cmd/completions_powershell.go

91 lines
2.8 KiB
Go

package cmd
import (
"io"
"text/template"
"go.fifitido.net/cmd/opt"
)
func WritePowerShellCompletions(out io.Writer, rootCmd *Command) error {
return powerShellTpl.Execute(out, map[string]any{
"RootCmd": rootCmd,
"GlobalOpts": opt.Globals(),
})
}
var powerShellTpl = template.Must(template.New("PowerShell").Funcs(tplFuncs).Parse(`
{{- $rootCmd := .RootCmd -}}
{{- $progName := $rootCmd.Name -}}
{{- $varName := $rootCmd.Name | camel -}}
{{- define "cmd" -}}
{{- $progName := .ProgName -}}
{{- if .Cmd.IsRoot }}
{{- /**/}} '{{ $progName }}' {
{{- else }}
{{- /**/}} '{{ $progName }};{{ join (split .Cmd.CommandPath " ") ";" }}' {
{{- end -}}
{{- range .Cmd.Opts -}}
{{ if ne .Name "" }}
[CompletionResult]::new('--{{ .Name }}', '{{ .Name }}', [CompletionResultType]::ParameterName, '{{ .Description }}')
{{- end -}}
{{- if ne .ShortName "" }}
[CompletionResult]::new('-{{ .ShortName }}', '{{ .ShortName }}', [CompletionResultType]::ParameterName, '{{ .Description }}')
{{- end -}}
{{- end }}
{{- range .Cmd.Subcommands }}
[CompletionResult]::new('{{ .Name }}', '{{ .Name }}', [CompletionResultType]::ParameterValue, '{{ .ShortDescription }}')
{{- end }}
break;
}
{{- range .Cmd.Subcommands }}
{{ template "cmd" (map "Cmd" . "ProgName" $progName) }}
{{- end -}}
{{- end -}}
using namespace System.Management.Automation
using namespace System.Management.Automation.Language
[scriptblock]$__{{ $varName }}CompleterBlock = {
param(
$wordToComplete,
$commandAst,
$cursorPosition
)
$commandElements
$command = @(
'{{ $progName }}'
for ($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 ';'
$completions = @(
switch ($command) {
{{ template "cmd" (map "Cmd" $rootCmd "ProgName" $progName) }}
}
{{- range .GlobalOpts -}}
{{- if ne .Name "" }}
[CompletionResult]::new('--{{ .Name }}', '{{ .Name }}', [CompletionResultType]::ParameterName, '{{ .Description }}')
{{- end -}}
{{- if ne .ShortName "" }}
[CompletionResult]::new('-{{ .ShortName }}', '{{ .ShortName }}', [CompletionResultType]::ParameterName, '{{ .Description }}')
{{- end -}}
{{- end -}}
)
$completions.Where{ $_.CompletionText -like "$wordToComplete*" } |
Sort-Object -Property ListItemText
}
Register-ArgumentCompleter -CommandName {{ $progName }} -ScriptBlock $__{{ $varName }}CompleterBlock
`))