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 pdf_mode = false;
  31
  32 bool Exporter::Export(Buffer * buffer, string const & format,
  33                       bool put_in_tempdir, string & result_file)
  34 {
  35         // There are so many different places that this function can be called
  36         // from that the removal of auto insets is best done here.  This ensures
  37         // we always have a clean buffer for inserting errors found during export.
  38         BufferView * bv = buffer->getUser();
  39         if (bv) {
  40                 // Remove all error insets
  41                 if (bv->removeAutoInsets()) {
  42 #warning repaint() or update() or nothing ?
  43                         bv->repaint();
  44                         bv->fitCursor();
  45                 }
  46         }
  47
  48         string backend_format;
  49         vector<string> backends = Backends(buffer);
  50         if (find(backends.begin(), backends.end(), format) == backends.end()) {
  51                 for (vector<string>::const_iterator it = backends.begin();
  52                      it != backends.end(); ++it) {
  53                         Graph::EdgePath p =
  54                                 converters.getPath(*it, format);
  55                         if (!p.empty()) {
  56                                 pdf_mode = converters.usePdflatex(p);
  57                                 backend_format = *it;
  58                                 break;
  59                         }
  60                 }
  61                 if (backend_format.empty()) {
  62 #if USE_BOOST_FORMAT
  63 // FIXME: better english ...
  64                         Alert::error(_("Couldn't export file"),
  65                                      boost::io::str(boost::format(_("No information for exporting the format %1$s."))
  66                                    % formats.prettyName(format)));
  67 #else
  68                         Alert::error(_("Couldn't export file"),
  69                                      _("No information for exporting the format ")
  70                                      + formats.prettyName(format) + ".");
  71 #endif
  72                         return false;
  73                 }
  74         } else
  75                 backend_format = format;
  76
  77         string filename = buffer->getLatexName(false);
  78         if (!buffer->tmppath.empty())
  79                 filename = AddName(buffer->tmppath, filename);
  80         filename = ChangeExtension(filename,
  81                                    formats.extension(backend_format));
  82
  83         // Ascii backend
  84         if (backend_format == "text")
  85                 buffer->writeFileAscii(filename, lyxrc.ascii_linelen);
  86         // Linuxdoc backend
  87         else if (buffer->isLinuxDoc())
  88                 buffer->makeLinuxDocFile(filename, !put_in_tempdir);
  89         // Docbook backend
  90         else if (buffer->isDocBook())
  91                 buffer->makeDocBookFile(filename, !put_in_tempdir);
  92         // LaTeX backend
  93         else if (backend_format == format)
  94                 buffer->makeLaTeXFile(filename, string(), true);
  95         else if (contains(buffer->filePath(), ' ')) {
  96                 Alert::error(_("File name error"),
  97                            _("The directory path to the document cannot contain spaces."));
  98                 return false;
  99         } else
 100                 buffer->makeLaTeXFile(filename, buffer->filePath(), false);
 101
 102         string outfile_base = (put_in_tempdir)
 103                 ? filename : buffer->getLatexName(false);
 104
 105         if (!converters.convert(buffer, filename, outfile_base,
 106                                 backend_format, format, result_file))
 107                 return false;
 108
 109         if (!put_in_tempdir)
 110                 ShowMessage(buffer,
 111                             _("Document exported as ")
 112                             + formats.prettyName(format)
 113                             + _(" to file `")
 114                             + MakeDisplayPath(result_file) +'\'');
 115         return true;
 116 }
 117
 118
 119 bool Exporter::Export(Buffer * buffer, string const & format,
 120                       bool put_in_tempdir)
 121 {
 122         string result_file;
 123         return Export(buffer, format, put_in_tempdir, result_file);
 124 }
 125
 126
 127 bool Exporter::Preview(Buffer * buffer, string const & format)
 128 {
 129         string result_file;
 130         if (!Export(buffer, format, true, result_file))
 131                 return false;
 132         return formats.view(buffer, result_file, format);
 133 }
 134
 135
 136 bool Exporter::IsExportable(Buffer const * buffer, string const & format)
 137 {
 138         vector<string> backends = Backends(buffer);
 139         for (vector<string>::const_iterator it = backends.begin();
 140              it != backends.end(); ++it)
 141                 if (converters.isReachable(*it, format))
 142                         return true;
 143         return false;
 144 }
 145
 146
 147 vector<Format const *> const
 148 Exporter::GetExportableFormats(Buffer const * buffer, bool only_viewable)
 149 {
 150         vector<string> backends = Backends(buffer);
 151         vector<Format const *> result =
 152                 converters.getReachable(backends[0], only_viewable, true);
 153         for (vector<string>::const_iterator it = backends.begin() + 1;
 154              it != backends.end(); ++it) {
 155                 vector<Format const *>  r =
 156                         converters.getReachable(*it, only_viewable, false);
 157                 result.insert(result.end(), r.begin(), r.end());
 158         }
 159         return result;
 160 }
 161
 162
 163 string const Exporter::BufferFormat(Buffer const * buffer)
 164 {
 165         if (buffer->isLinuxDoc())
 166                 return "linuxdoc";
 167         else if (buffer->isDocBook())
 168                 return "docbook";
 169         else if (buffer->isLiterate())
 170                 return "literate";
 171         else
 172                 return "latex";
 173 }
 174
 175
 176 vector<string> const Exporter::Backends(Buffer const * buffer)
 177 {
 178         vector<string> v;
 179         v.push_back(BufferFormat(buffer));
 180         v.push_back("text");
 181         return v;
 182 }