[babeltrace.git] / types / enum.c

/*
 * enum.c
 *
 * BabelTrace - Enumeration Type
 *
 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 */

#include <babeltrace/compiler.h>
#include <babeltrace/format.h>
#include <stdint.h>
#include <glib.h>

static
void enum_range_set_free(void *ptr)
{
	g_array_unref(ptr);
}

/*
 * Returns a GArray or NULL.
 * Caller must release the GArray with g_array_unref().
 */
GArray *enum_uint_to_quark_set(const struct type_class_enum *enum_class,
			       uint64_t v)
{
	struct enum_range_to_quark *iter;
	GArray *qs, *ranges = NULL;

	/* Single values lookup */
	qs = g_hash_table_lookup(enum_class->table.value_to_quark_set, &v);

	/* Range lookup */
	cds_list_for_each_entry(iter, &enum_class->table.range_to_quark, node) {
		if (iter->range.start._unsigned > v || iter->range.end._unsigned < v)
			continue;
		if (!ranges) {
			size_t qs_len = 0;

			if (qs)
				qs_len = qs->len;
			ranges = g_array_sized_new(FALSE, TRUE,
					sizeof(struct enum_range),
					qs_len + 1);
			g_array_set_size(ranges, qs_len + 1);
			if (qs)
				memcpy(ranges->data, qs->data,
				       sizeof(struct enum_range) * qs_len);
			g_array_index(ranges, struct enum_range, qs_len) = iter->range;
		} else {
			g_array_set_size(ranges, ranges->len + 1);
			g_array_index(ranges, struct enum_range, ranges->len) = iter->range;
		}
	}
	if (!ranges)
		ranges = qs;
	return ranges;
}

/*
 * Returns a GArray or NULL.
 * Caller must release the GArray with g_array_unref().
 */
GArray *enum_int_to_quark_set(const struct type_class_enum *enum_class, uint64_t v)
{
	struct enum_range_to_quark *iter;
	GArray *qs, *ranges = NULL;

	/* Single values lookup */
	qs = g_hash_table_lookup(enum_class->table.value_to_quark_set, &v);

	/* Range lookup */
	cds_list_for_each_entry(iter, &enum_class->table.range_to_quark, node) {
		if (iter->range.start._signed > v || iter->range.end._signed < v)
			continue;
		if (!ranges) {
			size_t qs_len = 0;

			if (qs)
				qs_len = qs->len;
			ranges = g_array_sized_new(FALSE, TRUE,
					sizeof(struct enum_range),
					qs_len + 1);
			g_array_set_size(ranges, qs_len + 1);
			if (qs)
				memcpy(ranges->data, qs->data,
				       sizeof(struct enum_range) * qs_len);
			g_array_index(ranges, struct enum_range, qs_len) = iter->range;
		} else {
			g_array_set_size(ranges, ranges->len + 1);
			g_array_index(ranges, struct enum_range, ranges->len) = iter->range;
		}
	}
	if (!ranges)
		ranges = qs;
	return ranges;
}

#if (__WORDSIZE == 32)
static
guint enum_val_hash(gconstpointer key)
{
	int64_t ukey = *(const int64_t *)key;

	return (guint)ukey ^ (guint)(ukey >> 32);
}

static
gboolean enum_val_equal(gconstpointer a, gconstpointer b)
{
	int64_t ua = *(const int64_t *)a;
	int64_t ub = *(const int64_t *)b;

	return ua == ub;
}

static
void enum_val_free(void *ptr)
{
	g_free(ptr);
}

static
void enum_signed_insert_value_to_quark_set(struct type_class_enum *enum_class,
			int64_t v, GQuark q)
{
	int64_t *valuep;
	GArray *array;

