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Commands.java
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Commands.java
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/*
* Copyright (c) 2002-2020, the original author or authors.
*
* This software is distributable under the BSD license. See the terms of the
* BSD license in the documentation provided with this software.
*
* https://opensource.org/licenses/BSD-3-Clause
*/
package org.jline.builtins;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.nio.file.Files;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.PathMatcher;
import java.nio.file.Paths;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.Set;
import java.util.TreeSet;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
import org.jline.builtins.Completers.CompletionData;
import org.jline.builtins.Options.HelpException;
import org.jline.builtins.Source.StdInSource;
import org.jline.builtins.Source.URLSource;
import org.jline.keymap.KeyMap;
import org.jline.reader.Binding;
import org.jline.reader.Highlighter;
import org.jline.reader.History;
import org.jline.reader.LineReader;
import org.jline.reader.LineReader.Option;
import org.jline.reader.Macro;
import org.jline.reader.Reference;
import org.jline.reader.Widget;
import org.jline.terminal.Terminal;
import org.jline.utils.AttributedStringBuilder;
import org.jline.utils.AttributedStyle;
import org.jline.utils.StyleResolver;
public class Commands {
public static void tmux(Terminal terminal, PrintStream out, PrintStream err,
Supplier<Object> getter,
Consumer<Object> setter,
Consumer<Terminal> runner,
String[] argv) throws Exception {
final String[] usage = {
"tmux - terminal multiplexer",
"Usage: tmux [command]",
" -? --help Show help",
};
Options opt = Options.compile(usage).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
// Tmux with no args
if (argv.length == 0) {
Object instance = getter.get();
if (instance != null) {
err.println("tmux: can't run tmux inside itself");
} else {
Tmux tmux = new Tmux(terminal, err, runner);
setter.accept(tmux);
try {
tmux.run();
} finally {
setter.accept(null);
}
}
} else {
Object instance = getter.get();
if (instance != null) {
((Tmux) instance).execute(out, err, Arrays.asList(argv));
} else {
err.println("tmux: no instance running");
}
}
}
public static void nano(Terminal terminal, PrintStream out, PrintStream err,
Path currentDir,
String[] argv) throws Exception {
nano(terminal, out, err, currentDir, argv, null);
}
public static void nano(Terminal terminal, PrintStream out, PrintStream err,
Path currentDir,
String[] argv,
ConfigurationPath configPath) throws Exception {
Options opt = Options.compile(Nano.usage()).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
Nano edit = new Nano(terminal, currentDir, opt, configPath);
edit.open(opt.args());
edit.run();
}
public static void less(Terminal terminal, InputStream in, PrintStream out, PrintStream err,
Path currentDir,
String[] argv) throws Exception {
less(terminal, in, out, err, currentDir, argv, null);
}
public static void less(Terminal terminal, InputStream in, PrintStream out, PrintStream err,
Path currentDir,
String[] argv,
ConfigurationPath configPath) throws Exception {
Options opt = Options.compile(Less.usage()).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
Less less = new Less(terminal, currentDir, opt, configPath);
List<Source> sources = new ArrayList<>();
if (opt.args().isEmpty()) {
opt.args().add("-");
}
for (String arg : opt.args()) {
arg = arg.startsWith("~") ? arg.replace("~", System.getProperty("user.home")) : arg;
if ("-".equals(arg)) {
sources.add(new StdInSource(in));
} else if (arg.contains("*") || arg.contains("?")) {
for (Path p: findFiles(currentDir, arg)) {
sources.add(new URLSource(p.toUri().toURL(), p.toString()));
}
} else {
sources.add(new URLSource(currentDir.resolve(arg).toUri().toURL(), arg));
}
}
less.run(sources);
}
