#ifndef dirobj_h

#define dirobj_h

/*

* NIST Utils Class Library

* clutils/dirobj.h

* April 1997

* David Sauder

* K. C. Morris

* Development of this software was funded by the United States Government,

* and is not subject to copyright.

*/

/*

* DirObj - This object contains a list of files in a directory.

* Can be used for checking paths etc.

* based on InterViews FBDirectory

* Copyright (c) 1987, 1988, 1989 Stanford University from

* /depot/iv/src/libInterViews/filebrowser.c <= notice

* I commented it, changed variable and function names, added a

* few things, and made it so we can actually use it.

* David Sauder

*/

///////////////////////////////////////////////////////////////////////////////

//

// These header files are a pain between compilers etc ... and

// I agree they are in a mess. You will have to CHECK them yourself

// depending on what you are using -- it works the way it is with g++

// but you need -I/depot/gnu/lib/g++-include

//

///////////////////////////////////////////////////////////////////////////////

#include "config.h"

#include <sc_export.h>

#include <stdlib.h>

#include <string.h>

#ifdef HAVE_SYS_PARAM_H

# include <sys/param.h>

#endif

#include <string>

/*****************************************************************************/

class SC_UTILS_EXPORT DirObj {

public:

DirObj( const char * dirName );

virtual ~DirObj();

bool LoadDirectory( const std::string & name );

static std::string Normalize( const std::string & s );

const char * ValidDirectories( const char * );

int Index( const char * );

const char * File( int index );

// check for file in the currently loaded directory

bool FileExists( const char * file ) {

return Index( file ) != -1;

}

bool FileExists( const std::string & file ) {

return Index( file.c_str() ) != -1;

}

int Count();

static bool IsADirectory( const char * );

private:

const char * RealPath( const char * );

bool Reset( const std::string & path );

void ClearFileList();

void CheckIndex( int index );

void InsertFile( const char *, int index );

void AppendFile( const char * );

void RemoveFile( int index );

virtual int Position( const char * );

private:

char ** fileList;

int fileCount;

int fileListSize;

};

// Return the number of files in the loaded directory.

inline int DirObj::Count() {

return fileCount;

}

// Insert a new file into the fileList.

inline void DirObj::AppendFile( const char * s ) {

InsertFile( s, fileCount );

}

// Return the file at the given index (starting at 0) in the fileList

inline const char * DirObj::File( int index ) {

return ( 0 <= index && index < fileCount ) ? fileList[index] : 0;

}

#endif