header.h

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/*
 * $Id: header.h,v 1.5 2005/11/09 19:16:53 cbiere Exp $
 *
 * Copyright (c) 2001-2003, Raphael Manfredi
 *
 *----------------------------------------------------------------------
 * This file is part of gtk-gnutella.
 *
 *  gtk-gnutella is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  gtk-gnutella is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with gtk-gnutella; if not, write to the Free Software
 *  Foundation, Inc.:
 *      59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *----------------------------------------------------------------------
 */

#ifndef _header_h_
#define _header_h_

#include <stdio.h>
#include <glib.h>

typedef struct header {
    GHashTable *headers;        
    GSList *fields;             
    gint flags;                 
    gint size;                  
    gint lines;                 
} header_t;

#define HEADER_SIZE(h)      ((h)->size)
#define HEADER_LINES(h)     ((h)->lines)

typedef struct {
    gchar *name;                
    GSList *lines;              
} header_field_t;

/*
 * Error codes.
 */

#define HEAD_OK             0       
#define HEAD_CONTINUATION   1       
#define HEAD_MALFORMED      2       
#define HEAD_BAD_CHARS      3       
#define HEAD_EOH_REACHED    4       
#define HEAD_SKIPPED        5       
#define HEAD_TOO_LARGE      6       
#define HEAD_MANY_LINES     7       
#define HEAD_EOH            8       
/*
 * Our sanity limits
 */

#define HEAD_MAX_LINES      128     
#define HEAD_MAX_SIZE       16384   
/*
 * Public interface.
 */

header_t *header_make(void);
void header_free(header_t *o);
void header_reset(header_t *o);
gint header_append(header_t *o, const gchar *text, gint len);
void header_dump(const header_t *o, FILE *out);
const gchar *header_strerror(guint errnum);
gchar *header_get(const header_t *o, const gchar *field);
gchar *header_getdup(const header_t *o, const gchar *field);

gpointer header_fmt_make(const gchar *field, const gchar *separator,
    gint len_hint);
void header_fmt_free(gpointer o);
void header_fmt_set_line_length(gpointer o, gint maxlen);
gboolean header_fmt_value_fits(gpointer o, gint len, gint maxlen);
void header_fmt_append(gpointer o, const gchar *str, const gchar *separator);
void header_fmt_append_value(gpointer o, const gchar *str);
gint header_fmt_length(gpointer o);
void header_fmt_end(gpointer o);
gchar *header_fmt_string(gpointer o);
gchar *header_fmt_to_string(gpointer o);

#endif  /* _header_h_ */

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