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 : at+* ( n key assoc -- old new ) [ 0 or [ + ] keep swap dup ] change-at ; inline
26 : inc-at* ( key assoc -- old new ) [ 1 ] 2dip at+* ; inline
28 : inc-of ( assoc key -- assoc ) 1 of+ ; inline
30 : inc-of* ( assoc key -- assoc old new ) 1 of+* ; inline
32 : change-of ( ..a assoc key quot: ( ..a value -- ..b newvalue ) -- ..b assoc )
33 [ [ of ] dip call ] 2keepd rot set-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 : zip-longest-with ( seq1 seq2 fill -- assoc )
63 : zip-longest ( seq1 seq2 -- assoc )
66 : substitute! ( seq assoc -- seq )
69 : assoc-reduce ( ... assoc identity quot: ( ... prev key value -- next ) -- ... result )
70 [ >alist ] 2dip [ first2 ] prepose reduce ; inline
72 : reduce-keys ( ... assoc identity quot: ( ... prev elt -- ... next ) -- ... result )
73 [ drop ] prepose assoc-reduce ; inline
75 : reduce-values ( ... assoc identity quot: ( ... prev elt -- ... next ) -- ... result )
76 [ nip ] prepose assoc-reduce ; inline
78 : sum-keys ( assoc -- n ) 0 [ + ] reduce-keys ; inline
80 : sum-values ( assoc -- n ) 0 [ + ] reduce-values ; inline
82 : map-keys ( assoc quot: ( key -- key' ) -- assoc )
83 '[ _ dip ] assoc-map ; inline
85 : map-values ( assoc quot: ( value -- value' ) -- assoc )
86 '[ swap _ dip swap ] assoc-map ; inline
88 : filter-keys ( assoc quot: ( key -- key' ) -- assoc' )
89 '[ drop @ ] assoc-filter ; inline
91 : filter-values ( assoc quot: ( value -- value' ) -- assoc' )
92 '[ nip @ ] assoc-filter ; inline
94 : reject-keys ( assoc quot: ( key -- key' ) -- assoc' )
95 '[ drop @ ] assoc-reject ; inline
97 : reject-values ( assoc quot: ( value -- value' ) -- assoc' )
98 '[ nip @ ] assoc-reject ; inline
100 : rekey-new-assoc ( assoc keys -- newassoc )
101 [ tuck of ] with H{ } map>assoc ; inline
103 : rekey-assoc ( assoc keys -- assoc )
104 [ dup keys ] dip diff over [ delete-at ] curry each ; inline
106 : if-assoc-empty ( ..a assoc quot1: ( ..a -- ..b ) quot2: ( ..a assoc -- ..b ) -- ..b )
107 [ dup assoc-empty? ] [ [ drop ] prepose ] [ ] tri* if ; inline
109 : assoc-invert-as ( assoc exemplar -- newassoc )
110 [ swap ] swap assoc-map-as ;
112 : assoc-invert ( assoc -- newassoc )
113 dup assoc-invert-as ;
115 : assoc-collect! ( assoc1 assoc2 -- assoc1 )
116 over [ push-at ] with-assoc assoc-each ;
118 : assoc-collect ( assoc1 assoc2 -- newassoc )
119 [ [ [ assoc-size ] bi@ + ] [ drop ] 2bi new-assoc ] 2keep
120 [ assoc-collect! ] bi@ ;
122 ! iterate over assoc2, replace conflicting values
124 : assoc-merge! ( assoc1 assoc2 quot: ( value1 value2 -- new-value ) -- assoc1' )
125 [| key2 val2 quot | val2 key2 pick
126 at* [ swap quot call ] [ drop ] if
127 key2 pick set-at ] curry assoc-each ; inline
129 ! Same as above, non-destructive
130 : assoc-merge ( assoc1 assoc2 quot: ( value1 value2 -- new-value ) -- new-assoc )
131 pick [ [ clone ] 2dip assoc-merge! ]
135 ! Successively apply assoc-merge operation
136 : assoc-collapse ( seq quot: ( value1 value2 -- new-value ) -- assoc )
139 [ [ unclip-slice H{ } or clone ] [ [ assoc-merge! ] curry ] bi* reduce ] if ; inline
