nightroman/Markdown.tasks.ps1

## Markdown.tasks.ps1
# Invoke-Build tasks for markdown files (using MarkdownDeep)
# <https://gist.github.com/1303971>

<#
Synopsis: Convert markdown files to HTML files (using MarkdownDeep).

Requires:
* MarkdownDeep.dll and its environment variable $env:MarkdownDeep
	* NuGet install MarkdownDeep.NET
	* https://github.com/toptensoftware/MarkdownDeep

Inputs: Markdown files in the current location.
Outputs: *.htm files with same base names as input.
#>
task ConvertMarkdown -Partial -Inputs {Get-Item *.md, *.markdown} -Outputs {process{[System.IO.Path]::ChangeExtension($_, 'htm')}} {
	begin {
		Add-Type -Path $env:MarkdownDeep
		$Markdown = New-Object MarkdownDeep.Markdown
		$Markdown.ExtraMode = $true
	}
	process {
		$body = $Markdown.Transform([System.IO.File]::ReadAllText($_).Replace("`r`n", "`n"))
		$writer = New-Object System.IO.StreamWriter $2, $false, ([System.Text.Encoding]::UTF8)
		try {
			$writer.Write("<html><title>$([System.IO.Path]::GetFileNameWithoutExtension($_))</title><body>`n")
			$writer.Write($body)
			$writer.Write("</body></html>`n")
		}
		finally {
			$writer.Close()
		}
	}
}

<#
Synopsis: Remove HTML files presumably created by ConvertMarkdown.
All *.htm files having *.md or *.markdown pairs are removed.
#>
task RemoveMarkdownHtml {
	foreach($_ in Get-Item *.md, *.markdown) {
		$path = [System.IO.Path]::ChangeExtension($_.FullName, 'htm')
		if (Test-Path -LiteralPath $path) { Remove-Item -LiteralPath $path }
	}
}
	# Invoke-Build tasks for markdown files (using MarkdownDeep)
	# <https://gist.github.com/1303971>

	<#
	Synopsis: Convert markdown files to HTML files (using MarkdownDeep).

	Requires:
	* MarkdownDeep.dll and its environment variable $env:MarkdownDeep
	* NuGet install MarkdownDeep.NET
	* https://github.com/toptensoftware/MarkdownDeep

	Inputs: Markdown files in the current location.
	Outputs: *.htm files with same base names as input.
	#>
	task ConvertMarkdown -Partial -Inputs {Get-Item .md, .markdown} -Outputs {process{[System.IO.Path]::ChangeExtension($_, 'htm')}} {
	begin {
	Add-Type -Path $env:MarkdownDeep
	$Markdown = New-Object MarkdownDeep.Markdown
	$Markdown.ExtraMode = $true
	}
	process {
	$body = $Markdown.Transform([System.IO.File]::ReadAllText($_).Replace("`r`n", "`n"))
	$writer = New-Object System.IO.StreamWriter $2, $false, ([System.Text.Encoding]::UTF8)
	try {
	$writer.Write("<html><title>$([System.IO.Path]::GetFileNameWithoutExtension($_))</title><body>`n")
	$writer.Write($body)
	$writer.Write("</body></html>`n")
	}
	finally {
	$writer.Close()
	}
	}
	}

	<#
	Synopsis: Remove HTML files presumably created by ConvertMarkdown.
	All .htm files having .md or *.markdown pairs are removed.
	#>
	task RemoveMarkdownHtml {
	foreach($_ in Get-Item .md, .markdown) {
	$path = [System.IO.Path]::ChangeExtension($_.FullName, 'htm')
	if (Test-Path -LiteralPath $path) { Remove-Item -LiteralPath $path }
	}
	}