//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.

#ifndef OSGDB_FILEUTILS
#define OSGDB_FILEUTILS 1

#include <osgDB/Export>

#include <vector>
#include <string>


namespace osgDB {

/** initialize the data file path,
  * uses OSGFILEPATH environmental
  * variable to defined.*/
OSGDB_EXPORT extern void initFilePath( void );

/** set the data file path.*/
OSGDB_EXPORT extern void setFilePath( const char *_path );

/** set the data file path.*/
OSGDB_EXPORT extern const char* getFilePath();

/** find specified file if specified file path.*/
OSGDB_EXPORT extern char *findFileInPath( const char *_file, const char * filePath );

/** find specified file on the set data file path.*/
OSGDB_EXPORT extern char *findFile( const char *file );

/** find specified dso/dll.*/
OSGDB_EXPORT extern char *findDSO( const char *name );

/** simple list of names to represent a directory's contents. */
typedef std::vector<std::string> DirectoryContents;

/** return the directory/filename of a file if its is contained within specified directory.
  * return "" if directory does not contain file.  If caseInsensitive is set to true then
  * a case insensitive comparison is used to compare fileName to directory contents.
  * This is useful when unix programs attempt read case insentive windows filenames.
  */
OSGDB_EXPORT extern std::string findFileInDirectory(const std::string& fileName,const std::string& dirName,bool caseInsensitive=false);

/** return the contents of a directory.
  * returns an empty array on any error.*/
OSGDB_EXPORT extern DirectoryContents getDirectoryContents(const std::string& dirName);


};

#endif