public void run() {
//
String welcome = shell.getWelcome();
writer.println(welcome);
writer.flush();
//
while (true) {
String prompt = getPrompt();
String line;
try {
writer.println();
writer.flush();
if ((line = reader.readLine(prompt)) == null) {
break;
}
} catch (IOException e) {
// What should we do other than that ?
break;
}
//
ShellProcess process = shell.createProcess(line);
JLineProcessContext context = new JLineProcessContext(this);
current.set(process);
try {
process.execute(context);
try {
context.latch.await();
} catch (InterruptedException ignore) {
// At the moment
}
} finally {
current.set(null);
}
ShellResponse response = context.resp.get();
//
if (response instanceof ShellResponse.Cancelled) {
// Do nothing
} else if (response instanceof ShellResponse.Close) {
break;
} else {
response.getReader().writeAnsiTo(writer);
writer.flush();
}
}
}
public int complete(String buffer, int cursor, List<CharSequence> candidates) {
String prefix = buffer.substring(0, cursor);
CommandCompletion completion = shell.complete(prefix);
ValueCompletion vc = completion.getValue();
if (vc.isEmpty()) {
return -1;
}
Delimiter delimiter = completion.getDelimiter();
for (Map.Entry<String, Boolean> entry : vc) {
StringBuilder sb = new StringBuilder();
sb.append(vc.getPrefix());
try {
delimiter.escape(entry.getKey(), sb);
if (entry.getValue()) {
sb.append(completion.getDelimiter().getValue());
}
candidates.add(sb.toString());
} catch (IOException ignore) {
}
}
return cursor - vc.getPrefix().length();
}
String getPrompt() {
String prompt = shell.getPrompt();
return prompt == null ? "% " : prompt;
}