	array = g_hash_table_lookup(enum_class->table.value_to_quark_set, &v);
	if (!array) {
		array = g_array_sized_new(FALSE, TRUE, sizeof(GQuark), 1);
		g_array_set_size(array, 1);
		g_array_index(array, GQuark, array->len - 1) = q;
		valuep = g_new(int64_t, 1);
		*valuep = v;
		g_hash_table_insert(enum_class->table.value_to_quark_set, valuep, array);
	} else {
		g_array_set_size(array, array->len + 1);
		g_array_index(array, GQuark, array->len - 1) = q;
	}
}

static
void enum_unsigned_insert_value_to_quark_set(struct type_class_enum *enum_class,
			 uint64_t v, GQuark q)
{
	uint64_t *valuep;
	GArray *array;

	array = g_hash_table_lookup(enum_class->table.value_to_quark_set, &v);
	if (!array) {
		array = g_array_sized_new(FALSE, TRUE, sizeof(GQuark), 1);
		g_array_set_size(array, 1);
		g_array_index(array, GQuark, array->len - 1) = q;
		valuep = g_new(uint64_t, 1);
		*valuep = v;
		g_hash_table_insert(enum_class->table.value_to_quark_set, valuep, array);
	} else {
		g_array_set_size(array, array->len + 1);
		g_array_index(array, GQuark, array->len - 1) = q;
	}
}
#else  /* __WORDSIZE != 32 */
static
guint enum_val_hash(gconstpointer key)
{
	return g_direct_hash(key);
}

static
gboolean enum_val_equal(gconstpointer a, gconstpointer b)
{
	return g_direct_equal(a, b);
}

static
void enum_val_free(void *ptr)
{
}

static
void enum_signed_insert_value_to_quark_set(struct type_class_enum *enum_class,
			int64_t v, GQuark q)
{
	GArray *array;

	array = g_hash_table_lookup(enum_class->table.value_to_quark_set,
				    (gconstpointer) v);
	if (!array) {
		array = g_array_sized_new(FALSE, TRUE, sizeof(GQuark), 1);
		g_array_set_size(array, 1);
		g_array_index(array, GQuark, array->len - 1) = q;
		g_hash_table_insert(enum_class->table.value_to_quark_set,
				    (gconstpointer) v, array);
	} else {
		g_array_set_size(array, array->len + 1);
		g_array_index(array, GQuark, array->len - 1) = q;
	}
}

static
void enum_unsigned_insert_value_to_quark_set(struct type_class_enum *enum_class,
			 uint64_t v, GQuark q)
{
	GArray *array;

	array = g_hash_table_lookup(enum_class->table.value_to_quark_set,
				    (gconstpointer) v);
	if (!array) {
		array = g_array_sized_new(FALSE, TRUE, sizeof(GQuark), 1);
		g_array_set_size(array, 1);
		g_array_index(array, GQuark, array->len - 1) = q;
		g_hash_table_insert(enum_class->table.value_to_quark_set,
				    (gconstpointer) v, array);
	} else {
		g_array_set_size(array, array->len + 1);
		g_array_index(array, GQuark, array->len - 1) = q;
	}
}
#endif /* __WORDSIZE != 32 */

GArray *enum_quark_to_range_set(const struct type_class_enum *enum_class,
				GQuark q)
{
	return g_hash_table_lookup(enum_class->table.quark_to_range_set,
				   (gconstpointer) (unsigned long) q);
}

static
void enum_signed_insert_range_to_quark(struct type_class_enum *enum_class,
                        int64_t start, int64_t end, GQuark q)
{
	struct enum_range_to_quark *rtoq;

	rtoq = g_new(struct enum_range_to_quark, 1);
	cds_list_add(&rtoq->node, &enum_class->table.range_to_quark);
	rtoq->range.start._signed = start;
	rtoq->range.end._signed = end;
	rtoq->quark = q;
}

static
void enum_unsigned_insert_range_to_quark(struct type_class_enum *enum_class,
                        uint64_t start, uint64_t end, GQuark q)
{
	struct enum_range_to_quark *rtoq;

