src/importer.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include <algorithm>
  18
  19 #include "importer.h"
  20 #include "converter.h"
  21 #include "LyXView.h"
  22 #include "lyxfunc.h"
  23
  24 #include "bufferlist.h"
  25 #include "support/filetools.h"
  26 #include "lyx_gui_misc.h" //WriteAlert
  27 #include "gettext.h"
  28
  29 using std::vector;
  30 using std::find;
  31
  32 extern BufferList bufferlist;
  33 extern void InsertAsciiFile(BufferView *, string const &, bool);
  34
  35
  36 bool Importer::Import(LyXView * lv, string const & filename,
  37                       string const & format)
  38 {
  39         string const displaypath = MakeDisplayPath(filename);
  40         string const s1 = _("Importing") + ' ' + displaypath + "...";
  41         lv->message(s1);
  42
  43         string const lyxfile = ChangeExtension(filename, ".lyx");
  44
  45         string loader_format;
  46         vector<string> loaders = Loaders();
  47         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  48                 for (vector<string>::const_iterator it = loaders.begin();
  49                      it != loaders.end(); ++it) {
  50                         if (converters.IsReachable(format, *it)) {
  51                                 if (!converters.Convert(0, filename, filename,
  52                                                         format, *it))
  53                                         return false;
  54                                 loader_format = *it;
  55                                 break;
  56                         }
  57                 }
  58                 if (loader_format.empty()) {
  59                         WriteAlert(_("Can not import file"),
  60                                    _("No information for importing from ")
  61                                    + formats.PrettyName(format));
  62                         return false;
  63                 }
  64         } else
  65                 loader_format = format;
  66
  67
  68         if (loader_format == "lyx") {
  69                 Buffer * buffer = bufferlist.loadLyXFile(lyxfile);
  70                 if (buffer)
  71                         lv->view()->buffer(buffer);
  72         } else {
  73                 lv->view()->buffer(bufferlist.newFile(lyxfile, string(), true));
  74                 bool as_paragraphs = loader_format == "textparagraph";
  75                 string filename2 = (loader_format == format) ? filename
  76                         : ChangeExtension(filename,
  77                                           formats.Extension(loader_format));
  78                 InsertAsciiFile(lv->view(), filename2, as_paragraphs);
  79                 lv->getLyXFunc()->Dispatch(LFUN_MARK_OFF);
  80         }
  81
  82         // we are done
  83         lv->message(_("imported."));
  84         return true;
  85 }
  86
  87
  88 #if 0
  89 bool Importer::IsImportable(string const & format)
  90 {
  91         vector<string> loaders = Loaders();
  92         for (vector<string>::const_iterator it = loaders.begin();
  93              it != loaders.end(); ++it)
  94                 if (converters.IsReachable(format, *it))
  95                         return true;
  96         return false;
  97 }
  98 #endif
  99
 100
 101 vector<Format const *> const Importer::GetImportableFormats()
 102 {
 103         vector<string> loaders = Loaders();
 104         vector<Format const *> result =
 105                 converters.GetReachableTo(loaders[0], true);
 106         for (vector<string>::const_iterator it = loaders.begin() + 1;
 107              it != loaders.end(); ++it) {
 108                 vector<Format const *> r =
 109                         converters.GetReachableTo(*it, false);
 110                 result.insert(result.end(), r.begin(), r.end());
 111         }
 112         return result;
 113 }
 114
 115
 116 vector<string> const Importer::Loaders()
 117 {
 118         vector<string> v;
 119         v.push_back("lyx");
 120         v.push_back("text");
 121         v.push_back("textparagraph");
 122         return v;
 123 }