protected static List<Path> findFiles(Path root, String files) throws IOException{
files = files.startsWith("~") ? files.replace("~", System.getProperty("user.home")) : files;
String regex = files;
Path searchRoot = Paths.get("/");
if (new File(files).isAbsolute()) {
regex = regex.replaceAll("\\\\", "/").replaceAll("//", "/");
if (regex.contains("/")) {
String sr = regex.substring(0, regex.lastIndexOf("/") + 1);
while (sr.contains("*") || sr.contains("?")) {
sr = sr.substring(0, sr.lastIndexOf("/"));
}
searchRoot = Paths.get(sr + "/");
}
} else {
regex = (root.toString().length() == 0 ? "" : root.toString() + "/") + files;
regex = regex.replaceAll("\\\\", "/").replaceAll("//", "/");
searchRoot = root;
}
PathMatcher pathMatcher = FileSystems.getDefault().getPathMatcher("glob:"+regex);
return Files.find(searchRoot, Integer.MAX_VALUE, (path, f)->pathMatcher.matches(path)).collect(Collectors.toList());
}
public static void history(LineReader reader, PrintStream out, PrintStream err, Path currentDir,
String[] argv) throws Exception {
final String[] usage = {
"history - list history of commands",
"Usage: history [-dnrfEie] [-m match] [first] [last]",
" history -ARWI [filename]",
" history -s [old=new] [command]",
" history --clear",
" history --save",
" -? --help Displays command help",
" --clear Clear history",
" --save Save history",
" -m match If option -m is present the first argument is taken as a pattern",
" and only the history events matching the pattern will be shown",
" -d Print timestamps for each event",
" -f Print full time date stamps in the US format",
" -E Print full time date stamps in the European format",
" -i Print full time date stamps in ISO8601 format",
" -n Suppresses command numbers",
" -r Reverses the order of the commands",
" -A Appends the history out to the given file",
" -R Reads the history from the given file",
" -W Writes the history out to the given file",
" -I If added to -R, only the events that are not contained within the internal list are added",
" If added to -W or -A, only the events that are new since the last incremental operation",
" to the file are added",
" [first] [last] These optional arguments may be specified as a number or as a string. A negative number",
" is used as an offset to the current history event number. A string specifies the most",
" recent event beginning with the given string.",
" -e Uses the nano editor to edit the commands before executing",
" -s Re-executes the command without invoking an editor"};
Options opt = Options.compile(usage).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
History history = reader.getHistory();
boolean done = true;
boolean increment = opt.isSet("I");
if (opt.isSet("clear")) {
history.purge();
} else if (opt.isSet("save")) {
history.save();
} else if (opt.isSet("A")) {
Path file = opt.args().size() > 0 ? currentDir.resolve(opt.args().get(0)) : null;
history.append(file, increment);
} else if (opt.isSet("R")) {
Path file = opt.args().size() > 0 ? currentDir.resolve(opt.args().get(0)) : null;
history.read(file, increment);
} else if (opt.isSet("W")) {
Path file = opt.args().size() > 0 ? currentDir.resolve(opt.args().get(0)) : null;
history.write(file, increment);
} else {
done = false;
}
if (done) {
return;
}
ReExecute execute = new ReExecute(history, opt);
int argId = execute.getArgId();
Pattern pattern = null;
if (opt.isSet("m") && opt.args().size() > argId) {
StringBuilder sb = new StringBuilder();
char prev = '0';
for (char c: opt.args().get(argId++).toCharArray()) {
if (c == '*' && prev != '\\' && prev != '.') {
sb.append('.');
}
sb.append(c);
prev = c;
}
pattern = Pattern.compile(sb.toString(), Pattern.DOTALL);
}
boolean reverse = opt.isSet("r") || (opt.isSet("s") && opt.args().size() <= argId);
int firstId = opt.args().size() > argId ? retrieveHistoryId(history, opt.args().get(argId++)) : -17;
int lastId = opt.args().size() > argId ? retrieveHistoryId(history, opt.args().get(argId++)) : -1;