	rtoq = g_new(struct enum_range_to_quark, 1);
	cds_list_add(&rtoq->node, &enum_class->table.range_to_quark);
	rtoq->range.start._unsigned = start;
	rtoq->range.end._unsigned = end;
	rtoq->quark = q;
}

void enum_signed_insert(struct type_class_enum *enum_class,
                        int64_t start, int64_t end, GQuark q)
{
	GArray *array;
	struct enum_range *range;

	if (start == end) {
		enum_signed_insert_value_to_quark_set(enum_class, start, q);
	} else {
		if (start > end) {
			uint64_t tmp;

			tmp = start;
			start = end;
			end = tmp;
		}
		enum_signed_insert_range_to_quark(enum_class, start, end, q);
	}

	array = g_hash_table_lookup(enum_class->table.quark_to_range_set,
				    (gconstpointer) (unsigned long) q);
	if (!array) {
		array = g_array_sized_new(FALSE, TRUE,
					  sizeof(struct enum_range), 1);
		g_hash_table_insert(enum_class->table.quark_to_range_set,
				    (gpointer) (unsigned long) q,
				    array);
	}
	g_array_set_size(array, array->len + 1);
	range = &g_array_index(array, struct enum_range, array->len - 1);
	range->start._signed = start;
	range->end._signed = end;
}

void enum_unsigned_insert(struct type_class_enum *enum_class,
			  uint64_t start, uint64_t end, GQuark q)
{
	GArray *array;
	struct enum_range *range;


	if (start == end) {
		enum_unsigned_insert_value_to_quark_set(enum_class, start, q);
	} else {
		if (start > end) {
			uint64_t tmp;

			tmp = start;
			start = end;
			end = tmp;
		}
		enum_unsigned_insert_range_to_quark(enum_class, start, end, q);
	}

	array = g_hash_table_lookup(enum_class->table.quark_to_range_set,
				    (gconstpointer) (unsigned long) q);
	if (!array) {
		array = g_array_sized_new(FALSE, TRUE,
					  sizeof(struct enum_range), 1);
		g_hash_table_insert(enum_class->table.quark_to_range_set,
				    (gpointer) (unsigned long) q,
				    array);
	}
	g_array_set_size(array, array->len + 1);
	range = &g_array_index(array, struct enum_range, array->len - 1);
	range->start._unsigned = start;
	range->end._unsigned = end;
}

void enum_copy(struct stream_pos *dest, const struct format *fdest, 
	       struct stream_pos *src, const struct format *fsrc,
	       const struct type_class *type_class)
{
	struct type_class_enum *enum_class =
		container_of(type_class, struct type_class_enum, p.p);
	GArray *array;
	GQuark v;

	array = fsrc->enum_read(src, enum_class);
	assert(array);
	/*
	 * Arbitrarily choose the first one.
	 * TODO: use direct underlying type read/write intead. Not doing it for
	 * now to test enum read and write code.
	 */
	v = g_array_index(array, GQuark, 0);
	return fdest->enum_write(dest, enum_class, v);
}

void enum_type_free(struct type_class_enum *enum_class)
{
	struct enum_range_to_quark *iter, *tmp;

	g_hash_table_destroy(enum_class->table.value_to_quark_set);
	cds_list_for_each_entry_safe(iter, tmp, &enum_class->table.range_to_quark, node) {
		cds_list_del(&iter->node);
		g_free(iter);
	}
	g_hash_table_destroy(enum_class->table.quark_to_range_set);
	g_free(enum_class);
}

static
void _enum_type_free(struct type_class *type_class)
{
	struct type_class_enum *enum_class =
		container_of(type_class, struct type_class_enum, p.p);
	enum_type_free(enum_class);
}

struct type_class_enum *enum_type_new(const char *name,
				      size_t len, int byte_order,
				      int signedness,
				      size_t alignment)
{
	struct type_class_enum *enum_class;
	struct type_class_integer *int_class;
	int ret;

