Camel case and snake case: Difference between revisions
→{{header|jq}}
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" internal space " >camel " internalSpace "
</pre>
=={{header|jq}}==
'''Adapted from [[#Wren|Wren]]'''
{{works with|jq}}
'''Works with gojq, the Go implementation of jq'''
'''Preliminaries'''
<lang jq>def isUpper: explode[0] | 65 <= . and . <= 90;
def lpad($len): tostring | ($len - length) as $l | (" " * $l)[:$l] + .;
# "White space is not permitted as part of camel case or snake case variable names."
def trim: sub("^\\s+";"") | sub("\\s+$";"");</lang>
'''Camel and Snake'''
<lang jq>def toCamel:
trim as $snake
| { camel: "", underscore : false}
| reduce ($snake|explode[]|[.]|implode) as $c (.;
if ["_", "-", " "]|index($c)
then .underscore = true
elif .underscore
then .camel += ($c|ascii_upcase)
| .underscore = false
else .camel += $c
end)
| .camel;
def toSnake:
(trim | gsub("\\s"; "_")) as $camel
| reduce ($camel|explode[1:][]|[.]|implode) as $c (
$camel[0:1];
if $c|isUpper
then ($c|ascii_downcase) as $lc
| if (.[-1:] | (. == "_" or . == "-"))
then . + $lc
else . + "_" + $lc
end
else . + $c
end );
def tests: [
"snakeCase", "snake_case", "variable_10_case", "variable10Case", "ɛrgo rE tHis",
"hurry-up-joe!", "c://my-docs/happy_Flag-Day/12.doc", " spaces "
];
" === to_snake_case ===",
(tests[] | "\(lpad(33)) -> \(toSnake)"),
"",
" === toCamelCase ===",
(tests[] | "\(lpad(33)) -> \(toCamel)")</lang>
{{out}}
<pre>
=== to_snake_case ===
snakeCase -> snake_case
snake_case -> snake_case
variable_10_case -> variable_10_case
variable10Case -> variable10_case
ɛrgo rE tHis -> ɛrgo_r_e_t_his
hurry-up-joe! -> hurry-up-joe!
c://my-docs/happy_Flag-Day/12.doc -> c://my-docs/happy_flag-day/12.doc
spaces -> spaces
=== toCamelCase ===
snakeCase -> snakeCase
snake_case -> snakeCase
variable_10_case -> variable10Case
variable10Case -> variable10Case
ɛrgo rE tHis -> ɛrgoRETHis
hurry-up-joe! -> hurryUpJoe!
c://my-docs/happy_Flag-Day/12.doc -> c://myDocs/happyFlagDay/12.doc
spaces -> spaces
</pre>
=={{header|Julia}}==
Line 482 ⟶ 555:
spaces => spaces
</pre>
=={{header|Perl}}==
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