141 : assoc-collapse! ( assoc seq quot: ( value1 value2 -- new-value ) -- assoc )
142 [ assoc-merge! ] curry each ; inline
144 : assoc-collapse-as ( seq quot: ( value1 value2 -- new-value ) exemplar -- assoc )
145 pick first assoc-size swap new-assoc
146 -rot assoc-collapse! ; inline
148 GENERIC: delete-value-at ( value assoc -- )
150 M: assoc delete-value-at
151 [ value-at* ] keep swap [ delete-at ] [ 2drop ] if ;
153 ERROR: key-exists value key assoc ;
154 : set-once-at ( value key assoc -- )
161 : kv-with ( obj assoc quot -- assoc curried )
162 swapd [ -rotd call ] 2curry ; inline
166 : (sequence>assoc) ( seq map-quot insert-quot assoc -- assoc )
167 [ swap curry compose each ] keep ; inline
169 : (sequence-index>assoc) ( seq map-quot insert-quot assoc -- assoc )
170 [ swap curry compose each-index ] keep ; inline
174 : sequence>assoc! ( assoc seq map-quot: ( x -- ..y ) insert-quot: ( ..y assoc -- ) -- assoc )
175 roll (sequence>assoc) ; inline
177 : assoc>object ( assoc map-quot insert-quot exemplar -- object )
178 clone [ swap curry compose assoc-each ] keep ; inline
180 : assoc>object! ( assoc seq map-quot: ( x -- ..y ) insert-quot: ( ..y assoc -- ) -- object )
181 roll assoc>object ; inline
183 : sequence>assoc ( seq map-quot insert-quot exemplar -- assoc )
184 clone (sequence>assoc) ; inline
186 : sequence-index>assoc ( seq map-quot insert-quot exemplar -- assoc )
187 clone (sequence-index>assoc) ; inline
189 : sequence-index>hashtable ( seq map-quot insert-quot -- hashtable )
190 H{ } sequence-index>assoc ; inline
192 : sequence>hashtable ( seq map-quot insert-quot -- hashtable )
193 H{ } sequence>assoc ; inline
195 : ?1array ( obj -- seq ) dup sequence? [ 1array ] unless ; inline
197 : expand-keys-set-at-as ( assoc exemplar -- hashtable' )
200 [ '[ _ set-at ] with each ]
203 : expand-keys-set-at ( assoc -- hashtable' )
204 H{ } expand-keys-set-at-as ;
206 : expand-keys-push-at-as ( assoc exemplar -- hashtable' )
212 : expand-keys-push-at ( assoc -- hashtable' )
213 H{ } expand-keys-push-at-as ; inline
215 : expand-keys-push-as ( assoc exemplar -- hashtable' )
218 [ '[ _ 2array _ push ] each ]
221 : expand-keys-push ( assoc -- hashtable' )
222 V{ } expand-keys-push-as ; inline
224 : expand-values-set-at-as ( assoc exemplar -- hashtable' )
227 [ '[ _ _ set-at ] each ]
230 : expand-values-set-at ( assoc -- hashtable' )
231 H{ } expand-values-set-at-as ; inline
233 : expand-values-push-at-as ( assoc exemplar -- hashtable' )
236 [ '[ _ _ push-at ] each ]
239 : expand-values-push-at ( assoc -- assoc )
240 H{ } expand-values-push-at-as ; inline
242 : expand-values-push-as ( assoc exemplar -- assoc )
245 [ '[ 2array _ push ] with each ]
248 : expand-values-push ( assoc -- sequence )
249 V{ } expand-values-push-as ; inline
251 : assoc-any-key? ( ... assoc quot: ( ... key -- ... ? ) -- ... ? )
252 [ drop ] prepose assoc-find 2nip ; inline
254 : assoc-any-value? ( ... assoc quot: ( ... value -- ... ? ) -- ... ? )
255 [ nip ] prepose assoc-find 2nip ; inline
257 : assoc-all-key? ( ... assoc quot: ( ... key -- ... ? ) -- ... ? )
258 [ not ] compose assoc-any-key? not ; inline
