/
ConsoleReader.java
719 lines (656 loc) · 30.1 KB
/
ConsoleReader.java
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package net.ME1312.Galaxi.Engine.Library;
import net.ME1312.Galaxi.Engine.GalaxiEngine;
import net.ME1312.Galaxi.Engine.Library.Log.SystemLogger;
import net.ME1312.Galaxi.Event.ConsoleChatEvent;
import net.ME1312.Galaxi.Event.CommandEvent;
import net.ME1312.Galaxi.Event.ConsoleInputEvent;
import net.ME1312.Galaxi.Galaxi;
import net.ME1312.Galaxi.Library.Callback.Callback;
import net.ME1312.Galaxi.Library.Container.Container;
import net.ME1312.Galaxi.Library.Container.NamedContainer;
import net.ME1312.Galaxi.Library.Util;
import net.ME1312.Galaxi.Plugin.Command.Command;
import net.ME1312.Galaxi.Plugin.Command.CommandSender;
import net.ME1312.Galaxi.Plugin.Command.CompletionHandler;
import net.ME1312.Galaxi.Plugin.Command.ConsoleCommandSender;
import net.ME1312.Galaxi.Plugin.PluginManager;
import org.jline.reader.*;
import org.jline.terminal.TerminalBuilder;
import java.awt.*;
import java.io.IOError;
import java.io.OutputStream;
import java.lang.reflect.InvocationTargetException;
import java.util.*;
import java.util.List;
import static net.ME1312.Galaxi.Engine.GalaxiOption.*;
/**
* Console Reader Class
*/
public class ConsoleReader {
private Container<Boolean> running;
private LineReader jline;
private Parser parser;
private Thread thread;
private OutputStream window;
private Callback<String> chat = null;
private GalaxiEngine engine;
/**
* Create a ConsoleReader
*
* @param engine GalaxiEngine
* @param status Status Container
*/
public ConsoleReader(GalaxiEngine engine, Container<Boolean> status) throws Exception {
this.engine = engine;
this.running = status;
TerminalBuilder jtb = TerminalBuilder.builder();
if (!USE_JLINE.def()) jtb.dumb(true);
if (!USE_ANSI.def()) jtb.jansi(false);
this.jline = LineReaderBuilder.builder()
.appName(engine.getAppInfo().getName())
.terminal(jtb.build())
.option(LineReader.Option.DISABLE_EVENT_EXPANSION, true)
.option(LineReader.Option.AUTO_PARAM_SLASH, false)
.option(LineReader.Option.AUTO_REMOVE_SLASH, false)
.parser(this.parser = new Parser())
.completer((reader, line, list) -> {
for (String s : ConsoleReader.this.complete(ConsoleCommandSender.get(), (ParsedCommand) line)) list.add(new Candidate(s));
}).build();
thread = new Thread(this::read, Galaxi.getInstance().getEngineInfo().getName() + "::Console_Reader");
Util.reflect(SystemLogger.class.getDeclaredMethod("start", LineReader.class), null, jline);
try {
if (SHOW_CONSOLE_WINDOW.usr().equalsIgnoreCase("true") || (SHOW_CONSOLE_WINDOW.usr().length() <= 0 && SHOW_CONSOLE_WINDOW.get() && System.console() == null)) {
openConsoleWindow(!(SHOW_CONSOLE_WINDOW.usr().equalsIgnoreCase("true") && System.console() != null));
}
} catch (Exception e) {
engine.getAppInfo().getLogger().error.println(e);
}
}
/**
* Set a chat listener (commands not starting with <b>/</b> will become chat messages)
*
* @param listener Chat Listener
*/
public void setChatListener(Callback<String> listener) {
this.chat = listener;
}
/**
* Open the Console Window
*
* @param exit Whether to exit when the user closes the window
*/
public void openConsoleWindow(boolean exit) {
if (!GraphicsEnvironment.isHeadless())
window = Util.getDespiteException(() -> (OutputStream) Class.forName("net.ME1312.Galaxi.Engine.Standalone.ConsoleWindow").getConstructor(ConsoleReader.class, boolean.class).newInstance(this, exit), null);
}
/**
* Close the Console Window
*/
public void closeConsoleWindow() {
if (window != null) Util.isException(() -> window.close());
window = null;
}
/**
* Complete a command
*
* @param command Command
* @return Auto Completions
*/
public List<String> complete(CommandSender sender, String command) {
if (Util.isNull(sender, command)) throw new NullPointerException();
