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
4 sequences sequences.extras sets ;
7 : of* ( assoc key -- value/f ? ) swap at* ; inline
9 : of+ ( assoc key n -- assoc ) '[ 0 or _ + ] change-of ; inline
11 : of+* ( assoc key n -- assoc old new ) '[ [ 0 or _ + ] keep swap dup ] change-of ; inline
13 : delete-of ( assoc key -- assoc ) over delete-at ; inline
15 : delete-of* ( assoc key -- assoc value/f ? )
16 [ of* ] [ delete-of -rot ] 2bi ;
18 : ?delete-of ( assoc key -- assoc value/key ? )
19 [ ?of ] [ delete-of -rot ] 2bi ;
21 : rename-of ( assoc key newkey -- assoc )
22 [ delete-of* ] dip swap [ set-of ] [ 2drop ] if ;
24 : inc-of ( assoc key -- assoc ) 1 of+ ; inline
26 : inc-of* ( assoc key -- assoc old new ) 1 of+* ; inline
28 : push-at-each ( value keys assoc -- )
29 '[ _ push-at ] with each ; inline
31 : deep-of ( assoc seq -- value/f )
34 : deep-of-but-last ( assoc seq -- obj key )
35 unclip-last [ [ of ] each ] dip ; inline
37 : deep-change-of ( assoc seq quot -- )
38 [ deep-of-but-last swap ] dip change-at ; inline
40 : deep-set-of ( assoc seq elt -- )
41 [ deep-of-but-last ] dip spin set-at ; inline
43 : zip-longest-with ( seq1 seq2 fill -- assoc )
46 : zip-longest ( seq1 seq2 -- assoc )
49 : substitute! ( seq assoc -- seq )
52 : assoc-reduce ( ... assoc identity quot: ( ... prev key value -- next ) -- ... result )
53 [ >alist ] 2dip [ first2 ] prepose reduce ; inline
55 : reduce-keys ( ... assoc identity quot: ( ... prev elt -- ... next ) -- ... result )
56 [ drop ] prepose assoc-reduce ; inline
58 : reduce-values ( ... assoc identity quot: ( ... prev elt -- ... next ) -- ... result )
59 [ nip ] prepose assoc-reduce ; inline
61 : sum-keys ( assoc -- n ) 0 [ + ] reduce-keys ; inline
63 : sum-values ( assoc -- n ) 0 [ + ] reduce-values ; inline
65 : map-keys ( assoc quot: ( key -- key' ) -- assoc )
66 '[ _ dip ] assoc-map ; inline
68 : map-values ( assoc quot: ( value -- value' ) -- assoc )
69 '[ swap _ dip swap ] assoc-map ; inline
71 : filter-keys ( assoc quot: ( key -- key' ) -- assoc' )
72 '[ drop @ ] assoc-filter ; inline
74 : filter-values ( assoc quot: ( value -- value' ) -- assoc' )
75 '[ nip @ ] assoc-filter ; inline
77 : reject-keys ( assoc quot: ( key -- key' ) -- assoc' )
78 '[ drop @ ] assoc-reject ; inline
80 : reject-values ( assoc quot: ( value -- value' ) -- assoc' )
81 '[ nip @ ] assoc-reject ; inline
83 : rekey-new-assoc ( assoc keys -- newassoc )
84 [ tuck of ] with H{ } map>assoc ; inline
86 : rekey-assoc ( assoc keys -- assoc )
87 [ dup keys ] dip diff over [ delete-at ] curry each ; inline
89 : if-assoc-empty ( ..a assoc quot1: ( ..a -- ..b ) quot2: ( ..a assoc -- ..b ) -- ..b )
90 [ dup assoc-empty? ] [ [ drop ] prepose ] [ ] tri* if ; inline
92 : assoc-invert-as ( assoc exemplar -- newassoc )
93 [ swap ] swap assoc-map-as ;
95 : assoc-invert ( assoc -- newassoc )
98 : assoc-collect! ( assoc1 assoc2 -- assoc1 )
99 over [ push-at ] with-assoc assoc-each ;
101 : assoc-collect ( assoc1 assoc2 -- newassoc )
102 [ [ [ assoc-size ] bi@ + ] [ drop ] 2bi new-assoc ] 2keep
103 [ assoc-collect! ] bi@ ;
105 ! iterate over assoc2, replace conflicting values
107 : assoc-merge! ( assoc1 assoc2 quot: ( value1 value2 -- new-value ) -- assoc1' )
108 [| key2 val2 quot | val2 key2 pick
109 at* [ swap quot call ] [ drop ] if
