44 lines
2.7 KiB
PowerShell
44 lines
2.7 KiB
PowerShell
|
|
using namespace System.Management.Automation
|
|
using namespace System.Management.Automation.Language
|
|
|
|
Register-ArgumentCompleter -Native -CommandName 'head' -ScriptBlock {
|
|
param($wordToComplete, $commandAst, $cursorPosition)
|
|
|
|
$commandElements = $commandAst.CommandElements
|
|
$command = @(
|
|
'head'
|
|
for ($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) {
|
|
'head' {
|
|
[CompletionResult]::new('-n', 'n', [CompletionResultType]::ParameterName, 'Count n number of lines (or bytes if -c is specified).')
|
|
[CompletionResult]::new('--lines', 'lines', [CompletionResultType]::ParameterName, 'Count n number of lines (or bytes if -c is specified).')
|
|
[CompletionResult]::new('-C', 'C', [CompletionResultType]::ParameterName, 'C')
|
|
[CompletionResult]::new('--color', 'color', [CompletionResultType]::ParameterName, 'color')
|
|
[CompletionResult]::new('-1', '1', [CompletionResultType]::ParameterName, '1')
|
|
[CompletionResult]::new('-c', 'c', [CompletionResultType]::ParameterName, 'Count bytes instead of lines')
|
|
[CompletionResult]::new('--bytes', 'bytes', [CompletionResultType]::ParameterName, 'Count bytes instead of lines')
|
|
[CompletionResult]::new('-q', 'q', [CompletionResultType]::ParameterName, 'Disable printing a header. Overrides -c')
|
|
[CompletionResult]::new('--quiet', 'quiet', [CompletionResultType]::ParameterName, 'Disable printing a header. Overrides -c')
|
|
[CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'Each file is preceded by a header consisting of the string "==> XXX <==" where "XXX" is the name of the file.')
|
|
[CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'Each file is preceded by a header consisting of the string "==> XXX <==" where "XXX" is the name of the file.')
|
|
[CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
|
|
[CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
|
|
break
|
|
}
|
|
})
|
|
|
|
$completions.Where{ $_.CompletionText -like "$wordToComplete*" } |
|
|
Sort-Object -Property ListItemText
|
|
}
|