firstId = historyId(firstId, history.first(), history.last());
lastId = historyId(lastId, history.first(), history.last());
if (firstId > lastId) {
int tmpId = firstId;
firstId = lastId;
lastId = tmpId;
reverse = !reverse;
}
int tot = lastId - firstId + 1;
int listed = 0;
final Highlighter highlighter = reader.getHighlighter();
Iterator<History.Entry> iter = null;
if (reverse) {
iter = history.reverseIterator(lastId);
} else {
iter = history.iterator(firstId);
}
while (iter.hasNext() && listed < tot) {
History.Entry entry = iter.next();
listed++;
if (pattern != null && !pattern.matcher(entry.line()).matches()) {
continue;
}
if (execute.isExecute()) {
if (execute.isEdit()) {
execute.addCommandInFile(entry.line());
} else {
execute.addCommandInBuffer(reader, entry.line());
break;
}
} else {
AttributedStringBuilder sb = new AttributedStringBuilder();
if (!opt.isSet("n")) {
sb.append(" ");
sb.styled(AttributedStyle::bold, String.format("%3d", entry.index()));
}
if (opt.isSet("d") || opt.isSet("f") || opt.isSet("E") || opt.isSet("i")) {
sb.append(" ");
if (opt.isSet("d")) {
LocalTime lt = LocalTime.from(entry.time().atZone(ZoneId.systemDefault()))
.truncatedTo(ChronoUnit.SECONDS);
DateTimeFormatter.ISO_LOCAL_TIME.formatTo(lt, sb);
} else {
LocalDateTime lt = LocalDateTime.from(entry.time().atZone(ZoneId.systemDefault())
.truncatedTo(ChronoUnit.MINUTES));
String format = "yyyy-MM-dd hh:mm";
if (opt.isSet("f")) {
format = "MM/dd/yy hh:mm";
} else if (opt.isSet("E")) {
format = "dd.MM.yyyy hh:mm";
}
DateTimeFormatter.ofPattern(format).formatTo(lt, sb);
}
}
sb.append(" ");
sb.append(highlighter.highlight(reader, entry.line()));
out.println(sb.toAnsi(reader.getTerminal()));
}
}
execute.editCommandsAndClose(reader);
}
private static class ReExecute {
private final boolean execute;
private final boolean edit;
private String oldParam;
private String newParam;
private FileWriter cmdWriter;
private File cmdFile;
private int argId = 0;
public ReExecute(History history, Options opt) throws IOException {
execute = opt.isSet("e") || opt.isSet("s");
edit = opt.isSet("e");
if (execute) {
Iterator<History.Entry> iter = history.reverseIterator(history.last());
if (iter.hasNext()) {
iter.next();
iter.remove();
}
if (edit) {
cmdFile = File.createTempFile("jline-history-", null);
cmdWriter = new FileWriter(cmdFile);
} else if (opt.args().size() > 0 ) {
String[] s = opt.args().get(argId).split("=");
if (s.length == 2) {
argId = argId + 1;
oldParam = s[0];
newParam = s[1];
}
}
}
}
public int getArgId() {
return argId;
}
public boolean isEdit() {
return edit;
}
public boolean isExecute() {
return execute;
}
public void addCommandInFile(String command) throws IOException {
cmdWriter.write(command + "\n");
}
public void addCommandInBuffer(LineReader reader, String command) {
reader.addCommandsInBuffer(Arrays.asList(replaceParam(command)));
}
private String replaceParam(String command) {
String out = command;
if (oldParam != null && newParam != null) {
out = command.replaceAll(oldParam, newParam);
}
return out;
}
public void editCommandsAndClose(LineReader reader) throws Exception {
if (edit) {
cmdWriter.close();
try {
reader.editAndAddInBuffer(cmdFile);
} finally {
cmdFile.delete();
}
}
}
}
private static int historyId(int id, int minId, int maxId) {
int out = id;
if (id < 0) {
out = maxId + id + 1;
}
if (out < minId) {
out = minId;
} else if (out > maxId) {
out = maxId;
}
return out;
}
private static int retrieveHistoryId(History history, String s) throws IllegalArgumentException {
try {
return Integer.parseInt(s);
} catch (NumberFormatException ex) {
Iterator<History.Entry> iter = history.iterator();
while (iter.hasNext()) {
History.Entry entry = iter.next();
if (entry.line().startsWith(s)) {
return entry.index();
}
}
throw new IllegalArgumentException("history: event not found: " + s);
}
}
public static void complete(LineReader reader, PrintStream out, PrintStream err,
