src/importer.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 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         ostringstream s1;
  41         s1 << _("Importing") << ' ' << displaypath << "...";
  42         lv->message(s1.str().c_str());
  43
  44         string const lyxfile = ChangeExtension(filename, ".lyx");
  45
  46         string loader_format;
  47         vector<string> loaders = Loaders();
  48         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  49                 for (vector<string>::const_iterator it = loaders.begin();
  50                      it != loaders.end(); ++it) {
  51                         if (converters.IsReachable(format, *it)) {
  52                                 if (!converters.Convert(0, filename, filename,
  53                                                         format, *it))
  54                                         return false;
  55                                 loader_format = *it;
  56                                 break;
  57                         }
  58                 }
  59                 if (loader_format.empty()) {
  60                         WriteAlert(_("Can not import file"),
  61                                    _("No information for importing from ")
  62                                    + formats.PrettyName(format));
  63                         return false;
  64                 }
  65         } else
  66                 loader_format = format;
  67
  68
  69         if (loader_format == "lyx") {
  70                 Buffer * buffer = bufferlist.loadLyXFile(lyxfile);
  71                 if (buffer)
  72                         lv->view()->buffer(buffer);
  73         } else {
  74                 lv->view()->buffer(bufferlist.newFile(lyxfile, string(), true));
  75                 bool as_paragraphs = loader_format == "textparagraph";
  76                 string filename2 = (loader_format == format) ? filename
  77                         : ChangeExtension(filename,
  78                                           formats.Extension(loader_format));
  79                 InsertAsciiFile(lv->view(), filename2, as_paragraphs);
  80                 lv->getLyXFunc()->Dispatch(LFUN_MARK_OFF);
  81         }
  82
  83         // we are done
  84         lv->message(_("imported."));
  85         return true;
  86 }
  87
  88
  89 #if 0
  90 bool Importer::IsImportable(string const & format)
  91 {
  92         vector<string> loaders = Loaders();
  93         for (vector<string>::const_iterator it = loaders.begin();
  94              it != loaders.end(); ++it)
  95                 if (converters.IsReachable(format, *it))
  96                         return true;
  97         return false;
  98 }
  99 #endif
 100
 101
 102 vector<Format const *> const Importer::GetImportableFormats()
 103 {
 104         vector<string> loaders = Loaders();
 105         vector<Format const *> result =
 106                 converters.GetReachableTo(loaders[0], true);
 107         for (vector<string>::const_iterator it = loaders.begin() + 1;
 108              it != loaders.end(); ++it) {
 109                 vector<Format const *> r =
 110                         converters.GetReachableTo(*it, false);
 111                 result.insert(result.end(), r.begin(), r.end());
 112         }
 113         return result;
 114 }
 115
 116
 117 vector<string> const Importer::Loaders()
 118 {
 119         vector<string> v;
 120         v.push_back("lyx");
 121         v.push_back("text");
 122         v.push_back("textparagraph");
 123         return v;
 124 }