src/support/path.h

   1 // -*- C++ -*-
   2 #ifndef PATH_H
   3 #define PATH_H
   4
   5 #include <unistd.h>
   6 #include "LString.h"
   7 #include "gettext.h"
   8 #include "support/filetools.h"
   9 #include "lyx_gui_misc.h"
  10 #include "lyxlib.h"
  11
  12 class Path {
  13 public:
  14         ///
  15         Path(string const & path)
  16                 : popped_(false)
  17         {
  18                 if (!path.empty()) {
  19                         pushedDir_ = GetCWD();
  20                         if (pushedDir_.empty() || lyx::chdir(path.c_str())) {
  21                                 WriteFSAlert(_("Error: Could not change to directory: "),
  22                                              path);
  23                         }
  24                 } else {
  25                         popped_ = true;
  26                 }
  27         }
  28         ///
  29         ~Path()
  30         {
  31                 if (!popped_) pop();
  32         }
  33         ///
  34         int pop()
  35         {
  36                 if (popped_) {
  37                         WriteFSAlert(_("Error: Dir already popped: "),
  38                                      pushedDir_);
  39                         return 0;
  40                 }
  41                 if (lyx::chdir(pushedDir_.c_str())) {
  42                         WriteFSAlert(
  43                                 _("Error: Could not change to directory: "),
  44                                 pushedDir_);
  45                 }
  46                 popped_ = true;
  47                 return 0;
  48         }
  49 private:
  50         ///
  51         bool popped_;
  52         ///
  53         string pushedDir_;
  54 };
  55
  56 #endif