	enum_class = g_new(struct type_class_enum, 1);
	enum_class->table.value_to_quark_set = g_hash_table_new_full(enum_val_hash,
							    enum_val_equal,
							    enum_val_free,
							    enum_range_set_free);
	CDS_INIT_LIST_HEAD(&enum_class->table.range_to_quark);
	enum_class->table.quark_to_range_set = g_hash_table_new_full(g_int_hash,
							g_int_equal,
							NULL, enum_range_set_free);
	int_class = &enum_class->p;
	int_class->p.name = g_quark_from_string(name);
	int_class->p.alignment = alignment;
	int_class->p.copy = enum_copy;
	int_class->p.free = _enum_type_free;
	int_class->p.ref = 1;
	int_class->len = len;
	int_class->byte_order = byte_order;
	int_class->signedness = signedness;
	if (int_class->p.name) {
		ret = register_type(&int_class->p);
		if (ret) {
			struct enum_range_to_quark *iter, *tmp;

			g_hash_table_destroy(enum_class->table.value_to_quark_set);
			cds_list_for_each_entry_safe(iter, tmp, &enum_class->table.range_to_quark, node) {
				cds_list_del(&iter->node);
				g_free(iter);
			}
			g_hash_table_destroy(enum_class->table.quark_to_range_set);
			g_free(enum_class);
			return NULL;
		}
	}
	return enum_class;
}
Commit	Line	Data
448d3cc7	1	/*
ccd7e1c8	2	* enum.c
448d3cc7	3	*
ccd7e1c8	4	* BabelTrace - Enumeration Type
448d3cc7	5	*
ccd7e1c8	6	* Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
448d3cc7	7	*
ccd7e1c8 MD	8	* Permission is hereby granted, free of charge, to any person obtaining a copy
	9	* of this software and associated documentation files (the "Software"), to deal
	10	* in the Software without restriction, including without limitation the rights
	11	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	12	* copies of the Software, and to permit persons to whom the Software is
	13	* furnished to do so, subject to the following conditions:
448d3cc7	14	*
ccd7e1c8 MD	15	* The above copyright notice and this permission notice shall be included in
ccd7e1c8 MD	16	* all copies or substantial portions of the Software.
448d3cc7 MD	17	*/
	18
	19	#include <babeltrace/compiler.h>
4c8bfb7e	20	#include <babeltrace/format.h>
448d3cc7 MD	21	#include <stdint.h>
	22	#include <glib.h>
	23
d65d8abb MD	24	static
d65d8abb MD	25	void enum_range_set_free(void *ptr)
448d3cc7	26	{
d65d8abb	27	g_array_unref(ptr);
448d3cc7 MD	28	}
448d3cc7 MD	29
d65d8abb MD	30	/*
	31	* Returns a GArray or NULL.
	32	* Caller must release the GArray with g_array_unref().
	33	*/
	34	GArray enum_uint_to_quark_set(const struct type_class_enum enum_class,
	35	uint64_t v)
448d3cc7	36	{
d65d8abb MD	37	struct enum_range_to_quark *iter;
d65d8abb MD	38	GArray qs, ranges = NULL;
448d3cc7	39
d65d8abb MD	40	/* Single values lookup */
	41	qs = g_hash_table_lookup(enum_class->table.value_to_quark_set, &v);
	42
	43	/* Range lookup */
	44	cds_list_for_each_entry(iter, &enum_class->table.range_to_quark, node) {
	45	if (iter->range.start._unsigned > v \|\| iter->range.end._unsigned < v)
	46	continue;
	47	if (!ranges) {
	48	size_t qs_len = 0;
	49
	50	if (qs)
	51	qs_len = qs->len;
