4b: Text Processing
++at
++ at |_ a=@
XX document
++r:at
++ r ?: ?& (gte (met 3 a) 2) |- ?: =(0 a) & =+ vis=(end 3 1 a) ?& ?|(=('-' vis) ?&((gte vis 'a') (lte vis 'z'))) $(a (rsh 3 1 a)) == == rtam ?: (lte (met 3 a) 2) rud rux
XX document
++rf:at
++ rf `tape`[?-(a $& '&', $| '|', * !!) ~]
XX document
++rn:at
++ rn `tape`[?>(=(0 a) '~') ~]
XX document
++rt:at
++ rt `tape`['\'' (weld (mesc (trip a)) `tape`['\'' ~])]
XX document
++rta:at
++ rta rt
XX document
++rtam:at
++ rtam `tape`['%' (trip a)]
XX document
++rub:at
++ rub `tape`['0' 'b' (rum 2 ~ |=(b/@ (add '0' b)))]
XX document
++rud:at
++ rud (rum 10 ~ |=(b/@ (add '0' b)))
XX document
++rum:at
++ rum |= {b/@ c/tape d/$-(@ @)} ^- tape ?: =(0 a) [(d 0) c] =+ e=0 |- ^- tape ?: =(0 a) c =+ f=&(!=(0 e) =(0 (mod e ?:(=(10 b) 3 4)))) %= $ a (div a b) c [(d (mod a b)) ?:(f [?:(=(10 b) ',' '-') c] c)] e +(e) == ::
XX document
++rup:at
++ rup =+ b=(met 3 a) ^- tape :- '-' |- ^- tape ?: (gth (met 5 a) 1) %+ weld $(a (rsh 5 1 a), b (sub b 4)) `tape`['-' '-' $(a (end 5 1 a), b 4)] ?: =(0 b) ['~' ~] ?: (lte b 1) (trip (tos:po a)) |- ^- tape ?: =(2 b) =+ c=(rsh 3 1 a) =+ d=(end 3 1 a) (weld (trip (tod:po c)) (trip (tos:po (mix c d)))) =+ c=(rsh 3 2 a) =+ d=(end 3 2 a) (weld ^$(a c, b (met 3 c)) `tape`['-' $(a (mix c d), b 2)]) ::
XX document
++ruv:at
++ ruv ^- tape :+ '0' 'v' %^ rum 64 ~ |= b/@ ?: =(63 b) '+' ?: =(62 b) '-' ?:((lth b 26) (add 65 b) ?:((lth b 52) (add 71 b) (sub b 4))) ::
XX document
++rux:at
++ rux `tape`['0' 'x' (rum 16 ~ |=(b/@ (add b ?:((lth b 10) 48 87))))] -- :::::::::::::::::::::::::::::::::::::::::::::::::::::: ::
XX document
++cass
To lowercase
Turn all occurences of uppercase letters in any ++tape into lowercase
letters. Returns a ++tape.
Accepts
vib is a ++tape.
Produces
A ++tape.
Source
++ cass :: lowercase |= vib/tape ^- tape (turn vib |=(a/@ ?.(&((gte a 'A') (lte a 'Z')) a (add 32 a))))
Examples
> (cass "JOHN DOE")
"john doe"
> (cass "abc ABC 123 !@#")
"abc abc 123 !@#"
> (cass "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsQqRrVvWwXxYyZz")
"aabbccddeeffgghhiijjkkllmmnnooppqqrrssqqrrvvwwxxyyzz"
++crip
Tape to cord
Produce a ++cord from a ++tape.
Accepts
a is a ++tape.
Produces
A ++cord.
Source
++ crip |=(a=tape `@t`(rap 3 a)) :: tape to cord
Examples
> (crip "john doe")
'john doe'
> (crip "abc 123 !@#")
'abc 123 !@#'
> `@ud`(crip "abc")
6.513.249
++cuss
To uppercase
Turn all occurences of lowercase letters in any ++tape into uppercase
letters. Returns a ++tape.
Accepts
vib is a ++tape.
Produces
A ++tape.
