@NotNull
public static IpnbFile parseIpnbFile(
@NotNull final CharSequence fileText, @NotNull final VirtualFile virtualFile)
throws IOException {
final String path = virtualFile.getPath();
IpnbFileRaw rawFile = gson.fromJson(fileText.toString(), IpnbFileRaw.class);
if (rawFile == null) {
int nbformat = isIpythonNewFormat(virtualFile) ? 4 : 3;
return new IpnbFile(Collections.emptyMap(), nbformat, Lists.newArrayList(), path);
}
List<IpnbCell> cells = new ArrayList<IpnbCell>();
final IpnbWorksheet[] worksheets = rawFile.worksheets;
if (worksheets == null) {
for (IpnbCellRaw rawCell : rawFile.cells) {
cells.add(rawCell.createCell());
}
} else {
for (IpnbWorksheet worksheet : worksheets) {
final List<IpnbCellRaw> rawCells = worksheet.cells;
for (IpnbCellRaw rawCell : rawCells) {
cells.add(rawCell.createCell());
}
}
}
return new IpnbFile(rawFile.metadata, rawFile.nbformat, cells, path);
}
public IpnbCell createCell() {
final IpnbCell cell;
if (cell_type.equals("markdown")) {
cell = new IpnbMarkdownCell(source, metadata);
} else if (cell_type.equals("code")) {
final List<IpnbOutputCell> outputCells = new ArrayList<IpnbOutputCell>();
for (CellOutputRaw outputRaw : outputs) {
outputCells.add(outputRaw.createOutput());
}
final Integer prompt = prompt_number != null ? prompt_number : execution_count;
cell =
new IpnbCodeCell(
language == null ? "python" : language,
input == null ? source : input,
prompt,
outputCells,
metadata);
} else if (cell_type.equals("raw")) {
cell = new IpnbRawCell(source);
} else if (cell_type.equals("heading")) {
cell = new IpnbHeadingCell(source, level, metadata);
} else {
cell = null;
}
return cell;
}