lyx_mirror/src/support/Path.h
Stephan Witt 4c859c9835 add support for private aspell framework for mac os
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@34098 a592a061-630c-0410-9148-cb99ea01b6c8
2010-04-08 22:56:12 +00:00

81 lines
1.5 KiB
C++

// -*- C++ -*-
/**
* \file Path.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#ifndef PATH_H
#define PATH_H
#include "support/FileName.h"
namespace lyx {
namespace support {
/**
* Path - utility closs for stackable working directories
*
* You can use a local variable of this type to temporarily
* change to a directory as the cwd, for example :
*
* if (blah) {
* FileName pp("/tmp/blah");
* PathChanger p(pp);
* ...
* }
*
* At the end of p's scope the cwd is reset to its previous value.
*/
class PathChanger {
public:
/// change to the given directory
explicit PathChanger(FileName const & path);
/// set cwd to the previous value if needed
~PathChanger();
/// set cwd to the previous value if needed
int pop();
private:
/// noncopyable
PathChanger(PathChanger const &);
void operator=(PathChanger const &);
/// whether we are in the new cwd or not
bool popped_;
/// the previous cwd
FileName pushedDir_;
};
// To avoid the wrong usage:
// PathChanger("/tmp"); // wrong
// PathChanger p("/tmp"); // right
// we add this macro:
#define PathChanger(x) unnamed_PathChanger;
// Tip gotten from Bobby Schmidt's column in C/C++ Users Journal
} // namespace support
} // namespace lyx
#ifdef __APPLE__
#ifdef __cplusplus
extern "C" {
#endif
int getPrivateFrameworkPathName(char * buf, unsigned len, char const * framework);
#ifdef __cplusplus
}
#endif
#endif
#endif // PATH_H