handler.c
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/*
* handler.c
*
* $Author: nobu $
*
* Copyright (C) 2003 why the lucky stiff
*/
#include "ruby/ruby.h"
#include "syck.h"
SYMID
syck_hdlr_add_node( SyckParser *p, SyckNode *n )
{
SYMID id;
if ( ! n->id )
{
n->id = (p->handler)( p, n );
}
id = n->id;
if ( n->anchor == NULL )
{
syck_free_node( n );
}
return id;
}
SyckNode *
syck_hdlr_add_anchor( SyckParser *p, char *a, SyckNode *n )
{
SyckNode *ntmp = NULL;
n->anchor = a;
if ( p->bad_anchors != NULL )
{
SyckNode *bad;
if ( st_lookup( p->bad_anchors, (st_data_t)a, (void *)&bad ) )
{
if ( n->kind != syck_str_kind )
{
n->id = bad->id;
(p->handler)( p, n );
}
}
}
if ( p->anchors == NULL )
{
p->anchors = st_init_strtable();
}
if ( st_lookup( p->anchors, (st_data_t)a, (void *)&ntmp ) )
{
if ( ntmp != (void *)1 )
{
syck_free_node( ntmp );
}
}
st_insert( p->anchors, (st_data_t)a, (st_data_t)n );
return n;
}
void
syck_hdlr_remove_anchor( SyckParser *p, char *a )
{
char *atmp = a;
SyckNode *ntmp;
if ( p->anchors == NULL )
{
p->anchors = st_init_strtable();
}
if ( st_delete( p->anchors, (void *)&atmp, (void *)&ntmp ) )
{
if ( ntmp != (void *)1 )
{
syck_free_node( ntmp );
}
}
st_insert( p->anchors, (st_data_t)a, (st_data_t)1 );
}
SyckNode *
syck_hdlr_get_anchor( SyckParser *p, char *a )
{
SyckNode *n = NULL;
if ( p->anchors != NULL )
{
if ( st_lookup( p->anchors, (st_data_t)a, (void *)&n ) )
{
if ( n != (void *)1 )
{
S_FREE( a );
return n;
}
else
{
if ( p->bad_anchors == NULL )
{
p->bad_anchors = st_init_strtable();
}
if ( ! st_lookup( p->bad_anchors, (st_data_t)a, (void *)&n ) )
{
n = (p->bad_anchor_handler)( p, a );
st_insert( p->bad_anchors, (st_data_t)a, (st_data_t)n );
}
}
}
}
if ( n == NULL )
{
n = (p->bad_anchor_handler)( p, a );
}
if ( n->anchor )
{
S_FREE( a );
}
else
{
n->anchor = a;
}
return n;
}
void
syck_add_transfer( char *uri, SyckNode *n, int taguri )
{
if ( n->type_id != NULL )
{
S_FREE( n->type_id );
}
if ( taguri == 0 )
{
n->type_id = uri;
return;
}
n->type_id = syck_type_id_to_uri( uri );
S_FREE( uri );
}
char *
syck_xprivate( const char *type_id, int type_len )
{
char *uri = S_ALLOC_N( char, type_len + 14 );
uri[0] = '\0';
strcat( uri, "x-private:" );
strncat( uri, type_id, type_len );
return uri;
}
char *
syck_taguri( const char *domain, const char *type_id, int type_len )
{
char *uri = S_ALLOC_N( char, strlen( domain ) + type_len + 14 );
uri[0] = '\0';
strcat( uri, "tag:" );
strcat( uri, domain );
strcat( uri, ":" );
strncat( uri, type_id, type_len );
return uri;
}
int
syck_try_implicit( SyckNode *n )
{
return 1;
}