return complete(sender, parseCommand(command));
}
/**
* Complete a command
*
* @param command Parsed Command
* @return Auto Completions
*/
public List<String> complete(CommandSender sender, ParsedCommand command) {
if (Util.isNull(sender, command)) throw new NullPointerException();
LinkedList<String> candidates = new LinkedList<String>();
if (command != null && command.line().codePoints().count() > 0 && (chat == null || command.isCommand())) {
LinkedList<String> arguments = command.words();
String label = arguments.getFirst();
arguments.removeFirst();
String[] args = arguments.toArray(new String[0]);
TreeMap<String, Command> commands;
try {
commands = Util.reflect(PluginManager.class.getDeclaredField("commands"), engine.getPluginManager());
} catch (Exception e) {
e.printStackTrace();
commands = new TreeMap<String, Command>();
}
if (command.wordIndex() <= 0) {
if (label.length() > 0)
for (String handle : commands.keySet())
if (handle.startsWith(label.toLowerCase()))
candidates.add(handle);
} else if (commands.keySet().contains(label.toLowerCase())) {
CompletionHandler autocompletor = commands.get(label.toLowerCase()).autocomplete();
if (autocompletor != null)
for (String autocomplete : autocompletor.complete(sender, label, args))
if (!Util.isNull(autocomplete) && autocomplete.length() > 0)
candidates.add(autocomplete);
}
}
return candidates;
}
private void read() {
try {
boolean interrupted = false;
do {
try {
String line;
while (running.get() && (line = jline.readLine((USE_JLINE.def())?">":"")) != null) {
if (!running.get() || line.replaceAll("\\s", "").length() == 0) continue;
input(line);
}
} catch (UserInterruptException e) {
if (!interrupted) {
interrupted = true;
new Thread(() -> {
engine.getAppInfo().getLogger().warn.println("Interrupt Received");
engine.stop();
}, Galaxi.getInstance().getEngineInfo().getName() + "::Process_Interrupt").start();
}
}
} while (running.get());
} catch (IOError e) {
} catch (Exception e) {
engine.getAppInfo().getLogger().error.println(e);
}
}
private void input(String line) {
if (Util.isNull(line)) throw new NullPointerException();
ConsoleInputEvent ie = new ConsoleInputEvent(engine, line);
engine.getPluginManager().executeEvent(ie);
if (!ie.isCancelled()) {
if (chat != null && !line.startsWith("/")) {
chat(Util.unescapeJavaString(line));
} else {
runCommand(ConsoleCommandSender.get(), line);
}
}
}
/**
* Send a chat message as Console
*
* @param message Message
*/
public void chat(String message) {
if (Util.isNull(message)) throw new NullPointerException();
if (Util.isNull(chat)) throw new IllegalStateException("No handler available for console chat messages");
try {
ConsoleChatEvent event = new ConsoleChatEvent(engine, message);
engine.getPluginManager().executeEvent(event);
if (!event.isCancelled()) chat.run(event.getMessage());
} catch (Exception e) {
engine.getAppInfo().getLogger().error.print(e);
}
}
/**
* Run a command
*
* @param sender Command Sender
* @param command Command
*/
public void runCommand(CommandSender sender, String command) {
if (Util.isNull(sender, command)) throw new NullPointerException();
runCommand(sender, parseCommand(command));
}
/**
* Run a command
*
* @param sender Command Sender
* @param command Parsed Command
*/
@SuppressWarnings("unchecked")
public void runCommand(CommandSender sender, ParsedCommand command) {
if (Util.isNull(sender, command)) throw new NullPointerException();
LinkedList<String> arguments = command.words();
String label = arguments.getFirst();
arguments.removeFirst();
if (command.rawWordLength() <= 0) arguments.removeLast();
String[] args = arguments.toArray(new String[0]);
CommandEvent event = new CommandEvent(engine, sender, (!command.line().startsWith("/"))?command.line():command.line().substring(1), label, args);
engine.getPluginManager().executeEvent(event);
if (!event.isCancelled()) {
