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org.jboss.as.cli.operation.OperationRequestCompleter Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.operation;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.jboss.as.cli.CommandArgument;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.CommandFormatException;
import org.jboss.as.cli.CommandLineCompleter;
import org.jboss.as.cli.CommandLineFormat;
import org.jboss.as.cli.EscapeSelector;
import org.jboss.as.cli.Util;
import org.jboss.as.cli.operation.impl.DefaultCallbackHandler;
/**
*
* @author Alexey Loubyansky
*/
public class OperationRequestCompleter implements CommandLineCompleter {
public static final OperationRequestCompleter INSTANCE = new OperationRequestCompleter();
public static final CommandLineCompleter ARG_VALUE_COMPLETER = new CommandLineCompleter(){
final DefaultCallbackHandler parsedOp = new DefaultCallbackHandler();
@Override
public int complete(CommandContext ctx, String buffer, int cursor, List candidates) {
try {
parsedOp.parseOperation(ctx.getCurrentNodePath(), buffer);
} catch (CommandFormatException e) {
return -1;
}
return INSTANCE.complete(ctx, parsedOp, buffer, cursor, candidates);
}};
public static final EscapeSelector ESCAPE_SELECTOR = new EscapeSelector() {
@Override
public boolean isEscape(char ch) {
return ch == ':' || ch == '/' || ch == '=' || ch == ' ' || ch == '"' || ch == '\\';
}
};
@Override
public int complete(CommandContext ctx, final String buffer, int cursor, List candidates) {
return complete(ctx, ctx.getParsedCommandLine(), buffer, cursor, candidates);
}
public int complete(CommandContext ctx, ParsedCommandLine parsedCmd, final String buffer, int cursor, List candidates) {
return complete(ctx, parsedCmd, ctx.getOperationCandidatesProvider(), buffer, cursor, candidates);
}
public int complete(CommandContext ctx, ParsedCommandLine parsedCmd, OperationCandidatesProvider candidatesProvider, final String buffer, int cursor, List candidates) {
if(parsedCmd.isRequestComplete()) {
return -1;
}
if(parsedCmd.endsOnHeaderListStart() || parsedCmd.hasHeaders()) {
final Map headers = candidatesProvider.getHeaders(ctx);
if(headers.isEmpty()) {
return -1;
}
int result = buffer.length();
if(parsedCmd.getLastHeaderName() != null) {
if(buffer.endsWith(parsedCmd.getLastHeaderName())) {
result = parsedCmd.getLastChunkIndex();
for(String name : headers.keySet()) {
if(!parsedCmd.hasHeader(name) && name.startsWith(parsedCmd.getLastHeaderName())) {
candidates.add(name);
}
}
} else {
final OperationRequestHeader header = headers.get(parsedCmd.getLastHeaderName());
if(header == null) {
return -1;
}
final CommandLineCompleter headerCompleter = header.getCompleter();
if(headerCompleter == null) {
return -1;
}
int valueResult = headerCompleter.complete(ctx, buffer.substring(parsedCmd.getLastChunkIndex()), cursor, candidates);
if(valueResult < 0) {
return -1;
}
result = parsedCmd.getLastChunkIndex() + valueResult;
}
} else {
if(!parsedCmd.hasHeaders()) {
candidates.addAll(headers.keySet());
} else if(parsedCmd.endsOnHeaderSeparator()) {
candidates.addAll(headers.keySet());
for(ParsedOperationRequestHeader parsed : parsedCmd.getHeaders()) {
candidates.remove(parsed.getName());
}
} else {
final ParsedOperationRequestHeader lastParsedHeader = parsedCmd.getLastHeader();
final OperationRequestHeader lastHeader = headers.get(lastParsedHeader.getName());
if(lastHeader == null) {
return -1;
}
final CommandLineCompleter headerCompleter = lastHeader.getCompleter();
if(headerCompleter == null) {
return -1;
}
result = headerCompleter.complete(ctx, buffer, cursor, candidates);
}
}
Collections.sort(candidates);
return result;
}
if(parsedCmd.endsOnPropertyListEnd()) {
return buffer.length();
}
if (parsedCmd.hasProperties() || parsedCmd.endsOnPropertyListStart()) {
final Collection allArgs = candidatesProvider.getProperties(ctx, parsedCmd.getOperationName(), parsedCmd.getAddress());
if (allArgs.isEmpty()) {
final CommandLineFormat format = parsedCmd.getFormat();
if(format != null && format.getPropertyListEnd() != null) {
candidates.add(format.getPropertyListEnd());
}
return buffer.length();
}
try {
if (!parsedCmd.hasProperties()) {
for (CommandArgument arg : allArgs) {
if (arg.canAppearNext(ctx)) {
if (arg.getIndex() >= 0) {
final CommandLineCompleter valCompl = arg.getValueCompleter();
if (valCompl != null) {
valCompl.complete(ctx, "", 0, candidates);
}
} else {
String argName = arg.getFullName();
if (arg.isValueRequired()) {
argName += '=';
}
candidates.add(argName);
}
}
}
Collections.sort(candidates);
return buffer.length();
}
} catch (CommandFormatException e) {
return -1;
}
int result = buffer.length();
String chunk = null;
CommandLineCompleter valueCompleter = null;
if (!parsedCmd.endsOnPropertySeparator()) {
final String argName = parsedCmd.getLastParsedPropertyName();
final String argValue = parsedCmd.getLastParsedPropertyValue();
if (argValue != null || parsedCmd.endsOnPropertyValueSeparator()) {
