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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#ifndef WM5ENVIRONMENT_H
#define WM5ENVIRONMENT_H
#include "Wm5CoreLIB.h"
#include "Wm5InitTerm.h"
namespace Wm5
{
class WM5_CORE_ITEM Environment
{
WM5_DECLARE_INITIALIZE;
WM5_DECLARE_TERMINATE;
public:
// Get the string corresponding to an environment variable.
static std::string GetVariable (const std::string& varName);
// Support for paths to locate files. For platform independence, use
// "/" for the path separator. Please terminate the input 'directory'
// values with "/". The Insert/Remove functions return 'true' iff the
// operation was successful.
static int GetNumDirectories ();
static std::string GetDirectory (int i);
static bool InsertDirectory (const std::string& directory);
static bool RemoveDirectory (const std::string& directory);
static void RemoveAllDirectories ();
// The GetPath* function searches the list of directories and returns the
// fully decorated file name, assuming it satisfies the required
// conditions, or returns "" if conditions are not met. GetPathR succeeds
// when the file can be opened for reading. GetPathW succeeds when the
// file can be opened for writing. GetPathRW succedds when the file can
// be opened for reading and/or writing.
static std::string GetPath (const std::string& fileName, int mode);
static std::string GetPathR (const std::string& fileName);
static std::string GetPathW (const std::string& fileName);
static std::string GetPathRW (const std::string& fileName);
private:
static std::string GetPath (const std::string& filename,
const char* attributes);
// The list of directories for GetPath to search. The list is
// allocated during InitTerm::ExecuteInitializers. As with other
// classes in Wild Magic, no dynamic allocation occurs pre-main to
// assist in tracking memory problems.
static std::vector<std::string>* msDirectories;
};
WM5_REGISTER_INITIALIZE(Environment);
WM5_REGISTER_TERMINATE(Environment);
}
#endif
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