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fix(complete): Emit value terminators on zsh
Emit the user-defined value terminator into the zsh completion pattern to avoid doubled rest-arguments definitions: $ my-app <TAB> _arguments:comparguments:325: doubled rest argument definition: *::second -- second set of of multi-length arguments: clap-rs#3266 (comment) noted that including the value terminator is one step towards a robust solution for handling multiple multi-valued arguments. This change does not yet handle automatically detecting when a value terminator is needed, but it does add tests to ensure that user-specified value terminators are used on zsh. Related-to: clap-rs#3022 Signed-off-by: David Aguilar <davvid@gmail.com>
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,38 @@ | ||
_my-app() { | ||
local i cur prev opts cmds | ||
COMPREPLY=() | ||
cur="${COMP_WORDS[COMP_CWORD]}" | ||
prev="${COMP_WORDS[COMP_CWORD-1]}" | ||
cmd="" | ||
opts="" | ||
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||
for i in ${COMP_WORDS[@]} | ||
do | ||
case "${cmd},${i}" in | ||
",$1") | ||
cmd="my__app" | ||
;; | ||
*) | ||
;; | ||
esac | ||
done | ||
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||
case "${cmd}" in | ||
my__app) | ||
opts="-h --help [arguments]..." | ||
if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then | ||
COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) | ||
return 0 | ||
fi | ||
case "${prev}" in | ||
*) | ||
COMPREPLY=() | ||
;; | ||
esac | ||
COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) | ||
return 0 | ||
;; | ||
esac | ||
} | ||
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complete -F _my-app -o bashdefault -o default my-app |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,26 @@ | ||
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use builtin; | ||
use str; | ||
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set edit:completion:arg-completer[my-app] = {|@words| | ||
fn spaces {|n| | ||
builtin:repeat $n ' ' | str:join '' | ||
} | ||
fn cand {|text desc| | ||
edit:complex-candidate $text &display=$text' '(spaces (- 14 (wcswidth $text)))$desc | ||
} | ||
var command = 'my-app' | ||
for word $words[1..-1] { | ||
if (str:has-prefix $word '-') { | ||
break | ||
} | ||
set command = $command';'$word | ||
} | ||
var completions = [ | ||
&'my-app'= { | ||
cand -h 'Print help' | ||
cand --help 'Print help' | ||
} | ||
] | ||
$completions[$command] | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1 @@ | ||
complete -c my-app -s h -l help -d 'Print help' |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,32 @@ | ||
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using namespace System.Management.Automation | ||
using namespace System.Management.Automation.Language | ||
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Register-ArgumentCompleter -Native -CommandName 'my-app' -ScriptBlock { | ||
param($wordToComplete, $commandAst, $cursorPosition) | ||
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$commandElements = $commandAst.CommandElements | ||
$command = @( | ||
'my-app' | ||
for ($i = 1; $i -lt $commandElements.Count; $i++) { | ||
$element = $commandElements[$i] | ||
if ($element -isnot [StringConstantExpressionAst] -or | ||
$element.StringConstantType -ne [StringConstantType]::BareWord -or | ||
$element.Value.StartsWith('-') -or | ||
$element.Value -eq $wordToComplete) { | ||
break | ||
} | ||
$element.Value | ||
}) -join ';' | ||
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$completions = @(switch ($command) { | ||
'my-app' { | ||
[CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help') | ||
[CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help') | ||
break | ||
} | ||
}) | ||
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$completions.Where{ $_.CompletionText -like "$wordToComplete*" } | | ||
Sort-Object -Property ListItemText | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,30 @@ | ||
#compdef my-app | ||
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autoload -U is-at-least | ||
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_my-app() { | ||
typeset -A opt_args | ||
typeset -a _arguments_options | ||
local ret=1 | ||
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if is-at-least 5.2; then | ||
_arguments_options=(-s -S -C) | ||
else | ||
_arguments_options=(-s -C) | ||
fi | ||
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local context curcontext="$curcontext" state line | ||
_arguments "${_arguments_options[@]}" \ | ||
'-h[Print help]' \ | ||
'--help[Print help]' \ | ||
'*;::arguments -- multi-valued argument with a value terminator:' \ | ||
&& ret=0 | ||
} | ||
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(( $+functions[_my-app_commands] )) || | ||
_my-app_commands() { | ||
local commands; commands=() | ||
_describe -t commands 'my-app commands' commands "$@" | ||
} | ||
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_my-app "$@" |
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