Write-CSS.ps1
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function Write-CSS { <# .Synopsis Writes CSS styles .Description Writes CSS style tags, CSS attributes, and links to external stylesheets .Example # Create a new CSS Style named reallyimportant Write-CSS -Name '#ReallyImportant' -Style @{ "font-size" = "x-large" "font-weight"="bold" } .Example Write-CSS -OutputAttribute -Style @{ "font-size" = "x-large" "font-weight"="bold" } .Example Write-CSS -ExternalStyleSheet MyStyleSheet.css .Example Write-CSS -Css @{ "a"=@{ "font-size"="x-large" } } .Link New-WebPage .Link Out-HTML .Link Write-Link #> [CmdletBinding(DefaultParameterSetName='StyleDefinition')] [OutputType([string])] param( # The name of the css style [Parameter(Mandatory=$true, Position=0, ValueFromPipelineByPropertyName=$true, ParameterSetName="StyleDefinition")] [string] $Name, # The css values for a named style or a style attribute [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=0, ParameterSetName="StyleAttribute")] [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=1, ParameterSetName="StyleDefinition")] [Hashtable] $Style, # A CSS table, containing nested tables of styles [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, ParameterSetName="Table")] [Hashtable] $Css, # If set, will not output a style tag when outputting a CSS table. [Parameter( ValueFromPipelineByPropertyName=$true, ParameterSetName="Table")] [switch] $NoStyleTag, # A path to an external syle sheet [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, ParameterSetName="StyleSheet")] [uri] $ExternalStyleSheet, # If set, will output the attributes of a style [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, ParameterSetName="StyleAttribute")] [switch] $OutputAttribute ) process { if ($pscmdlet.ParameterSetName -eq 'StyleSheet') { "<link rel='stylesheet' type='text/css' href='$ExternalStyleSheet' />" } elseif ($pscmdlet.ParameterSetName -eq 'Table') { $cssLines = foreach ($kv in $css.GetEnumerator()) { $name = $kv.Key Write-CSS -Name $name -Style $kv.Value } "$(if (-not $NoStyleTag) { '<style type=''text/css''>' }) $cssLines $(if (-not $NoStyleTag) { '</style>'})" } elseif ($pscmdlet.ParameterSetName -eq 'StyleDefinition') { $cssText = foreach ($kv in $Style.GetEnumerator()) { "$($kv.Key):$($kv.Value)" } $cssText = $cssText -join ";$([Environment]::NewLine) " "$name { $cssText }" } elseif ($pscmdlet.ParameterSetName -eq 'StyleAttribute') { # Just in case they called the command with splatting, fall back on the keys # (which will not preserve order) @(foreach ($kv in $style.Keys) { if ($style[$kv]) { "$($kv):$($style[$kv])" } }) -join ';' } } } |