org.jboss.as.cli.parsing.command.ArgumentState Maven / Gradle / Ivy
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*
* This is free software; you can redistribute it and/or modify it
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* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* 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
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package org.jboss.as.cli.parsing.command;
import org.jboss.as.cli.CommandFormatException;
import org.jboss.as.cli.parsing.CharacterHandler;
import org.jboss.as.cli.parsing.DefaultParsingState;
import org.jboss.as.cli.parsing.EnterStateCharacterHandler;
import org.jboss.as.cli.parsing.GlobalCharacterHandlers;
import org.jboss.as.cli.parsing.LineBreakHandler;
import org.jboss.as.cli.parsing.ParsingContext;
import org.jboss.as.cli.parsing.WordCharacterHandler;
/**
*
* @author Alexey Loubyansky
*/
public class ArgumentState extends DefaultParsingState {
public static final ArgumentState INSTANCE = new ArgumentState();
public static final String ID = "PROP";
ArgumentState() {
this(ArgumentValueState.INSTANCE);
}
ArgumentState(ArgumentValueState valueState) {
super(ID);
setEnterHandler(GlobalCharacterHandlers.CONTENT_CHARACTER_HANDLER);
final NameValueSeparatorState nvSep = new NameValueSeparatorState(valueState);
enterState('=', nvSep);
//setLeaveOnWhitespace(true);
setDefaultHandler(WordCharacterHandler.IGNORE_LB_ESCAPE_ON);
setWhitespaceHandler(new EnterStateCharacterHandler(new WhitespaceState()));
setReturnHandler(new CharacterHandler(){
@Override
public void handle(ParsingContext ctx) throws CommandFormatException {
if(ctx.isEndOfContent()) {
ctx.leaveState();
} else if(ctx.getCharacter() == '=') {
ctx.enterState(nvSep);
} else {
ctx.leaveState();
}
}});
}
private static class WhitespaceState extends DefaultParsingState {
public WhitespaceState() {
super("WS");
setDefaultHandler(new CharacterHandler(){
@Override
public void handle(ParsingContext ctx) throws CommandFormatException {
if(!Character.isWhitespace(ctx.getCharacter())) {
ctx.leaveState();
}
}});
}
@Override
public boolean updateValueIndex() {
return false;
}
}
private static class NameValueSeparatorState extends DefaultParsingState {
NameValueSeparatorState(final ArgumentValueState valueState) {
super("NAME_VALUE_SEPARATOR");
setDefaultHandler(new LineBreakHandler(false, false){
@Override
protected void doHandle(ParsingContext ctx) throws CommandFormatException {
ctx.enterState(valueState);
}
});
setReturnHandler(GlobalCharacterHandlers.LEAVE_STATE_HANDLER);
setIgnoreWhitespaces(true);
}
};
}