src/Importer.cpp

   1 /**
   2  * \file Importer.cpp
   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
  21 #include "support/filetools.h"
  22
  23 #include "frontends/alert.h"
  24
  25 #include "gettext.h"
  26 #include "BufferView.h"
  27 #include "buffer_funcs.h"
  28
  29 using std::find;
  30 using std::string;
  31 using std::vector;
  32
  33
  34 namespace lyx {
  35
  36 using support::bformat;
  37 using support::changeExtension;
  38 using support::FileName;
  39 using support::makeDisplayPath;
  40 using frontend::LyXView;
  41
  42
  43 bool Importer::Import(LyXView * lv, FileName const & filename,
  44                       string const & format, ErrorList & errorList)
  45 {
  46         docstring const displaypath = makeDisplayPath(filename.absFilename());
  47         lv->message(bformat(_("Importing %1$s..."), displaypath));
  48
  49         FileName const lyxfile(changeExtension(filename.absFilename(), ".lyx"));
  50
  51         string loader_format;
  52         vector<string> loaders = Loaders();
  53         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  54                 for (vector<string>::const_iterator it = loaders.begin();
  55                      it != loaders.end(); ++it) {
  56                         if (theConverters().isReachable(format, *it)) {
  57                                 string const tofile =
  58                                         changeExtension(filename.absFilename(),
  59                                                 formats.extension(*it));
  60                                 if (!theConverters().convert(0, filename, FileName(tofile),
  61                                                         filename, format, *it, errorList))
  62                                         return false;
  63                                 loader_format = *it;
  64                                 break;
  65                         }
  66                 }
  67                 if (loader_format.empty()) {
  68                         frontend::Alert::error(_("Couldn't import file"),
  69                                      bformat(_("No information for importing the format %1$s."),
  70                                          formats.prettyName(format)));
  71                         return false;
  72                 }
  73         } else {
  74                 loader_format = format;
  75         }
  76
  77
  78         if (loader_format == "lyx") {
  79                 Buffer * buf = lv->loadLyXFile(lyxfile);
  80                 if (!buf) {
  81                         // we are done
  82                         lv->message(_("file not imported!"));
  83                         return false;
  84                 }
  85                 updateLabels(*buf);
  86                 lv->setBuffer(buf);
  87                 lv->showErrorList("Parse");
  88         } else {
  89                 Buffer * const b = newFile(lyxfile.absFilename(), string(), true);
  90                 if (b)
  91                         lv->setBuffer(b);
  92                 else
  93                         return false;
  94                 bool as_paragraphs = loader_format == "textparagraph";
  95                 string filename2 = (loader_format == format) ? filename.absFilename()
  96                         : changeExtension(filename.absFilename(),
  97                                           formats.extension(loader_format));
  98                 lv->view()->insertPlaintextFile(filename2, as_paragraphs);
  99                 lv->dispatch(FuncRequest(LFUN_MARK_OFF));
 100         }
 101
 102         // we are done
 103         lv->message(_("imported."));
 104         return true;
 105 }
 106
 107
 108 vector<Format const *> const Importer::GetImportableFormats()
 109 {
 110         vector<string> loaders = Loaders();
 111         vector<Format const *> result =
 112                 theConverters().getReachableTo(loaders[0], true);
 113         for (vector<string>::const_iterator it = loaders.begin() + 1;
 114              it != loaders.end(); ++it) {
 115                 vector<Format const *> r =
 116                         theConverters().getReachableTo(*it, false);
 117                 result.insert(result.end(), r.begin(), r.end());
 118         }
 119         return result;
 120 }
 121
 122
 123 vector<string> const Importer::Loaders()
 124 {
 125         vector<string> v;
 126         v.push_back("lyx");
 127         v.push_back("text");
 128         v.push_back("textparagraph");
 129         return v;
 130 }
 131
 132
 133 } // namespace lyx