/**
* Perform the action of the plugin.
*
* @param document the current document.
*/
public boolean perform(Document document) throws IOException {
// Interact with the user to get the layer tag/
Tag layerTag = getLayerTagFromUser(document);
if (layerTag == null) return false; // User cancled.
Tag endTag = new Tag(layerTag.getName(), false);
// Get the output stream to hold the new document text.
PrintWriter out = new PrintWriter(document.getOutput());
// Create a lexical stream to tokenize the old document text.
LexicalStream in = new LexicalStream(new SelectedHTMLReader(document.getInput(), out));
for (; ; ) {
// Get the next token of the document.
Token token = in.next();
if (token == null) break; // Null means we've finished the document.
else if (token instanceof Comment) {
Comment comment = (Comment) token;
if (comment.isSelectionStart()) {
out.print(layerTag);
} else if (comment.isSelectionEnd()) {
out.print(comment);
out.print(endTag);
continue; // So comment isn't printed twice.
}
}
out.print(token);
}
out.close();
return true;
}
void load(DataInput dis) throws IOException {
tags.clear();
Tag tag;
while ((tag = Tag.readNamedTag(dis)).getId() != Tag.TAG_End) {
tags.put(tag.getName(), tag);
}
}
private void putTag(final String key, final Tag tag) {
final String[] parts =
(String[])
Iterables.toArray(
Splitter.on('.').split((CharSequence) this.createRelativeKey(key)),
(Class) String.class);
Map<String, Tag> parent = NBTStorage.this.root;
for (int i = 0; i < parts.length - 1; ++i) {
if (!parent.containsKey(parts[i]) || !(parent.get(parts[i]) instanceof CompoundTag)) {
parent.put(parts[i], new CompoundTag(parts[i]));
}
parent = parent.get(parts[i]).getValue();
}
parent.put(tag.getName(), tag);
}
private static boolean renameWorld(String worldname, String newname) {
if (isLoaded(worldname)) return false;
Tag t = getData(worldname);
if (t == null) return false;
t = t.findTagByName("Data");
if (t == null || t.getType() != Type.TAG_Compound) return false;
int i = 0;
for (Tag tt : (Tag[]) t.getValue()) {
if (tt.getName().equals("LevelName")) {
t.removeTag(i);
t.insertTag(new Tag(Type.TAG_String, "LevelName", newname), i);
break;
}
i++;
}
return setData(worldname, t);
}