1 ! Copyright (C) 2012 John Benediktsson, Doug Coleman
2 ! See https://factorcode.org/license.txt for BSD license
3 USING: arrays assocs assocs.private kernel math math.statistics
7 : change-of ( ..a assoc key quot: ( ..a value -- ..b newvalue ) -- ..b assoc )
8 [ [ of ] dip call ] 2keepd rot set-of ; inline
10 : of* ( assoc key -- value/f ? ) swap at* ; inline
12 : of+ ( assoc key n -- assoc ) '[ 0 or _ + ] change-of ; inline
14 : of+* ( assoc key n -- assoc old new )
15 '[ [ 0 or _ + ] keep swap dup ] change-of ; inline
17 : delete-of ( assoc key -- assoc ) over delete-at ; inline
19 : delete-of* ( assoc key -- assoc value/f ? )
20 [ of* ] [ delete-of -rot ] 2bi ;
22 : ?delete-of ( assoc key -- assoc value/key ? )
23 [ ?of ] [ delete-of -rot ] 2bi ;
25 : delete-keys-of ( assoc keys -- assoc )
28 : rename-of ( assoc key newkey -- assoc )
29 [ delete-of* ] dip swap [ set-of ] [ 2drop ] if ;
31 : inc-of ( assoc key -- assoc ) 1 of+ ; inline
33 : inc-of* ( assoc key -- assoc old new ) 1 of+* ; inline
35 : ?change-of ( ..a assoc key quot: ( ..a value -- ..b newvalue ) -- ..b assoc )
36 [ set-of ] compose [ 2dup ?of ] dip [ 2drop ] if ; inline
38 : maybe-set-of ( assoc key value -- assoc changed? )
40 [ dupd = [ 2drop f ] [ set-of t ] if ] [ nip set-of t ] if ;
42 : push-of ( assoc key value -- assoc )
43 swap pick push-at ; inline
45 : push-at-each ( value keys assoc -- )
46 '[ _ push-at ] with each ; inline
48 : deep-of ( assoc seq -- value/f )
51 : deep-of-but-last ( assoc seq -- obj key )
52 unclip-last [ [ of ] each ] dip ; inline
54 : deep-change-of ( assoc seq quot -- )
55 [ deep-of-but-last swap ] dip change-at ; inline
57 : deep-set-of ( assoc seq elt -- )
58 [ deep-of-but-last ] dip spin set-at ; inline
60 : substitute! ( seq assoc -- seq )
63 : rekey-new-assoc ( assoc keys -- newassoc )
64 [ tuck of ] with H{ } map>assoc ; inline
66 : rekey-assoc ( assoc keys -- assoc )
67 [ dup keys ] dip diff over [ delete-at ] curry each ; inline
69 : if-assoc-empty ( ..a assoc quot1: ( ..a -- ..b ) quot2: ( ..a assoc -- ..b ) -- ..b )
70 [ dup assoc-empty? ] [ [ drop ] prepose ] [ ] tri* if ; inline
72 : assoc-invert-as ( assoc exemplar -- newassoc )
73 [ swap ] swap assoc-map-as ;
75 : assoc-invert ( assoc -- newassoc )
78 : assoc-collect! ( assoc1 assoc2 -- assoc1 )
79 over [ push-at ] with-assoc assoc-each ;
81 : assoc-collect ( assoc1 assoc2 -- newassoc )
82 [ [ [ assoc-size ] bi@ + ] [ drop ] 2bi new-assoc ] 2keep
83 [ assoc-collect! ] bi@ ;
85 ! iterate over assoc2, replace conflicting values
87 : assoc-merge! ( assoc1 assoc2 quot: ( value1 value2 -- new-value ) -- assoc1' )
88 [| key2 val2 quot | val2 key2 pick
89 at* [ swap quot call ] [ drop ] if
90 key2 pick set-at ] curry assoc-each ; inline
92 ! Same as above, non-destructive
93 : assoc-merge ( assoc1 assoc2 quot: ( value1 value2 -- new-value ) -- new-assoc )
94 pick [ [ clone ] 2dip assoc-merge! ]
98 ! Successively apply assoc-merge operation
99 : assoc-collapse ( seq quot: ( value1 value2 -- new-value ) -- assoc )
102 [ [ unclip-slice H{ } or clone ] [ [ assoc-merge! ] curry ] bi* reduce ] if ; inline
