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            • 2d(1-5): To JSON, Wains
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                                                Urbit Developers
                                                • Hoon

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                                                  • Basic Types
                                                  • Advanced Types
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                                                  • Arvo
                                                  • Standard Library

                                                    • 1a: Basic Arithmetic
                                                    • 1b: Tree Addressing
                                                    • 1c: Molds and Mold-Builders
                                                    • 2a: Unit Logic
                                                    • 2b: List Logic
                                                    • 2c: Bit Arithmetic
                                                    • 2d: Bit Logic
                                                    • 2e: Insecure Hashing
                                                    • 2f: Noun Ordering
                                                    • 2g: Unsigned Powers
                                                    • 2h: Set Logic
                                                    • 2i: Map Logic
                                                    • 2j: Jar and Jug Logic
                                                    • 2k: Queue Logic
                                                    • 2l: Container from Container
                                                    • 2m: Container from Noun
                                                    • 2n: Functional Hacks
                                                    • 2o: Normalizing Containers
                                                    • 2p: Serialization
                                                    • 2q: Molds and Mold-Builders
                                                    • 3a: Modular and Signed Ints
                                                    • 3b: Floating Point
                                                    • 3c: Urbit Time
                                                    • 3d: SHA Hash Family
                                                    • 3e: AES encryption (Removed)
                                                    • 3f: Scrambling
                                                    • 3g: Molds and Mold-Builders
                                                    • 4a: Exotic Bases
                                                    • 4b: Text Processing
                                                    • 4c: Tank Printer
                                                    • 4d: Parsing (Tracing)
                                                    • 4e: Parsing (Combinators)
                                                    • 4f: Parsing (Rule-Builders)
                                                    • 4g: Parsing (Outside Caller)
                                                    • 4h: Parsing (ASCII Glyphs)
                                                    • 4i: Parsing (Useful Idioms)
                                                    • 4j: Parsing (Bases and Base Digits)
                                                    • 4k: Atom Printing
                                                    • 4l: Atom Parsing
                                                    • 4m: Formatting Functions
                                                    • 4n: Virtualization
                                                    • 4o: Molds
                                                    • 5a: Compiler Utilities
                                                    • 5b: Macro Expansion
                                                    • 5c: Compiler Backend & Prettyprinter
                                                    • 5d: Parser
                                                    • 5e: Molds and mold builders
                                                    • 5f: Profiling support
                                                    • Runes

                                                      • Constants (Atoms and Strings)
                                                      • + lus · Arms
                                                      • | bar · Cores
                                                      • $ buc · Structures
                                                      • % cen · Calls
                                                      • : col · Cells
                                                      • . dot · Nock
                                                      • / fas · Imports
                                                      • ^ ket · Casts
                                                      • ; mic · Make
                                                      • ~ sig · Hints
                                                      • = tis · Subject
                                                      • ? wut · Conditionals
                                                      • ! zap · Wild
                                                      • --, == Terminators
                                                      • Limbs and wings

                                                        • Limbs
                                                        • Wings
                                                        • Zuse

                                                          • 2d(1-5): To JSON, Wains
                                                          • 2d(6): From JSON
                                                          • 2d(7): From JSON (unit)
                                                          • 2e(2-3): Print & Parse JSON
                                                          • 2m: Ordered Maps
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                                                                                              Reference/Hoon/Zuse

                                                                                              2d(1-5): To JSON, Wains

                                                                                              ++to-wain:format

                                                                                              Cord to line list

                                                                                              Convert txt to a wain, breaking on newline characters.

                                                                                              Accepts

                                                                                              txt is a @t.

                                                                                              Produces

                                                                                              A wain, which is a (list @t).

                                                                                              Source

                                                                                              ++ to-wain
                                                                                              |= txt=cord
                                                                                              ^- wain
                                                                                              =/ len=@ (met 3 txt)
                                                                                              =/ cut =+(cut -(a 3, c 1, d txt))
                                                                                              =/ sub sub
                                                                                              =| [i=@ out=wain]
                                                                                              |- ^+ out
                                                                                              =+ |- ^- j=@
                                                                                              ?: ?| =(i len)
                                                                                              =(10 (cut(b i)))
                                                                                              ==
                                                                                              i
                                                                                              $(i +(i))
                                                                                              =. out :_ out
                                                                                              (cut(b i, c (sub j i)))
                                                                                              ?: =(j len)
                                                                                              (flop out)
                                                                                              $(i +(j))

                                                                                              Examples

                                                                                              > (to-wain:format 'foo\0abar\0abaz')
                                                                                              <|foo bar baz|>

                                                                                              ++of-wain:format

                                                                                              Line list to cord

                                                                                              Convert tez to a cord, separating each line with a newline character.

