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 "buffer.h"
  19 #include "lyx_cb.h" //ShowMessage()
  20 #include "support/filetools.h"
  21 #include "lyxrc.h"
  22 #include "converter.h"
  23
  24 using std::vector;
  25
  26 bool Exporter::Export(Buffer * buffer, string const & format0,
  27                       bool put_in_tempdir, string & result_file)
  28 {
  29         string format;
  30         string using_format = Converter::SplitFormat(format0, format);
  31
  32         string backend_format = (format == "text")
  33                 ? format : BufferFormat(buffer);
  34         bool only_backend = backend_format == format;
  35
  36         string filename = buffer->getLatexName(false);
  37         if (!buffer->tmppath.empty())
  38                 filename = AddName(buffer->tmppath, filename);
  39         filename = ChangeExtension(filename,
  40                                    formats.Extension(backend_format));
  41
  42         // Ascii backend
  43         if (backend_format == "text")
  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_base = (put_in_tempdir)
  58                 ? filename : buffer->getLatexName(false);
  59
  60         if (!Converter::Convert(buffer, filename, outfile_base,
  61                                 backend_format, format, using_format,
  62                                 result_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(result_file) +'\'');
  71         return true;
  72 }
  73
  74 bool Exporter::Export(Buffer * buffer, string const & format,
  75                       bool put_in_tempdir)
  76 {
  77         string result_file;
  78         return Export(buffer, format, put_in_tempdir, result_file);
  79 }
  80
  81 bool Exporter::Preview(Buffer * buffer, string const & format0)
  82 {
  83         string result_file;
  84         if (!Export(buffer, format0, true, result_file))
  85                 return false;
  86         string format;
  87         Converter::SplitFormat(format0, format);
  88         return formats.View(buffer, result_file, format);
  89 }
  90
  91
  92 bool Exporter::IsExportable(Buffer const * buffer, string const & format)
  93 {
  94         return format == "text" ||
  95                 Converter::IsReachable(BufferFormat(buffer), format);
  96 }
  97
  98
  99 vector<FormatPair> const
 100 Exporter::GetExportableFormats(Buffer const * buffer, bool only_viewable)
 101 {
 102         vector<FormatPair> result =
 103                 Converter::GetReachable(BufferFormat(buffer), only_viewable);
 104         Format * format = formats.GetFormat("text");
 105         if (format && (!only_viewable || !format->viewer.empty()))
 106                 result.push_back(FormatPair(format , 0, ""));
 107         return result;
 108 }
 109
 110
 111 string const Exporter::BufferFormat(Buffer const * buffer)
 112 {
 113         if (buffer->isLinuxDoc())
 114                 return "linuxdoc";
 115         else if (buffer->isDocBook())
 116                 return "docbook";
 117         else if (buffer->isLiterate())
 118                 return "literate";
 119         else
 120                 return "latex";
 121 }