104 : assoc-collapse! ( assoc seq quot: ( value1 value2 -- new-value ) -- assoc )
105 [ assoc-merge! ] curry each ; inline
107 : assoc-collapse-as ( seq quot: ( value1 value2 -- new-value ) exemplar -- assoc )
108 pick first assoc-size swap new-assoc
109 -rot assoc-collapse! ; inline
111 GENERIC: delete-value-at ( value assoc -- )
113 M: assoc delete-value-at
114 [ value-at* ] keep swap [ delete-at ] [ 2drop ] if ;
116 ERROR: key-exists value key assoc ;
117 : set-once-at ( value key assoc -- )
124 : ?set-once-at ( value key assoc -- value' first-time? )
125 [ ?at not ] keep '[ [ _ set-at ] keepd t ] [ nip f ] if ;
127 : kv-with ( obj assoc quot -- assoc curried )
128 swapd [ -rotd call ] 2curry ; inline
132 : (sequence>assoc) ( seq map-quot insert-quot assoc -- assoc )
133 [ swap curry compose each ] keep ; inline
135 : (sequence-index>assoc) ( seq map-quot insert-quot assoc -- assoc )
136 [ swap curry compose each-index ] keep ; inline
140 : sequence>assoc! ( assoc seq map-quot: ( x -- ..y ) insert-quot: ( ..y assoc -- ) -- assoc )
141 roll (sequence>assoc) ; inline
143 : assoc>object ( assoc map-quot insert-quot exemplar -- object )
144 clone [ swap curry compose assoc-each ] keep ; inline
146 : assoc>object! ( assoc seq map-quot: ( x -- ..y ) insert-quot: ( ..y assoc -- ) -- object )
147 roll assoc>object ; inline
149 : sequence>assoc ( seq map-quot insert-quot exemplar -- assoc )
150 clone (sequence>assoc) ; inline
152 : sequence-index>assoc ( seq map-quot insert-quot exemplar -- assoc )
153 clone (sequence-index>assoc) ; inline
155 : sequence-index>hashtable ( seq map-quot insert-quot -- hashtable )
156 H{ } sequence-index>assoc ; inline
158 : sequence>hashtable ( seq map-quot insert-quot -- hashtable )
159 H{ } sequence>assoc ; inline
161 : ?1array ( obj -- seq ) dup sequence? [ 1array ] unless ; inline
163 : expand-keys-set-at-as ( assoc exemplar -- hashtable' )
166 [ '[ _ set-at ] with each ]
169 : expand-keys-set-at ( assoc -- hashtable' )
170 H{ } expand-keys-set-at-as ;
172 : expand-keys-push-at-as ( assoc exemplar -- hashtable' )
178 : expand-keys-push-at ( assoc -- hashtable' )
179 H{ } expand-keys-push-at-as ; inline
181 : expand-keys-push-as ( assoc exemplar -- hashtable' )
184 [ '[ _ 2array _ push ] each ]
187 : expand-keys-push ( assoc -- hashtable' )
188 V{ } expand-keys-push-as ; inline
190 : expand-values-set-at-as ( assoc exemplar -- hashtable' )
193 [ '[ _ _ set-at ] each ]
196 : expand-values-set-at ( assoc -- hashtable' )
197 H{ } expand-values-set-at-as ; inline
199 : expand-values-push-at-as ( assoc exemplar -- hashtable' )
202 [ '[ _ _ push-at ] each ]
205 : expand-values-push-at ( assoc -- assoc )
206 H{ } expand-values-push-at-as ; inline
208 : expand-values-push-as ( assoc exemplar -- assoc )
211 [ '[ 2array _ push ] with each ]
214 : expand-values-push ( assoc -- sequence )
215 V{ } expand-values-push-as ; inline
217 : any-multi-key? ( assoc -- ? ) [ sequence? ] any-key? ;
219 : any-multi-value? ( assoc -- ? ) [ sequence? ] any-value? ;
221 : flatten-keys ( assoc -- assoc' )
222 dup any-multi-key? [ expand-keys-set-at flatten-keys ] when ;
