/*
 * Copyright (c) 2016, Oracle and/or its affiliates.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
 * with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.oracle.truffle.llvm.parser.model.symbols.constants;

import com.oracle.truffle.llvm.parser.model.visitors.ConstantVisitor;
import com.oracle.truffle.llvm.runtime.types.Type;

public final class StringConstant extends AbstractConstant {

    private final String value;

    private final boolean isCString;

    public StringConstant(Type type, String value, boolean isCString) {
        super(type);
        this.value = value;
        this.isCString = isCString;
    }

    @Override
    public void accept(ConstantVisitor visitor) {
        visitor.visit(this);
    }

    public String getString() {
        return value;
    }

    public boolean isCString() {
        return isCString;
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();

        sb.append("c\"");
        for (int i = 0; i < value.length(); i++) {
            byte b = (byte) value.charAt(i);
            if (b < ' ' || b >= '~') {
                sb.append(String.format("\\%02X", b));
            } else {
                sb.append((char) b);
            }
        }
        sb.append("\"");

        return sb.toString();
    }
}