src/importer.C

   1 /**
   2  * \file exporter.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author unknown
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11
  12 #include <config.h>
  13
  14 #include "importer.h"
  15 #include "converter.h"
  16 #include "format.h"
  17 #include "frontends/LyXView.h"
  18 #include "funcrequest.h"
  19
  20 #include "bufferlist.h"
  21 #include "support/filetools.h"
  22 #include "frontends/Alert.h"
  23 #include "gettext.h"
  24 #include "BufferView.h"
  25
  26 #include <algorithm>
  27
  28 using std::vector;
  29 using std::find;
  30
  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         lv->message(bformat(_("Importing %1$s..."), displaypath));
  41
  42         string const lyxfile = ChangeExtension(filename, ".lyx");
  43
  44         string loader_format;
  45         vector<string> loaders = Loaders();
  46         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  47                 for (vector<string>::const_iterator it = loaders.begin();
  48                      it != loaders.end(); ++it) {
  49                         if (converters.isReachable(format, *it)) {
  50                                 if (!converters.convert(0, filename, filename,
  51                                                         format, *it))
  52                                         return false;
  53                                 loader_format = *it;
  54                                 break;
  55                         }
  56                 }
  57                 if (loader_format.empty()) {
  58                         Alert::error(_("Couldn't import file"),
  59                                      bformat(_("No information for importing the format %1$s."),
  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().get(), filename2, as_paragraphs);
  78                 lv->dispatch(FuncRequest(LFUN_MARK_OFF));
  79         }
  80
  81         // we are done
  82         lv->message(_("imported."));
  83         return true;
  84 }
  85
  86
  87 vector<Format const *> const Importer::GetImportableFormats()
  88 {
  89         vector<string> loaders = Loaders();
  90         vector<Format const *> result =
  91                 converters.getReachableTo(loaders[0], true);
  92         for (vector<string>::const_iterator it = loaders.begin() + 1;
  93              it != loaders.end(); ++it) {
  94                 vector<Format const *> r =
  95                         converters.getReachableTo(*it, false);
  96                 result.insert(result.end(), r.begin(), r.end());
  97         }
  98         return result;
  99 }
 100
 101
 102 vector<string> const Importer::Loaders()
 103 {
 104         vector<string> v;
 105         v.push_back("lyx");
 106         v.push_back("text");
 107         v.push_back("textparagraph");
 108         return v;
 109 }