protected void printUsageDelegate(
CommandSession session,
Object action,
Map<Option, Field> optionsMap,
Map<Argument, Field> argsMap,
PrintStream out) {
Command command = action.getClass().getAnnotation(Command.class);
Terminal term = session != null ? (Terminal) session.get(".jline.terminal") : null;
List<Argument> arguments = new ArrayList<Argument>(argsMap.keySet());
Collections.sort(
arguments,
new Comparator<Argument>() {
public int compare(Argument o1, Argument o2) {
return Integer.valueOf(o1.index()).compareTo(Integer.valueOf(o2.index()));
}
});
String commandName = command != null ? command.name() : name;
String commandScope = command != null ? command.scope() : scope;
String commandDescription =
command != null ? command.description() : "No description available for " + name + ".";
String commandDetailedDescription = command != null ? command.detailedDescription() : "";
Set<Option> options = new TreeSet<Option>(CommandArguments.OPTION_COMPARATOR);
options.addAll(optionsMap.keySet());
options.add(HELP);
boolean globalScope = NameScoping.isGlobalScope(session, scope);
out.println(
Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("DESCRIPTION").a(Ansi.Attribute.RESET));
out.print(" ");
if (commandName != null) {
if (globalScope) {
out.println(
Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a(commandName).a(Ansi.Attribute.RESET));
} else {
out.println(
Ansi.ansi()
.a(commandScope)
.a(":")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(commandName)
.a(Ansi.Attribute.RESET));
}
out.println();
}
String description = commandDescription;
if (isBlank(description)) {
description = "No description available for " + name + ".";
}
out.print("\t");
out.println(description);
out.println();
out.println("\tLoaded from");
out.println("\t" + scriptFile);
out.println();
StringBuffer syntax = new StringBuffer();
if (globalScope) {
syntax.append(commandName);
} else {
syntax.append(String.format("%s:%s", commandScope, commandName));
}
if (options.size() > 0) {
syntax.append(" [options]");
}
if (arguments.size() > 0) {
syntax.append(' ');
for (Argument argument : arguments) {
if (!argument.required()) {
syntax.append(String.format("[%s] ", argument.name()));
} else {
syntax.append(String.format("%s ", argument.name()));
}
}
}
out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("SYNTAX").a(Ansi.Attribute.RESET));
out.print(" ");
out.println(syntax.toString());
out.println();
if (arguments.size() > 0) {
out.println(
Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("ARGUMENTS").a(Ansi.Attribute.RESET));
for (Argument argument : arguments) {
out.print(" ");
out.println(
Ansi.ansi()
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(argument.name())
.a(Ansi.Attribute.RESET));
printFormatted(
" ", argument.description(), term != null ? term.getWidth() : 80, out);
if (!argument.required()) {
if (argument.valueToShowInHelp() != null && argument.valueToShowInHelp().length() != 0) {
try {
if (Argument.DEFAULT_STRING.equals(argument.valueToShowInHelp())) {
argsMap.get(argument).setAccessible(true);
Object o = argsMap.get(argument).get(action);
printObjectDefaultsTo(out, o);
} else {
printDefaultsTo(out, argument.valueToShowInHelp());
}
} catch (Throwable t) {
// Ignore
}
}
}
}
out.println();
}
if (options.size() > 0) {
out.println(
Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("OPTIONS").a(Ansi.Attribute.RESET));
for (Option option : options) {
String opt = option.name();
for (String alias : option.aliases()) {
opt += ", " + alias;
}
out.print(" ");
out.println(Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a(opt).a(Ansi.Attribute.RESET));
printFormatted(
" ", option.description(), term != null ? term.getWidth() : 80, out);
if (option.valueToShowInHelp() != null && option.valueToShowInHelp().length() != 0) {
try {
if (Option.DEFAULT_STRING.equals(option.valueToShowInHelp())) {
optionsMap.get(option).setAccessible(true);
Object o = optionsMap.get(option).get(action);
printObjectDefaultsTo(out, o);
} else {
printDefaultsTo(out, option.valueToShowInHelp());
}
} catch (Throwable t) {
// Ignore
}
}
}
out.println();
}
if (commandDetailedDescription.length() > 0) {
out.println(
Ansi.ansi().a(Ansi.Attribute.INTENSITY_BOLD).a("DETAILS").a(Ansi.Attribute.RESET));
String desc = loadDescription(action.getClass(), commandDetailedDescription);
printFormattedFixed(" ", desc, term != null ? term.getWidth() : 80, out);
}
}