TreeMap<String, Command> commands;
try {
commands = Util.reflect(PluginManager.class.getDeclaredField("commands"), engine.getPluginManager());
} catch (Exception e) {
e.printStackTrace();
commands = new TreeMap<String, Command>();
}
if (commands.keySet().contains(label.toLowerCase())) {
try {
commands.get(label.toLowerCase()).command(sender, label, args);
} catch (Exception e) {
engine.getAppInfo().getLogger().error.println(new InvocationTargetException(e, "Uncaught exception while running command"));
}
} else {
engine.getAppInfo().getLogger().message.println("Unknown Command: " + escapeCommand(label, args));
}
}
}
/**
* Escapes a command
*
* @param label Command Label
* @param args Command Arguments
* @return Escaped Command
*/
public String escapeCommand(String label, String... args) {
return escapeCommand(label, args, false, false);
}
/**
* Escapes some arguments
*
* @param args Command Arguments
* @return Escaped Arguments
*/
public String escapeArguments(String... args) {
return escapeArguments(args, false, false);
}
/**
* Escapes a command
*
* @param label Command Label
* @param args Command Arguments
* @param literal Literal String Escape Mode (using Single Quotes)
* @param whitespaced Whitespaced String Escape Mode (using Double Quotes)
* @return Escaped Command
*/
public String escapeCommand(String label, String[] args, boolean literal, boolean whitespaced) {
if (Util.isNull(label, args)) throw new NullPointerException();
StringBuilder builder = new StringBuilder();
builder.append('/');
builder.append(escapeArguments(new String[]{ label }, literal, whitespaced));
if (args.length > 0) {
builder.append(' ');
builder.append(escapeArguments(args, literal, whitespaced));
}
return builder.toString();
}
/**
* Escapes some arguments
*
* @param args Command Arguments
* @param literal Literal String Escape Mode (using Single Quotes)
* @param whitespaced Whitespaced String Escape Mode (using Double Quotes)
* @return Escaped Arguments
*/
public String escapeArguments(String[] args, boolean literal, boolean whitespaced) {
if (Util.isNull((Object) args)) throw new NullPointerException();
StringBuilder builder = new StringBuilder();
for (int i = 0; i < args.length; i++) {
if (i > 0) builder.append(' ');
builder.append(escapeArgument(null, args[i], literal, whitespaced, true));
}
return builder.toString();
}
private String escapeArgument(NamedContainer<String, String> start, String arg, boolean literal, boolean whitespaced, boolean complete) {
if (Util.isNull((Object) arg)) throw new NullPointerException();
boolean append = start != null && arg.startsWith(start.get());
if (append) arg = arg.substring(start.get().length());
if (literal) {
if (!append)
arg = arg + '\'';
arg = arg.replace("\'", "\'\\\'\'");
if (complete) {
arg += '\'';
if (whitespaced)
arg += '\"';
}
} else {
arg = arg.replace("\\", "\\\\").replace("\n", "\\n").replace("\'", "\\\'").replace("\"", "\\\"");
if (PARSE_CONSOLE_VARIABLES.usr().equalsIgnoreCase("true") || (PARSE_CONSOLE_VARIABLES.usr().length() <= 0 && PARSE_CONSOLE_VARIABLES.get()))
arg = arg.replace("$", "\\$").replace("%", "\\%");
if (!whitespaced) {
if (append || arg.length() > 0) {
arg = arg.replace(" ", "\\ ");
} else {
arg = "\"\"";
}
} else if (complete) {
arg += '\"';
}
}
if (append) arg = start.name() + arg;
else if (whitespaced) arg = '\"' + arg;
return arg;
}
/**
* Parses a command
*
* @param command Command
* @return Parsed Command
*/
public ParsedCommand parseCommand(String command) {
if (Util.isNull(command)) throw new NullPointerException();
return parser.parse(command, (int) command.codePoints().count(), true);
}
private ParsedCommand parse(String command) {
if (Util.isNull(command)) throw new NullPointerException();
return parser.parse(command, (int) command.codePoints().count(), false);
}
private final class Parser implements org.jline.reader.Parser {