Source
++ cuss :: uppercase |= vib/tape ^- tape (turn vib |=(a/@ ?.(&((gte a 'a') (lte a 'z')) a (sub a 32))))
Examples
> (cuss "john doe")
"JOHN DOE"
> (cuss "abc ABC 123 !@#")
"ABC ABC 123 !@#"
> (cuss "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsQqRrVvWwXxYyZz")
"AABBCCDDEEFFGGHHIIJJKKLLMMNNOOPPQQRRSSQQRRVVWWXXYYZZ"
++mesc
Escape special chars
Escape special characters, used in ++show.
Accepts
vib is a ++tape.
Produces
A ++tape.
Source
++ mesc :: ctrl code escape |= vib/tape ^- tape ?~ vib ~ ?: =('\\' i.vib) ['\\' '\\' $(vib t.vib)] ?: ?|((gth i.vib 126) (lth i.vib 32) =(`@`39 i.vib)) ['\\' (welp ~(rux at i.vib) '/' $(vib t.vib))] [i.vib $(vib t.vib)]
Examples
> (mesc "ham lus")
"ham lus"
> (mesc "bas\\hur")
"bas\\\\hur"
> (mesc "as'saß")
"as\0x27/sa\0xc3/\0x9f/"
++runt
Prepend n times
Add a repetitions of character b to the head of ++tape c.
Accepts
a and b are atoms.
c is a ++tape.
Produces
A ++tape.
Source
++ runt :: prepend repeatedly |= [[a/@ b/@] c/tape] ^- tape ?: =(0 a) c [b $(a (dec a))] ::
Examples
> (runt [2 '/'] "ham")
"//ham"
> (runt [10 'a'] "")
"aaaaaaaaaa"
++sand
Soft-cast by aura
Soft-cast validity by aura.
Accepts
a is a ++span (@ta).
b is an atom.
Produces
A (unit @).
Source
++ sand :: atom sanity |= a/@ta |= b/@ ^- (unit @) ?.(((sane a) b) ~ [~ b]) ::
Examples
> `(unit @ta)`((sand %ta) 'sym-som')
[~ ~.sym-som]
> `(unit @ta)`((sand %ta) 'err!')
~
++sane
Check aura validity
Check validity by aura. Produces a gate.
Accepts
a is a ++span (@ta).
b is an atom.
Produces
A boolean.
Source
++ sane :: atom sanity |= a/@ta |= b/@ ^- ? ?. =(%t (end 3 1 a)) ~|(%sane-stub !!) =+ [inx=0 len=(met 3 b)] ?: =(%tas a) |- ^- ? ?: =(inx len) & =+ cur=(cut 3 [inx 1] b) ?& ?| &((gte cur 'a') (lte cur 'z')) &(=('-' cur) !=(0 inx) !=(len inx)) &(&((gte cur '0') (lte cur '9')) !=(0 inx)) == $(inx +(inx)) == ?: =(%ta a) |- ^- ? ?: =(inx len) & =+ cur=(cut 3 [inx 1] b) ?& ?| &((gte cur 'a') (lte cur 'z')) &((gte cur '0') (lte cur '9')) |(=('-' cur) =('~' cur) =('_' cur) =('.' cur)) == $(inx +(inx)) == |- ^- ? ?: =(0 b) & =+ cur=(end 3 1 b) ?: &((lth cur 32) !=(10 cur)) | =+ len=(teff cur) ?& |(=(1 len) =+(i=1 |-(|(=(i len) &((gte (cut 3 [i 1] b) 128) $(i +(i))))))) $(b (rsh 3 len b)) == ::
Examples
> ((sane %tas) %mol)
%.y
> ((sane %tas) 'lam')
%.y
> ((sane %tas) 'more ace')
%.n
++teff
UTF8 Length
Produces the number of utf8 bytes.
Accepts
a is a @t.
Produces
An atom.
Source
|= a/@t ^- @ =+ b=(end 3 1 a) ~| %bad-utf8 ?: =(0 b) ?>(=(`@`0 a) 0) ?> |((gte b 32) =(10 b)) ?:((lte b 127) 1 ?:((lte b 223) 2 ?:((lte b 239) 3 4)))
Examples
> (teff 'a')
1
> (teff 'ß')
2
++trim
Tape split
Split first a characters off ++tape b.
