src/exporter.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 #include <config.h>
  12
  13 #include <algorithm>
  14
  15 #include "exporter.h"
  16 #include "buffer.h"
  17 #include "lyx_cb.h" //ShowMessage()
  18 #include "support/filetools.h"
  19 #include "support/BoostFormat.h"
  20 #include "lyxrc.h"
  21 #include "converter.h"
  22 #include "format.h"
  23 #include "frontends/Alert.h"
  24 #include "gettext.h"
  25 #include "BufferView.h"
  26
  27 using std::vector;
  28 using std::find;
  29
  30 bool Exporter::Export(Buffer * buffer, string const & format,
  31                       bool put_in_tempdir, string & result_file)
  32 {
  33         // There are so many different places that this function can be called
  34         // from that the removal of auto insets is best done here.  This ensures
  35         // we always have a clean buffer for inserting errors found during export.
  36         BufferView * bv = buffer->getUser();
  37         if (bv) {
  38                 // Remove all error insets
  39                 if (bv->removeAutoInsets()) {
  40 #warning repaint() or update() or nothing ?
  41                         bv->repaint();
  42                         bv->fitCursor();
  43                 }
  44         }
  45
  46         string backend_format;
  47         vector<string> backends = Backends(buffer);
  48         if (find(backends.begin(), backends.end(), format) == backends.end()) {
  49                 for (vector<string>::const_iterator it = backends.begin();
  50                      it != backends.end(); ++it) {
  51                         Graph::EdgePath p =
  52                                 converters.getPath(*it, format);
  53                         if (!p.empty()) {
  54                                 lyxrc.pdf_mode = converters.usePdflatex(p);
  55                                 backend_format = *it;
  56                                 break;
  57                         }
  58                 }
  59                 if (backend_format.empty()) {
  60 #if USE_BOOST_FORMAT
  61 // FIXME: better english ...
  62                         Alert::error(_("Couldn't export file"),
  63                                      boost::io::str(boost::format(_("No information for exporting the format %1$s."))
  64                                    % formats.prettyName(format)));
  65 #else
  66                         Alert::error(_("Couldn't export file"),
  67                                      _("No information for exporting the format ")
  68                                      + formats.prettyName(format) + ".");
  69 #endif
  70                         return false;
  71                 }
  72         } else
  73                 backend_format = format;
  74
  75         string filename = buffer->getLatexName(false);
  76         if (!buffer->tmppath.empty())
  77                 filename = AddName(buffer->tmppath, filename);
  78         filename = ChangeExtension(filename,
  79                                    formats.extension(backend_format));
  80
  81         // Ascii backend
  82         if (backend_format == "text")
  83                 buffer->writeFileAscii(filename, lyxrc.ascii_linelen);
  84         // Linuxdoc backend
  85         else if (buffer->isLinuxDoc())
  86                 buffer->makeLinuxDocFile(filename, !put_in_tempdir);
  87         // Docbook backend
  88         else if (buffer->isDocBook())
  89                 buffer->makeDocBookFile(filename, !put_in_tempdir);
  90         // LaTeX backend
  91         else if (backend_format == format)
  92                 buffer->makeLaTeXFile(filename, string(), true);
  93         else if (contains(buffer->filePath(), ' ')) {
  94                 Alert::error(_("File name error"),
  95                            _("The directory path to the document cannot contain spaces."));
  96                 return false;
  97         } else
  98                 buffer->makeLaTeXFile(filename, buffer->filePath(), false);
  99
 100         string outfile_base = (put_in_tempdir)
 101                 ? filename : buffer->getLatexName(false);
 102
 103         if (!converters.convert(buffer, filename, outfile_base,
 104                                 backend_format, format, result_file))
 105                 return false;
 106
 107         if (!put_in_tempdir)
 108                 ShowMessage(buffer,
 109                             _("Document exported as ")
 110                             + formats.prettyName(format)
 111                             + _(" to file `")
 112                             + MakeDisplayPath(result_file) +'\'');
 113         return true;
 114 }
 115
 116
 117 bool Exporter::Export(Buffer * buffer, string const & format,
 118                       bool put_in_tempdir)
 119 {
 120         string result_file;
 121         return Export(buffer, format, put_in_tempdir, result_file);
 122 }
 123
 124
 125 bool Exporter::Preview(Buffer * buffer, string const & format)
 126 {
 127         string result_file;
 128         if (!Export(buffer, format, true, result_file))
 129                 return false;
 130         return formats.view(buffer, result_file, format);
 131 }
 132
 133
 134 bool Exporter::IsExportable(Buffer const * buffer, string const & format)
 135 {
 136         vector<string> backends = Backends(buffer);
 137         for (vector<string>::const_iterator it = backends.begin();
 138              it != backends.end(); ++it)
 139                 if (converters.isReachable(*it, format))
 140                         return true;
 141         return false;
 142 }
 143
 144
 145 vector<Format const *> const
 146 Exporter::GetExportableFormats(Buffer const * buffer, bool only_viewable)
 147 {
 148         vector<string> backends = Backends(buffer);
 149         vector<Format const *> result =
 150                 converters.getReachable(backends[0], only_viewable, true);
 151         for (vector<string>::const_iterator it = backends.begin() + 1;
 152              it != backends.end(); ++it) {
 153                 vector<Format const *>  r =
 154                         converters.getReachable(*it, only_viewable, false);
 155                 result.insert(result.end(), r.begin(), r.end());
 156         }
 157         return result;
 158 }
 159
 160
 161 string const Exporter::BufferFormat(Buffer const * buffer)
 162 {
 163         if (buffer->isLinuxDoc())
 164                 return "linuxdoc";
 165         else if (buffer->isDocBook())
 166                 return "docbook";
 167         else if (buffer->isLiterate())
 168                 return "literate";
 169         else
 170                 return "latex";
 171 }
 172
 173
 174 vector<string> const Exporter::Backends(Buffer const * buffer)
 175 {
 176         vector<string> v;
 177         v.push_back(BufferFormat(buffer));
 178         v.push_back("text");
 179         return v;
 180 }