Source Code for Module references_data

 1  """ 
 2  Parser for the references objects in KAF/NAF 
 3  """ 
 4  # Modified for NAF/KAf 
 5  from span_data import * 
 6   
 7 -class Creferences: 
 8      """ 
 9      This class encapsulates the references objects in KAF/NAF 
10      """ 
11 -    def __init__(self,node=None): 
12          """ 
13          Constructor of the object 
14          @type node: xml Element or None (to create and empty one) 
15          @param node:  this is the node of the element. If it is None it will create a new object 
16          """ 
17          self.type = 'NAF/KAF' 
18          if node is None: 
19              self.node = etree.Element('references') 
20          else: 
21              self.node = node 
22               
23 -    def get_node(self): 
24          """ 
25          Returns the node of the element 
26          @rtype: xml Element 
27          @return: the node of the element 
28          """ 
29          return self.node 
30       
31 -    def __iter__(self): 
32          """ 
33          Iterator that returns all the span objects in the reference 
34          @rtype: L{Cspan} 
35          @return: list of span objects (iterator) 
36          """ 
37          for span_node in self.node.findall('span'): 
38              yield Cspan(span_node) 
39               
40 -    def add_span(self,term_span): 
41          """ 
42          Adds a list of term ids a new span in the references 
43          @type term_span: list 
44          @param term_span: list of term ids 
45          """ 
46          new_span = Cspan() 
47          new_span.create_from_ids(term_span) 
48          self.node.append(new_span.get_node()) 
49   
50 -    def get_span(self): 
51          """ 
52          Returns the span object of the reference 
53          @rtype: L{Cspan} 
54          @return: the term span 
55          """ 
56          node_span = self.node.find('span') 
57          if node_span is not None: 
58              return Cspan(node_span) 
59          else: 
60              return None 
61       
62 -    def set_span(self,this_span): 
63          """ 
64          Sets the span for the lemma 
65          @type this_span: L{Cspan} 
66          @param this_span: lemma identifier 
67          """ 
68          self.node.append(this_span.get_node()) 
69