/**
 * $Id: css.h,v 1.1.1.1 2002/04/22 09:24:34 bursa Exp $
 */

#include "css_enum.h"

/**
 * structures and typedefs
 */

typedef unsigned long colour;  /* 0xrrggbb */
#define TRANSPARENT 0x1000000

struct css_length {
	float value;
	css_unit unit;
};

struct css_style {
	css_display display;
	css_float float_;

	struct {
		enum { CSS_FONT_SIZE_INHERIT,
		       CSS_FONT_SIZE_ABSOLUTE,
		       CSS_FONT_SIZE_LENGTH,
		       CSS_FONT_SIZE_PERCENT } size;
		union {
			float absolute;
			struct css_length length;
			float percent;
		} value;
	} font_size;

	struct {
		enum { CSS_HEIGHT_AUTO,
		       CSS_HEIGHT_LENGTH } height;
		struct css_length length;
	} height;

	struct {
		enum { CSS_WIDTH_AUTO,
		       CSS_WIDTH_LENGTH,
		       CSS_WIDTH_PERCENT } width;
		union {
			struct css_length length;
			float percent;
		} value;
	} width;


	enum { BACKGROUND_SCROLL = 1, BACKGROUND_FIXED } background_attachment;
	colour background_color;
	/* char background_image[100]; */
	/* background-position */
	enum { BACKGROUND_REPEAT = 1, BACKGROUND_REPEAT_X,
	       BACKGROUND_REPEAT_Y, BACKGROUND_NO_REPEAT } background_repeat;
	/* borders */
	enum { CLEAR_NONE = 1, CLEAR_BOTH, CLEAR_LEFT, CLEAR_RIGHT } clear;
	colour color;
	/* font-family */
	enum { FONT_STRAIGHT, FONT_OBLIQUE, FONT_ITALIC } font_style;
	enum { FONT_NORMAL, FONT_SMALLCAPS } font_variant;
	struct {
		enum { WEIGHT_ABSOLUTE, WEIGHT_BOLDER, WEIGHT_LIGHTER } weight;
		unsigned int value;
	} font_weight;
};

struct css_stylesheet;

struct css_selector {
	char * element;
	char * class;
	char * id;
};

/**
 * interface
 */

struct css_stylesheet * css_new_stylesheet(void);
void css_get_style(struct css_stylesheet * stylesheet, struct css_selector * selector,
			unsigned int selectors, struct css_style * style);
void css_parse_stylesheet(struct css_stylesheet * stylesheet, char * str);
void css_dump_style(const struct css_style * const style);
void css_cascade(struct css_style * const style, const struct css_style * const apply);