/* -*- mode: C++; tab-width: 4; c-basic-offset: 4; -*- */

/* AbiWord
 * Copyright (C) 1998-2000 AbiSource, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#include "stdlib.h"
#include "string.h"
#include "ctype.h"

#include "pp_PropertyMap.h"

PP_PropertyMap::TypeColor PP_PropertyMap::color_type (const char * property)
{
	TypeColor color = color__unset;

	if (property == 0) return color; // erk!

	if (strcmp (property, "inherit") == 0)
		color = color_inherit;
	else if (strcmp (property, "transparent") == 0)
		color = color_transparent;
	else
		color = color_color;

	return color;
}

PP_PropertyMap::TypeLineStyle PP_PropertyMap::linestyle_type (const char * property)
{
	TypeLineStyle linestyle = linestyle__unset;

	if ( property == 0) return linestyle; // erk!
	if (*property == 0) return linestyle; // erk!

	unsigned char u = static_cast<unsigned char>(*property);
	if (isdigit (static_cast<int>(u)))
		{
			int i = atoi (property);
			if ((i < 0) || (i + 1 >= static_cast<int>(linestyle_inherit)))
				{
					/* line-style out of range
					   */
					return linestyle_solid; // erk!
				}
			return static_cast<TypeLineStyle>(i + 1);
		}

	if (strcmp (property, "inherit") == 0)
		linestyle = linestyle_inherit;
	else if (strcmp (property, "none")   == 0)
		linestyle = linestyle_none;
	else if (strcmp (property, "solid")  == 0)
		linestyle = linestyle_solid;
	else if (strcmp (property, "dotted") == 0)
		linestyle = linestyle_dotted;
	else if (strcmp (property, "dashed") == 0)
		linestyle = linestyle_dashed;
	else
		linestyle = linestyle_solid; // erk!

	return linestyle;
}

PP_PropertyMap::TypeThickness PP_PropertyMap::thickness_type (const char * property)
{
	TypeThickness thickness = thickness__unset;

	if (property == 0) return thickness; // erk!

	if (strcmp (property, "inherit") == 0)
		thickness = thickness_inherit;
	else
		thickness = thickness_length;

	return thickness;
}

PP_PropertyMap::TypeBackground PP_PropertyMap::background_type (const char * property)
{
	TypeBackground background = background__unset;

	if ( property == 0) return background; // erk!
	if (*property == 0) return background; // erk!

	unsigned char u = static_cast<unsigned char>(*property);

 // colours can have digits as their first character ie "1f7399". Use string
 // length as an additional hueristic to detect if property is a color string
 //

	if (isdigit (static_cast<int>(u)) && (strlen(property)<3)) 
		{
			int i = atoi (property);
			if ((i < 0) || (i + 1 >= static_cast<int>(background_inherit)))
				{
					/* line-style out of range
					 */
					return background_none; // erk!
				}
			return static_cast<TypeBackground>(i + 1);
		}

	if (strcmp (property, "inherit") == 0)
		background = background_inherit;
	else if ((strcmp (property, "none")  == 0) || (strcmp (property, "transparent") == 0))
		background = background_none;
	else 
		background = background_solid;

	return background;
}

static const char * s_linestyle[4] = {
	"none",
	"solid",
	"dotted",
	"dashed"
};

const char * PP_PropertyMap::linestyle_for_CSS (const char * property)
{
	if (property == 0) return s_linestyle[0];

	unsigned char u = static_cast<unsigned char>(*property);
	if (!isdigit (static_cast<int>(u))) return property;

	if ((*property > '0') && (*property < '4')) return s_linestyle[*property - '0'];

	return s_linestyle[0];
}

PP_PropertyMap::Line::Line () :
	m_t_color(color__unset),
	m_t_linestyle(linestyle__unset),
	m_t_thickness(thickness__unset),
	m_color(0,0,0),	// in case of color_color
	m_thickness(1)	// in case of thickness_length
{
	// 
}

void PP_PropertyMap::Line::reset ()
{
	m_t_color = color__unset;
	m_t_linestyle = linestyle__unset;
	m_t_thickness = thickness__unset;
}

PP_PropertyMap::Background::Background () :
	m_t_background(background__unset),
	m_color(256,256,256)
{
	// 
}

void PP_PropertyMap::Background::reset () // restore defaults
{
	m_t_background = background__unset;
}