lyx_mirror/src/exporter.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include <algorithm>
#include "exporter.h"
#include "buffer.h"
#include "lyx_cb.h" //ShowMessage()
#include "support/filetools.h"
#include "lyxrc.h"
#include "converter.h"
#include "frontends/Alert.h"
#include "gettext.h"
#include "BufferView.h"
using std::vector;
using std::find;
bool Exporter::Export(Buffer * buffer, string const & format,
bool put_in_tempdir, string & result_file)
{
// There are so many different places that this function can be called
// from that the removal of auto insets is best done here. This ensures
// we always have a clean buffer for inserting errors found during export.
BufferView * bv = buffer->getUser();
if (bv) {
// Remove all error insets
if (bv->removeAutoInsets()) {
#warning repaint() or update() or nothing ?
bv->repaint();
bv->fitCursor();
}
}
string backend_format;
vector<string> backends = Backends(buffer);
if (find(backends.begin(), backends.end(), format) == backends.end()) {
for (vector<string>::const_iterator it = backends.begin();
it != backends.end(); ++it) {
Converters::EdgePath p =
converters.getPath(*it, format);
if (!p.empty()) {
lyxrc.pdf_mode = converters.usePdflatex(p);
backend_format = *it;
break;
}
}
if (backend_format.empty()) {
Alert::alert(_("Cannot export file"),
_("No information for exporting to ")
+ formats.prettyName(format));
return false;
}
} else
backend_format = format;
string filename = buffer->getLatexName(false);
if (!buffer->tmppath.empty())
filename = AddName(buffer->tmppath, filename);
filename = ChangeExtension(filename,
formats.extension(backend_format));
// Ascii backend
if (backend_format == "text")
buffer->writeFileAscii(filename, lyxrc.ascii_linelen);
// Linuxdoc backend
else if (buffer->isLinuxDoc())
buffer->makeLinuxDocFile(filename, !put_in_tempdir);
// Docbook backend
else if (buffer->isDocBook())
buffer->makeDocBookFile(filename, !put_in_tempdir);
// LaTeX backend
else if (backend_format == format)
buffer->makeLaTeXFile(filename, string(), true);
else if (contains(buffer->filePath(), ' ')) {
Alert::alert(_("Cannot run LaTeX."),
_("The path to the lyx file cannot contain spaces."));
return false;
} else
buffer->makeLaTeXFile(filename, buffer->filePath(), false);
string outfile_base = (put_in_tempdir)
? filename : buffer->getLatexName(false);
if (!converters.convert(buffer, filename, outfile_base,
backend_format, format, result_file))
return false;
if (!put_in_tempdir)
ShowMessage(buffer,
_("Document exported as ")
+ formats.prettyName(format)
+ _(" to file `")
+ MakeDisplayPath(result_file) +'\'');
return true;
}
bool Exporter::Export(Buffer * buffer, string const & format,
bool put_in_tempdir)
{
string result_file;
return Export(buffer, format, put_in_tempdir, result_file);
}
bool Exporter::Preview(Buffer * buffer, string const & format)
{
string result_file;
if (!Export(buffer, format, true, result_file))
return false;
return formats.view(buffer, result_file, format);
}
bool Exporter::IsExportable(Buffer const * buffer, string const & format)
{
vector<string> backends = Backends(buffer);
for (vector<string>::const_iterator it = backends.begin();
it != backends.end(); ++it)
if (converters.isReachable(*it, format))
return true;
return false;
}
vector<Format const *> const
Exporter::GetExportableFormats(Buffer const * buffer, bool only_viewable)
{
vector<string> backends = Backends(buffer);
vector<Format const *> result =
converters.getReachable(backends[0], only_viewable, true);
for (vector<string>::const_iterator it = backends.begin() + 1;
it != backends.end(); ++it) {
vector<Format const *> r =
converters.getReachable(*it, only_viewable, false);
result.insert(result.end(), r.begin(), r.end());
}
return result;
}
string const Exporter::BufferFormat(Buffer const * buffer)
{
if (buffer->isLinuxDoc())
return "linuxdoc";
else if (buffer->isDocBook())
return "docbook";
else if (buffer->isLiterate())
return "literate";
else
return "latex";
}
vector<string> const Exporter::Backends(Buffer const * buffer)
{
vector<string> v;
v.push_back(BufferFormat(buffer));
v.push_back("text");
return v;
}