Map<String, List<CompletionData>> completions,
String[] argv) throws HelpException {
final String[] usage = {
"complete - edit command specific tab-completions",
"Usage: complete",
" -? --help Displays command help",
" -c --command=COMMAND Command to add completion to",
" -d --description=DESCRIPTION Description of this completions",
" -e --erase Erase the completions",
" -s --short-option=SHORT_OPTION Posix-style option to complete",
" -l --long-option=LONG_OPTION GNU-style option to complete",
" -a --argument=ARGUMENTS A list of possible arguments",
" -n --condition=CONDITION The completion should only be used if the",
" specified command has a zero exit status"};
Options opt = Options.compile(usage).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
String command = opt.get("command");
if (opt.isSet("erase")) {
completions.remove(command);
return;
}
List<CompletionData> cmdCompletions = completions.computeIfAbsent(command, s -> new ArrayList<>());
List<String> options = null;
if (opt.isSet("short-option")) {
for (String op : opt.getList("short-option")) {
if (options == null) {
options = new ArrayList<>();
}
options.add("-" + op);
}
}
if (opt.isSet("long-option")) {
for (String op : opt.getList("long-option")) {
if (options == null) {
options = new ArrayList<>();
}
options.add("--" + op);
}
}
String description = opt.isSet("description") ? opt.get("description") : null;
String argument = opt.isSet("argument") ? opt.get("argument") : null;
String condition = opt.isSet("condition") ? opt.get("condition") : null;
cmdCompletions.add(new CompletionData(options, description, argument, condition));
}
public static void widget(LineReader reader, PrintStream out, PrintStream err,
Function<String, Widget> widgetCreator,
String[] argv) throws Exception {
final String[] usage = {
"widget - manipulate widgets",
"Usage: widget -N new-widget [function-name]",
" widget -D widget ...",
" widget -A old-widget new-widget",
" widget -U string ...",
" widget -l [options]",
" -? --help Displays command help",
" -A Create alias to widget",
" -N Create new widget",
" -D Delete widgets",
" -U Push characters to the stack",
" -l List user-defined widgets",
" -a With -l, list all widgets"
};
Options opt = Options.compile(usage).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
int actions = (opt.isSet("N") ? 1 : 0)
+ (opt.isSet("D") ? 1 : 0)
+ (opt.isSet("U") ? 1 : 0)
+ (opt.isSet("l") ? 1 : 0)
+ (opt.isSet("A") ? 1 : 0);
if (actions > 1) {
err.println("widget: incompatible operation selection options");
return;
}
if (opt.isSet("l")) {
TreeSet<String> ws = new TreeSet<>(reader.getWidgets().keySet());
if (opt.isSet("a")) {
Set<String> temp = new HashSet<>(ws);
for (String s: temp) {
ws.add(reader.getWidgets().get(s).toString());
}
}
for (String s : ws) {
if (opt.isSet("a")) {
out.println(s);
} else if (!reader.getWidgets().get(s).toString().startsWith(".")) {
out.println(s + " (" + reader.getWidgets().get(s) + ")");
}
}
}
else if (opt.isSet("N")) {
if (opt.args().size() < 1) {
err.println("widget: not enough arguments for -N");
return;
}
if (opt.args().size() > 2) {
err.println("widget: too many arguments for -N");
return;
}
final String name = opt.args().get(0);
final String func = opt.args().size() == 2 ? opt.args().get(1) : name;
reader.getWidgets().put(name, widgetCreator.apply(func));
} else if (opt.isSet("D")) {
for (String name : opt.args()) {
reader.getWidgets().remove(name);
}
} else if (opt.isSet("A")) {
if (opt.args().size() < 2) {
err.println("widget: not enough arguments for -A");
return;
}
if (opt.args().size() > 2) {
err.println("widget: too many arguments for -A");
return;
}
Widget org = null;
if (opt.args().get(0).startsWith(".")) {
org = reader.getBuiltinWidgets().get(opt.args().get(0).substring(1));
} else {
org = reader.getWidgets().get(opt.args().get(0));
}
if (org == null) {
err.println("widget: no such widget `" + opt.args().get(0) + "'");
return;
}
