Winpack

0.2.7

tools.ps1

# using module psCandy
# Import-Module psCandy
# function Get-FieldLength {
# param(
# [string]$buffer
# )
# $i = 0
# $buffer.ToCharArray() | ForEach-Object {
# $l = [Text.Encoding]::UTF8.GetByteCount($_)
# if ($l -ge 2) {
# $l = $l - 1
# }
# $i += $l
# }
# return $i
# }

function padRightUTF8
{
  param(
    [string]$text,
    [int]$length
  )
  $bytecount = 0
  $text.ToCharArray() | ForEach-Object {
    $b = [Text.Encoding]::UTF8.Getbytecount($_)
    if ($b -ge 2) {
      $b = $b - 1
    }
    $bytecount += ($b) 
  }

  $totalbytes = [Text.Encoding]::UTF8.GetByteCount("".PadLeft($length," "))
  $diff = $totalbytes - $bytecount
  if ($diff -lt 0) {
    $text.Substring(0, $length)  
  } else {
    [string]::Concat($text, "".PadLeft($diff," "))
  }
  
}

function padLeftUTF8
{
  param(
    [string]$text,
    [int]$length
  )
  $bytecount = 0
  $text.ToCharArray() | ForEach-Object {
    $b = [Text.Encoding]::UTF8.Getbytecount($_)
    if ($b -ge 2) {
      $b = $b - 1
    }
    $bytecount += ($b) 
  }

  $totalbytes = [Text.Encoding]::UTF8.GetByteCount("".PadLeft($length," "))
  $diff = $totalbytes - $bytecount
  [string]::Concat("".PadLeft($diff," "),$text)
}

function Get-ProportionalLength {
  param(
    [int]$MaxLength
  )
  $w = ($Host.UI.RawUI.BufferSize.Width -6)
  return [math]::Floor($w / 100 * $MaxLength)
}

# function TruncateString {
# param (
# [string]$InputString,
# [int]$MaxLength,
# [Align]$Align = [Align]::Left
# )
# $l = Get-FieldLength -buffer $InputString
# $w = $Host.UI.RawUI.BufferSize.Width - 6
# $Maxp = [math]::Floor($w / 100 * $MaxLength)
# if ($l -le $Maxp) {
# $pos = 0
# $offset = 0
# $TruncatedString = $InputString
# while ($pos -lt $InputString.Length) {
# $c = $InputString[$pos]
# $nbchars = [Text.Encoding]::UTF8.GetByteCount($c)
# if ($nbchars -gt 1) {
# $offset += ($nbchars - 2)
# }
# $pos++
# }
# while ($pos -lt $Maxp - $offset) {
# switch ($Align) {
# # TODO: #4 Add Center alignment
# Left { $TruncatedString += " " }
# Right { $TruncatedString = " " + $TruncatedString }
# Default {}
# }
# $pos++
# }
# return $TruncatedString
# }

# $TruncatedString = $InputString.Substring(0, $MaxP - 1) + "…"
# return $TruncatedString
# }