src/importer.C

   1 /**
   2  * \file importer.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  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "importer.h"
  16 #include "converter.h"
  17 #include "format.h"
  18 #include "frontends/LyXView.h"
  19 #include "funcrequest.h"
  20 #include "lyx_cb.h"
  21
  22 #include "bufferlist.h"
  23 #include "support/filetools.h"
  24 #include "frontends/Alert.h"
  25 #include "gettext.h"
  26 #include "BufferView.h"
  27 #include "buffer_funcs.h"
  28
  29 using lyx::docstring;
  30 using lyx::support::bformat;
  31 using lyx::support::changeExtension;
  32 using lyx::support::makeDisplayPath;
  33
  34 using std::find;
  35 using std::string;
  36 using std::vector;
  37
  38
  39 extern BufferList bufferlist;
  40
  41
  42 bool Importer::Import(LyXView * lv, string const & filename,
  43                       string const & format, ErrorList & errorList)
  44 {
  45         docstring const displaypath = makeDisplayPath(filename);
  46         lv->message(bformat(_("Importing %1$s..."), displaypath));
  47
  48         string const lyxfile = changeExtension(filename, ".lyx");
  49
  50         string loader_format;
  51         vector<string> loaders = Loaders();
  52         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  53                 for (vector<string>::const_iterator it = loaders.begin();
  54                      it != loaders.end(); ++it) {
  55                         if (converters.isReachable(format, *it)) {
  56                                 if (!converters.convert(0, filename, filename,
  57                                                         format, *it, errorList))
  58                                         return false;
  59                                 loader_format = *it;
  60                                 break;
  61                         }
  62                 }
  63                 if (loader_format.empty()) {
  64                         Alert::error(_("Couldn't import file"),
  65                                      bformat(_("No information for importing the format %1$s."),
  66                                          formats.prettyName(format)));
  67                         return false;
  68                 }
  69         } else
  70                 loader_format = format;
  71
  72
  73         if (loader_format == "lyx") {
  74                 lv->loadLyXFile(lyxfile);
  75         } else {
  76                 Buffer * const b = newFile(lyxfile, string(), true);
  77                 if (b)
  78                         lv->setBuffer(b);
  79                 else
  80                         return false;
  81                 bool as_paragraphs = loader_format == "textparagraph";
  82                 string filename2 = (loader_format == format) ? filename
  83                         : changeExtension(filename,
  84                                           formats.extension(loader_format));
  85                 insertAsciiFile(lv->view(), filename2, as_paragraphs);
  86                 lv->dispatch(FuncRequest(LFUN_MARK_OFF));
  87         }
  88
  89         // we are done
  90         lv->message(_("imported."));
  91         return true;
  92 }
  93
  94
  95 vector<Format const *> const Importer::GetImportableFormats()
  96 {
  97         vector<string> loaders = Loaders();
  98         vector<Format const *> result =
  99                 converters.getReachableTo(loaders[0], true);
 100         for (vector<string>::const_iterator it = loaders.begin() + 1;
 101              it != loaders.end(); ++it) {
 102                 vector<Format const *> r =
 103                         converters.getReachableTo(*it, false);
 104                 result.insert(result.end(), r.begin(), r.end());
 105         }
 106         return result;
 107 }
 108
 109
 110 vector<string> const Importer::Loaders()
 111 {
 112         vector<string> v;
 113         v.push_back("lyx");
 114         v.push_back("text");
 115         v.push_back("textparagraph");
 116         return v;
 117 }