/* -*- mode: c; c-file-style: "openbsd" -*- */
/*
* Copyright (c) 2010 Andreas Hofmeister <andi@collax.com>
*
* 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.
*/
#ifndef _WRITER_H
#define _WRITER_H
#include <stdio.h>
struct writer {
void * priv;
void (*start)(struct writer *, const char * tag, const char * descr);
void (*attr)(struct writer *, const char * tag, const char * descr, const char * value);
void (*data)(struct writer *, const char * data);
void (*end)(struct writer *);
void (*finish)(struct writer *);
};
#define tag_start(w,...) w->start(w,## __VA_ARGS__)
#define tag_attr(w,...) w->attr(w,## __VA_ARGS__)
#define tag_data(w,...) w->data(w,## __VA_ARGS__)
#define tag_end(w,...) w->end(w,## __VA_ARGS__)
#define tag_datatag(w,t,d,v) do { if ((v) == NULL) break; w->start(w,t,d); w->data(w,v); w->end(w); } while(0);
extern struct writer *txt_init(FILE *);
extern struct writer *kv_init(FILE *);
extern struct writer *json_init(FILE *, int);
#ifdef USE_XML
extern struct writer *xml_init(FILE *);
#endif
/* utf8.c */
size_t utf8_validate_cz(const char *s);
#endif /* _WRITER_H */