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/*
* Copyright (c) 2007-2009 Marko Kreen, Skype Technologies OÜ
*
* 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.
*
* THE 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.
*/
/** @file
*
* Minimal dict.
*/
#ifndef _USUAL_MDICT_H_
#define _USUAL_MDICT_H_
#include <usual/cxalloc.h>
#include <usual/mbuf.h>
/** Dict reference */
struct MDict;
/** Create new emtpy dict */
struct MDict *mdict_new(CxMem *cx);
/** Free dict */
void mdict_free(struct MDict *dict);
/** Get value as MBuf from string */
const struct MBuf *mdict_get_buf(struct MDict *dict, const char *key, unsigned klen);
/** Get value from dict */
const char *mdict_get_str(struct MDict *dict, const char *key, unsigned klen);
/** Put string to dict */
bool mdict_put_str(struct MDict *dict, const char *key, unsigned klen, const char *val, unsigned vlen);
/** Remove a key from dict */
bool mdict_del_key(struct MDict *dict, const char *key, unsigned klen);
/** Signature for walker callback */
typedef bool (*mdict_walker_f)(void *arg, const struct MBuf *k, const struct MBuf *v);
/** Walk over dict */
bool mdict_walk(struct MDict *dict, mdict_walker_f cb_func, void *cb_arg);
/*
* Simple API that calculates strlen inline.
*/
/** Get value from dict */
static inline const char *mdict_get(struct MDict *dict, const char *key)
{
return mdict_get_str(dict, key, strlen(key));
}
/** Put zero-terminated key and value to dict */
static inline bool mdict_put(struct MDict *dict, const char *key, const char *val)
{
unsigned klen = strlen(key);
unsigned vlen = val ? strlen(val) : 0;
return mdict_put_str(dict, key, klen, val, vlen);
}
/** Put MBuf to dict */
static inline bool mdict_put_buf(struct MDict *dict, const char *key, const struct MBuf *buf)
{
unsigned klen = strlen(key);
const char *val = buf ? mbuf_data(buf) : NULL;
unsigned vlen = buf ? mbuf_written(buf) : 0;
return mdict_put_str(dict, key, klen, val, vlen);
}
/** Remove value from dict */
static inline bool mdict_del(struct MDict *dict, const char *key)
{
return mdict_del_key(dict, key, strlen(key));
}
/** Urldecode string and add keys with values to dict */
bool mdict_urldecode(struct MDict *dict, const char *str, unsigned len);
/** Urlencode dict to string */
bool mdict_urlencode(struct MDict *dict, struct MBuf *dst);
#endif
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