                                                                                              Accepts

                                                                                              tez is a wain, which is a (list @t).

                                                                                              Produces

                                                                                              A @t.

                                                                                              Source

                                                                                              ++ of-wain
                                                                                              |= tez=wain ^- cord
                                                                                              (rap 3 (join '\0a' tez))

                                                                                              Examples

                                                                                              > (of-wain:format ~['foo' 'bar' 'baz'])
                                                                                              'foo\0abar\0abaz'

                                                                                              ++of-wall:format

                                                                                              Line list to tape

                                                                                              Convert a to a tape, separating each line with a newline character.

                                                                                              Accepts

                                                                                              a is a wall, which is a (list tape)

                                                                                              Produces

                                                                                              A tape.

                                                                                              Source

                                                                                              ++ of-wall
                                                                                              |= a=wall ^- tape
                                                                                              ?~(a ~ "{i.a}\0a{$(a t.a)}")

                                                                                              Examples

                                                                                              > (of-wall:format ~["foo" "bar" "baz"])
                                                                                              "foo\0abar\0abaz\0a"

                                                                                              ++json-rn:format

                                                                                              json to rn parser

                                                                                              This function is used internally by +ne and would not typically be used directly. It is a rule that parses a real number string to a rn in a unit.

                                                                                              Accepts

                                                                                              A nail containing a real number.

                                                                                              Produces

                                                                                              An edge containing a (unit rn).

                                                                                              Source

                                                                                              ++ json-rn
                                                                                              %+ knee *rn |.
                                                                                              ;~ plug
                                                                                              (easy %d)
                                                                                              ;~(pose (cold | hep) (easy &))
                                                                                              ;~ plug dim:ag
                                                                                              ;~ pose
                                                                                              ;~ pfix dot
                                                                                              %+ sear
                                                                                              |= a=tape
                                                                                              =/ b (rust a dum:ag)
                                                                                              ?~ b ~
                                                                                              (some [(lent a) u.b])
                                                                                              (plus (shim '0' '9'))
                                                                                              ==
                                                                                              (easy [0 0])
                                                                                              ==
                                                                                              ;~ pose
                                                                                              ;~ pfix
                                                                                              (mask "eE")
                                                                                              ;~ plug
                                                                                              ;~(pose (cold | hep) (cold & lus) (easy &))
                                                                                              ;~ pose
                                                                                              ;~(pfix (plus (just '0')) dim:ag)
                                                                                              dim:ag
                                                                                              ==
                                                                                              ==
                                                                                              ==
                                                                                              (easy [& 0])
                                                                                              ==
                                                                                              ==
                                                                                              ==

                                                                                              Examples

                                                                                              > (rush '2.47' json-rn:format)
                                                                                              [~ [%d a=%.y b=[c=2 [d=2 e=47] f=%.y i=0]]]
                                                                                              > (rush '123' json-rn:format)
                                                                                              [~ [%d a=%.y b=[c=123 [d=0 e=0] f=%.y i=0]]]
                                                                                              > (rush 'a' json-rn:format)
                                                                                              ~

                                                                                              ++enjs:format

                                                                                              Container arm for JSON encoders

                                                                                              The core inside this arm contains a collection of functions for converting various types of data to json. The json type is defined in lull.hoon as:

                                                                                              +$ json :: normal json value
                                                                                              $@ ~ :: null
                                                                                              $% [%a p=(list json)] :: array
                                                                                              [%b p=?] :: boolean
                                                                                              [%o p=(map @t json)] :: object
                                                                                              [%n p=@ta] :: number
                                                                                              [%s p=@t] :: string
                                                                                              == ::

                                                                                              This container arm doesn't do anything itself. The different json encoding functions are documented individually below.


