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mod.nu
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mod.nu
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export def get-sign [cmd] {
let x = (scope commands | where name == $cmd).signatures?.0?.any?
mut s = []
mut n = {}
mut p = []
mut pr = []
mut r = []
for it in $x {
if $it.parameter_type == 'switch' {
if ($it.short_flag | is-not-empty) {
$s ++= $it.short_flag
}
if ($it.parameter_name | is-not-empty) {
$s ++= $it.parameter_name
}
} else if $it.parameter_type == 'named' {
if ($it.parameter_name | is-empty) {
$n = ($n | upsert $it.short_flag $it.short_flag)
} else if ($it.short_flag | is-empty) {
$n = ($n | upsert $it.parameter_name $it.parameter_name)
} else {
$n = ($n | upsert $it.short_flag $it.parameter_name)
}
} else if $it.parameter_type == 'positional' {
if $it.is_optional == false {
$p ++= $it.parameter_name
} else {
$pr ++= $it.parameter_name
}
} else if $it.parameter_type == 'rest' {
$r ++= $it.parameter_name
}
}
{ switch: $s, name: $n, positional: ($p ++ $pr), rest: $r }
}
# "test -h [123 (3213 3)] 123 `a sdf` --cd --ef sadf -g" | token
export def token [] {
let s = ($in | split row '' | range 1..-2)
let s = if ($s | last) == ' ' { $s } else { $s | append ' ' }
mut par = []
mut res = []
mut cur = ''
mut esc = false
for c in $s {
if $c == '\' {
$esc = true
} else {
if $esc {
$cur ++= $c
$esc = false
} else {
if $c == ' ' and ($par | length) == 0 {
$res ++= [$cur]
$cur = ''
} else {
if $c in ['{' '[' '('] {
$par ++= $c
}
if $c in ['}' ']' ')'] {
$par = ($par | range ..-2)
}
if $c in ['"' "'" '`'] {
if ($par | length) > 0 and ($par | last) == $c {
$par = ($par | range ..-2)
} else {
$par ++= $c
}
}
$cur ++= $c
}
}
}
}
return $res
}
export def parse [] {
let token = ($in | token)
let sign = (get-sign $token.0)
mut sw = ''
mut pos = []
mut opt = {}
for c in $token {
if ($sw | is-empty) {
if ($c | str starts-with '-') {
let c = if ($c | str substring 1..2) != '-' {
let k = ($c | str substring 1..)
if $k in $sign.name {
$'($sign.name | get $k)'
} else {
$k
}
} else {
$c | str substring 2..
}
if $c in $sign.switch {
$opt = ($opt | upsert $c true)
} else {
$sw = $c
}
} else {
$pos ++= [$c]
}
} else {
$opt = ($opt | upsert $sw $c)
$sw = ''
}
}
$opt._args = $pos
let p = $pos | range 1..($sign.positional | length)
let rest = $pos | range (($sign.positional | length) + 1)..-1
$opt._pos = ( $p | enumerate
| reduce -f {} {|it, acc|
$acc | upsert ($sign.positional | get $it.index) $it.item
} )
if ($sign.rest | length) > 0 {
$opt._pos = ($opt._pos | upsert $sign.rest.0 $rest)
}
$opt
}
# def test [a b x? ...y --cd(-c) --ef(-e):string -g -h:int --ij --lm:bool] {}
# (scope commands | where name == test).signatures?.0?.any?
# get-sign test | to yaml
# "test -h 111 123 'asdf' --cd --ef sadf -g -h 222" | cmd parse | to yaml