110 key2 pick set-at ] curry assoc-each ; inline
112 ! Same as above, non-destructive
113 : assoc-merge ( assoc1 assoc2 quot: ( value1 value2 -- new-value ) -- new-assoc )
114 pick [ [ clone ] 2dip assoc-merge! ]
118 ! Successively apply assoc-merge operation
119 : assoc-collapse ( seq quot: ( value1 value2 -- new-value ) -- assoc )
122 [ [ unclip-slice H{ } or clone ] [ [ assoc-merge! ] curry ] bi* reduce ] if ; inline
124 : assoc-collapse! ( assoc seq quot: ( value1 value2 -- new-value ) -- assoc )
125 [ assoc-merge! ] curry each ; inline
127 : assoc-collapse-as ( seq quot: ( value1 value2 -- new-value ) exemplar -- assoc )
128 pick first assoc-size swap new-assoc
129 -rot assoc-collapse! ; inline
131 GENERIC: delete-value-at ( value assoc -- )
133 M: assoc delete-value-at
134 [ value-at* ] keep swap [ delete-at ] [ 2drop ] if ;
136 ERROR: key-exists value key assoc ;
137 : set-once-at ( value key assoc -- )
144 : kv-with ( obj assoc quot -- assoc curried )
145 swapd [ -rotd call ] 2curry ; inline
149 : (sequence>assoc) ( seq map-quot insert-quot assoc -- assoc )
150 [ swap curry compose each ] keep ; inline
152 : (sequence-index>assoc) ( seq map-quot insert-quot assoc -- assoc )
153 [ swap curry compose each-index ] keep ; inline
157 : sequence>assoc! ( assoc seq map-quot: ( x -- ..y ) insert-quot: ( ..y assoc -- ) -- assoc )
158 roll (sequence>assoc) ; inline
160 : assoc>object ( assoc map-quot insert-quot exemplar -- object )
161 clone [ swap curry compose assoc-each ] keep ; inline
163 : assoc>object! ( assoc seq map-quot: ( x -- ..y ) insert-quot: ( ..y assoc -- ) -- object )
164 roll assoc>object ; inline
166 : sequence>assoc ( seq map-quot insert-quot exemplar -- assoc )
167 clone (sequence>assoc) ; inline
169 : sequence-index>assoc ( seq map-quot insert-quot exemplar -- assoc )
170 clone (sequence-index>assoc) ; inline
172 : sequence-index>hashtable ( seq map-quot insert-quot -- hashtable )
173 H{ } sequence-index>assoc ; inline
175 : sequence>hashtable ( seq map-quot insert-quot -- hashtable )
176 H{ } sequence>assoc ; inline
178 : ?1array ( obj -- seq ) dup sequence? [ 1array ] unless ; inline
180 : expand-keys-set-at-as ( assoc exemplar -- hashtable' )
183 [ '[ _ set-at ] with each ]
186 : expand-keys-set-at ( assoc -- hashtable' )
187 H{ } expand-keys-set-at-as ;
189 : expand-keys-push-at-as ( assoc exemplar -- hashtable' )
195 : expand-keys-push-at ( assoc -- hashtable' )
196 H{ } expand-keys-push-at-as ; inline
198 : expand-keys-push-as ( assoc exemplar -- hashtable' )
201 [ '[ _ 2array _ push ] each ]
204 : expand-keys-push ( assoc -- hashtable' )
205 V{ } expand-keys-push-as ; inline
207 : expand-values-set-at-as ( assoc exemplar -- hashtable' )
210 [ '[ _ _ set-at ] each ]
213 : expand-values-set-at ( assoc -- hashtable' )
214 H{ } expand-values-set-at-as ; inline
216 : expand-values-push-at-as ( assoc exemplar -- hashtable' )
219 [ '[ _ _ push-at ] each ]
222 : expand-values-push-at ( assoc -- assoc )
223 H{ } expand-values-push-at-as ; inline
225 : expand-values-push-as ( assoc exemplar -- assoc )
228 [ '[ 2array _ push ] with each ]
231 : expand-values-push ( assoc -- sequence )
232 V{ } expand-values-push-as ; inline
234 : assoc-any-key? ( ... assoc quot: ( ... key -- ... ? ) -- ... ? )
235 [ drop ] prepose assoc-find 2nip ; inline