reader.getWidgets().put(opt.args().get(1), org);
}
else if (opt.isSet("U")) {
for (String arg : opt.args()) {
reader.runMacro(KeyMap.translate(arg));
}
}
else if (opt.args().size() == 1) {
reader.callWidget(opt.args().get(0));
}
}
public static void keymap(LineReader reader,
PrintStream out,
PrintStream err,
String[] argv) throws HelpException {
final String[] usage = {
"keymap - manipulate keymaps",
"Usage: keymap [options] -l [-L] [keymap ...]",
" keymap [options] -d",
" keymap [options] -D keymap ...",
" keymap [options] -A old-keymap new-keymap",
" keymap [options] -N new-keymap [old-keymap]",
" keymap [options] -m",
" keymap [options] -r in-string ...",
" keymap [options] -s in-string out-string ...",
" keymap [options] in-string command ...",
" keymap [options] [in-string]",
" -? --help Displays command help",
" -A Create alias to keymap",
" -D Delete named keymaps",
" -L Output in form of keymap commands",
" -M (default=main) Specify keymap to select",
" -N Create new keymap",
" -R Interpret in-strings as ranges",
" -a Select vicmd keymap",
" -d Delete existing keymaps and reset to default state",
" -e Select emacs keymap and bind it to main",
" -l List existing keymap names",
" -p List bindings which have given key sequence as a a prefix",
" -r Unbind specified in-strings ",
" -s Bind each in-string to each out-string ",
" -v Select viins keymap and bind it to main",
};
Options opt = Options.compile(usage).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
Map<String, KeyMap<Binding>> keyMaps = reader.getKeyMaps();
int actions = (opt.isSet("N") ? 1 : 0)
+ (opt.isSet("d") ? 1 : 0)
+ (opt.isSet("D") ? 1 : 0)
+ (opt.isSet("l") ? 1 : 0)
+ (opt.isSet("r") ? 1 : 0)
+ (opt.isSet("s") ? 1 : 0)
+ (opt.isSet("A") ? 1 : 0);
if (actions > 1) {
err.println("keymap: incompatible operation selection options");
return;
}
if (opt.isSet("l")) {
boolean commands = opt.isSet("L");
// TODO: handle commands
if (opt.args().size() > 0) {
for (String arg : opt.args()) {
KeyMap<Binding> map = keyMaps.get(arg);
if (map == null) {
err.println("keymap: no such keymap: `" + arg + "'");
} else {
out.println(arg);
}
}
} else {
keyMaps.keySet().forEach(out::println);
}
}
else if (opt.isSet("N")) {
if (opt.isSet("e") || opt.isSet("v") || opt.isSet("a") || opt.isSet("M")) {
err.println("keymap: keymap can not be selected with -N");
return;
}
if (opt.args().size() < 1) {
err.println("keymap: not enough arguments for -N");
return;
}
if (opt.args().size() > 2) {
err.println("keymap: too many arguments for -N");
return;
}
KeyMap<Binding> org = null;
if (opt.args().size() == 2) {
org = keyMaps.get(opt.args().get(1));
if (org == null) {
err.println("keymap: no such keymap `" + opt.args().get(1) + "'");
return;
}
}
KeyMap<Binding> map = new KeyMap<>();
if (org != null) {
for (Map.Entry<String, Binding> bound : org.getBoundKeys().entrySet()) {
map.bind(bound.getValue(), bound.getKey());
}
}
keyMaps.put(opt.args().get(0), map);
}
else if (opt.isSet("A")) {
if (opt.isSet("e") || opt.isSet("v") || opt.isSet("a") || opt.isSet("M")) {
err.println("keymap: keymap can not be selected with -N");
return;
}
if (opt.args().size() < 2) {
err.println("keymap: not enough arguments for -A");
return;
}
if (opt.args().size() > 2) {
err.println("keymap: too many arguments for -A");
return;
}
KeyMap<Binding> org = keyMaps.get(opt.args().get(0));
if (org == null) {
err.println("keymap: no such keymap `" + opt.args().get(0) + "'");
return;
}
keyMaps.put(opt.args().get(1), org);
}
else if (opt.isSet("d")) {
if (opt.isSet("e") || opt.isSet("v") || opt.isSet("a") || opt.isSet("M")) {
err.println("keymap: keymap can not be selected with -N");
return;
}
if (opt.args().size() > 0) {
err.println("keymap: too many arguments for -d");
return;
}
keyMaps.clear();
keyMaps.putAll(reader.defaultKeyMaps());
}
else if (opt.isSet("D")) {
if (opt.isSet("e") || opt.isSet("v") || opt.isSet("a") || opt.isSet("M")) {
err.println("keymap: keymap can not be selected with -N");