	52	ranges = g_array_sized_new(FALSE, TRUE,
	53	sizeof(struct enum_range),
	54	qs_len + 1);
	55	g_array_set_size(ranges, qs_len + 1);
	56	if (qs)
	57	memcpy(ranges->data, qs->data,
	58	sizeof(struct enum_range) * qs_len);
	59	g_array_index(ranges, struct enum_range, qs_len) = iter->range;
	60	} else {
	61	g_array_set_size(ranges, ranges->len + 1);
	62	g_array_index(ranges, struct enum_range, ranges->len) = iter->range;
	63	}
	64	}
	65	if (!ranges)
	66	ranges = qs;
	67	return ranges;
448d3cc7 MD	68	}
448d3cc7 MD	69
d65d8abb MD	70	/*
	71	* Returns a GArray or NULL.
	72	* Caller must release the GArray with g_array_unref().
	73	*/
	74	GArray enum_int_to_quark_set(const struct type_class_enum enum_class, uint64_t v)
448d3cc7	75	{
d65d8abb MD	76	struct enum_range_to_quark *iter;
	77	GArray qs, ranges = NULL;
	78
	79	/* Single values lookup */
	80	qs = g_hash_table_lookup(enum_class->table.value_to_quark_set, &v);
	81
	82	/* Range lookup */
	83	cds_list_for_each_entry(iter, &enum_class->table.range_to_quark, node) {
	84	if (iter->range.start._signed > v \|\| iter->range.end._signed < v)
	85	continue;
	86	if (!ranges) {
	87	size_t qs_len = 0;
	88
	89	if (qs)
	90	qs_len = qs->len;
	91	ranges = g_array_sized_new(FALSE, TRUE,
	92	sizeof(struct enum_range),
	93	qs_len + 1);
	94	g_array_set_size(ranges, qs_len + 1);
	95	if (qs)
	96	memcpy(ranges->data, qs->data,
	97	sizeof(struct enum_range) * qs_len);
	98	g_array_index(ranges, struct enum_range, qs_len) = iter->range;
	99	} else {
	100	g_array_set_size(ranges, ranges->len + 1);
	101	g_array_index(ranges, struct enum_range, ranges->len) = iter->range;
	102	}
	103	}
	104	if (!ranges)
	105	ranges = qs;
	106	return ranges;
448d3cc7 MD	107	}
448d3cc7 MD	108
d65d8abb MD	109	#if (__WORDSIZE == 32)
d65d8abb MD	110	static
448d3cc7 MD	111	guint enum_val_hash(gconstpointer key)
	112	{
	113	int64_t ukey = (const int64_t )key;
	114
	115	return (guint)ukey ^ (guint)(ukey >> 32);
	116	}
	117
d65d8abb	118	static
448d3cc7 MD	119	gboolean enum_val_equal(gconstpointer a, gconstpointer b)
	120	{
	121	int64_t ua = (const int64_t )a;
	122	int64_t ub = (const int64_t )b;
	123
	124	return ua == ub;
	125	}
	126
d65d8abb	127	static
448d3cc7 MD	128	void enum_val_free(void *ptr)
	129	{
	130	g_free(ptr);
	131	}
	132
d65d8abb MD	133	static
	134	void enum_signed_insert_value_to_quark_set(struct type_class_enum *enum_class,
	135	int64_t v, GQuark q)
448d3cc7	136	{
d65d8abb MD	137	int64_t *valuep;
d65d8abb MD	138	GArray *array;
448d3cc7	139
d65d8abb MD	140	array = g_hash_table_lookup(enum_class->table.value_to_quark_set, &v);
	141	if (!array) {
	142	array = g_array_sized_new(FALSE, TRUE, sizeof(GQuark), 1);
	143	g_array_set_size(array, 1);
	144	g_array_index(array, GQuark, array->len - 1) = q;
	145	valuep = g_new(int64_t, 1);
	146	*valuep = v;
	147	g_hash_table_insert(enum_class->table.value_to_quark_set, valuep, array);
	148	} else {
	149	g_array_set_size(array, array->len + 1);
	150	g_array_index(array, GQuark, array->len - 1) = q;
	151	}
448d3cc7 MD	152	}
