lyx_mirror/src/importer.C
André Pönitz 808973619b the lfun3 patches (overall cleanup and "localizing" dispatch() in mathed)
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4958 a592a061-630c-0410-9148-cb99ea01b6c8
2002-08-13 17:43:40 +00:00

113 lines
2.8 KiB
C

/* 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 "importer.h"
#include "converter.h"
#include "frontends/LyXView.h"
#include "funcrequest.h"
#include "bufferlist.h"
#include "support/filetools.h"
#include "frontends/Alert.h"
#include "gettext.h"
#include "BufferView.h"
using std::vector;
using std::find;
extern BufferList bufferlist;
extern void InsertAsciiFile(BufferView *, string const &, bool);
bool Importer::Import(LyXView * lv, string const & filename,
string const & format)
{
string const displaypath = MakeDisplayPath(filename);
ostringstream s1;
s1 << _("Importing") << ' ' << displaypath << "...";
lv->message(s1.str().c_str());
string const lyxfile = ChangeExtension(filename, ".lyx");
string loader_format;
vector<string> loaders = Loaders();
if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
for (vector<string>::const_iterator it = loaders.begin();
it != loaders.end(); ++it) {
if (converters.isReachable(format, *it)) {
if (!converters.convert(0, filename, filename,
format, *it))
return false;
loader_format = *it;
break;
}
}
if (loader_format.empty()) {
Alert::alert(_("Cannot import file"),
_("No information for importing from ")
+ formats.prettyName(format));
return false;
}
} else
loader_format = format;
if (loader_format == "lyx") {
Buffer * buffer = bufferlist.loadLyXFile(lyxfile);
if (buffer)
lv->view()->buffer(buffer);
} else {
lv->view()->buffer(bufferlist.newFile(lyxfile, string(), true));
bool as_paragraphs = loader_format == "textparagraph";
string filename2 = (loader_format == format) ? filename
: ChangeExtension(filename,
formats.extension(loader_format));
InsertAsciiFile(lv->view().get(), filename2, as_paragraphs);
lv->dispatch(FuncRequest(LFUN_MARK_OFF));
}
// we are done
lv->message(_("imported."));
return true;
}
vector<Format const *> const Importer::GetImportableFormats()
{
vector<string> loaders = Loaders();
vector<Format const *> result =
converters.getReachableTo(loaders[0], true);
for (vector<string>::const_iterator it = loaders.begin() + 1;
it != loaders.end(); ++it) {
vector<Format const *> r =
converters.getReachableTo(*it, false);
result.insert(result.end(), r.begin(), r.end());
}
return result;
}
vector<string> const Importer::Loaders()
{
vector<string> v;
v.push_back("lyx");
v.push_back("text");
v.push_back("textparagraph");
return v;
}