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 the base section for numerical values.
 *
 * @since 2016/10/02
 */
abstract class __SectionList__
    extends __Section__
{
    /** The current indentation level. */
    volatile int _indent;
    
    /** The character depth (characters used for the bullet). */
    volatile int _cdepth;
    
    /** Create new item entry? */
    volatile boolean _newitem =
        true;
    
    /**
     * Initializes the base for lists.
     *
     * @param __mdw The owning writer.
     * @throws IOException On read/write errors.
     * @since 2016/10/02
     */
    __SectionList__(MarkdownWriter __mdw)
        throws IOException
    {
        super(__mdw);
        
        // If the section before this one is a list then
        __Section__ sectionbefore = this._sectionbefore;
        if (sectionbefore instanceof __SectionList__)
        {
            __SectionList__ was = (__SectionList__)sectionbefore;
            this._indent = was._indent + 1 + was._cdepth;
        }
        
        // Otherwise, start a new list
        else
            this._indent = 1;
    }
    
    /**
     * Prints the list characters.
     *
     * @throws IOException On write errors.
     * @since 2016/10/02
     */
    abstract void __listCharacters()
        throws IOException;
    
    /**
     * {@inheritDoc}
     * @since 2016/10/02
     */
    @Override
    void __process(char __c)
        throws IOException
    {
        // If writing a new item, write it
        MarkdownWriter writer = this.writer;
        if (this._newitem)
        {
            // Do not write any more new items
            this._newitem = false;
            
            // Add new line, if needed
            if (writer._column > 0)
                writer.__put('\n', true);
            
            // Indent with spaces first
            int indent = this._indent;
            for (int i = 0; i < indent; i++)
                writer.__put(' ', true);
            
            // Add list characters
            this.__listCharacters();
            
            // Add space
            writer.__put(' ', true);
        }
        
        // Indent?
        if (writer._column == 0)
        {
            int indent = this._indent + 1 + this._cdepth;
            for (int i = 0; i < indent; i++)
                writer.__put(' ', true);
        }
        
        // Write normal character
        if (__c > 0)
            writer.__put(__c, true);
    }
}