@Override
public ParsedCommand parse(final String LINE, final int CURSOR, ParseContext ctx) throws SyntaxError {
return parse(LINE, CURSOR, false);
}
public ParsedCommand parse(final String LINE, final int CURSOR, boolean command) throws SyntaxError {
if (!command) command = chat == null;
final LinkedList<NamedContainer<String, String>> MAPPINGS = new LinkedList<NamedContainer<String, String>>();
StringBuilder part = new StringBuilder();
int wcursor = 0;
int rwcursor = 0;
int start = 0;
boolean between = true;
boolean literal = false;
boolean whitespaced = false;
for (int i = 0; i < LINE.codePoints().count(); i++) {
int ch = LINE.codePointAt(i);
if (CURSOR > i) rwcursor++;
if (i == 0 && ch == '/') { // This has been defined as a command
command = true;
} else if (!command && i <= 0) { // This must be a chat message, stop parsing
wcursor = CURSOR;
rwcursor = CURSOR;
part.append(LINE);
break;
} else {
if (ch == '\'') { // Begin, end, or skip a literal block
if (literal && i + 1 < LINE.codePoints().count() && LINE.codePointAt(i + 1) == '\'') {
part.appendCodePoint(ch);
if (CURSOR > i) wcursor++;
}
literal = !literal;
} else if (literal) { // Accept characters literally
if (CURSOR > i) wcursor++;
part.appendCodePoint(ch);
between = false;
} else {
if (!whitespaced && ch == ' ') {
if (!between) { // Ends the current word
MAPPINGS.add(new NamedContainer<>(LINE.substring(start, i), part.toString()));
part = new StringBuilder(LINE.length());
}
start = i + 1;
wcursor = 0;
rwcursor = 0;
between = true;
} else {
between = false;
switch (ch) {
case '\"': // Begin, end, or skip a whitespaced block
if (whitespaced && i + 1 < LINE.codePoints().count() && LINE.codePointAt(i + 1) == '\"') {
part.appendCodePoint(ch);
if (CURSOR > i) wcursor++;
}
whitespaced = !whitespaced;
continue;
case '$': // Replace java system variables
int varEnd;
if ((PARSE_CONSOLE_VARIABLES.usr().equalsIgnoreCase("true") || (PARSE_CONSOLE_VARIABLES.usr().length() <= 0 && PARSE_CONSOLE_VARIABLES.get()))
&& i + 1 <= LINE.codePoints().count() && (varEnd = LINE.indexOf('$', i+1)) > i) {
String var = LINE.substring(i + 1, varEnd);
String replacement;
if (System.getProperty(var) != null) {
replacement = System.getProperty(var);
} else {
replacement = "null";
}
part.append(replacement);
int offset = varEnd - i;
if (CURSOR > varEnd) wcursor += replacement.codePoints().count();
for (int x = 0; x < offset; x++) {
i++;
if (CURSOR > i) rwcursor++;
}
} else {
part.appendCodePoint(ch);
if (CURSOR > i) wcursor++;
}
continue;
case '%': // Replace environment variables
if ((PARSE_CONSOLE_VARIABLES.usr().equalsIgnoreCase("true") || (PARSE_CONSOLE_VARIABLES.usr().length() <= 0 && PARSE_CONSOLE_VARIABLES.get()))
&& i + 1 <= LINE.codePoints().count() && (varEnd = LINE.indexOf('%', i+1)) > i) {
String var = LINE.substring(i + 1, varEnd);
String replacement;
if (System.getenv(var) != null) {
replacement = System.getenv(var);
} else {
replacement = "null";
}
part.append(replacement);
int offset = varEnd - i;
if (CURSOR > varEnd) wcursor += replacement.codePoints().count();
for (int x = 0; x < offset; x++) {
i++;
if (CURSOR > i) rwcursor++;
}
} else {
part.appendCodePoint(ch);
if (CURSOR > i) wcursor++;
}
continue;
case '\\': // Parse escape sequences
int nextChar = (i == LINE.codePoints().count() - 1) ? '\\' : LINE
.codePointAt(i + 1);
// Octal Escape: 000
if (nextChar >= '0' && nextChar <= '7') {
StringBuilder code = new StringBuilder();
code.appendCodePoint(nextChar);
i++;
if (CURSOR > i) rwcursor++;
if ((i < LINE.codePoints().count() - 1) && LINE.codePointAt(i + 1) >= '0'
&& LINE.codePointAt(i + 1) <= '7') {
code.appendCodePoint(LINE.codePointAt(i + 1));
i++;
if (CURSOR > i) rwcursor++;
if ((i < LINE.codePoints().count() - 1) && LINE.codePointAt(i + 1) >= '0'
&& LINE.codePointAt(i + 1) <= '7') {
