Added xml creation functions

These functions are designed to help create an xml document.

libsaria/xm.py

@@ -9,7 +9,6 @@ def attributes(node):
 		attrs[item.name] = item.nodeValue
 	return attrs
 
-
 def children(doc):
 	list = []
 	for node in doc.childNodes:
@@ -19,25 +18,38 @@ def children(doc):
 		list += [node]
 	return list
 
-
 def child(doc):
 	list = children(doc)
 	if len(list) > 0:
 		return list[0]
 	return None
 
+def add_child(doc, node, name):
+	child = doc.createElement(name)
+	node.appendChild(child)
+	return child
+
+def add_text(doc, node, value):
+	if value.__class__ == int or value.__class__ == long:
+		value = str(value)
+	elif value.__class__ == unicode:
+		value = value.encode("utf-8")
+	try:
+		child = doc.createTextNode( value )
+		node.appendChild(child)
+		return value
+	except:
+		print value, value.__class__
 
 def get_elements(doc, tag):
 	return doc.getElementsByTagName(tag)
 
-
 def find_attribute(doc, tag, attr, value):
 	for node in get_elements(doc, tag):
 		if attributes(node)[attr] == value:
 			return node
 	return None
 
-
 def find_preferred_attribute(doc, tag, attr, values):
 	for value in values:
 		attr = find_attribute(doc, tag, attr, value)
@@ -45,6 +57,8 @@ def find_preferred_attribute(doc, tag, attr, values):
 			return attr
 	None
 
+def new():
+	return xml.Document()
 
 def parse(xml_file):
 	return xml.parse(xml_file)