SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package net.multiphasicapps.markdownwriter;

import java.io.IOException;

/**
 * This is for writing normal text that exists within a paragraph.
 *
 * @since 2016/10/02
 */
class __SectionParagraph__
    extends __Section__
{
    /** Just started the paragraph? */
    volatile boolean _juststarted =
        true;
    
    /**
     * Initializes the paragraph.
     *
     * @param __mdw The owning writer.
     * @throws IOException On read/write errors.
     * @since 2016/10/02
     */
    __SectionParagraph__(MarkdownWriter __mdw)
        throws IOException
    {
        super(__mdw);
    }
    
    /**
     * {@inheritDoc}
     * @since 2016/10/02
     */
    @Override
    void __endSection()
        throws IOException
    {
        // Make sure we do the starting space
        this.__justStarted();
        
        super.__endSection();
        
        // Add newline after the first column
        MarkdownWriter writer = this.writer;
        if (writer._column > 0)
            writer.__put('\n', true);
    }
    
    /**
     * {@inheritDoc}
     * @since 2016/10/02
     */
    @Override
    void __process(char __c)
        throws IOException
    {
        // If the paragraph just started then add a spacing newline before
        // its content
        MarkdownWriter writer = this.writer;
        this.__justStarted();
        
        // If this is whitespace then do not print it on the first column ever
        if (MarkdownWriter.__isWhitespace(__c) && writer._column == 0)
            return;
        
        // Write character
        if (__c > 0)
            writer.__put(__c, true);
    }
    
    /**
     * Performs actions for when the paragraph was just started.
     * 
     * @throws IOException On write errors.
     * @since 2022/08/30
     */
    private void __justStarted()
        throws IOException
    {
        // If the paragraph just started then add a spacing newline before
        // its content
        MarkdownWriter writer = this.writer;
        if (this._juststarted)
        {
            // Add blank lines before section
            while (writer._zeroLines < 1) 
                writer.__put('\n', true);
            
            // No longer started
            this._juststarted = false;
        }
    }
}