Accepts
a is an atom.
b is a ++tape.
Produces
A cell of ++tapes, p and q.
Source
++ trim :: 31-bit nonzero |= key/@ =+ syd=0xcafe.babe |- ^- @ =+ haz=(spec syd key) =+ ham=(mix (rsh 0 31 haz) (end 0 31 haz)) ?.(=(0 ham) ham $(syd +(syd))) -- ::
Examples
> (trim 5 "lasok termun")
[p="lasok" q=" termun"]
> (trim 5 "zam")
[p="zam" q=""]
++trip
Cord to tape
Produce a ++tape from ++cord.
Accepts
a is an atom.
Produces
A ++tape.
Source
++ trip :: cord to tape ~/ %trip |= a/@ ^- tape ?: =(0 (met 3 a)) ~ [^-(@ta (end 3 1 a)) $(a (rsh 3 1 a))] ::
Examples
> (trip 'john doe')
"john doe"
> (trip 'abc 123 !@#')
"abc 123 !@#"
> (trip 'abc')
"abc"
++tuba
UTF8 to UTF32 tape
Convert ++tape to a ++list of codepoints (@c).
Accepts
a is a ++tape.
Produces
A ++list of codepoints @c.
Source
++ tuba :: utf8 to utf32 tape |= a/tape ^- (list @c) (rip 5 (turf (rap 3 a))) :: XX horrible ::
Examples
> (tuba "я тут")
~[~-~44f. ~-. ~-~442. ~-~443. ~-~442.]
> (tuba "chars")
~[~-c ~-h ~-a ~-r ~-s]
++tufa
UTF32 to UTF8 tape
Wrap a ++list of utf32 codepoints into a utf8 ++tape.
Accepts
a is a ++list of @c.
Produces
A ++tape.
Source
++ tufa :: utf32 to utf8 tape |= a=(list @c) ^- tape ?~ a "" (weld (rip 3 (tuft i.a)) $(a t.a)) ::
Examples
> (tufa ~[~-~44f. ~-. ~-~442. ~-~443. ~-~442.]) "я тут" > (tufa ((list @c) ~[%a %b 0xb1 %c])) "ab±c"
++tuft
UTF32 to UTF8 text
Convert utf32 glyph to
LSB utf8 ++cord.
Accepts
a is a codepoint (@c).
Produces
A ++cord.
Source
++ tuft :: utf32 to utf8 text |= a/@c ^- @t %+ rap 3 |- ^- (list @) ?: =(`@`0 a) ~ =+ b=(end 5 1 a) =+ c=$(a (rsh 5 1 a)) ?: (lte b 0x7f) [b c] ?: (lte b 0x7ff) :* (mix 0b1100.0000 (cut 0 [6 5] b)) (mix 0b1000.0000 (end 0 6 b)) c == ?: (lte b 0xffff) :* (mix 0b1110.0000 (cut 0 [12 4] b)) (mix 0b1000.0000 (cut 0 [6 6] b)) (mix 0b1000.0000 (end 0 6 b)) c == :* (mix 0b1111.0000 (cut 0 [18 3] b)) (mix 0b1000.0000 (cut 0 [12 6] b)) (mix 0b1000.0000 (cut 0 [6 6] b)) (mix 0b1000.0000 (end 0 6 b)) c ==
Examples
> (tuft `@c`%a)
'a'
> (tuft `@c`0xb6)
'¶'
++turf
UTF8 to UTF32 cord
Convert utf8 (++cord) to utf32 codepoints.
Accepts
a is a @t.
Produces
A @c, UTF-32 codepoint.
Source
++ turf :: utf8 to utf32 |= a/@t ^- @c %+ rap 5 |- ^- (list @c) =+ b=(teff a) ?: =(0 b) ~ =+ ^= c %+ can 0 %+ turn ^- (list {p/@ q/@}) ?+ b !! $1 [[0 7] ~] $2 [[8 6] [0 5] ~] $3 [[16 6] [8 6] [0 4] ~] $4 [[24 6] [16 6] [8 6] [0 3] ~] == |=({p/@ q/@} [q (cut 0 [p q] a)]) ?. =((tuft c) (end 3 b a)) ~|(%bad-utf8 !!) [c $(a (rsh 3 b a))] ::
Examples
> (turf 'my ßam')
~-my.~df.am
> 'я тут'
'я тут'
> (turf 'я тут')
~-~44f..~442.~443.~442.
