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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2016 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser 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.
*/
package com.github.javaparser.ast.expr;
import com.github.javaparser.ast.AllFieldsConstructor;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.visitor.CloneVisitor;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;
import com.github.javaparser.metamodel.CharLiteralExprMetaModel;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import com.github.javaparser.utils.StringEscapeUtils;
import com.github.javaparser.utils.Utils;
import javax.annotation.Generated;
import com.github.javaparser.TokenRange;
import java.util.function.Consumer;
import java.util.Optional;
/**
* A literal character.
* <br/><code>'a'</code>
* <br/><code>'\t'</code>
* <br/><code>'Ω'</code>
* <br/><code>'\177'</code>
* <br/><code>'💩'</code>
*
* @author Julio Vilmar Gesser
*/
public final class CharLiteralExpr extends LiteralStringValueExpr {
public CharLiteralExpr() {
this(null, "?");
}
@AllFieldsConstructor
public CharLiteralExpr(String value) {
this(null, value);
}
/**
* Constructs a CharLiteralExpr with given escaped character.
*
* @param value a char
*/
public CharLiteralExpr(char value) {
this(null, StringEscapeUtils.escapeJava(String.valueOf(value)));
}
/**
* This constructor is used by the parser and is considered private.
*/
@Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
public CharLiteralExpr(TokenRange tokenRange, String value) {
super(tokenRange, value);
customInitialization();
}
/**
* Utility method that creates a new StringLiteralExpr. Escapes EOL characters.
*/
public static CharLiteralExpr escape(String string) {
return new CharLiteralExpr(Utils.escapeEndOfLines(string));
}
@Override
@Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
return v.visit(this, arg);
}
@Override
@Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
public <A> void accept(final VoidVisitor<A> v, final A arg) {
v.visit(this, arg);
}
@Override
@Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
public boolean remove(Node node) {
if (node == null)
return false;
return super.remove(node);
}
/**
* @return the unescaped value character of this literal
*/
public char asChar() {
return StringEscapeUtils.unescapeJava(value).charAt(0);
}
/**
* Sets the given char as the literal value
*
* @param value a char
* @return this expression
*/
public CharLiteralExpr setChar(char value) {
this.value = String.valueOf(value);
return this;
}
@Override
@Generated("com.github.javaparser.generator.core.node.CloneGenerator")
public CharLiteralExpr clone() {
return (CharLiteralExpr) accept(new CloneVisitor(), null);
}
@Override
@Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
public CharLiteralExprMetaModel getMetaModel() {
return JavaParserMetaModel.charLiteralExprMetaModel;
}
@Override
@Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
public boolean replace(Node node, Node replacementNode) {
if (node == null)
return false;
return super.replace(node, replacementNode);
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public boolean isCharLiteralExpr() {
return true;
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public CharLiteralExpr asCharLiteralExpr() {
return this;
}
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public void ifCharLiteralExpr(Consumer<CharLiteralExpr> action) {
action.accept(this);
}
@Override
public Optional<CharLiteralExpr> toCharLiteralExpr() {
return Optional.of(this);
}
}
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