root/tags/lgt293/library/dictionaryp.lgt

Revision 2, 2.4 KB (checked in by pmoura, 7 years ago)

Initial revision

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  • Property svn:keywords set to Author Date Id Revision
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1
2:- protocol(dictionaryp).
3
4
5    :- info([
6        version is 1.0,
7        authors is 'Paulo Moura',
8        date is 2000/7/24,
9        comment is 'Dictionary protocol.']).
10
11
12    :- public(as_dictionary/2).
13
14    :- mode(as_dictionary(@list, -dictionary), one).
15
16    :- info(as_dictionary/2, [
17        comment is 'Converts a list of key-value pairs to a dictionary.',
18        argnames is ['List', 'Dictionary']]).
19
20
21    :- public(as_list/2).
22
23    :- mode(as_list(@dictionary, -list), one).
24
25    :- info(as_list/2, [
26        comment is 'Converts a dictionary to a list of key-value pairs.',
27        argnames is ['Dictionary', 'List']]).
28
29
30    :- public(delete/4).
31
32    :- mode(delete(+dictionary, @ground, ?term, -dictionary), zero_or_one).
33
34    :- info(delete/4, [
35        comment is 'Deletes a matching Key-Value pair from a dictionary, returning the updated dictionary.',
36        argnames is ['Dictionary_in', 'Key', 'Value', 'Dictionary_out']]).
37
38
39    :- public(empty/1).
40
41    :- mode(empty(@dictionary), zero_or_one).
42
43    :- info(empty/1, [
44        comment is 'True if the dictionary is empty.',
45        argnames is ['Dictionary']]).
46
47
48    :- public(insert/4).
49
50    :- mode(insert(+ground, @term, +dictionary, -dictionary), one).
51
52    :- info(insert/4, [
53        comment is 'Inserts a Key-Value pair into a dictionary, returning the updated dictionary.',
54        argnames is ['Key', 'Value', 'Dictionary_in', 'Dictionary_out']]).
55
56
57    :- public(insert_all/3).
58
59    :- mode(insert_all(@list, +dictionary, -dictionary), one).
60
61    :- info(insert_all/3, [
62        comment is 'Inserts a list of Key-Value pairs into a dictionary, returning the updated dictionary.',
63        argnames is ['List', 'Dictionary_in', 'Dictionary_out']]).
64
65
66    :- public(lookup/3).
67
68    :- mode(lookup(+ground, ?term, @dictionary), zero_or_one).
69    :- mode(lookup(-ground, ?term, @dictionary), zero_or_more).
70
71    :- info(lookup/3, [
72        comment is 'Get a matching Key-Value pair from a dictionary.',
73        argnames is ['Key', 'Value', 'Dictionary']]).
74
75
76    :- public(keys/2).
77
78    :- mode(keys(@dictionary, -list), one).
79
80    :- info(keys/2, [
81        comment is 'Returns a list with all dictionary keys.',
82        argnames is ['Dictionary', 'List']]).
83
84
85    :- public(map/3).
86
87    :- mode(map(+functor, +dictionary, -dictionary), zero_or_one).
88
89    :- info(map/3, [
90        comment is 'Maps a binary predicate over each dictionary key-value pair returning a new pair.',
91        argnames is ['Functor', 'In', 'Out']]).
92
93
94    :- public(size/2).
95
96    :- mode(size(@dictionary, ?integer), zero_or_one).
97
98    :- info(size/2, [
99        comment is 'Number of dictionary entries.',
100        argnames is ['Dictionary', 'Size']]).
101
102
103:- end_protocol.
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