src/exporter.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "exporter.h"
  18 #include "converter.h"
  19 #include "buffer.h"
  20 #include "lyx_cb.h" //ShowMessage()
  21 #include "support/filetools.h"
  22 #include "lyxrc.h"
  23
  24 using std::vector;
  25 using std::pair;
  26
  27 bool Exporter::Export(Buffer * buffer, string const & format0,
  28                       bool put_in_tempdir, string * view_file)
  29 {
  30         string format;
  31         string using_format = Converter::SplitFormat(format0, format);
  32
  33         string backend_format = (format == "txt")
  34                 ? format : BufferExtension(buffer);
  35         bool only_backend = backend_format == format;
  36
  37         string filename = buffer->getLatexName(false);
  38         if (!buffer->tmppath.empty())
  39                 filename = AddName(buffer->tmppath, filename);
  40         filename = ChangeExtension(filename, backend_format);
  41
  42         // Ascii backend
  43         if (backend_format == "txt")
  44                 buffer->writeFileAscii(filename, lyxrc.ascii_linelen);
  45         // Linuxdoc backend
  46         else if (buffer->isLinuxDoc())
  47                 buffer->makeLinuxDocFile(filename, true);
  48         // Docbook backend
  49         else if (buffer->isDocBook())
  50                 buffer->makeDocBookFile(filename, true);
  51         // LaTeX backend
  52         else if (only_backend)
  53                 buffer->makeLaTeXFile(filename, string(), true);
  54         else
  55                 buffer->makeLaTeXFile(filename, buffer->filepath, false);
  56
  57         string outfile = (put_in_tempdir)
  58                 ? ChangeExtension(filename, format)
  59                 : ChangeExtension(buffer->getLatexName(false), format);
  60
  61         if (!Converter::Convert(buffer, filename, outfile, using_format,
  62                                 view_file))
  63                 return false;
  64
  65         if (!put_in_tempdir)
  66                 ShowMessage(buffer,
  67                             _("Document exported as ")
  68                             + Formats::PrettyName(format)
  69                             + _(" to file `")
  70                             + MakeDisplayPath(outfile) +'\'');
  71         return true;
  72 }
  73
  74
  75 bool Exporter::Preview(Buffer * buffer, string const & format0)
  76 {
  77         string view_file;
  78         if (!Export(buffer, format0, true, &view_file))
  79                 return false;
  80
  81         return Formats::View(buffer, view_file);
  82 }
  83
  84
  85 bool Exporter::IsExportable(Buffer const * buffer, string const & format)
  86 {
  87 #warning This is not efficient (Dekel)
  88         vector<pair<string, string> > const v = GetExportableFormats(buffer);
  89         for (vector<pair<string, string> >::const_iterator it = v.begin();
  90              it != v.end(); ++it) {
  91                 string format2;
  92                 split((*it).first, format2, ':');
  93                 if (format == format2)
  94                         return true;
  95         }
  96         return false;
  97 }
  98
  99 vector<pair<string, string> > const
 100 Exporter::GetExportableFormats(Buffer const * buffer)
 101 {
 102         vector<pair<string, string> > result =
 103                 Converter::GetReachable(BufferExtension(buffer), false);
 104         result.push_back(pair<string,string>("txt", "Ascii"));
 105         return result;
 106 }
 107
 108
 109 vector<pair<string, string> > const
 110 Exporter::GetViewableFormats(Buffer const * buffer)
 111 {
 112         vector<pair<string, string> > result =
 113                 Converter::GetReachable(BufferExtension(buffer), true);
 114         Format * format = Formats::GetFormat("txt");
 115         if (format && !format->viewer.empty())
 116                 result.push_back(pair<string,string>("txt", "Ascii"));
 117         return result;
 118 }
 119
 120
 121 string const Exporter::BufferExtension(Buffer const * buffer)
 122 {
 123         if (buffer->isLinuxDoc())
 124                 return "sgml";
 125         else if (buffer->isDocBook())
 126                 return "docbook";
 127         else if (buffer->isLiterate())
 128                 return lyxrc.literate_extension;
 129         else
 130                 return "tex";
 131 }