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/*
*  date_pre.jape
*
* Copyright (c) 1998-2004, The University of Sheffield.
*
*  This file is part of GATE (see http://gate.ac.uk/), and is free
*  software, licenced under the GNU Library General Public License,
*  Version 2, June 1991 (in the distribution as file licence.html,
*  and also available at http://gate.ac.uk/gate/licence.html).
*
*  Diana Maynard, 10 Sep 2001
* 
*  $Id: date_pre.jape 19646 2016-10-06 12:35:17Z dgmaynard $
*/


Phase:	DatePre
Options: control = appelt

///////
// Note: this muse come before the date phase,  because it includes extra context
// to prevent dates being recognised erroneously in the middle of longer things
//////


Macro: ORDINAL
(
   ({Token.kind == number}
    ({Token.string == "th"}|
     {Token.string == "rd"}|
     {Token.string == "nd"}|
     {Token.string == "st"})
    |
   {Lookup.minorType == ordinal})
   (SPACE
    {Token.string == "of"})?
)

/////////////////////////////////////////////////


Rule: GazDate
(SPACE | {Token.kind == punctuation})
(
 ({Lookup.minorType == day}) |
 ({Lookup.minorType == month}) |
 ({Lookup.minorType == festival})
)
:date
(SPACE | {Token.kind == punctuation})
-->
 :date.TempDate = {rule = "GazDate"}

Rule: GazDateAmbig
Priority: 200
(SPACE | {Token.kind == punctuation})
(
 {Token.string == "Sun"}
)
:date
(SPACE | {Token.kind == punctuation})
-->
 :date.TempDate = {rule = "GazDateAmbig", }

Rule: PersonDateAmbig
Priority: 100
(
 (ORDINAL)
)
:date

(SPACE)
(
 {TempPerson.kind == personName, TempPerson.rule == PersonFull}
):person
-->
:date.Date = {kind = date, rule = "PersonDateAmbig"},
{
//removes  TempPerson annotation, gets the rule feature and adds a new Person annotation
gate.AnnotationSet person = (gate.AnnotationSet)bindings.get("person");
gate.Annotation personAnn = (gate.Annotation)person.iterator().next();
gate.FeatureMap features = Factory.newFeatureMap();
features.put("rule1", personAnn.getFeatures().get("rule"));
features.put("rule2", "PersonDateAmbig");
outputAS.add(person.firstNode(), person.lastNode(), "Person",
features);
outputAS.removeAll(person);
}