/*
 * Copyright (c) 2010, 2020, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package jdk.javadoc.internal.doclets.formats.html.markup;

import java.io.IOException;
import java.io.Writer;

import jdk.javadoc.internal.doclets.toolkit.Content;
import jdk.javadoc.internal.doclets.toolkit.util.DocletConstants;

Class for generating string content for HTML tags of javadoc output.
 
This is NOT part of any supported API.
 If you write code that depends on this, you do so at your own risk.
 This code and its internal interfaces are subject to change or
 deletion without notice.
/**
 * Class for generating string content for HTML tags of javadoc output.
 *
 *  <p><b>This is NOT part of any supported API.
 *  If you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 */
public class StringContent extends Content {

    private final StringBuilder stringContent;

    
Constructor to construct StringContent object.
/**
     * Constructor to construct StringContent object.
     */
    public StringContent() {
        stringContent = new StringBuilder();
    }

    
Constructor to construct StringContent object with some initial content.
Params:
initialContent – initial content for the object/**
     * Constructor to construct StringContent object with some initial content.
     *
     * @param initialContent initial content for the object
     */
    public StringContent(CharSequence initialContent) {
        stringContent = new StringBuilder();
        Entity.escapeHtmlChars(initialContent, stringContent);
    }

    
Adds content for the StringContent object.  The method escapes
HTML characters for the string content that is added.
Params:
strContent – string content to be added/**
     * Adds content for the StringContent object.  The method escapes
     * HTML characters for the string content that is added.
     *
     * @param strContent string content to be added
     */
    @Override
    public StringContent add(CharSequence strContent) {
        Entity.escapeHtmlChars(strContent, stringContent);
        return this;
    }

    @Override
    public boolean isEmpty() {
        return (stringContent.length() == 0);
    }

    @Override
    public int charCount() {
        return RawHtml.charCount(stringContent.toString());
    }

    @Override
    public String toString() {
        return stringContent.toString();
    }

    @Override
    public boolean write(Writer out, boolean atNewline) throws IOException {
        String s = stringContent.toString();
        out.write(s);
        return s.endsWith(DocletConstants.NL);
    }
}