return;
}
if (opt.args().size() < 1) {
err.println("keymap: not enough arguments for -A");
return;
}
for (String name : opt.args()) {
if (keyMaps.remove(name) == null) {
err.println("keymap: no such keymap `" + name + "'");
return;
}
}
}
else if (opt.isSet("r")) {
// Select keymap
String keyMapName = LineReader.MAIN;
int sel = (opt.isSet("a") ? 1 : 0)
+ (opt.isSet("e") ? 1 : 0)
+ (opt.isSet("v") ? 1 : 0)
+ (opt.isSet("M") ? 1 : 0);
if (sel > 1) {
err.println("keymap: incompatible keymap selection options");
return;
} else if (opt.isSet("a")) {
keyMapName = LineReader.VICMD;
} else if (opt.isSet("e")) {
keyMapName = LineReader.EMACS;
} else if (opt.isSet("v")) {
keyMapName = LineReader.VIINS;
} else if (opt.isSet("M")) {
if (opt.args().isEmpty()) {
err.println("keymap: argument expected: -M");
return;
}
keyMapName = opt.args().remove(0);
}
KeyMap<Binding> map = keyMaps.get(keyMapName);
if (map == null) {
err.println("keymap: no such keymap `" + keyMapName + "'");
return;
}
// Unbind
boolean range = opt.isSet("R");
boolean prefix = opt.isSet("p");
Set<String> toRemove = new HashSet<>();
Map<String, Binding> bound = map.getBoundKeys();
for (String arg : opt.args()) {
if (range) {
Collection<String> r = KeyMap.range(opt.args().get(0));
if (r == null) {
err.println("keymap: malformed key range `" + opt.args().get(0) + "'");
return;
}
toRemove.addAll(r);
} else {
String seq = KeyMap.translate(arg);
for (String k : bound.keySet()) {
if (prefix && k.startsWith(seq) && k.length() > seq.length()
|| !prefix && k.equals(seq)) {
toRemove.add(k);
}
}
}
}
for (String seq : toRemove) {
map.unbind(seq);
}
if (opt.isSet("e") || opt.isSet("v")) {
keyMaps.put(LineReader.MAIN, map);
}
}
else if (opt.isSet("s") || opt.args().size() > 1) {
// Select keymap
String keyMapName = LineReader.MAIN;
int sel = (opt.isSet("a") ? 1 : 0)
+ (opt.isSet("e") ? 1 : 0)
+ (opt.isSet("v") ? 1 : 0)
+ (opt.isSet("M") ? 1 : 0);
if (sel > 1) {
err.println("keymap: incompatible keymap selection options");
return;
} else if (opt.isSet("a")) {
keyMapName = LineReader.VICMD;
} else if (opt.isSet("e")) {
keyMapName = LineReader.EMACS;
} else if (opt.isSet("v")) {
keyMapName = LineReader.VIINS;
} else if (opt.isSet("M")) {
if (opt.args().isEmpty()) {
err.println("keymap: argument expected: -M");
return;
}
keyMapName = opt.args().remove(0);
}
KeyMap<Binding> map = keyMaps.get(keyMapName);
if (map == null) {
err.println("keymap: no such keymap `" + keyMapName + "'");
return;
}
// Bind
boolean range = opt.isSet("R");
if (opt.args().size() % 2 == 1) {
err.println("keymap: even number of arguments required");
return;
}
for (int i = 0; i < opt.args().size(); i += 2) {
Binding bout = opt.isSet("s")
? new Macro(KeyMap.translate(opt.args().get(i + 1)))
: new Reference(opt.args().get(i + 1));
if (range) {
Collection<String> r = KeyMap.range(opt.args().get(i));
if (r == null) {
err.println("keymap: malformed key range `" + opt.args().get(i) + "'");
return;
}
map.bind(bout, r);
} else {
String in = KeyMap.translate(opt.args().get(i));
map.bind(bout, in);
}
}
if (opt.isSet("e") || opt.isSet("v")) {
keyMaps.put(LineReader.MAIN, map);
}
}
else {
// Select keymap
String keyMapName = LineReader.MAIN;
int sel = (opt.isSet("a") ? 1 : 0)
+ (opt.isSet("e") ? 1 : 0)
+ (opt.isSet("v") ? 1 : 0)
+ (opt.isSet("M") ? 1 : 0);
if (sel > 1) {
err.println("keymap: incompatible keymap selection options");
return;
} else if (opt.isSet("a")) {
keyMapName = LineReader.VICMD;
} else if (opt.isSet("e")) {
keyMapName = LineReader.EMACS;
} else if (opt.isSet("v")) {
keyMapName = LineReader.VIINS;
} else if (opt.isSet("M")) {
if (opt.args().isEmpty()) {
err.println("keymap: argument expected: -M");
return;
}
keyMapName = opt.args().remove(0);
}
KeyMap<Binding> map = keyMaps.get(keyMapName);
if (map == null) {
err.println("keymap: no such keymap `" + keyMapName + "'");
return;
}
// Display
boolean prefix = opt.isSet("p");