237 : assoc-any-value? ( ... assoc quot: ( ... value -- ... ? ) -- ... ? )
238 [ nip ] prepose assoc-find 2nip ; inline
240 : assoc-all-key? ( ... assoc quot: ( ... key -- ... ? ) -- ... ? )
241 [ not ] compose assoc-any-key? not ; inline
243 : assoc-all-value? ( ... assoc quot: ( ... value -- ... ? ) -- ... ? )
244 [ not ] compose assoc-any-value? not ; inline
246 : any-multi-key? ( assoc -- ? )
247 [ sequence? ] assoc-any-key? ;
249 : any-multi-value? ( assoc -- ? )
250 [ sequence? ] assoc-any-value? ;
252 : flatten-keys ( assoc -- assoc' )
253 dup any-multi-key? [ expand-keys-set-at flatten-keys ] when ;
255 : flatten-values ( assoc -- assoc' )
256 dup any-multi-value? [ expand-values-set-at flatten-values ] when ;
258 : intersect-keys-as ( assoc seq exemplar -- elts )
259 [ [ of ] with ] dip zip-with-as sift-values ; inline
261 : intersect-keys ( assoc seq -- elts )
262 over intersect-keys-as ; inline
264 : values-of ( assoc seq -- seq' )
265 [ of ] with map ; inline
267 : counts ( seq elts -- counts )
268 [ histogram ] dip intersect-keys ;
270 : histogram-diff ( hashtable1 hashtable2 -- hashtable3 )
271 [ neg swap pick at+ ] assoc-each
272 [ 0 > ] filter-values ;
274 : collect-by-multi! ( ... assoc seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
275 [ keep swap ] curry rot [
276 [ push-at-each ] curry compose each
279 : collect-by-multi ( ... seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
280 [ H{ } clone ] 2dip collect-by-multi! ; inline
283 : collect-assoc-by! ( ... assoc input-assoc quot: ( ... key value -- ... key' value' ) -- ... assoc )
284 rot [ '[ @ swap _ push-at ] assoc-each ] keep ; inline
286 : collect-assoc-by ( ... input-assoc quot: ( ... key value -- ... key value ) -- ... assoc )
287 [ H{ } clone ] 2dip collect-assoc-by! ; inline
289 : collect-key-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
290 '[ _ keepd ] collect-assoc-by! ; inline
292 : collect-key-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
293 [ H{ } clone ] 2dip collect-key-by! ; inline
295 : collect-value-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
296 '[ _ keep ] collect-assoc-by! ; inline
298 : collect-value-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
299 [ H{ } clone ] 2dip collect-value-by! ; inline
302 : collect-assoc-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
303 rot [ '[ @ swap _ push-at-each ] assoc-each ] keep ; inline
305 : collect-assoc-by-multi ( ... assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
306 [ H{ } clone ] 2dip collect-assoc-by-multi! ; inline
309 : collect-key-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
310 '[ _ keepd ] collect-assoc-by-multi! ; inline
312 : collect-key-by-multi ( ... assoc quot: ( ... key -- ... new-keys ) -- ... assoc )
313 [ H{ } clone ] 2dip collect-key-by-multi! ; inline
316 : collect-value-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
317 '[ _ keep ] collect-assoc-by-multi! ; inline
319 : collect-value-by-multi ( ... assoc quot: ( ... value -- ... new-keys ) -- ... assoc )
320 [ H{ } clone ] 2dip collect-value-by-multi! ; inline
322 : assoc-operator* ( assoc quot -- alist quot' )
323 [ >alist ] dip [ first2 swap ] prepose ; inline
325 : assoc-each* ( ... assoc quot: ( ... value key -- ... ) -- ... )
326 assoc-operator* each ; inline