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 ) '[ [ 0 or _ + ] keep swap dup ] change-of ; inline
16 : delete-of ( assoc key -- assoc ) over delete-at ; inline
18 : delete-of* ( assoc key -- assoc value/f ? )
19 [ of* ] [ delete-of -rot ] 2bi ;
21 : ?delete-of ( assoc key -- assoc value/key ? )
22 [ ?of ] [ delete-of -rot ] 2bi ;
24 : rename-of ( assoc key newkey -- assoc )
25 [ delete-of* ] dip swap [ set-of ] [ 2drop ] if ;
27 : inc-of ( assoc key -- assoc ) 1 of+ ; inline
29 : inc-of* ( assoc key -- assoc old new ) 1 of+* ; inline
31 : ?change-of ( ..a assoc key quot: ( ..a value -- ..b newvalue ) -- ..b assoc )
32 [ set-of ] compose [ 2dup ?of ] dip [ 2drop ] if ; inline
34 : maybe-set-of ( assoc key value -- assoc changed? )
36 [ dupd = [ 2drop f ] [ set-of t ] if ] [ nip set-of t ] if ;
38 : push-of ( assoc key value -- assoc )
39 swap pick push-at ; inline
41 : push-at-each ( value keys assoc -- )
42 '[ _ push-at ] with each ; inline
44 : deep-of ( assoc seq -- value/f )
47 : deep-of-but-last ( assoc seq -- obj key )
48 unclip-last [ [ of ] each ] dip ; inline
50 : deep-change-of ( assoc seq quot -- )
51 [ deep-of-but-last swap ] dip change-at ; inline
53 : deep-set-of ( assoc seq elt -- )
54 [ deep-of-but-last ] dip spin set-at ; inline
56 : substitute! ( seq assoc -- seq )
59 : assoc-reduce ( ... assoc identity quot: ( ... prev key value -- next ) -- ... result )
60 [ >alist ] 2dip [ first2 ] prepose reduce ; inline
62 : reduce-keys ( ... assoc identity quot: ( ... prev elt -- ... next ) -- ... result )
63 [ drop ] prepose assoc-reduce ; inline
65 : reduce-values ( ... assoc identity quot: ( ... prev elt -- ... next ) -- ... result )
66 [ nip ] prepose assoc-reduce ; inline
68 : sum-keys ( assoc -- n ) 0 [ + ] reduce-keys ; inline
70 : sum-values ( assoc -- n ) 0 [ + ] reduce-values ; inline
72 : map-keys ( assoc quot: ( key -- key' ) -- assoc )
73 '[ _ dip ] assoc-map ; inline
75 : map-values ( assoc quot: ( value -- value' ) -- assoc )
76 '[ swap _ dip swap ] assoc-map ; inline
78 : filter-keys ( assoc quot: ( key -- key' ) -- assoc' )
79 '[ drop @ ] assoc-filter ; inline
81 : filter-values ( assoc quot: ( value -- value' ) -- assoc' )
82 '[ nip @ ] assoc-filter ; inline
84 : reject-keys ( assoc quot: ( key -- key' ) -- assoc' )
85 '[ drop @ ] assoc-reject ; inline
87 : reject-values ( assoc quot: ( value -- value' ) -- assoc' )
88 '[ nip @ ] assoc-reject ; inline
90 : rekey-new-assoc ( assoc keys -- newassoc )
91 [ tuck of ] with H{ } map>assoc ; inline
93 : rekey-assoc ( assoc keys -- assoc )
94 [ dup keys ] dip diff over [ delete-at ] curry each ; inline
96 : if-assoc-empty ( ..a assoc quot1: ( ..a -- ..b ) quot2: ( ..a assoc -- ..b ) -- ..b )
97 [ dup assoc-empty? ] [ [ drop ] prepose ] [ ] tri* if ; inline
99 : assoc-invert-as ( assoc exemplar -- newassoc )
100 [ swap ] swap assoc-map-as ;
102 : assoc-invert ( assoc -- newassoc )
103 dup assoc-invert-as ;
105 : assoc-collect! ( assoc1 assoc2 -- assoc1 )
106 over [ push-at ] with-assoc assoc-each ;
108 : assoc-collect ( assoc1 assoc2 -- newassoc )
109 [ [ [ assoc-size ] bi@ + ] [ drop ] 2bi new-assoc ] 2keep
110 [ assoc-collect! ] bi@ ;
112 ! iterate over assoc2, replace conflicting values
114 : assoc-merge! ( assoc1 assoc2 quot: ( value1 value2 -- new-value ) -- assoc1' )
115 [| key2 val2 quot | val2 key2 pick
