Changeset d912fe4 for lib

Timestamp:

2010-08-14T23:00:53Z (14 years ago)

Author:

Wilmer van der Gaast <wilmer@…>

Branches:

master

Children:

d97f51b

Parents:

4fc95c5

Message:

Add xt_find_path() to simplify digging through multi-level XML trees.

Location:

lib

Files:

• xmltree.c (modified) (1 diff)
• xmltree.h (modified) (1 diff)

lib/xmltree.c

@@ -479 +479 @@
 }
 
+/* More advanced than the one above, understands something like
+   ../foo/bar to find a subnode bar of a node foo which is a child
+   of node's parent. Pass the node directly, not its list of children. */
+struct xt_node *xt_find_path( struct xt_node *node, const char *name )
+{
+        while( name && *name && node )
+        {
+                char *colon, *slash;
+                int n;
+                
+                if( ( slash = strchr( name, '/' ) ) )
+                        n = slash - name;
+                else
+                        n = strlen( name );
+                
+                if( strncmp( name, "..", n ) == 0 )
+                {
+                        node = node->parent;
+                }
+                else
+                {
+                        node = node->children;
+                        
+                        while( node )
+                        {
+                                if( g_strncasecmp( node->name, name, n ) == 0 ||
+                                    ( ( colon = strchr( node->name, ':' ) ) &&
+                                      g_strncasecmp( colon + 1, name, n ) == 0 ) )
+                                        break;
+                                
+                                node = node->next;
+                        }
+                }
+                
+                name = slash ? slash + 1 : NULL;
+        }
+        
+        return node;
+}
+
 char *xt_find_attr( struct xt_node *node, const char *key )
 {

lib/xmltree.h

@@ -89 +89 @@
 void xt_free( struct xt_parser *xt );
 struct xt_node *xt_find_node( struct xt_node *node, const char *name );
+struct xt_node *xt_find_path( struct xt_node *node, const char *name );
 char *xt_find_attr( struct xt_node *node, const char *key );