> `@ux`'я тут'
0x82.d183.d182.d120.8fd1
> `@ux`(turf 'я тут')
0x442.0000.0443.0000.0442.0000.0020.0000.044f
++wack
Coin format encode
Escape ++span ~ as ~~ and _ as ~-. Used for printing.
Accepts
a is a ++span (@ta).
Produces
A ++span (@ta).
Source
++ wack :: coin format |= a/@ta ^- @ta =+ b=(rip 3 a) %+ rap 3 |- ^- tape ?~ b ~ ?: =('~' i.b) ['~' '~' $(b t.b)] ?: =('_' i.b) ['~' '-' $(b t.b)] [i.b $(b t.b)] ::
Examples
> (wack '~20_sam~')
~.~~20~-sam~~
> `@t`(wack '~20_sam~')
'~~20~-sam~~'
> ~(rend co %many ~[`ud/5 `ta/'~20_sam'])
"._5_~~.~~20~-sam__"
> ._5_~~.~~20~-sam__
[5 ~.~20_sam]
++wick
Coin format decode
Unescape ++span ~~ as ~ and ~- as _.
Accepts
a is a an atom.
Produces
A ++span @ta.
Source
++ wick :: knot format |= a/@ ^- (unit @ta) =+ b=(rip 3 a) =- ?^(b ~ (some (rap 3 (flop c)))) =| c/tape |- ^- {b/tape c/tape} ?~ b [~ c] ?. =('~' i.b) $(b t.b, c [i.b c]) ?~ t.b [b ~] ?- i.t.b $'~' $(b t.t.b, c ['~' c]) $'-' $(b t.t.b, c ['_' c]) @ [b ~] == ::
Examples
> `@t`(wick '~-ams~~lop')
'_ams~lop'
> `@t`(wick (wack '~20_sam~'))
'~20_sam~'
++woad
Unescape cord
Unescape ++cord codepoints.
Accepts
a is a @ta.
Produces
A ++cord.
Source
++ woad :: cord format |= a/@ta ^- @t %+ rap 3 |- ^- (list @) ?: =(`@`0 a) ~ =+ b=(end 3 1 a) =+ c=(rsh 3 1 a) ?: =('.' b) [' ' $(a c)] ?. =('~' b) [b $(a c)] => .(b (end 3 1 c), c (rsh 3 1 c)) ?+ b =- (weld (rip 3 (tuft p.d)) $(a q.d)) ^= d =+ d=0 |- ^- {p/@ q/@} ?: =('.' b) [d c] ?< =(0 c) %= $ b (end 3 1 c) c (rsh 3 1 c) d %+ add (mul 16 d) %+ sub b ?: &((gte b '0') (lte b '9')) 48 ?>(&((gte b 'a') (lte b 'z')) 87) == $'.' ['.' $(a c)] $'~' ['~' $(a c)] == ::
Examples
> (woad ~.~b6.20.as)
'¶20 as'
++wood
Escape cord
Escape ++cord codepoints.
Accepts
a is a ++span (@ta).
Produces
A ++span (@ta).
Source
++ wood :: cord format |= a/@t ^- @ta %+ rap 3 |- ^- (list @) ?: =(`@`0 a) ~ =+ b=(teff a) =+ c=(turf (end 3 b a)) =+ d=$(a (rsh 3 b a)) ?: ?| &((gte c 'a') (lte c 'z')) &((gte c '0') (lte c '9')) =(`@`'-' c) == [c d] ?+ c :- '~' =+ e=(met 2 c) |- ^- tape ?: =(0 e) ['.' d] =. e (dec e) =+ f=(rsh 2 e c) [(add ?:((lte f 9) 48 87) f) $(c (end 2 e c))] ::
Examples
> (wood 'my ßam')
~.my.~df.am