#include <stdio.h>
#include <stdlib.h>

#include "stylesheet.h"
#include "frame.h"

int
term_pixel(Frame *f, SSTerm *t, int def)
{
	if (!t)
		return def;

	switch (t->type) {
	case SSTERM_LENGTH_PX:
		return t->num;
		break;
	case SSTERM_NUMBER:
	case SSTERM_LENGTH_PT:
	case SSTERM_LENGTH_MM:
	case SSTERM_LENGTH_CM:
	case SSTERM_LENGTH_PC:
	case SSTERM_LENGTH_IN:
	case SSTERM_EMS:
	case SSTERM_EXS:
		return def;
	case SSTERM_PERCENTAGE:
		{
			BlockFormatInfo *bfi = frame_get_blockformatinfo(f);
			return WIDTH * t->num / 100;
		}
	default:
		return def;
	}
}

int
term_text_align(SSTerm *t, AlignMode def)
{
	if (!t)
		return def;

	switch (t->type) {
	case SSTERM_IDENT:
		if (t->id == StringToSSID("center"))
			return ALIGN_CENTER;	
		else if (t->id == StringToSSID("left"))
			return ALIGN_LEFT;	
		else if (t->id == StringToSSID("right"))
			return ALIGN_RIGHT;	
		else if (t->id == StringToSSID("justify"))
			return ALIGN_JUSTIFY;	
	default:
		return def;
	}
}

SSTerm 
term_line_height(Frame *f, SSTerm *t, SSTerm def)
{
	if (!t)
		return def;

	switch (t->type) {
	case SSTERM_NUMBER:
	case SSTERM_LENGTH_PT:
	case SSTERM_LENGTH_MM:
	case SSTERM_LENGTH_CM:
	case SSTERM_LENGTH_PC:
	case SSTERM_LENGTH_IN:
	case SSTERM_LENGTH_PX:
	case SSTERM_EMS:
	case SSTERM_EXS:
		return *t;
	case SSTERM_IDENT:
		if (t->id == StringToSSID("normal")) {
			SSTerm ret = { SSTERM_NUMBER, 1.2, 0, NULL };
			return ret;
		}
	case SSTERM_PERCENTAGE:
		/* change to length */	/* font size * percent */
	default:
		return def;
	}
}

int
dummy(SSTerm *t)
{
	switch (t->type) {
	case SSTERM_NUMBER:
	case SSTERM_PERCENTAGE:
	case SSTERM_LENGTH_PT:
	case SSTERM_LENGTH_MM:
	case SSTERM_LENGTH_CM:
	case SSTERM_LENGTH_PC:
	case SSTERM_LENGTH_IN:
	case SSTERM_LENGTH_PX:
	case SSTERM_EMS:
	case SSTERM_EXS:
	case SSTERM_IDENT:
	case SSTERM_STRING:
	case SSTERM_HEXCOLOR:
	case SSTERM_URL:
	case SSTERM_RGB:
	break;
	}
	return 0;
}