72 lines
2.3 KiB
PowerShell
72 lines
2.3 KiB
PowerShell
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function Format-TextWrapToDisplay {
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<#
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.SYNOPSIS
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Formats an input array of strings to no wider than the display of the screen
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Keeps whole words together where possible
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.PARAMETER InputText
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Input text
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.PARAMETER MaxWidth
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Specify a specific fixed with. Defaults to the current console width.
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.EXAMPLE
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Format-TextWrapToDisplay -InputText <lorem ipsum text>
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#>
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[CmdletBinding()]
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[OutputType([string[]])]
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Param(
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[Parameter(Mandatory = $false)]
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[Alias('Width')]
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[int]$MaxWidth,
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[parameter(Mandatory = $false, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
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[Alias('Text')]
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[string[]]$InputText
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)
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$lines = @()
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if ($MaxWidth -eq 0) {
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$MaxWidth = (Get-ConsoleDisplayWidth)
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}
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$currentLineWords = @()
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$currentLineCharCount = 0
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$wordArray = $InputText.Split((' ',"`r","`n"),[System.StringSplitOptions]::RemoveEmptyEntries)
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# Write-Output $linesArray
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#foreach($line in $linesArray) {
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# $lineSplits = $line.Split((' ',"`r","`n"),[System.StringSplitOptions]::RemoveEmptyEntries)
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foreach($word in $wordArray) {
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$currentWordLength = $word.Length
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# We have a word that is longer than the current display width, so we need to account for that
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if (($currentLineCharCount -eq 0) -and (($MaxWidth - $currentWordLength) -lt 2)) {
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# add the word to the lines and continue
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$lines += $word
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Write-Host "triggered on too long of a word"
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continue
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}
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# The current line buffer is larger than the offset allowance if we add another word
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# Stop and stuff it on the output buffer, then continue
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if (($MaxWidth - ($currentLineCharCount + $currentWordLength)) -lt 2) {
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$lines += ($currentLineWords -join ' ').Trim()
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$currentLineCharCount = 0
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$currentLineWords = @()
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}
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$currentLineWords += $word
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# add one to account for spaces
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$currentLineCharCount += ($currentWordLength + 1)
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}
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$lines += ($currentLineWords -join ' ').Trim()
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$currentLineWords = @()
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$currentLineCharCount = 0
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#}
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return $lines
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}
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