/*
 * This file is part of LibCSS.
 * Licensed under the MIT License,
 *                http://www.opensource.org/licenses/mit-license.php
 * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
 */

#include <string.h>

#include "bytecode/bytecode.h"
#include "bytecode/opcodes.h"
#include "parse/properties/properties.h"
#include "parse/properties/utils.h"

css_error parse_caption_side(css_language *c, 
		const parserutils_vector *vector, int *ctx, 
		css_style **result)
{
	css_error error;
	const css_token *ident;
	uint8_t flags = 0;
	uint16_t value = 0;
	uint32_t opv;

	/* IDENT (top, bottom, inherit) */
	ident = parserutils_vector_iterate(vector, ctx);
	if (ident == NULL || ident->type != CSS_TOKEN_IDENT)
		return CSS_INVALID;

	error = parse_important(c, vector, ctx, &flags);
	if (error != CSS_OK)
		return error;

	if (ident->ilower == c->strings[INHERIT]) {
		flags |= FLAG_INHERIT;
	} else if (ident->ilower == c->strings[TOP]) {
		value = CAPTION_SIDE_TOP;
	} else if (ident->ilower == c->strings[BOTTOM]) {
		value = CAPTION_SIDE_BOTTOM;
	} else
		return CSS_INVALID;

	opv = buildOPV(CSS_PROP_CAPTION_SIDE, flags, value);

	/* Allocate result */
	error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
	if (error != CSS_OK)
		return error;

	/* Copy the bytecode to it */
	memcpy((*result)->bytecode, &opv, sizeof(opv));

	return CSS_OK;
}

css_error parse_empty_cells(css_language *c, 
		const parserutils_vector *vector, int *ctx, 
		css_style **result)
{
	css_error error;
	const css_token *ident;
	uint8_t flags = 0;
	uint16_t value = 0;
	uint32_t opv;

	/* IDENT (show, hide, inherit) */
	ident = parserutils_vector_iterate(vector, ctx);
	if (ident == NULL || ident->type != CSS_TOKEN_IDENT)
		return CSS_INVALID;

	error = parse_important(c, vector, ctx, &flags);
	if (error != CSS_OK)
		return error;

	if (ident->ilower == c->strings[INHERIT]) {
		flags |= FLAG_INHERIT;
	} else if (ident->ilower == c->strings[SHOW]) {
		value = EMPTY_CELLS_SHOW;
	} else if (ident->ilower == c->strings[HIDE]) {
		value = EMPTY_CELLS_HIDE;
	} else
		return CSS_INVALID;

	opv = buildOPV(CSS_PROP_EMPTY_CELLS, flags, value);

	/* Allocate result */
	error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
	if (error != CSS_OK)
		return error;

	/* Copy the bytecode to it */
	memcpy((*result)->bytecode, &opv, sizeof(opv));

	return CSS_OK;
}

css_error parse_table_layout(css_language *c, 
		const parserutils_vector *vector, int *ctx, 
		css_style **result)
{
	css_error error;
	const css_token *ident;
	uint8_t flags = 0;
	uint16_t value = 0;
	uint32_t opv;

	/* IDENT (auto, fixed, inherit) */
	ident = parserutils_vector_iterate(vector, ctx);
	if (ident == NULL || ident->type != CSS_TOKEN_IDENT)
		return CSS_INVALID;

	error = parse_important(c, vector, ctx, &flags);
	if (error != CSS_OK)
		return error;

	if (ident->ilower == c->strings[INHERIT]) {
		flags |= FLAG_INHERIT;
	} else if (ident->ilower == c->strings[AUTO]) {
		value = TABLE_LAYOUT_AUTO;
	} else if (ident->ilower == c->strings[FIXED]) {
		value = TABLE_LAYOUT_FIXED;
	} else
		return CSS_INVALID;

	opv = buildOPV(CSS_PROP_TABLE_LAYOUT, flags, value);

	/* Allocate result */
	error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
	if (error != CSS_OK)
		return error;

	/* Copy the bytecode to it */
	memcpy((*result)->bytecode, &opv, sizeof(opv));

	return CSS_OK;
}