lyx_mirror/src/support/PathChanger.cpp
2013-02-12 12:29:33 +01:00

68 lines
1.0 KiB
C++

/**
* \file Path.cpp
* 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.
*/
#include <config.h>
#include "support/PathChanger.h"
// undef PathChanger macro when building PathChanger
#undef PathChanger
namespace lyx {
namespace support {
PathChanger::PathChanger(FileName const & path)
: popped_(false)
{
if (!path.empty()) {
pushedDir_ = FileName::getcwd();
if (pushedDir_.empty() || !path.chdir()) {
/* FIXME: throw */
}
} else {
popped_ = true;
}
}
PathChanger::~PathChanger()
{
if (!popped_)
pop();
}
int PathChanger::pop()
{
if (popped_) {
// should throw an exception
// throw logical_error();
return 0;
}
if (!pushedDir_.chdir()) {
// should throw an exception
// throw DirChangeError();
}
popped_ = true;
return 0;
}
} // namespace support
} // namespace lyx
#define PathChanger(x) unnamed_PathChanger;
// in merged builds this is not the last line.