mirror of https://github.com/mpv-player/mpv
powershell-completion: add PowerShell command line completion
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stax76
parent
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commit
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# PowerShell command line completion for the mpv media player.
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# It can be installed by dot sourcing it in the PowerShell profile.
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#
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# This file is part of mpv.
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#
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# mpv is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# mpv is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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#
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$Options = New-Object Collections.Generic.List[Object]
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$UpdateOptions = @('vo', 'ao', 'profile', 'hwdec', 'audio-device', 'scale', 'tscale',
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'error-diffusion', 'vulkan-device')
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Function SetOptions
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{
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try
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{
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$optionContent = mpv --no-config --list-options
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}
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catch
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{
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throw
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}
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foreach ($line in $optionContent)
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{
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$line = $line.Trim()
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if (-not $line.StartsWith('--'))
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{
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continue
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}
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$table = @{ value = ''; type = ''; choices = $null }
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if ($line.Contains(' '))
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{
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$table['name'] = $line.Substring(2, $line.IndexOf(' ') - 2)
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$value = $line.Substring($line.IndexOf(' ') + 1).Trim()
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if ($value.Contains('('))
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{
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$value = $value.Substring(0, $value.IndexOf('(')).TrimEnd()
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}
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$table['value'] = $value
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}
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else
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{
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$table['name'] = $line.Substring(2)
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}
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if ($table['value'].StartsWith('Choices:'))
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{
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$table['type'] = 'choice'
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$table['choices'] = $table['value'].Substring(8).TrimStart() -split ' '
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}
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if ($table['value'].StartsWith('Flag'))
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{
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$table['type'] = 'flag'
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}
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if ($table['value'].Contains('[file]') -or $table['name'].Contains('-file'))
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{
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$table['type'] = 'file'
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}
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if ($table['type'] -eq 'flag')
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{
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$noTable = @{ name = 'no-' + $table['name'];
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value = $table['value'];
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type = '';
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choices = $null
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}
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$Options.Add($table)
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$Options.Add($noTable)
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}
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else
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{
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$Options.Add($table)
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}
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}
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}
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Function Update-Option($name)
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{
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foreach ($it in $Options)
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{
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if ($name -eq $it.name)
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{
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$option = $it
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break
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}
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}
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if ($null -eq $option)
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{
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Write-Error "Option $name is unknown."
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return
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}
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if ($null -ne $option.choices)
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{
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return
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}
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$dynamicOptions = @(
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@{ name = 'vulkan-device'; pattern = "^\s*('.+?')" },
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@{ name = 'audio-device'; pattern = "^\s*('\S+')" },
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@{ name = 'hwdec'; pattern = '^\s*([-\w]+)' },
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@{ name = 'error-diffusion'; pattern = '^\s*([-\w]+)' },
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@{ name = 'tscale'; pattern = '^\s*([-\w]+)' },
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@{ name = 'scale'; pattern = '^\s*([-\w]+)' },
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@{ name = 'profile'; pattern = '^\s*([-\w]+)' },
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@{ name = 'ao'; pattern = '^\s*([-\w]+)' },
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@{ name = 'vo'; pattern = '^\s*([-\w]+)' }
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)
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foreach ($opt in $dynamicOptions)
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{
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if ($name -eq $opt.name)
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{
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$output = mpv ('--' + $opt.name + '=help') | Select-Object -Skip 1 |
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Select-String ($opt.pattern) -AllMatches |
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ForEach-Object { $_.matches.Groups[1].Value } |
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Select-Object -Unique | Sort-Object
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$output = $output | foreach { if ($_ -match "'\w+'") { $_ -replace "'", '' } else { $_ } }
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if ($output -is [string])
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{
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$output = @($output)
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}
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$output += @('help')
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$option.choices = $output
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$option.type = 'choice'
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break
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}
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}
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}
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Function Get-Completion($cursorPosition, $wordToComplete, $commandName)
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{
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if ($Options.Count -eq 0)
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{
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SetOptions
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}
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if ($commandName.StartsWith('--'))
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{
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if ($commandName -like '--*-file*=')
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{
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return (Get-ChildItem -file).FullName | Resolve-Path -Relative |
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ForEach-Object { if ($_.Contains(' ')) { $commandName + "'$_'" } else { $commandName + $_ } }
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}
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if ($commandName -match '(--.+-file.*=)(.+)')
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{
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return (Get-ChildItem -file).FullName | Resolve-Path -Relative |
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Where-Object { $_.ToLower().Contains($Matches[2].ToLower()) } |
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ForEach-Object { if ($_.Contains(' ')) { $Matches[1] + "'$_'" } else { $Matches[1] + $_ } }
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}
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$shortCommandName = $commandName.Substring(2)
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$argName = ''
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if ($commandName.EndsWith('='))
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{
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$shortCommandName = $shortCommandName.Substring(0, $shortCommandName.Length -1)
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}
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elseif ($commandName.Contains('='))
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{
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$shortCommandName = $shortCommandName.Substring(0, $shortCommandName.IndexOf('='))
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$argName = $commandName.Substring($commandName.IndexOf('=') + 1)
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}
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foreach ($it in $UpdateOptions)
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{
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if ($shortCommandName -eq $it)
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{
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Update-Option $it
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break
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}
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}
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$results = New-Object Collections.Generic.List[Object]
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$exactMatches = $Options | Where-Object { $_.name -eq $shortCommandName }
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foreach ($it in $exactMatches)
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{
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if (-not $commandName.Contains('='))
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{
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continue
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}
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$arguments = $null
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if ($it.type -eq 'flag')
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{
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$arguments = 'yes', 'no'
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}
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if ($it.type -eq 'choice' -and $null -ne $it.choices)
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{
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$arguments = $it.choices
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}
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if ($null -ne $arguments)
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{
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foreach ($arg in $arguments)
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{
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if ($argName -ne '')
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{
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if ($arg.StartsWith($argName))
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{
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$results.Add('--' + $it.name + '=' + $arg)
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}
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}
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else
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{
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$results.Add('--' + $it.name + '=' + $arg)
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}
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}
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}
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}
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if (-not $commandName.Contains('='))
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{
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$partlyMatches = $Options | Where-Object { $_.name.StartsWith($shortCommandName) }
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foreach ($it in $partlyMatches)
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{
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if ($it.name -eq $shortCommandName)
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{
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continue
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}
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$results.Add('--' + $it.name)
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}
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}
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return $results
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}
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elseif ($commandName -eq '')
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{
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return (Get-ChildItem).FullName | Resolve-Path -Relative
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}
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else
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{
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return (Get-ChildItem).FullName | Resolve-Path -Relative |
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Where-Object { $_.ToLower().Contains($commandName.ToLower()) }
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}
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}
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Register-ArgumentCompleter -Native -CommandName mpv -ScriptBlock {
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param($commandName, $wordToComplete, $cursorPosition)
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Get-Completion $cursorPosition "$wordToComplete" "$commandName" | ForEach-Object {
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[System.Management.Automation.CompletionResult]::new($_, $_, 'ParameterValue', $_)
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}
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}
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Register-ArgumentCompleter -Native -CommandName mpvnet -ScriptBlock {
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param($commandName, $wordToComplete, $cursorPosition)
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Get-Completion $cursorPosition "$wordToComplete" "$commandName" | ForEach-Object {
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[System.Management.Automation.CompletionResult]::new($_, $_, 'ParameterValue', $_)
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}
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}
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