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 "frontends/LyXView.h"
  16 #include "funcrequest.h"
  17
  18 #include "bufferlist.h"
  19 #include "support/filetools.h"
  20 #include "frontends/Alert.h"
  21 #include "gettext.h"
  22 #include "BufferView.h"
  23
  24 #include "BoostFormat.h"
  25
  26 #include <algorithm>
  27
  28 using std::vector;
  29 using std::find;
  30
  31 extern BufferList bufferlist;
  32 extern void InsertAsciiFile(BufferView *, string const &, bool);
  33
  34
  35 bool Importer::Import(LyXView * lv, string const & filename,
  36                       string const & format)
  37 {
  38         string const displaypath = MakeDisplayPath(filename);
  39         ostringstream s1;
  40 #if USE_BOOST_FORMAT
  41         s1 << boost::format(_("Importing %1$s...")) % displaypath;
  42 #else
  43         s1 << _("Importing ") << displaypath << _("...");
  44 #endif
  45         lv->message(STRCONV(s1.str()));
  46
  47         string const lyxfile = ChangeExtension(filename, ".lyx");
  48
  49         string loader_format;
  50         vector<string> loaders = Loaders();
  51         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
  52                 for (vector<string>::const_iterator it = loaders.begin();
  53                      it != loaders.end(); ++it) {
  54                         if (converters.isReachable(format, *it)) {
  55                                 if (!converters.convert(0, filename, filename,
  56                                                         format, *it))
  57                                         return false;
  58                                 loader_format = *it;
  59                                 break;
  60                         }
  61                 }
  62                 if (loader_format.empty()) {
  63 #if USE_BOOST_FORMAT
  64                         Alert::alert(_("Cannot import file"),
  65                                      boost::io::str(boost::format(_("No information for importing from %1$s"))
  66                                    % formats.prettyName(format)));
  67 #else
  68                         Alert::alert(_("Cannot import file"),
  69                                      _("No information for importing from ")
  70                                      + formats.prettyName(format));
  71 #endif
  72                         return false;
  73                 }
  74         } else
  75                 loader_format = format;
  76
  77
  78         if (loader_format == "lyx") {
  79                 Buffer * buffer = bufferlist.loadLyXFile(lyxfile);
  80                 if (buffer)
  81                         lv->view()->buffer(buffer);
  82         } else {
  83                 lv->view()->buffer(bufferlist.newFile(lyxfile, string(), true));
  84                 bool as_paragraphs = loader_format == "textparagraph";
  85                 string filename2 = (loader_format == format) ? filename
  86                         : ChangeExtension(filename,
  87                                           formats.extension(loader_format));
  88                 InsertAsciiFile(lv->view().get(), filename2, as_paragraphs);
  89                 lv->dispatch(FuncRequest(LFUN_MARK_OFF));
  90         }
  91
  92         // we are done
  93         lv->message(_("imported."));
  94         return true;
  95 }
  96
  97
  98 vector<Format const *> const Importer::GetImportableFormats()
  99 {
 100         vector<string> loaders = Loaders();
 101         vector<Format const *> result =
 102                 converters.getReachableTo(loaders[0], true);
 103         for (vector<string>::const_iterator it = loaders.begin() + 1;
 104              it != loaders.end(); ++it) {
 105                 vector<Format const *> r =
 106                         converters.getReachableTo(*it, false);
 107                 result.insert(result.end(), r.begin(), r.end());
 108         }
 109         return result;
 110 }
 111
 112
 113 vector<string> const Importer::Loaders()
 114 {
 115         vector<string> v;
 116         v.push_back("lyx");
 117         v.push_back("text");
 118         v.push_back("textparagraph");
 119         return v;
 120 }