src/frontends/controllers/helper_funcs.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 2001 The LyX Team.
   7  *
   8  * ======================================================
   9  *
  10  * \file helper_funcs.C
  11  * \author Angus Leeming <a.leeming@ic.ac.uk>
  12  */
  13
  14 #include <vector>
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19
  20 #include <config.h>
  21 #include "LString.h"
  22 #include "helper_funcs.h"
  23
  24 #include "frontends/FileDialog.h"
  25 #include "support/filetools.h" // OnlyPath, OnlyFilename
  26 #include "support/lstrings.h"
  27 #include "gettext.h" // _()
  28 #include "frontends/Alert.h"
  29
  30 using std::pair;
  31 using std::vector;
  32 using std::make_pair;
  33
  34
  35 string const getStringFromVector(vector<string> const & vec,
  36                                  string const & delim)
  37 {
  38         string str;
  39         int i = 0;
  40         for (vector<string>::const_iterator it = vec.begin();
  41              it != vec.end(); ++it) {
  42                 string item = strip(frontStrip(*it));
  43                 if (item.empty()) continue;
  44
  45                 if (i++ > 0) str += delim;
  46                 str += item;
  47         }
  48         return str;
  49 }
  50
  51 vector<string> const getVectorFromString(string const & str,
  52                                          string const & delim)
  53 {
  54         vector<string> vec;
  55         if (str.empty())
  56                 return vec;
  57
  58         string keys(strip(str));
  59
  60         for(;;) {
  61                 string::size_type const idx = keys.find(delim);
  62                 if (idx == string::npos) {
  63                         vec.push_back(frontStrip(keys));
  64                         break;
  65                 }
  66
  67                 string const key = strip(frontStrip(keys.substr(0, idx)));
  68                 if (!key.empty())
  69                         vec.push_back(key);
  70
  71                 string::size_type const start = idx + delim.size();
  72                 keys = keys.substr(start);
  73         }
  74
  75         return vec;
  76 }
  77
  78 string const browseFile(LyXView * lv, string const & filename,
  79                         string const & title,
  80                         string const & pattern,
  81                         pair<string,string> const & dir1,
  82                         pair<string,string> const & dir2)
  83 {
  84         string lastPath = ".";
  85         if (!filename.empty())
  86                 lastPath = OnlyPath(filename);
  87
  88         FileDialog fileDlg(lv, title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
  89
  90         FileDialog::Result result;
  91
  92         while (1) {
  93                 result = fileDlg.Select(lastPath, pattern, OnlyFilename(filename));
  94
  95                 if (result.second.empty())
  96                         return result.second;
  97
  98                 lastPath = OnlyPath(result.second);
  99
 100                 if (result.second.find_first_of("#~$% ") == string::npos)
 101                         break;
 102
 103                 Alert::alert(_("Filename can't contain any "
 104                         "of these characters:"),
 105                         _("space, '#', '~', '$' or '%'."));
 106         }
 107
 108         return result.second;
 109 }
 110
 111
 112 string const browseRelFile(LyXView * lv, string const & filename,
 113                         string const & refpath,
 114                         string const & title,
 115                         string const & pattern,
 116                         pair<string,string> const & dir1,
 117                         pair<string,string> const & dir2)
 118 {
 119         string const fname = MakeAbsPath(filename, refpath);
 120
 121         string const outname = browseFile(lv, fname, title, pattern,
 122                                           dir1, dir2);
 123         string const reloutname = MakeRelPath(outname, refpath);
 124         if(prefixIs(reloutname, "../"))
 125                 return outname;
 126         else
 127                 return reloutname;
 128 }
 129
 130
 131 // sorry this is just a temporary hack we should include vspace.h! (Jug)
 132 extern const char * stringFromUnit(int);
 133
 134 vector<string> const getLatexUnits()
 135 {
 136         vector<string> units;
 137         const char * str;
 138         for(int i=0; (str = stringFromUnit(i)); ++i)
 139             units.push_back(str);
 140
 141         return units;
 142 }