off_t offset )
{
seekdir( dir, offset );
}
off_t telldir()
{
return ::telldir( dir );
}
*/
};
#endif // AUTODIR_H
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