45 lines
1.9 KiB
PowerShell
45 lines
1.9 KiB
PowerShell
# ELYTerminal: wrap the prompt to report folder and title and to mark prompts and commands.
|
|
$global:ElyPrompt = $function:prompt
|
|
$global:ElyRan = $false
|
|
function global:prompt {
|
|
# First: every statement sets $? again.
|
|
$ok = $?
|
|
$esc, $bel = [char]27, [char]7
|
|
if ($global:ElyRan) {
|
|
$code = 1
|
|
if ($ok) { $code = 0 }
|
|
elseif ($Error.Count -eq 0 -or [object]::ReferenceEquals($Error[0], $global:ElyError)) {
|
|
# No new error: a native program failed. Strict mode refuses an unset variable.
|
|
$code = Get-Variable LASTEXITCODE -Scope Global -ValueOnly -ErrorAction Ignore
|
|
}
|
|
[Console]::Write("$esc]133;D;$code$bel")
|
|
$global:ElyRan = $false
|
|
}
|
|
[Console]::Write("$esc]133;A$bel")
|
|
# The user's prompt sees a failed command's $? still.
|
|
if (-not $ok) { Write-Error '' -ErrorAction Ignore }
|
|
$text = & $global:ElyPrompt
|
|
$folder = $executionContext.SessionState.Path.CurrentLocation
|
|
if ($folder.Provider.Name -eq 'FileSystem') {
|
|
$parts = $folder.ProviderPath.Replace('\', '/') -split '/'
|
|
$path = ($parts | ForEach-Object { [Uri]::EscapeDataString($_) }) -join '/'
|
|
if (-not $path.StartsWith('/')) { $path = "/$path" }
|
|
$leaf = (Split-Path -Leaf $folder.ProviderPath) -replace '\p{Cc}', ''
|
|
[Console]::Write("$esc]7;file://$path$bel$esc]2;$leaf$bel")
|
|
}
|
|
"$text$esc]133;B$bel"
|
|
}
|
|
# A command starts once PSReadLine hands over a line that is not blank.
|
|
if (Test-Path Function:\PSConsoleHostReadLine) {
|
|
$global:ElyReadLine = $function:PSConsoleHostReadLine
|
|
function global:PSConsoleHostReadLine {
|
|
$line = & $global:ElyReadLine
|
|
if (-not [string]::IsNullOrWhiteSpace($line)) {
|
|
$global:ElyRan = $true
|
|
$global:ElyError = if ($Error.Count) { $Error[0] }
|
|
[Console]::Write("$([char]27)]133;C$([char]7)")
|
|
}
|
|
$line
|
|
}
|
|
}
|