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 "support/filetools.h"
  23
  24 #include "frontends/Alert.h"
  25
  26 #include "gettext.h"
  27 #include "BufferView.h"
  28 #include "buffer_funcs.h"
  29
  30
  31 namespace lyx {
  32
  33 using support::bformat;
  34 using support::changeExtension;
  35 using support::makeDisplayPath;
  36
  37 using std::find;
  38 using std::string;
  39 using std::vector;
  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$s..."), displaypath));
  47
  48         string const lyxfile = changeExtension(filename, ".lyx");
  49
  50         string loader_format;
  51         vector<string> loaders = Loaders();
  52         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  53                 for (vector<string>::const_iterator it = loaders.begin();
  54                      it != loaders.end(); ++it) {
  55                         if (converters.isReachable(format, *it)) {
  56                                 string const tofile =
  57                                         changeExtension(filename,
  58                                                 formats.extension(*it));
  59                                 if (!converters.convert(0, filename, tofile,
  60                                                         filename, format, *it, errorList))
  61                                         return false;
  62                                 loader_format = *it;
  63                                 break;
  64                         }
  65                 }
  66                 if (loader_format.empty()) {
  67                         frontend::Alert::error(_("Couldn't import file"),
  68                                      bformat(_("No information for importing the format %1$s."),
  69                                          formats.prettyName(format)));
  70                         return false;
  71                 }
  72         } else {
  73                 loader_format = format;
  74         }
  75
  76
  77         if (loader_format == "lyx") {
  78                 lv->loadLyXFile(lyxfile);
  79         } else {
  80                 Buffer * const b = newFile(lyxfile, string(), true);
  81                 if (b)
  82                         lv->setBuffer(b);
  83                 else
  84                         return false;
  85                 bool as_paragraphs = loader_format == "textparagraph";
  86                 string filename2 = (loader_format == format) ? filename
  87                         : changeExtension(filename,
  88                                           formats.extension(loader_format));
  89                 insertAsciiFile(lv->view(), filename2, as_paragraphs);
  90                 lv->dispatch(FuncRequest(LFUN_MARK_OFF));
  91         }
  92
  93         // we are done
  94         lv->message(_("imported."));
  95         return true;
  96 }
  97
  98
  99 vector<Format const *> const Importer::GetImportableFormats()
 100 {
 101         vector<string> loaders = Loaders();
 102         vector<Format const *> result =
 103                 converters.getReachableTo(loaders[0], true);
 104         for (vector<string>::const_iterator it = loaders.begin() + 1;
 105              it != loaders.end(); ++it) {
 106                 vector<Format const *> r =
 107                         converters.getReachableTo(*it, false);
 108                 result.insert(result.end(), r.begin(), r.end());
 109         }
 110         return result;
 111 }
 112
 113
 114 vector<string> const Importer::Loaders()
 115 {
 116         vector<string> v;
 117         v.push_back("lyx");
 118         v.push_back("text");
 119         v.push_back("textparagraph");
 120         return v;
 121 }
 122
 123
 124 } // namespace lyx