/*
  Copyright 2011-2020 David Robillard <http://drobilla.net>

  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.

  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#ifndef SERD_NODE_H
#define SERD_NODE_H

#include "serd/serd.h"

#include <stdbool.h>
#include <stddef.h>

struct SerdNodeImpl {
	size_t        n_bytes;  /**< Size in bytes (not including null) */
	SerdNodeFlags flags;    /**< Node flags (e.g. string properties) */
	SerdNodeType  type;     /**< Node type */
};

/* We need nodes aligned to at least size_t so that this is not an unaligned
   access.  Though it would be possible to make the node header fixed-size and
   fit entirely in 64 bits, saving some memory in the process, using weird
   types here needs a lot of sketchy casting, particularly since size_t is
   universal for string lengths in C.  So, we simply suffer the hassle (and
   overhead) internally for now to prevent the API from being too weird. */
static const size_t serd_node_align = sizeof(size_t);

static inline char*
serd_node_buffer(SerdNode* node)
{
	return (char*)(node + 1);
}

static inline const char*
serd_node_buffer_c(const SerdNode* node)
{
	return (const char*)(node + 1);
}

static inline int
serd_node_wildcard_compare(const SerdNode* a, const SerdNode* b)
{
	return (!a || !b) ? 0 : serd_node_compare(a, b);
}

static inline bool
serd_node_pattern_match(const SerdNode* a, const SerdNode* b)
{
	return !a || !b || serd_node_equals(a, b);
}

SerdNode*
serd_node_malloc(size_t n_bytes, SerdNodeFlags flags, SerdNodeType type);

void      serd_node_set(SerdNode** dst, const SerdNode* src);
size_t    serd_node_total_size(const SerdNode* node);
void      serd_node_zero_pad(SerdNode* node);
SerdNode* serd_new_resolved_uri_i(const char* str, const SerdURI* base);

#endif  // SERD_NODE_H