source: lib/xmltree.h @ 59e66ff

Last change on this file since 59e66ff was e31e5b8, checked in by Wilmer van der Gaast <wilmer@…>, at 2013-04-20T13:05:55Z

Merging "storage" branch which I wrote long ago. It separates generation of
XML-formatted user configs from disk I/O so we can try to start using other
mechanisms to store them (a REST API or something, for example).

  • Property mode set to 100644
File size: 3.8 KB
Line 
1/***************************************************************************\
2*                                                                           *
3*  BitlBee - An IRC to IM gateway                                           *
4*  Simple XML (stream) parse tree handling code (Jabber/XMPP, mainly)       *
5*                                                                           *
6*  Copyright 2006-2012 Wilmer van der Gaast <wilmer@gaast.net>              *
7*                                                                           *
8*  This library is free software; you can redistribute it and/or            *
9*  modify it under the terms of the GNU Lesser General Public               *
10*  License as published by the Free Software Foundation, version            *
11*  2.1.                                                                     *
12*                                                                           *
13*  This library is distributed in the hope that it will be useful,          *
14*  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
15*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU        *
16*  Lesser General Public License for more details.                          *
17*                                                                           *
18*  You should have received a copy of the GNU Lesser General Public License *
19*  along with this library; if not, write to the Free Software Foundation,  *
20*  Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA           *
21*                                                                           *
22****************************************************************************/
23
24#ifndef _XMLTREE_H
25#define _XMLTREE_H
26
27typedef enum
28{
29        XT_COMPLETE     = 1,    /* </tag> reached */
30        XT_SEEN         = 2,    /* Handler called (or not defined) */
31} xt_flags;
32
33typedef enum
34{
35        XT_ABORT,               /* Abort, don't handle the rest anymore */
36        XT_HANDLED,             /* Handled this tag properly, go to the next one */
37        XT_NEXT                 /* Try if there's another matching handler */
38} xt_status;
39
40struct xt_attr
41{
42        char *key, *value;
43};
44
45struct xt_node
46{
47        struct xt_node *parent;
48        struct xt_node *children;
49       
50        char *name;
51        struct xt_attr *attr;
52        char *text;
53        int text_len;
54       
55        struct xt_node *next;
56        xt_flags flags;
57};
58
59typedef xt_status (*xt_handler_func) ( struct xt_node *node, gpointer data );
60
61struct xt_handler_entry
62{
63        char *name, *parent;
64        xt_handler_func func;
65};
66
67struct xt_parser
68{
69        GMarkupParseContext *parser;
70        struct xt_node *root;
71        struct xt_node *cur;
72       
73        const struct xt_handler_entry *handlers;
74        gpointer data;
75       
76        GError *gerr;
77};
78
79struct xt_parser *xt_new( const struct xt_handler_entry *handlers, gpointer data );
80void xt_reset( struct xt_parser *xt );
81int xt_feed( struct xt_parser *xt, const char *text, int text_len );
82int xt_handle( struct xt_parser *xt, struct xt_node *node, int depth );
83void xt_cleanup( struct xt_parser *xt, struct xt_node *node, int depth );
84struct xt_node *xt_from_string( const char *in, int text_len );
85char *xt_to_string( struct xt_node *node );
86char *xt_to_string_i( struct xt_node *node );
87void xt_print( struct xt_node *node );
88struct xt_node *xt_dup( struct xt_node *node );
89void xt_free_node( struct xt_node *node );
90void xt_free( struct xt_parser *xt );
91struct xt_node *xt_find_node( struct xt_node *node, const char *name );
92struct xt_node *xt_find_path( struct xt_node *node, const char *name );
93char *xt_find_attr( struct xt_node *node, const char *key );
94
95struct xt_node *xt_new_node( char *name, const char *text, struct xt_node *children );
96void xt_add_child( struct xt_node *parent, struct xt_node *child );
97void xt_insert_child( struct xt_node *parent, struct xt_node *child );
98void xt_add_attr( struct xt_node *node, const char *key, const char *value );
99int xt_remove_attr( struct xt_node *node, const char *key );
100
101#endif
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