                                                                                              ++frond:enjs:format

                                                                                              Object from key-value pair

                                                                                              Produces a json object containing q with a key of p.

                                                                                              Accepts

                                                                                              p is a @t key.

                                                                                              q is any json.

                                                                                              Produces

                                                                                              A json object.

                                                                                              Source

                                                                                              ++ frond
                                                                                              |= [p=@t q=json]
                                                                                              ^- json
                                                                                              [%o [[p q] ~ ~]]

                                                                                              Examples

                                                                                              > (frond:enjs:format 'foo' s+'bar')
                                                                                              [%o p={[p='foo' q=[%s p='bar']]}]
                                                                                              > (crip (en-json:html (frond:enjs:format 'foo' s+'bar')))
                                                                                              '{"foo":"bar"}'

                                                                                              ++pairs:enjs:format

                                                                                              Object from key-value pair list

                                                                                              Produces a json object containing each key-value pair in list a.

                                                                                              Accepts

                                                                                              a is a (list [@t json]).

                                                                                              Produces

                                                                                              A json object.

                                                                                              Source

                                                                                              ++ pairs
                                                                                              |= a=(list [p=@t q=json])
                                                                                              ^- json
                                                                                              [%o (~(gas by *(map @t json)) a)]

                                                                                              Examples

                                                                                              > =a ~[['foo' n+~.123] ['bar' s+'abc'] ['baz' b+&]]
                                                                                              > (pairs:enjs:format a)
                                                                                              [%o p={[p='bar' q=[%s p='abc']] [p='baz' q=[%b p=%.y]] [p='foo' q=[%n p=~.123]]}]
                                                                                              > (crip (en-json:html (pairs:enjs:format a)))
                                                                                              '{"foo":123,"baz":true,"bar":"abc"}'

                                                                                              ++tape:enjs:format

                                                                                              String from tape

                                                                                              Converts a into a json string.

                                                                                              Accepts

                                                                                              a is a tape.

                                                                                              Produces

                                                                                              A json string.

                                                                                              Source

                                                                                              ++ tape
                                                                                              |= a=^tape
                                                                                              ^- json
                                                                                              [%s (crip a)]

                                                                                              Examples

                                                                                              > (tape:enjs:format "foo")
                                                                                              [%s p='foo']
                                                                                              > (crip (en-json:html (tape:enjs:format "foo")))
                                                                                              '"foo"'

                                                                                              ++wall:enjs:format

                                                                                              String from wall

                                                                                              Converts a to a json string, separating lines with newline characters.

                                                                                              Accepts

                                                                                              a is a wall, which is a (list tape).

                                                                                              Produces

                                                                                              A json string.

                                                                                              Source

                                                                                              ++ wall
                                                                                              |= a=^wall
                                                                                              ^- json
                                                                                              (tape (of-wall a))

                                                                                              Examples

                                                                                              > (wall:enjs:format ~["foo" "bar" "baz"])
                                                                                              [%s p='foo\0abar\0abaz\0a']
                                                                                              > (crip (en-json:html (wall:enjs:format ~["foo" "bar" "baz"])))
                                                                                              '"foo\\nbar\\nbaz\\n"'

                                                                                              ++ship:enjs:format

                                                                                              String* from ship

                                                                                              Convert ship a to a json string*.

                                                                                              Note: Currently this produces a json number rather than string, but with the ship name rendered as text rather than a number. This is for Landscape performance reasons and may be reverted at some point.

                                                                                              Accepts

                                                                                              a is a @p.

                                                                                              Produces

                                                                                              A json string number but with the @p rendered as text rather than a number.

                                                                                              Source

                                                                                              ++ ship
                                                                                              |= a=^ship
                                                                                              ^- json
                                                                                              [%n (rap 3 '"' (rsh [3 1] (scot %p a)) '"' ~)]

                                                                                              Examples

                                                                                              > (ship:enjs:format our)
                                                                                              [%n p=~."zod"]
                                                                                              > (crip (en-json:html (ship:enjs:format our)))
                                                                                              '"zod"'

                                                                                              ++numb:enjs:format

                                                                                              Number from unsigned

                                                                                              Convert a to a json number.

                                                                                              Accepts

                                                                                              a is a @u

                                                                                              Produces

                                                                                              A json number.