result = parsedCmd.getLastChunkIndex();
if (parsedCmd.endsOnPropertyValueSeparator()) {
++result;// it enters on '='
}
chunk = argValue;
if (argName != null) {
valueCompleter = getValueCompleter(ctx, allArgs, argName);
} else {
valueCompleter = getValueCompleter(ctx, allArgs, parsedCmd.getOtherProperties().size() - 1);
}
if (valueCompleter == null) {
if (parsedCmd.endsOnSeparator()) {
return -1;
}
for (CommandArgument arg : allArgs) {
try {
if (arg.canAppearNext(ctx) && !arg.getFullName().equals(argName)) {
return -1;
}
} catch (CommandFormatException e) {
break;
}
}
final CommandLineFormat format = parsedCmd.getFormat();
if(format != null && format.getPropertyListEnd() != null) {
candidates.add(format.getPropertyListEnd());
}
return buffer.length();
}
} else {
chunk = argName;
result = parsedCmd.getLastChunkIndex();
}
} else {
chunk = null;
}
if (valueCompleter != null) {
int valueResult = valueCompleter.complete(ctx, chunk == null ? "" : chunk, 0, candidates);
if (valueResult < 0) {
return valueResult;
} else {
return result + valueResult;
}
}
for (CommandArgument arg : allArgs) {
try {
if (arg.canAppearNext(ctx)) {
if (arg.getIndex() >= 0) {
CommandLineCompleter valCompl = arg.getValueCompleter();
if (valCompl != null) {
final String value = chunk == null ? "" : chunk;
valCompl.complete(ctx, value, value.length(), candidates);
}
} else {
String argFullName = arg.getFullName();
if (chunk == null) {
if (arg.isValueRequired()) {
argFullName += '=';
}
candidates.add(argFullName);
} else if (argFullName.startsWith(chunk)) {
if (arg.isValueRequired()) {
argFullName += '=';
}
candidates.add(argFullName);
}
}
}
} catch (CommandFormatException e) {
e.printStackTrace();
return -1;
}
}
if (candidates.isEmpty()) {
if (chunk == null && !parsedCmd.endsOnSeparator()) {
final CommandLineFormat format = parsedCmd.getFormat();
if(format != null && format.getPropertyListEnd() != null) {
candidates.add(format.getPropertyListEnd());
}
}
} else {
Collections.sort(candidates);
}
return result;
}
if(parsedCmd.hasOperationName() || parsedCmd.endsOnAddressOperationNameSeparator()) {
if(parsedCmd.getAddress().endsOnType()) {
return -1;
}
final Collection names = candidatesProvider.getOperationNames(ctx, parsedCmd.getAddress());
if(names.isEmpty()) {
return -1;
}
final String chunk = parsedCmd.getOperationName();
if(chunk == null) {
candidates.addAll(names);
} else {
for (String name : names) {
if (name.startsWith(chunk)) {
candidates.add(name);
}
}
}
Collections.sort(candidates);
if(parsedCmd.endsOnSeparator()) {
return buffer.length();//parsedCmd.getLastSeparatorIndex() + 1;
} else {
if(chunk != null && candidates.size() == 1 && chunk.equals(candidates.get(0))
&& parsedCmd.getFormat().getPropertyListStart().length() > 0) {
candidates.set(0, chunk + parsedCmd.getFormat().getPropertyListStart());
}
return parsedCmd.getLastChunkIndex();
}
}
final OperationRequestAddress address = parsedCmd.getAddress();
if(buffer.endsWith("..")) {
return -1;
}
final String chunk;
if (address.isEmpty() || parsedCmd.endsOnNodeSeparator()
|| parsedCmd.endsOnNodeTypeNameSeparator()
|| address.equals(ctx.getCurrentNodePath())) {
chunk = null;
} else if (address.endsOnType()) {
chunk = address.getNodeType();
address.toParentNode();
} else {
chunk = address.toNodeType();
}
final Collection names;
if(address.endsOnType()) {
names = candidatesProvider.getNodeNames(ctx, address);
} else {
names = candidatesProvider.getNodeTypes(ctx, address);
}
if(names.isEmpty()) {
return -1;
}
if(chunk == null) {
candidates.addAll(names);
} else {
for (String name : names) {
if (name.startsWith(chunk)) {
candidates.add(name);
}
}
}
if(candidates.size() == 1) {
if(address.endsOnType()) {
if(chunk != null && chunk.equals(candidates.get(0))) {
candidates.set(0, parsedCmd.getFormat().getAddressOperationSeparator());
candidates.add(parsedCmd.getFormat().getNodeSeparator());
return buffer.length();
} else {
candidates.set(0, Util.escapeString(candidates.get(0), ESCAPE_SELECTOR));
}
} else {
candidates.set(0, Util.escapeString(candidates.get(0), ESCAPE_SELECTOR) + '=');
}
} else {
Util.sortAndEscape(candidates, ESCAPE_SELECTOR);
}
return parsedCmd.endsOnSeparator() ? parsedCmd.getLastSeparatorIndex() + 1 : parsedCmd.getLastChunkIndex();
}
protected CommandLineCompleter getValueCompleter(CommandContext ctx, Iterable allArgs, final String argName) {
CommandLineCompleter result = null;
for (CommandArgument arg : allArgs) {
if (arg.getFullName().equals(argName)) {
return arg.getValueCompleter();
} else if(arg.getIndex() == Integer.MAX_VALUE) {
result = arg.getValueCompleter();
}
}
return result;
}
protected CommandLineCompleter getValueCompleter(CommandContext ctx, Iterable allArgs, int index) {
CommandLineCompleter maxIndex = null;
for (CommandArgument arg : allArgs) {
if (arg.getIndex() == index) {
return arg.getValueCompleter();
} else if(arg.getIndex() == Integer.MAX_VALUE) {
maxIndex = arg.getValueCompleter();
}
}
return maxIndex;
}
}
