[Zaf-commit] SF.net SVN: zaf:[9662] trunk/dict/zu/hunspell/zu_aff.py

[<fri...@us...>]

Revision: 9662
          http://zaf.svn.sourceforge.net/zaf/?rev=9662&view=rev
Author:   friedelwolff
Date:     2009-01-15 15:39:12 +0000 (Thu, 15 Jan 2009)

Log Message:
-----------
Start the work on noun morphology. This adds support for simple possessives

Modified Paths:
--------------
    trunk/dict/zu/hunspell/zu_aff.py

Modified: trunk/dict/zu/hunspell/zu_aff.py
===================================================================
--- trunk/dict/zu/hunspell/zu_aff.py	2009-01-15 14:33:45 UTC (rev 9661)
+++ trunk/dict/zu/hunspell/zu_aff.py	2009-01-15 15:39:12 UTC (rev 9662)
@@ -38,6 +38,13 @@
 #TODO: auxilary verbs
 #TODO: consider avoiding illegal reflexives
 
+#NOUNS:
+#TODO: locatives
+#TODO: locatives of class 1
+#TODO: possessive of class 1
+#TODO: review possessive of class 2a
+
+
 from hunspell_format import *
 import re
 
@@ -47,6 +54,8 @@
 situative_prefixes = ["e", "be"]
 concords = subject_morphemes + relative_prefixes + situative_prefixes
 object_morphemes = ["ngi", "ku", "si", "ni", "m", "ba", "wu", "yi", "li", "wa", "zi", "lu", "bu"]
+possesive_morphemes = ["wa", "ba", "ya", "la", "sa", "za", "lwa", "kwa"]
+#bu -> ba
 
 a_rules = [["a", "Y", "PFX"]]
 """prefixes only applicable to verbs ending on -a"""
@@ -224,6 +233,31 @@
         pass
     return group.rules
 
+def noun_rules(group, **kwargs):
+    """Generate the necessary rules to prepend the given prefix to a noun
+
+    It receives a string with the already built (complete) prefix and 
+    returns a list of lists, with each list presenting one affix rule.
+    """
+    prefix = kwargs.pop('affix')
+    if prefix[-1] == 'a':
+        prefix = prefix[0:-1]
+        #prefix could now be "", which is probably ok:
+        # amamanzi (a)amadoda
+        group.add_rule(affix=prefix, condition="a", **kwargs)
+        group.add_rule(affix=prefix+'e', condition="i", strip="i", **kwargs)
+        group.add_rule(affix=prefix+'o', condition="u", strip="u", **kwargs)
+        return group.rules
+
+    if prefix[-1] == 'u':
+        prefix = prefix[0:-1]
+        # Any prefixes except the identifying copulative "ngu"/"wu"
+        group.add_rule(affix=prefix, condition="[ou]", **kwargs)
+        return group.rules
+
+    print >> sys.stderr, "got an unexpected noun prefix:", prefix
+    return group.rules
+
 ################################################################################
 
 for i in concords:
@@ -507,4 +541,13 @@
     locative_sfx.add_rule(affix="eni", strip="a", circumfix=True, morphology="LOC_sfx")
 
 
+    ###  Nouns  ###
+
+    noun = aff.add_group(prefix=True, flag="N")
+    # This group will contain most prefixes for nouns
+
+    for morpheme in possesive_morphemes:
+        noun_rules(noun, affix=morpheme, morphology="POSSESSIVE")
+
+
     print aff.hunspell()


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