bool ConvertLegacyProjectFile(wxFileName filename)
{
wxTextFile f;
XMLFileWriter xmlFile;
int index = 0;
wxString backupName;
do {
index++;
fflush(stdout);
backupName = filename.GetPath() + wxFILE_SEP_PATH + filename.GetName() +
wxT("_bak") + wxString::Format(wxT("%d"), index) + wxT(".") + filename.GetExt();
} while(::wxFileExists(backupName));
// This will move the original file out of the way, but
// move it back if we exit from this function early.
AutoRollbackRenamer renamer(filename.GetFullPath(), backupName);
if (!renamer.RenameSucceeded())
return false;
f.Open(backupName);
if (!f.IsOpened())
return false;
wxString name = filename.GetFullPath();
try
{
xmlFile.Open(name, wxT("wb"));
}
catch (XMLFileWriterException* pException)
{
delete pException;
return false;
}
renamer.SetNewFile(xmlFile.fp());
try
{
xmlFile.Write(wxT("<?xml version=\"1.0\"?>\n"));
wxString label;
wxString value;
if (f.GetFirstLine() != wxT("AudacityProject"))
return false;
if (f.GetNextLine() != wxT("Version"))
return false;
if (f.GetNextLine() != wxT("0.95"))
return false;
if (f.GetNextLine() != wxT("projName"))
return false;
xmlFile.StartTag(wxT("audacityproject"));
xmlFile.WriteAttr(wxT("projname"), f.GetNextLine());
xmlFile.WriteAttr(wxT("version"), wxT("1.1.0"));
xmlFile.WriteAttr(wxT("audacityversion"),AUDACITY_VERSION_STRING);
label = f.GetNextLine();
while (label != wxT("BeginTracks")) {
xmlFile.WriteAttr(label, f.GetNextLine());
label = f.GetNextLine();
}
label = f.GetNextLine();
while (label != wxT("EndTracks")) {
bool success = ConvertLegacyTrack(&f, xmlFile);
if (!success)
return false;
label = f.GetNextLine();
}
xmlFile.EndTag(wxT("audacityproject"));
xmlFile.Close();
}
catch (XMLFileWriterException* pException)
{
// Error writing XML file (e.g. disk full)
delete pException;
return false;
}
renamer.Finished();
::wxMessageBox(wxString::Format(_("Converted a 1.0 project file to the new format.\nThe old file has been saved as '%s'"), backupName.c_str()),
_("Opening Audacity Project"));
return true;
}