260 : assoc-all-value? ( ... assoc quot: ( ... value -- ... ? ) -- ... ? )
261 [ not ] compose assoc-any-value? not ; inline
263 : any-multi-key? ( assoc -- ? )
264 [ sequence? ] assoc-any-key? ;
266 : any-multi-value? ( assoc -- ? )
267 [ sequence? ] assoc-any-value? ;
269 : flatten-keys ( assoc -- assoc' )
270 dup any-multi-key? [ expand-keys-set-at flatten-keys ] when ;
272 : flatten-values ( assoc -- assoc' )
273 dup any-multi-value? [ expand-values-set-at flatten-values ] when ;
275 : intersect-keys-as ( assoc seq exemplar -- elts )
276 [ [ of ] with ] dip zip-with-as sift-values ; inline
278 : intersect-keys ( assoc seq -- elts )
279 over intersect-keys-as ; inline
281 : values-of ( assoc seq -- seq' )
282 [ of ] with map ; inline
284 : counts ( seq elts -- counts )
285 [ histogram ] dip intersect-keys ;
287 : histogram-diff ( hashtable1 hashtable2 -- hashtable3 )
288 [ neg swap pick at+ ] assoc-each
289 [ 0 > ] filter-values ;
291 : collect-by-multi! ( ... assoc seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
292 [ keep swap ] curry rot [
293 [ push-at-each ] curry compose each
296 : collect-by-multi ( ... seq quot: ( ... obj -- ... new-keys ) -- ... assoc )
297 [ H{ } clone ] 2dip collect-by-multi! ; inline
300 : collect-assoc-by! ( ... assoc input-assoc quot: ( ... key value -- ... key' value' ) -- ... assoc )
301 rot [ '[ @ swap _ push-at ] assoc-each ] keep ; inline
303 : collect-assoc-by ( ... input-assoc quot: ( ... key value -- ... key value ) -- ... assoc )
304 [ H{ } clone ] 2dip collect-assoc-by! ; inline
306 : collect-key-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
307 '[ _ keepd ] collect-assoc-by! ; inline
309 : collect-key-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
310 [ H{ } clone ] 2dip collect-key-by! ; inline
312 : collect-value-by! ( ... assoc input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
313 '[ _ keep ] collect-assoc-by! ; inline
315 : collect-value-by ( ... input-assoc quot: ( ... key value -- ... new-key ) -- ... assoc )
316 [ H{ } clone ] 2dip collect-value-by! ; inline
319 : collect-assoc-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
320 rot [ '[ @ swap _ push-at-each ] assoc-each ] keep ; inline
322 : collect-assoc-by-multi ( ... assoc quot: ( ... key value -- ... new-keys value' ) -- ... assoc )
323 [ H{ } clone ] 2dip collect-assoc-by-multi! ; inline
326 : collect-key-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
327 '[ _ keepd ] collect-assoc-by-multi! ; inline
329 : collect-key-by-multi ( ... assoc quot: ( ... key -- ... new-keys ) -- ... assoc )
330 [ H{ } clone ] 2dip collect-key-by-multi! ; inline
333 : collect-value-by-multi! ( ... assoc input-assoc quot: ( ... key value -- ... new-keys ) -- ... assoc )
334 '[ _ keep ] collect-assoc-by-multi! ; inline
336 : collect-value-by-multi ( ... assoc quot: ( ... value -- ... new-keys ) -- ... assoc )
337 [ H{ } clone ] 2dip collect-value-by-multi! ; inline
339 : assoc-operator* ( assoc quot -- alist quot' )
340 [ >alist ] dip [ first2 swap ] prepose ; inline
342 : assoc-each* ( ... assoc quot: ( ... value key -- ... ) -- ... )
343 assoc-operator* each ; inline