bool FileContainerTemporary::save_temporary() const
{
xmlpp::Document document;
xmlpp::Element *root = document.create_root_node("temporary-container");
root->add_child("container-filename")->set_child_text(container_filename_);
xmlpp::Element *files = root->add_child("files");
for(FileMap::const_iterator i = files_.begin(); i != files_.end(); i++)
{
xmlpp::Element *entry = files->add_child("entry");
entry->add_child("name")->set_child_text(i->second.name);
entry->add_child("tmp-basename")->set_child_text(basename(i->second.tmp_filename));
entry->add_child("is-directory")->set_child_text(i->second.is_directory ? "true" : "false");
entry->add_child("is-removed")->set_child_text(i->second.is_removed ? "true" : "false");
}
FileSystem::WriteStreamHandle stream =
file_system_->get_write_stream(
get_temporary_directory()
+ get_temporary_filename_base());
if (!stream) return false;
stream = new ZWriteStream(stream);
try
{
document.write_to_stream_formatted(*stream, "UTF-8");
}
catch(...)
{
synfig::error("FileContainerTemporary::save_temporary(): Caught unknown exception");
return false;
}
stream.reset();
return true;
}
bool
synfig::save_canvas(const FileSystem::Identifier &identifier, Canvas::ConstHandle canvas, bool safe)
{
ChangeLocale change_locale(LC_NUMERIC, "C");
synfig::String tmp_filename(safe ? identifier.filename+".TMP" : identifier.filename);
try
{
assert(canvas);
xmlpp::Document document;
encode_canvas_toplevel(document.create_root_node("canvas"),canvas);
FileSystem::WriteStreamHandle stream = identifier.file_system->get_write_stream(tmp_filename);
if (!stream)
{
synfig::error("synfig::save_canvas(): Unable to open file for write");
return false;
}
if (filename_extension(identifier.filename) == ".sifz")
stream = FileSystem::WriteStreamHandle(new ZWriteStream(stream));
document.write_to_stream_formatted(*stream, "UTF-8");
// close stream
stream.reset();
if (safe)
{
#ifdef _WIN32
// On Win32 platforms, rename() has bad behavior. work around it.
char old_file[80]="sif.XXXXXXXX";
mktemp(old_file);
identifier.file_system->file_rename(identifier.filename,old_file);
if(!identifier.file_system->file_rename(tmp_filename,identifier.filename))
{
identifier.file_system->file_rename(old_file,tmp_filename);
synfig::error("synfig::save_canvas(): Unable to rename file to correct filename");
return false;
}
identifier.file_system->file_remove(old_file);
#else
if(!identifier.file_system->file_rename(tmp_filename, identifier.filename))
{
synfig::error("synfig::save_canvas(): Unable to rename file to correct filename");
return false;
}
#endif
}
}
catch(...) {
synfig::error("synfig::save_canvas(): Caught unknown exception");
return false;
}
return true;
}
bool
synfig::save_canvas(const FileSystem::Identifier &identifier, Canvas::ConstHandle canvas, bool safe)
{
ChangeLocale change_locale(LC_NUMERIC, "C");
synfig::String tmp_filename(safe ? identifier.filename+".TMP" : identifier.filename);
try
{
assert(canvas);
xmlpp::Document document;
encode_canvas_toplevel(document.create_root_node("canvas"),canvas);
FileSystem::WriteStreamHandle stream = identifier.file_system->get_write_stream(tmp_filename);
if (!stream)
{
synfig::error("synfig::save_canvas(): Unable to open file for write");
return false;
}
if (filename_extension(identifier.filename) == ".sifz")
stream = FileSystem::WriteStreamHandle(new ZWriteStream(stream));
document.write_to_stream_formatted(*stream, "UTF-8");
// close stream
stream.reset();
if (safe)
{
if(!identifier.file_system->file_rename(tmp_filename, identifier.filename))
{
synfig::error("synfig::save_canvas(): Unable to rename file to correct filename");
return false;
}
}
}
catch(...) { synfig::error("synfig::save_canvas(): Caught unknown exception"); return false; }
return true;
}