shrub/lib/tree.hoon

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/- tree-include
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!:
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|%
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++ extract
|= a+marl ^- tape
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?~ a ~
%- weld :_ $(a t.a)
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?. ?=(_:/(**) i.a)
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$(a c.i.a)
v.i.a.g.i.a
::
++ getall
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|= tag+(list mane)
|= ele+manx ^- marl
?: (lien tag |=(a+mane =(a n.g.ele)))
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~[ele]
(zing (turn c.ele ..$))
::
++ baff |*({a+(unit) b+(trap)} ?^(a a *b))
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++ find-in-tree
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|* {paz+fist:jo fun+$+(* (unit))}
|= jon+json
=+ a=`(list json)`~[jon]
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|^ (try)
++ try
|. ^+ *fun
?~ a ~
%+ biff (paz i.a)
|* {b+(list json) c+*} ^+ *fun
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(baff (baff (fun c) try(a b)) try(a t.a))
--
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::
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++ map-to-json
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|* {a+$+(* cord) b+$+(* json)}
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|* c+(map) ^- json
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~! c
(jobe (turn (~(tap by c)) |*({k+* v+*} [(a k) (b v)])))
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::
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++ json-front
|= a+json ^- json
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=- (fall `(unit json)`- ~)
%. a
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%+ find-in-tree (ot c/(ar some) gn/so ga/(om so) ~):jo
|= {nom+span atr+(map span cord)} ^- (unit json)
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?. (~(has by atr) 'urb:front') ~
?> ?=($meta nom)
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(biff (~(get by atr) %value) poja)
::
++ read-schem
=< (cook to-noun (cook to-tree apex))
|%
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++ noun $@(term [noun noun]) :: shadow
++ data $@(term {n+@ l+noun r+data})
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++ apex ;~(plug sym (star ;~(plug delim sym)))
++ delim ;~(pose (cold 0 dot) (cook lent (plus cab)))
++ to-noun |=(a+data ?@(a a [l.a $(a r.a)]))
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++ to-tree
|= {acc+data a+(list {p+@u q+term})}
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%+ roll a =< .(acc ^acc)
|= {{n+@u v+term} acc+data}
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?@ acc [n acc v]
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?: (gth n n.acc) [n (to-noun acc) v]
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acc(r $(acc r.acc))
--
--