def getTableObj(tree,root):
table = Struct()
table.xmltree = tree
table.xmlroot = root
table.name = table.xmlroot.xpath("name/text()")[0]
table.fields = []
table.pk = []
table.fields_idx = {}
for xmlfield in table.xmlroot.xpath("field"):
field = Struct()
field.name = xmlfield.xpath("name/text()")[0]
build_field_type(field, xmlfield)
field.pk = text2bool(one(xmlfield.xpath("pk/text()"),"false"))
field.default = one(xmlfield.xpath("default/text()"),None)
if field.pk: table.pk.append(field.name)
if field.name in table.fields_idx: raise ValueError("La tabla %s tiene el campo %s repetido" % (table.name,field.name))
field.number = len(table.fields)
table.fields_idx[field.name] = field.number
table.fields.append(field)
return table
