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
  11 class Path {
  12 public:
  13         ///
  14         Path(string const & path)
  15                 : popped_(false)
  16         {
  17                 if (!path.empty()) {
  18                         pushedDir_ = GetCWD();
  19                         if (pushedDir_.empty() || chdir(path.c_str())) {
  20                                 WriteFSAlert(_("Error: Could not change to directory: "),
  21                                              path);
  22                         }
  23                 } else {
  24                         popped_ = true;
  25                 }
  26         }
  27         ///
  28         ~Path()
  29         {
  30                 if (!popped_) pop();
  31         }
  32         ///
  33         int pop()
  34         {
  35                 if (popped_) {
  36                         WriteFSAlert(_("Error: Dir already popped: "),
  37                                      pushedDir_);
  38                         return 0;
  39                 }
  40                 if (chdir(pushedDir_.c_str())) {
  41                         WriteFSAlert(
  42                                 _("Error: Could not change to directory: "),
  43                                 pushedDir_);
  44                 }
  45                 popped_ = true;
  46                 return 0;
  47         }
  48 private:
  49         ///
  50         bool popped_;
  51         ///
  52         string pushedDir_;
  53 };
  54
  55 #endif