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 "support/BoostFormat.h"
  27
  28 #include <algorithm>
  29
  30 using std::vector;
  31 using std::find;
  32
  33 extern BufferList bufferlist;
  34 extern void InsertAsciiFile(BufferView *, string const &, bool);
  35
  36
  37 bool Importer::Import(LyXView * lv, string const & filename,
  38                       string const & format)
  39 {
  40         string const displaypath = MakeDisplayPath(filename);
  41         ostringstream s1;
  42 #if USE_BOOST_FORMAT
  43         s1 << boost::format(_("Importing %1$s...")) % displaypath;
  44 #else
  45         s1 << _("Importing ") << displaypath << _("...");
  46 #endif
  47         lv->message(STRCONV(s1.str()));
  48
  49         string const lyxfile = ChangeExtension(filename, ".lyx");
  50
  51         string loader_format;
  52         vector<string> loaders = Loaders();
  53         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  54                 for (vector<string>::const_iterator it = loaders.begin();
  55                      it != loaders.end(); ++it) {
  56                         if (converters.isReachable(format, *it)) {
  57                                 if (!converters.convert(0, filename, filename,
  58                                                         format, *it))
  59                                         return false;
  60                                 loader_format = *it;
  61                                 break;
  62                         }
  63                 }
  64                 if (loader_format.empty()) {
  65 #if USE_BOOST_FORMAT
  66 // FIXME: better english ...
  67                         Alert::error(_("Couldn't import file"),
  68                                      boost::io::str(boost::format(_("No information for importing the format %1$s."))
  69                                    % formats.prettyName(format)));
  70 #else
  71                         Alert::error(_("Couldn't import file"),
  72                                      _("No information for importing the format ")
  73                                      + formats.prettyName(format) + ".");
  74 #endif
  75                         return false;
  76                 }
  77         } else
  78                 loader_format = format;
  79
  80
  81         if (loader_format == "lyx") {
  82                 Buffer * buffer = bufferlist.loadLyXFile(lyxfile);
  83                 if (buffer)
  84                         lv->view()->buffer(buffer);
  85         } else {
  86                 lv->view()->buffer(bufferlist.newFile(lyxfile, string(), true));
  87                 bool as_paragraphs = loader_format == "textparagraph";
  88                 string filename2 = (loader_format == format) ? filename
  89                         : ChangeExtension(filename,
  90                                           formats.extension(loader_format));
  91                 InsertAsciiFile(lv->view().get(), filename2, as_paragraphs);
  92                 lv->dispatch(FuncRequest(LFUN_MARK_OFF));
  93         }
  94
  95         // we are done
  96         lv->message(_("imported."));
  97         return true;
  98 }
  99
 100
 101 vector<Format const *> const Importer::GetImportableFormats()
 102 {
 103         vector<string> loaders = Loaders();
 104         vector<Format const *> result =
 105                 converters.getReachableTo(loaders[0], true);
 106         for (vector<string>::const_iterator it = loaders.begin() + 1;
 107              it != loaders.end(); ++it) {
 108                 vector<Format const *> r =
 109                         converters.getReachableTo(*it, false);
 110                 result.insert(result.end(), r.begin(), r.end());
 111         }
 112         return result;
 113 }
 114
 115
 116 vector<string> const Importer::Loaders()
 117 {
 118         vector<string> v;
 119         v.push_back("lyx");
 120         v.push_back("text");
 121         v.push_back("textparagraph");
 122         return v;
 123 }