116 at* [ swap quot call ] [ drop ] if
117 key2 pick set-at ] curry assoc-each ; inline
119 ! Same as above, non-destructive
120 : assoc-merge ( assoc1 assoc2 quot: ( value1 value2 -- new-value ) -- new-assoc )
121 pick [ [ clone ] 2dip assoc-merge! ]
125 ! Successively apply assoc-merge operation
126 : assoc-collapse ( seq quot: ( value1 value2 -- new-value ) -- assoc )
129 [ [ unclip-slice H{ } or clone ] [ [ assoc-merge! ] curry ] bi* reduce ] if ; inline
131 : assoc-collapse! ( assoc seq quot: ( value1 value2 -- new-value ) -- assoc )
132 [ assoc-merge! ] curry each ; inline
134 : assoc-collapse-as ( seq quot: ( value1 value2 -- new-value ) exemplar -- assoc )
135 pick first assoc-size swap new-assoc
136 -rot assoc-collapse! ; inline
138 GENERIC: delete-value-at ( value assoc -- )
140 M: assoc delete-value-at
141 [ value-at* ] keep swap [ delete-at ] [ 2drop ] if ;
143 ERROR: key-exists value key assoc ;
144 : set-once-at ( value key assoc -- )
151 : kv-with ( obj assoc quot -- assoc curried )
152 swapd [ -rotd call ] 2curry ; inline
156 : (sequence>assoc) ( seq map-quot insert-quot assoc -- assoc )
157 [ swap curry compose each ] keep ; inline
159 : (sequence-index>assoc) ( seq map-quot insert-quot assoc -- assoc )
160 [ swap curry compose each-index ] keep ; inline
164 : sequence>assoc! ( assoc seq map-quot: ( x -- ..y ) insert-quot: ( ..y assoc -- ) -- assoc )
165 roll (sequence>assoc) ; inline
167 : assoc>object ( assoc map-quot insert-quot exemplar -- object )
168 clone [ swap curry compose assoc-each ] keep ; inline
170 : assoc>object! ( assoc seq map-quot: ( x -- ..y ) insert-quot: ( ..y assoc -- ) -- object )
171 roll assoc>object ; inline
173 : sequence>assoc ( seq map-quot insert-quot exemplar -- assoc )
174 clone (sequence>assoc) ; inline
176 : sequence-index>assoc ( seq map-quot insert-quot exemplar -- assoc )
177 clone (sequence-index>assoc) ; inline
179 : sequence-index>hashtable ( seq map-quot insert-quot -- hashtable )
180 H{ } sequence-index>assoc ; inline
182 : sequence>hashtable ( seq map-quot insert-quot -- hashtable )
183 H{ } sequence>assoc ; inline
185 : ?1array ( obj -- seq ) dup sequence? [ 1array ] unless ; inline
187 : expand-keys-set-at-as ( assoc exemplar -- hashtable' )
190 [ '[ _ set-at ] with each ]
193 : expand-keys-set-at ( assoc -- hashtable' )
194 H{ } expand-keys-set-at-as ;
196 : expand-keys-push-at-as ( assoc exemplar -- hashtable' )
202 : expand-keys-push-at ( assoc -- hashtable' )
203 H{ } expand-keys-push-at-as ; inline
205 : expand-keys-push-as ( assoc exemplar -- hashtable' )
208 [ '[ _ 2array _ push ] each ]
211 : expand-keys-push ( assoc -- hashtable' )
212 V{ } expand-keys-push-as ; inline
214 : expand-values-set-at-as ( assoc exemplar -- hashtable' )
217 [ '[ _ _ set-at ] each ]
220 : expand-values-set-at ( assoc -- hashtable' )
221 H{ } expand-values-set-at-as ; inline
223 : expand-values-push-at-as ( assoc exemplar -- hashtable' )
226 [ '[ _ _ push-at ] each ]
229 : expand-values-push-at ( assoc -- assoc )
230 H{ } expand-values-push-at-as ; inline
232 : expand-values-push-as ( assoc exemplar -- assoc )
235 [ '[ 2array _ push ] with each ]
238 : expand-values-push ( assoc -- sequence )
239 V{ } expand-values-push-as ; inline
241 : assoc-any-key? ( ... assoc quot: ( ... key -- ... ? ) -- ... ? )
