src/importer.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "importer.h"
  14 #include "converter.h"
  15 #include "format.h"
  16 #include "frontends/LyXView.h"
  17 #include "funcrequest.h"
  18
  19 #include "bufferlist.h"
  20 #include "support/filetools.h"
  21 #include "frontends/Alert.h"
  22 #include "gettext.h"
  23 #include "BufferView.h"
  24
  25 #include "BoostFormat.h"
  26
  27 #include <algorithm>
  28
  29 using std::vector;
  30 using std::find;
  31
  32 extern BufferList bufferlist;
  33 extern void InsertAsciiFile(BufferView *, string const &, bool);
  34
  35
  36 bool Importer::Import(LyXView * lv, string const & filename,
  37                       string const & format)
  38 {
  39         string const displaypath = MakeDisplayPath(filename);
  40         ostringstream s1;
  41 #if USE_BOOST_FORMAT
  42         s1 << boost::format(_("Importing %1$s...")) % displaypath;
  43 #else
  44         s1 << _("Importing ") << displaypath << _("...");
  45 #endif
  46         lv->message(STRCONV(s1.str()));
  47
  48         string const lyxfile = ChangeExtension(filename, ".lyx");
  49
  50         string loader_format;
  51         vector<string> loaders = Loaders();
  52         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  53                 for (vector<string>::const_iterator it = loaders.begin();
  54                      it != loaders.end(); ++it) {
  55                         if (converters.isReachable(format, *it)) {
  56                                 if (!converters.convert(0, filename, filename,
  57                                                         format, *it))
  58                                         return false;
  59                                 loader_format = *it;
  60                                 break;
  61                         }
  62                 }
  63                 if (loader_format.empty()) {
  64 #if USE_BOOST_FORMAT
  65                         Alert::alert(_("Cannot import file"),
  66                                      boost::io::str(boost::format(_("No information for importing from %1$s"))
  67                                    % formats.prettyName(format)));
  68 #else
  69                         Alert::alert(_("Cannot import file"),
  70                                      _("No information for importing from ")
  71                                      + formats.prettyName(format));
  72 #endif
  73                         return false;
  74                 }
  75         } else
  76                 loader_format = format;
  77
  78
  79         if (loader_format == "lyx") {
  80                 Buffer * buffer = bufferlist.loadLyXFile(lyxfile);
  81                 if (buffer)
  82                         lv->view()->buffer(buffer);
  83         } else {
  84                 lv->view()->buffer(bufferlist.newFile(lyxfile, string(), true));
  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().get(), 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 }