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