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::support::bformat;
  30 using lyx::support::changeExtension;
  31 using lyx::support::makeDisplayPath;
  32
  33 using std::find;
  34 using std::string;
  35 using std::vector;
  36
  37
  38 extern BufferList bufferlist;
  39
  40
  41 bool Importer::Import(LyXView * lv, string const & filename,
  42                       string const & format, ErrorList & errorList)
  43 {
  44         string const displaypath = makeDisplayPath(filename);
  45         lv->message(bformat(lyx::to_utf8(_("Importing %1$s...")), displaypath));
  46
  47         string const lyxfile = changeExtension(filename, ".lyx");
  48
  49         string loader_format;
  50         vector<string> loaders = Loaders();
  51         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  52                 for (vector<string>::const_iterator it = loaders.begin();
  53                      it != loaders.end(); ++it) {
  54                         if (converters.isReachable(format, *it)) {
  55                                 if (!converters.convert(0, filename, filename,
  56                                                         format, *it, errorList))
  57                                         return false;
  58                                 loader_format = *it;
  59                                 break;
  60                         }
  61                 }
  62                 if (loader_format.empty()) {
  63                         Alert::error(lyx::to_utf8(_("Couldn't import file")),
  64                                      bformat(lyx::to_utf8(_("No information for importing the format %1$s.")),
  65                                          formats.prettyName(format)));
  66                         return false;
  67                 }
  68         } else
  69                 loader_format = format;
  70
  71
  72         if (loader_format == "lyx") {
  73                 lv->loadLyXFile(lyxfile);
  74         } else {
  75                 Buffer * const b = newFile(lyxfile, string(), true);
  76                 if (b)
  77                         lv->setBuffer(b);
  78                 else
  79                         return false;
  80                 bool as_paragraphs = loader_format == "textparagraph";
  81                 string filename2 = (loader_format == format) ? filename
  82                         : changeExtension(filename,
  83                                           formats.extension(loader_format));
  84                 insertAsciiFile(lv->view(), filename2, as_paragraphs);
  85                 lv->dispatch(FuncRequest(LFUN_MARK_OFF));
  86         }
  87
  88         // we are done
  89         lv->message(lyx::to_utf8(_("imported.")));
  90         return true;
  91 }
  92
  93
  94 vector<Format const *> const Importer::GetImportableFormats()
  95 {
  96         vector<string> loaders = Loaders();
  97         vector<Format const *> result =
  98                 converters.getReachableTo(loaders[0], true);
  99         for (vector<string>::const_iterator it = loaders.begin() + 1;
 100              it != loaders.end(); ++it) {
 101                 vector<Format const *> r =
 102                         converters.getReachableTo(*it, false);
 103                 result.insert(result.end(), r.begin(), r.end());
 104         }
 105         return result;
 106 }
 107
 108
 109 vector<string> const Importer::Loaders()
 110 {
 111         vector<string> v;
 112         v.push_back("lyx");
 113         v.push_back("text");
 114         v.push_back("textparagraph");
 115         return v;
 116 }