src/Get-Viewer.ps1
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#!/usr/bin/env pwsh $ErrorActionPreference = "Stop" Set-StrictMode -Version Latest function Get-Viewer { [CmdletBinding(DefaultParameterSetName="AllApps")] param( [Parameter(Mandatory=$false, Position = 0, ParameterSetName="AllApps")] [switch] $AllAvailable, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Batcat", HelpMessage="Any app returned MUST be Batcat.")] [switch] ${App_Is_Batcat}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Cat", HelpMessage="Any app returned MUST be Cat.")] [switch] ${App_Is_Cat}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Edit", HelpMessage="Any app returned MUST be Edit.")] [switch] ${App_Is_Edit}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Emacs", HelpMessage="Any app returned MUST be Emacs.")] [switch] ${App_Is_Emacs}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Gedit", HelpMessage="Any app returned MUST be Gedit.")] [switch] ${App_Is_Gedit}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Hexdump", HelpMessage="Any app returned MUST be Hexdump.")] [switch] ${App_Is_Hexdump}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Less", HelpMessage="Any app returned MUST be Less.")] [switch] ${App_Is_Less}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_More", HelpMessage="Any app returned MUST be More.")] [switch] ${App_Is_More}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Nano", HelpMessage="Any app returned MUST be Nano.")] [switch] ${App_Is_Nano}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Neovim", HelpMessage="Any app returned MUST be Neovim.")] [switch] ${App_Is_Neovim}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Notepad", HelpMessage="Any app returned MUST be Notepad.")] [switch] ${App_Is_Notepad}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Notepad2", HelpMessage="Any app returned MUST be Notepad2.")] [switch] ${App_Is_Notepad2}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Pygmentize", HelpMessage="Any app returned MUST be Pygmentize.")] [switch] ${App_Is_Pygmentize}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_Vim", HelpMessage="Any app returned MUST be Vim.")] [switch] ${App_Is_Vim}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_VisualStudio", HelpMessage="Any app returned MUST be Visual Studio.")] [switch] ${App_Is_VisualStudio}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_VSCode", HelpMessage="Any app returned MUST be VS Code.")] [switch] ${App_Is_VSCode}, [Parameter(Mandatory=$false, ParameterSetName="OnlyApp_VSCodeInsiders", HelpMessage="Any app returned MUST be VS Code Insiders.")] [switch] ${App_Is_VSCodeInsiders}, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST allow editing of the opened file.")] [switch] $EditingAllowed, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST NOT allow editing of the opened file. ")] [switch] $ReadOnly, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST operate from inside the current terminal.")] [switch] $StayInTerminal, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST block execution until it terminates.")] [switch] $TerminalWaitsUntilExit, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST NOT block execution while it is running.")] [switch] $GuiNoWait, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST correctly render ANSI output when ANSI is present in the input.")] [switch] $AnsiPassThru, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST show line numbers.")] [switch] $ShowLineNumbers, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST NOT show line numbers.")] [switch] $NoLineNumbers, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST open text files.")] [switch] $TextContentPlain, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST highlight non-printable characters in text files.")] [switch] $TextContentSpecialCharHighlight, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST perform automatic syntax highlighting in text files.")] [switch] $TextContentSyntaxHighlight, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST open binary blobs intelligbly.")] [switch] $BinaryContentBlob, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST be the application hosting the current terminal.")] [switch] $OnlyIfHosting, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST exit immediately after opening the file when the file can fit on one screen.")] [switch] $ShortPageEarlyExit, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST present an interface for paging through the file.")] [switch] $AlwaysPages, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST always dump output directly to the terminal instead of presenting an interface for paging through the file.")] [switch] $NeverPages, [Parameter(Mandatory=$false, HelpMessage="Any app returned MAY use an external pager (e.g. `$Env:PAGER) when/if it pages output.")] [switch] $MayUseExternalPager, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST NOT use an external pager (e.g. `$Env:PAGER) if/when it pages output.")] [switch] $NeverUseExternalPager, [Parameter(Mandatory=$false, HelpMessage="Any app returned MUST be able to receive its input via the pipeline.")] [switch] $AcceptsInputPiped ) Process { [hashtable] $argsToPass = @{ "EditingAllowed" = $EditingAllowed "ReadOnly" = $ReadOnly "StayInTerminal" = $StayInTerminal "TerminalWaitsUntilExit" = $TerminalWaitsUntilExit "GuiNoWait" = $GuiNoWait "AnsiPassThru" = $AnsiPassThru "ShowLineNumbers" = $ShowLineNumbers "NoLineNumbers" = $NoLineNumbers "TextContentPlain" = $TextContentPlain "TextContentSpecialCharHighlight" = $TextContentSpecialCharHighlight "TextContentSyntaxHighlight" = $TextContentSyntaxHighlight "BinaryContentBlob" = $BinaryContentBlob "OnlyIfHosting" = $OnlyIfHosting "ShortPageEarlyExit" = $ShortPageEarlyExit "AlwaysPages" = $AlwaysPages "NeverPages" = $NeverPages "MayUseExternalPager" = $MayUseExternalPager "NeverUseExternalPager" = $NeverUseExternalPager "AcceptsInputPiped" = $AcceptsInputPiped } if ($TerminalWaitsUntilExit -and $GuiNoWait) { throw "Cannot specify both -TerminalWaitsUntilExit and -GuiNoWait, they are mutually exclusive." } if ($ShortPageEarlyExit -and $AlwaysPages) { throw "Cannot specify both -ShortPageEarlyExit and -AlwaysPages, they are mutually exclusive." } if ($AlwaysPages -and $NeverPages) { throw "Cannot specify both -AlwaysPages and -NeverPages, they are mutually exclusive." } if ($MayUseExternalPager -and $NeverUseExternalPager) { throw "Cannot specify both -MayUseExternalPager and -NeverUseExternalPager, they are mutually exclusive." } if ($ShowLineNumbers -and $NoLineNumbers) { throw "Cannot specify both -ShowLineNumbers and -NoLineNumbers, they are mutually exclusive." } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Batcat})) { Get-Viewer-Batcat @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Cat})) { Get-Viewer-Cat @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Edit})) { Get-Viewer-Edit @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Emacs})) { Get-Viewer-Emacs @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Gedit})) { Get-Viewer-Gedit @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Hexdump})) { Get-Viewer-Hexdump @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Less})) { Get-Viewer-Less @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_More})) { Get-Viewer-More @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Nano})) { Get-Viewer-Nano @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Neovim})) { Get-Viewer-Neovim @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Notepad})) { Get-Viewer-Notepad @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Notepad2})) { Get-Viewer-Notepad2 @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Pygmentize})) { Get-Viewer-Pygmentize @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_Vim})) { Get-Viewer-Vim @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_VisualStudio})) { Get-Viewer-VisualStudio @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_VSCode})) { Get-Viewer-VSCode @argsToPass } if (($PSCmdlet.ParameterSetName -eq "AllApps") -or (${App_Is_VSCodeInsiders})) { Get-Viewer-VSCodeInsiders @argsToPass } } } |