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