/*
 * This file is part of RUfl
 * Licensed under the MIT License,
 *                http://www.opensource.org/licenses/mit-license
 * Copyright 2005 James Bursa <james@semichrome.net>
 */

#include <stdio.h>
#include "rufl_internal.h"


static void rufl_dump_character_set(struct rufl_character_set *charset);
static void rufl_dump_unicode_map(struct rufl_unicode_map *umap);
static void rufl_dump_substitution_table(void);


/**
 * Dump the internal library state to stdout.
 */

void rufl_dump_state(void)
{
	unsigned int i, j;

	printf("rufl_font_list:\n");
	for (i = 0; i != rufl_font_list_entries; i++) {
		printf("  %u \"%s\"\n", i, rufl_font_list[i].identifier);
		if (rufl_font_list[i].charset) {
			printf("    ");
			rufl_dump_character_set(rufl_font_list[i].charset);
			printf("\n");
		} else {
			printf("    (no charset table)\n");
		}
		if (rufl_font_list[i].umap) {
			printf("    ");
			rufl_dump_unicode_map(rufl_font_list[i].umap);
			printf("\n");
                }
	}

	printf("rufl_family_list:\n");
	for (i = 0; i != rufl_family_list_entries; i++) {
		printf("  %u \"%s\"\n", i, rufl_family_list[i]);
		for (j = 0; j != rufl_STYLES; j++)
			printf("    %u \"%s\"\n", j, rufl_font_list
					[rufl_family_map[rufl_STYLES * i + j]]
					.identifier);
	}

	printf("rufl_substitution_table:\n");
	rufl_dump_substitution_table();
}


/**
 * Dump a representation of a character set to stdout.
 *
 * \param  charset  character set to print
 */

void rufl_dump_character_set(struct rufl_character_set *charset)
{
	unsigned int u, t;

	u = 0;
	while (u != 0x10000) {
		while (u != 0x10000 && !rufl_character_set_test(charset, u))
			u++;
		if (u != 0x10000) {
			if (!rufl_character_set_test(charset, u + 1)) {
				printf("%x ", u);
				u++;
			} else {
				t = u;
				while (rufl_character_set_test(charset, u))
					u++;
				printf("%x-%x ", t, u - 1);
			}
		}
	}
}


/**
 * Dump a representation of a unicode map to stdout.
 *
 * \param  umap  unicode map to print
 */

void rufl_dump_unicode_map(struct rufl_unicode_map *umap)
{
	unsigned int i;

	for (i = 0; i != umap->entries; i++)
		printf("%x:%x ", umap->map[i].u, umap->map[i].c);
}


/**
 * Dump a representation of the substitution table to stdout.
 */

void rufl_dump_substitution_table(void)
{
	unsigned int font;
	unsigned int u, t;

	u = 0;
	while (u != 0x10000) {
		t = u;
		font = rufl_substitution_table[t];
		while (u != 0x10000 && font == rufl_substitution_table[u])
			u++;
		if (font != NOT_AVAILABLE)
			printf("  %x-%x => %u \"%s\"\n", t, u - 1,
					font, rufl_font_list[font].identifier);
	}
}