                                                                                              Source

                                                                                              ++ numb
                                                                                              |= a=@u
                                                                                              ^- json
                                                                                              :- %n
                                                                                              ?: =(0 a) '0'
                                                                                              %- crip
                                                                                              %- flop
                                                                                              |- ^- ^tape
                                                                                              ?:(=(0 a) ~ [(add '0' (mod a 10)) $(a (div a 10))])

                                                                                              Examples

                                                                                              > (numb:enjs:format 123)
                                                                                              [%n p=~.123]
                                                                                              > (numb:enjs:format 0xffff)
                                                                                              [%n p=~.65535]
                                                                                              > (crip (en-json:html (numb:enjs:format 123)))
                                                                                              '123'

                                                                                              ++sect:enjs:format

                                                                                              Seconds timestamp

                                                                                              Convert time a to a Unix seconds timestamp in a json number.

                                                                                              Accepts

                                                                                              a is a @da.

                                                                                              Produces

                                                                                              A json number.

                                                                                              Source

                                                                                              ++ sect
                                                                                              |= a=^time
                                                                                              (numb (unt:chrono:userlib a))

                                                                                              Examples

                                                                                              > (sect:enjs:format now)
                                                                                              [%n p=~.1630407271]
                                                                                              > (crip (en-json:html (sect:enjs:format now)))
                                                                                              '1630407290'

                                                                                              ++time:enjs:format

                                                                                              Millisecond timestamp

                                                                                              Convert time a to a Unix milliseconds timestamp in a json number.

                                                                                              Accepts

                                                                                              a is a @da.

                                                                                              Produces

                                                                                              A json number.

                                                                                              Source

                                                                                              ++ time
                                                                                              |= a=^time
                                                                                              (numb (unm:chrono:userlib a))

                                                                                              Examples

                                                                                              > (time:enjs:format now)
                                                                                              [%n p=~.1630407451204]
                                                                                              > (crip (en-json:html (time:enjs:format now)))
                                                                                              '1630407462905'

                                                                                              ++path:enjs:format

                                                                                              String from path

                                                                                              Encode path a in a json string.

                                                                                              Accepts

                                                                                              a is a path

                                                                                              Produces

                                                                                              A json string.

                                                                                              Source

                                                                                              ++ path
                                                                                              |= a=^path
                                                                                              ^- json
                                                                                              [%s (spat a)]

                                                                                              Examples

                                                                                              > (path:enjs:format /foo/bar/baz)
                                                                                              [%s p='/foo/bar/baz']
                                                                                              > (crip (en-json:html (path:enjs:format /foo/bar/baz)))
                                                                                              '"/foo/bar/baz"'

                                                                                              ++tank:enjs:format

                                                                                              Tank as string array

                                                                                              Convert tank a into a json array of strings. The tank is passed through +wash with a maximum width of 80 characters specified, so may be split into multiple strings if it's too wide.

                                                                                              Accepts

                                                                                              a is a tank

                                                                                              Produces

                                                                                              A json array of strings.

                                                                                              Source

                                                                                              ++ tank
                                                                                              |= a=^tank
                                                                                              ^- json
                                                                                              [%a (turn (wash [0 80] a) tape)]

                                                                                              Examples

                                                                                              > =tan rose+[[" " "[" "]"] ~[leaf+"foo" leaf+"bar" leaf+"baz"]]
                                                                                              > (tank:enjs:format tan)
                                                                                              [%a p=~[[%s p='[foo bar baz]']]]
                                                                                              > (crip (en-json:html (tank:enjs:format tan)))
                                                                                              '["[foo bar baz]"]'
                                                                                              > =tan rose+[[" " "[" "]"] ~[leaf+"aaaaaaaaaaaaaaaaaaaaa" leaf+"bbbbbbbbbbbbbbbbbbb" leaf+"ccccccccccccccccccc" leaf+"dddddddddddddddddd"]]
                                                                                              > (crip (en-json:html (tank:enjs:format tan)))
                                                                                              '["[ aaaaaaaaaaaaaaaaaaaaa"," bbbbbbbbbbbbbbbbbbb"," ccccccccccccccccccc"," dddddddddddddddddd","]"]'

                                                                                              2d(6): From JSON

                                                                                              ->

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                                                                                              Last modified March 17, 2023