224 : flatten-values ( assoc -- assoc' )
225 dup any-multi-value? [ expand-values-set-at flatten-values ] when ;
227 : intersect-keys-as ( assoc seq exemplar -- elts )
228 [ [ of ] with ] dip zip-with-as sift-values ; inline
230 : intersect-keys ( assoc seq -- elts )
231 over intersect-keys-as ; inline
233 : values-of ( assoc seq -- seq' )
234 [ of ] with map ; inline
236 : counts ( seq elts -- counts )
237 [ histogram ] dip intersect-keys ;
239 : histogram-diff ( hashtable1 hashtable2 -- hashtable3 )
240 [ neg swap pick at+ ] assoc-each
241 [ 0 > ] filter-values ;
243 : collect-by-multi! ( ... assoc seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
244 [ keep swap ] curry rot [
245 [ push-at-each ] curry compose each
248 : collect-by-multi ( ... seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
249 [ H{ } clone ] 2dip collect-by-multi! ; inline
252 : collect-assoc-by! ( ... assoc input-assoc quot: ( ... key value -- ... key' value' ) -- ... assoc )
253 rot [ '[ @ swap _ push-at ] assoc-each ] keep ; inline
255 : collect-assoc-by ( ... input-assoc quot: ( ... key value -- ... key value ) -- ... assoc )
256 [ H{ } clone ] 2dip collect-assoc-by! ; inline
258 : collect-key-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
259 '[ _ keepd ] collect-assoc-by! ; inline
261 : collect-key-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
262 [ H{ } clone ] 2dip collect-key-by! ; inline
264 : collect-value-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
265 '[ _ keep ] collect-assoc-by! ; inline
267 : collect-value-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
268 [ H{ } clone ] 2dip collect-value-by! ; inline
271 : collect-assoc-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
272 rot [ '[ @ swap _ push-at-each ] assoc-each ] keep ; inline
274 : collect-assoc-by-multi ( ... assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
275 [ H{ } clone ] 2dip collect-assoc-by-multi! ; inline
278 : collect-key-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
279 '[ _ keepd ] collect-assoc-by-multi! ; inline
281 : collect-key-by-multi ( ... assoc quot: ( ... key -- ... new-keys ) -- ... assoc )
282 [ H{ } clone ] 2dip collect-key-by-multi! ; inline
285 : collect-value-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
286 '[ _ keep ] collect-assoc-by-multi! ; inline
288 : collect-value-by-multi ( ... assoc quot: ( ... value -- ... new-keys ) -- ... assoc )
289 [ H{ } clone ] 2dip collect-value-by-multi! ; inline
291 : assoc-operator* ( assoc quot -- alist quot' )
292 [ >alist ] dip [ first2 swap ] prepose ; inline
294 : assoc-each* ( ... assoc quot: ( ... value key -- ... ) -- ... )
295 assoc-operator* each ; inline
297 : collect-index-by! ( ... assoc seq quot: ( ... obj -- ... key ) -- ... assoc )
298 rot [ '[ @ swap _ push-at ] each-index ] keep ; inline
300 : collect-index-by ( ... seq quot: ( ... obj -- ... key ) -- ... assoc )
301 [ H{ } clone ] 2dip collect-index-by! ; inline
303 : assoc-interleave ( ... assoc between quot: ( ... key value -- ... ) -- ... )
304 [ >alist ] 2dip [ first2 ] prepose interleave ; inline