448d3cc7 MD	153
d65d8abb MD	154	static
	155	void enum_unsigned_insert_value_to_quark_set(struct type_class_enum *enum_class,
	156	uint64_t v, GQuark q)
448d3cc7	157	{
d65d8abb MD	158	uint64_t *valuep;
d65d8abb MD	159	GArray *array;
448d3cc7	160
d65d8abb MD	161	array = g_hash_table_lookup(enum_class->table.value_to_quark_set, &v);
	162	if (!array) {
	163	array = g_array_sized_new(FALSE, TRUE, sizeof(GQuark), 1);
	164	g_array_set_size(array, 1);
	165	g_array_index(array, GQuark, array->len - 1) = q;
	166	valuep = g_new(uint64_t, 1);
	167	*valuep = v;
	168	g_hash_table_insert(enum_class->table.value_to_quark_set, valuep, array);
	169	} else {
	170	g_array_set_size(array, array->len + 1);
	171	g_array_index(array, GQuark, array->len - 1) = q;
	172	}
448d3cc7	173	}
d65d8abb MD	174	#else /* __WORDSIZE != 32 */
	175	static
	176	guint enum_val_hash(gconstpointer key)
448d3cc7	177	{
d65d8abb	178	return g_direct_hash(key);
448d3cc7 MD	179	}
448d3cc7 MD	180
d65d8abb MD	181	static
d65d8abb MD	182	gboolean enum_val_equal(gconstpointer a, gconstpointer b)
448d3cc7	183	{
d65d8abb	184	return g_direct_equal(a, b);
448d3cc7 MD	185	}
448d3cc7 MD	186
d65d8abb MD	187	static
d65d8abb MD	188	void enum_val_free(void *ptr)
448d3cc7	189	{
448d3cc7 MD	190	}
448d3cc7 MD	191
d65d8abb MD	192	static
	193	void enum_signed_insert_value_to_quark_set(struct type_class_enum *enum_class,
	194	int64_t v, GQuark q)
	195	{
	196	GArray *array;
	197
	198	array = g_hash_table_lookup(enum_class->table.value_to_quark_set,
	199	(gconstpointer) v);
	200	if (!array) {
	201	array = g_array_sized_new(FALSE, TRUE, sizeof(GQuark), 1);
	202	g_array_set_size(array, 1);
	203	g_array_index(array, GQuark, array->len - 1) = q;
	204	g_hash_table_insert(enum_class->table.value_to_quark_set,
	205	(gconstpointer) v, array);
	206	} else {
	207	g_array_set_size(array, array->len + 1);
	208	g_array_index(array, GQuark, array->len - 1) = q;
	209	}
	210	}
	211
	212	static
	213	void enum_unsigned_insert_value_to_quark_set(struct type_class_enum *enum_class,
	214	uint64_t v, GQuark q)
448d3cc7	215	{
d65d8abb MD	216	GArray *array;
	217
	218	array = g_hash_table_lookup(enum_class->table.value_to_quark_set,
	219	(gconstpointer) v);
	220	if (!array) {
	221	array = g_array_sized_new(FALSE, TRUE, sizeof(GQuark), 1);
	222	g_array_set_size(array, 1);
	223	g_array_index(array, GQuark, array->len - 1) = q;
	224	g_hash_table_insert(enum_class->table.value_to_quark_set,
	225	(gconstpointer) v, array);
	226	} else {
	227	g_array_set_size(array, array->len + 1);
	228	g_array_index(array, GQuark, array->len - 1) = q;
	229	}
448d3cc7	230	}
d65d8abb	231	#endif /* __WORDSIZE != 32 */
448d3cc7	232
d65d8abb MD	233	GArray enum_quark_to_range_set(const struct type_class_enum enum_class,
d65d8abb MD	234	GQuark q)
448d3cc7	235	{
47e0f2e2 MD	236	return g_hash_table_lookup(enum_class->table.quark_to_range_set,
47e0f2e2 MD	237	(gconstpointer) (unsigned long) q);
448d3cc7 MD	238	}
448d3cc7 MD	239
d65d8abb MD	240	static
	241	void enum_signed_insert_range_to_quark(struct type_class_enum *enum_class,