code.appendCodePoint(LINE.codePointAt(i + 1));
i++;
if (CURSOR > i) rwcursor++;
}
}
part.append((char) Integer.parseInt(code.toString(), 8));
if (CURSOR > i) wcursor++;
continue;
} else switch (nextChar) {
case '\\':
ch = '\\';
break;
case ' ':
ch = ' ';
break;
case '$':
ch = '$';
break;
case '%':
ch = '%';
break;
case 'b':
ch = '\b';
break;
case 'f':
ch = '\f';
break;
case 'n':
ch = '\n';
break;
case 'r':
ch = '\r';
break;
case 't':
ch = '\t';
break;
case '\"':
ch = '\"';
break;
case '\'':
ch = '\'';
break;
// Unicode Java Escape: u0000
// Unicode ES-6 Escape: u{000000}
case 'u':
try {
if (i >= LINE.codePoints().count() - 4) throw new IllegalStateException();
StringBuilder escape = new StringBuilder();
int offset = 2;
if (LINE.codePointAt(i + 2) != '{') {
if (i >= LINE.codePoints().count() - 5) throw new IllegalStateException();
while (offset <= 5) {
Integer.toString(LINE.codePointAt(i + offset), 16);
escape.appendCodePoint(LINE.codePointAt(i + offset));
offset++;
}
offset--;
} else {
offset++;
while (LINE.codePointAt(i + offset) != '}') {
Integer.toString(LINE.codePointAt(i + offset), 16);
escape.appendCodePoint(LINE.codePointAt(i + offset));
offset++;
}
}
ch = Integer.parseInt(escape.toString(), 16);
for (int x = 0; x < offset - 1; x++) {
i++;
if (CURSOR > i) rwcursor++;
}
} catch (Throwable e) {
ch = 'u';
}
break;
}
i++;
if (CURSOR > i) rwcursor++;
default:
if (CURSOR > i) wcursor++;
part.appendCodePoint(ch);
// continue;
}
}
}
}
}
// Construct Data Element
final String WORD = part.toString();
final String RAW_WORD = LINE.substring(start);
final int WORD_CURSOR = wcursor;
final int RAW_WORD_CURSOR = rwcursor;
final boolean COMMAND = command;
final boolean LITERAL = literal;
final boolean WHITESPACED = whitespaced;
MAPPINGS.add(new NamedContainer<>(LINE.substring(start), WORD));
return new ParsedCommand() {
@Override
public CharSequence escape(CharSequence argument, boolean complete) {
return escapeArgument(translation(), argument.toString(), LITERAL, WHITESPACED, complete);
}
@Override
public boolean isCommand() {
return COMMAND;
}
@Override
public String word() {
return WORD;
}
@Override
public LinkedList<String> words() {
LinkedList<String> list = new LinkedList<>();
for (NamedContainer<String, String> e : MAPPINGS) list.add(e.get());
return list;
}
@Override
public int wordCursor() {
return WORD_CURSOR;
}
@Override
public int wordIndex() {
return (MAPPINGS.size() <= 0)?0:MAPPINGS.size() - 1;
}
@Override
public NamedContainer<String, String> translation() {
return (MAPPINGS.size() <= 0)?null:MAPPINGS.getLast();
}
@Override
public LinkedList<NamedContainer<String, String>> translations() {
return new LinkedList<>(MAPPINGS);
}
@Override
public String rawWord() {
return RAW_WORD;
}
@Override
public LinkedList<String> rawWords() {
LinkedList<String> list = new LinkedList<>();
for (NamedContainer<String, String> e : MAPPINGS) list.add(e.name());
return list;
}
@Override
public int rawWordCursor() {
return RAW_WORD_CURSOR;
}
@Override
public int rawWordLength() {
return RAW_WORD.length();
}
@Override
public String line() {
return LINE;
}
@Override
public int cursor() {
return CURSOR;
}
};
}
}
/**
* Parsed Command Results Class
*/
public interface ParsedCommand extends CompletingParsedLine {
/**
* Get the Word List
*
* @return Word List
*/
@Override
LinkedList<String> words();
/**
* Get the Word Translation
*
* @return Word Translation
*/
NamedContainer<String, String> translation();
/**
* Get the Word Translation List
*
* @return Word Translation List
*/
LinkedList<NamedContainer<String, String>> translations();
/**
* Get the Raw Word
*
* @return Raw Word
*/
String rawWord();
/**
* Get the Raw Word List
*
* @return Raw Word List
*/
LinkedList<String> rawWords();
/**
* Get if this was defined as a command
*
* @return Command Status
*/
boolean isCommand();
}
}