boolean commands = opt.isSet("L");
if (prefix && opt.args().isEmpty()) {
err.println("keymap: option -p requires a prefix string");
return;
}
if (opt.args().size() > 0 || !opt.isSet("e") && !opt.isSet("v")) {
Map<String, Binding> bound = map.getBoundKeys();
String seq = opt.args().size() > 0 ? KeyMap.translate(opt.args().get(0)) : null;
Map.Entry<String, Binding> begin = null;
String last = null;
Iterator<Entry<String, Binding>> iterator = bound.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry<String, Binding> entry = iterator.next();
String key = entry.getKey();
if (seq == null
|| prefix && key.startsWith(seq) && !key.equals(seq)
|| !prefix && key.equals(seq)) {
if (begin != null || !iterator.hasNext()) {
String n = (last.length() > 1 ? last.substring(0, last.length() - 1) : "") + (char) (last.charAt(last.length() - 1) + 1);
if (key.equals(n) && entry.getValue().equals(begin.getValue())) {
last = key;
} else {
// We're not in a range, so we need to close the previous range
StringBuilder sb = new StringBuilder();
if (commands) {
sb.append("keymap -M ");
sb.append(keyMapName);
sb.append(" ");
}
if (begin.getKey().equals(last)) {
sb.append(KeyMap.display(last));
sb.append(" ");
displayValue(sb, begin.getValue());
out.println(sb.toString());
} else {
if (commands) {
sb.append("-R ");
}
sb.append(KeyMap.display(begin.getKey()));
sb.append("-");
sb.append(KeyMap.display(last));
sb.append(" ");
displayValue(sb, begin.getValue());
out.println(sb.toString());
}
begin = entry;
last = key;
}
} else {
begin = entry;
last = key;
}
}
}
}
if (opt.isSet("e") || opt.isSet("v")) {
keyMaps.put(LineReader.MAIN, map);
}
}
}
public static void setopt(LineReader reader,
PrintStream out,
PrintStream err,
String[] argv) throws HelpException {
final String[] usage = {
"setopt - set options",
"Usage: setopt [-m] option ...",
" setopt",
" -? --help Displays command help",
" -m Use pattern matching"
};
Options opt = Options.compile(usage).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
if (opt.args().isEmpty()) {
for (Option option : Option.values()) {
if (reader.isSet(option) != option.isDef()) {
out.println((option.isDef() ? "no-" : "") + option.toString().toLowerCase().replace('_', '-'));
}
}
}
else {
boolean match = opt.isSet("m");
doSetOpts(reader, out, err, opt.args(), match, true);
}
}
public static void unsetopt(LineReader reader,
PrintStream out,
PrintStream err,
String[] argv) throws HelpException {
final String[] usage = {
"unsetopt - unset options",
"Usage: unsetopt [-m] option ...",
" unsetopt",
" -? --help Displays command help",
" -m Use pattern matching"
};
Options opt = Options.compile(usage).parse(argv);
if (opt.isSet("help")) {
throw new HelpException(opt.usage());
}
if (opt.args().isEmpty()) {
for (Option option : Option.values()) {
if (reader.isSet(option) == option.isDef()) {
out.println((option.isDef() ? "no-" : "") + option.toString().toLowerCase().replace('_', '-'));
}
}
}
else {
boolean match = opt.isSet("m");
doSetOpts(reader, out, err, opt.args(), match, false);
}
}
private static void doSetOpts(LineReader reader, PrintStream out, PrintStream err, List<String> options, boolean match, boolean set) {
for (String name : options) {
String tname = name.toLowerCase().replaceAll("[-_]", "");
if (match) {
tname = tname.replaceAll("\\*", "[a-z]*");
tname = tname.replaceAll("\\?", "[a-z]");
}
boolean found = false;
for (LineReader.Option option : LineReader.Option.values()) {
String optName = option.name().toLowerCase().replaceAll("[-_]", "");
if (match ? optName.matches(tname) : optName.equals(tname)) {
if (set) {
reader.setOpt(option);
} else {
reader.unsetOpt(option);
}
found = true;
if (!match) {
break;
}
} else if (match ? ("no" + optName).matches(tname) : ("no" + optName).equals(tname)) {
if (set) {
reader.unsetOpt(option);
} else {
reader.setOpt(option);
}
if (!match) {
found = true;
}
break;
}
}
if (!found) {
err.println("No matching option: " + name);
}