	242	int64_t start, int64_t end, GQuark q)
448d3cc7	243	{
d65d8abb MD	244	struct enum_range_to_quark *rtoq;
	245
	246	rtoq = g_new(struct enum_range_to_quark, 1);
	247	cds_list_add(&rtoq->node, &enum_class->table.range_to_quark);
	248	rtoq->range.start._signed = start;
	249	rtoq->range.end._signed = end;
	250	rtoq->quark = q;
448d3cc7 MD	251	}
448d3cc7 MD	252
d65d8abb MD	253	static
	254	void enum_unsigned_insert_range_to_quark(struct type_class_enum *enum_class,
	255	uint64_t start, uint64_t end, GQuark q)
448d3cc7	256	{
d65d8abb MD	257	struct enum_range_to_quark *rtoq;
	258
	259	rtoq = g_new(struct enum_range_to_quark, 1);
	260	cds_list_add(&rtoq->node, &enum_class->table.range_to_quark);
	261	rtoq->range.start._unsigned = start;
	262	rtoq->range.end._unsigned = end;
	263	rtoq->quark = q;
448d3cc7 MD	264	}
	265
	266	void enum_signed_insert(struct type_class_enum *enum_class,
d65d8abb	267	int64_t start, int64_t end, GQuark q)
448d3cc7	268	{
d65d8abb MD	269	GArray *array;
	270	struct enum_range *range;
	271
	272	if (start == end) {
	273	enum_signed_insert_value_to_quark_set(enum_class, start, q);
	274	} else {
	275	if (start > end) {
	276	uint64_t tmp;
	277
	278	tmp = start;
	279	start = end;
	280	end = tmp;
	281	}
	282	enum_signed_insert_range_to_quark(enum_class, start, end, q);
	283	}
	284
	285	array = g_hash_table_lookup(enum_class->table.quark_to_range_set,
	286	(gconstpointer) (unsigned long) q);
	287	if (!array) {
	288	array = g_array_sized_new(FALSE, TRUE,
	289	sizeof(struct enum_range), 1);
	290	g_hash_table_insert(enum_class->table.quark_to_range_set,
	291	(gpointer) (unsigned long) q,
	292	array);
	293	}
	294	g_array_set_size(array, array->len + 1);
	295	range = &g_array_index(array, struct enum_range, array->len - 1);
	296	range->start._signed = start;
	297	range->end._signed = end;
448d3cc7 MD	298	}
	299
	300	void enum_unsigned_insert(struct type_class_enum *enum_class,
d65d8abb	301	uint64_t start, uint64_t end, GQuark q)
448d3cc7	302	{
d65d8abb MD	303	GArray *array;
	304	struct enum_range *range;
	305
	306
	307	if (start == end) {
	308	enum_unsigned_insert_value_to_quark_set(enum_class, start, q);
	309	} else {
	310	if (start > end) {
	311	uint64_t tmp;
	312
	313	tmp = start;
	314	start = end;
	315	end = tmp;
	316	}
	317	enum_unsigned_insert_range_to_quark(enum_class, start, end, q);
	318	}
	319
	320	array = g_hash_table_lookup(enum_class->table.quark_to_range_set,
	321	(gconstpointer) (unsigned long) q);
	322	if (!array) {
	323	array = g_array_sized_new(FALSE, TRUE,
	324	sizeof(struct enum_range), 1);
	325	g_hash_table_insert(enum_class->table.quark_to_range_set,
	326	(gpointer) (unsigned long) q,
	327	array);
	328	}
	329	g_array_set_size(array, array->len + 1);
	330	range = &g_array_index(array, struct enum_range, array->len - 1);
	331	range->start._unsigned = start;
	332	range->end._unsigned = end;
448d3cc7	333	}
448d3cc7	334
4c8bfb7e MD	335	void enum_copy(struct stream_pos dest, const struct format fdest,
