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/***************************************************************************\
* *
* BitlBee - An IRC to IM gateway *
* Simple XML (stream) parse tree handling code (Jabber/XMPP, mainly) *
* *
* Copyright 2006 Wilmer van der Gaast <wilmer@gaast.net> *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation, version *
* 2.1. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
* *
****************************************************************************/
#ifndef _XMLTREE_H
#define _XMLTREE_H
typedef enum
{
XT_COMPLETE = 1, /* </tag> reached */
XT_SEEN = 2, /* Handler called (or not defined) */
} xt_flags;
typedef enum
{
XT_ABORT, /* Abort, don't handle the rest anymore */
XT_HANDLED, /* Handled this tag properly, go to the next one */
XT_NEXT /* Try if there's another matching handler */
} xt_status;
struct xt_attr
{
char *key, *value;
};
struct xt_node
{
struct xt_node *parent;
struct xt_node *children;
char *name;
struct xt_attr *attr;
char *text;
int text_len;
struct xt_node *next;
xt_flags flags;
};
typedef xt_status (*xt_handler_func) ( struct xt_node *node, gpointer data );
struct xt_handler_entry
{
char *name, *parent;
xt_handler_func func;
};
struct xt_parser
{
GMarkupParseContext *parser;
struct xt_node *root;
struct xt_node *cur;
const struct xt_handler_entry *handlers;
gpointer data;
GError *gerr;
};
struct xt_parser *xt_new( const struct xt_handler_entry *handlers, gpointer data );
void xt_reset( struct xt_parser *xt );
int xt_feed( struct xt_parser *xt, char *text, int text_len );
int xt_handle( struct xt_parser *xt, struct xt_node *node, int depth );
void xt_cleanup( struct xt_parser *xt, struct xt_node *node, int depth );
char *xt_to_string( struct xt_node *node );
void xt_print( struct xt_node *node );
struct xt_node *xt_dup( struct xt_node *node );
void xt_free_node( struct xt_node *node );
void xt_free( struct xt_parser *xt );
struct xt_node *xt_find_node( struct xt_node *node, const char *name );
char *xt_find_attr( struct xt_node *node, const char *key );
struct xt_node *xt_new_node( char *name, char *text, struct xt_node *children );
void xt_add_child( struct xt_node *parent, struct xt_node *child );
void xt_add_attr( struct xt_node *node, const char *key, const char *value );
int xt_remove_attr( struct xt_node *node, const char *key );
#endif
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