242 [ drop ] prepose assoc-find 2nip ; inline
244 : assoc-any-value? ( ... assoc quot: ( ... value -- ... ? ) -- ... ? )
245 [ nip ] prepose assoc-find 2nip ; inline
247 : assoc-all-key? ( ... assoc quot: ( ... key -- ... ? ) -- ... ? )
248 [ not ] compose assoc-any-key? not ; inline
250 : assoc-all-value? ( ... assoc quot: ( ... value -- ... ? ) -- ... ? )
251 [ not ] compose assoc-any-value? not ; inline
253 : any-multi-key? ( assoc -- ? )
254 [ sequence? ] assoc-any-key? ;
256 : any-multi-value? ( assoc -- ? )
257 [ sequence? ] assoc-any-value? ;
259 : flatten-keys ( assoc -- assoc' )
260 dup any-multi-key? [ expand-keys-set-at flatten-keys ] when ;
262 : flatten-values ( assoc -- assoc' )
263 dup any-multi-value? [ expand-values-set-at flatten-values ] when ;
265 : intersect-keys-as ( assoc seq exemplar -- elts )
266 [ [ of ] with ] dip zip-with-as sift-values ; inline
268 : intersect-keys ( assoc seq -- elts )
269 over intersect-keys-as ; inline
271 : values-of ( assoc seq -- seq' )
272 [ of ] with map ; inline
274 : counts ( seq elts -- counts )
275 [ histogram ] dip intersect-keys ;
277 : histogram-diff ( hashtable1 hashtable2 -- hashtable3 )
278 [ neg swap pick at+ ] assoc-each
279 [ 0 > ] filter-values ;
281 : collect-by-multi! ( ... assoc seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
282 [ keep swap ] curry rot [
283 [ push-at-each ] curry compose each
286 : collect-by-multi ( ... seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
287 [ H{ } clone ] 2dip collect-by-multi! ; inline
290 : collect-assoc-by! ( ... assoc input-assoc quot: ( ... key value -- ... key' value' ) -- ... assoc )
291 rot [ '[ @ swap _ push-at ] assoc-each ] keep ; inline
293 : collect-assoc-by ( ... input-assoc quot: ( ... key value -- ... key value ) -- ... assoc )
294 [ H{ } clone ] 2dip collect-assoc-by! ; inline
296 : collect-key-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
297 '[ _ keepd ] collect-assoc-by! ; inline
299 : collect-key-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
300 [ H{ } clone ] 2dip collect-key-by! ; inline
302 : collect-value-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
303 '[ _ keep ] collect-assoc-by! ; inline
305 : collect-value-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
306 [ H{ } clone ] 2dip collect-value-by! ; inline
309 : collect-assoc-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
310 rot [ '[ @ swap _ push-at-each ] assoc-each ] keep ; inline
312 : collect-assoc-by-multi ( ... assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
313 [ H{ } clone ] 2dip collect-assoc-by-multi! ; inline
316 : collect-key-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
317 '[ _ keepd ] collect-assoc-by-multi! ; inline
319 : collect-key-by-multi ( ... assoc quot: ( ... key -- ... new-keys ) -- ... assoc )
320 [ H{ } clone ] 2dip collect-key-by-multi! ; inline
323 : collect-value-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
324 '[ _ keep ] collect-assoc-by-multi! ; inline
326 : collect-value-by-multi ( ... assoc quot: ( ... value -- ... new-keys ) -- ... assoc )
327 [ H{ } clone ] 2dip collect-value-by-multi! ; inline
329 : assoc-operator* ( assoc quot -- alist quot' )
330 [ >alist ] dip [ first2 swap ] prepose ; inline
332 : assoc-each* ( ... assoc quot: ( ... value key -- ... ) -- ... )
333 assoc-operator* each ; inline