	336	struct stream_pos src, const struct format fsrc,
	337	const struct type_class *type_class)
448d3cc7 MD	338	{
448d3cc7 MD	339	struct type_class_enum *enum_class =
4c8bfb7e	340	container_of(type_class, struct type_class_enum, p.p);
47e0f2e2	341	GArray *array;
448d3cc7 MD	342	GQuark v;
448d3cc7 MD	343
47e0f2e2 MD	344	array = fsrc->enum_read(src, enum_class);
	345	assert(array);
	346	/*
	347	* Arbitrarily choose the first one.
	348	* TODO: use direct underlying type read/write intead. Not doing it for
	349	* now to test enum read and write code.
	350	*/
	351	v = g_array_index(array, GQuark, 0);
448d3cc7 MD	352	return fdest->enum_write(dest, enum_class, v);
	353	}
	354
90b676d7 MD	355	void enum_type_free(struct type_class_enum *enum_class)
90b676d7 MD	356	{
d65d8abb MD	357	struct enum_range_to_quark iter, tmp;
	358
	359	g_hash_table_destroy(enum_class->table.value_to_quark_set);
	360	cds_list_for_each_entry_safe(iter, tmp, &enum_class->table.range_to_quark, node) {
	361	cds_list_del(&iter->node);
	362	g_free(iter);
	363	}
	364	g_hash_table_destroy(enum_class->table.quark_to_range_set);
90b676d7 MD	365	g_free(enum_class);
	366	}
	367
	368	static
	369	void _enum_type_free(struct type_class *type_class)
	370	{
	371	struct type_class_enum *enum_class =
4c8bfb7e	372	container_of(type_class, struct type_class_enum, p.p);
90b676d7 MD	373	enum_type_free(enum_class);
	374	}
	375
448d3cc7	376	struct type_class_enum enum_type_new(const char name,
448d3cc7 MD	377	size_t len, int byte_order,
	378	int signedness,
	379	size_t alignment)
	380	{
4c8bfb7e	381	struct type_class_enum *enum_class;
448d3cc7 MD	382	struct type_class_integer *int_class;
	383	int ret;
	384
7fe00194	385	enum_class = g_new(struct type_class_enum, 1);
d65d8abb MD	386	enum_class->table.value_to_quark_set = g_hash_table_new_full(enum_val_hash,
	387	enum_val_equal,
	388	enum_val_free,
	389	enum_range_set_free);
	390	CDS_INIT_LIST_HEAD(&enum_class->table.range_to_quark);
	391	enum_class->table.quark_to_range_set = g_hash_table_new_full(g_int_hash,
	392	g_int_equal,
	393	NULL, enum_range_set_free);
7fe00194	394	int_class = &enum_class->p;
448d3cc7 MD	395	int_class->p.name = g_quark_from_string(name);
448d3cc7 MD	396	int_class->p.alignment = alignment;
90b676d7 MD	397	int_class->p.copy = enum_copy;
90b676d7 MD	398	int_class->p.free = _enum_type_free;
4c8bfb7e	399	int_class->p.ref = 1;
448d3cc7 MD	400	int_class->len = len;
	401	int_class->byte_order = byte_order;
	402	int_class->signedness = signedness;
448d3cc7 MD	403	if (int_class->p.name) {
	404	ret = register_type(&int_class->p);
	405	if (ret) {
d65d8abb MD	406	struct enum_range_to_quark iter, tmp;
	407
	408	g_hash_table_destroy(enum_class->table.value_to_quark_set);
	409	cds_list_for_each_entry_safe(iter, tmp, &enum_class->table.range_to_quark, node) {
	410	cds_list_del(&iter->node);
	411	g_free(iter);
	412	}
	413	g_hash_table_destroy(enum_class->table.quark_to_range_set);
448d3cc7 MD	414	g_free(enum_class);
	415	return NULL;
	416	}
	417	}
	418	return enum_class;
	419	}