Added validate_xml.ps1

Scripts/validate_xml.ps1

@@ -0,0 +1,30 @@
+function Validate-Xml {
+	param ([string]$XmlFilePath)
+	try {
+		# Get the file
+		$XmlFile = Get-Item($XmlFilePath)
+		
+		# Keep count of how many errors there are in the XML file
+		$script:ErrorCount = 0
+		
+		# Perform the XSD Validation
+		$ReaderSettings = New-Object -TypeName System.Xml.XmlReaderSettings
+		$ReaderSettings.ValidationType = [System.Xml.ValidationType]::Schema
+		$ReaderSettings.ValidationFlags = [System.Xml.Schema.XmlSchemaValidationFlags]::ProcessInlineSchema -bor [System.Xml.Schema.XmlSchemaValidationFlags]::ProcessSchemaLocation
+		$ReaderSettings.add_ValidationEventHandler({ $script:ErrorCount++ })
+		$Reader = [System.Xml.XmlReader]::Create($XmlFile.FullName, $ReaderSettings)
+		while ($Reader.Read()) { }
+		$Reader.Close()
+		
+		# Verify the results of the XSD validation
+		if ($script:ErrorCount -gt 0) {
+			# XML is NOT valid
+			$false
+		} else {
+			# XML is valid
+			$true
+		}
+	} catch {
+		Write-Warning "$($MyInvocation.MyCommand.Name) - Error: $($_.Exception.Message) - Line Number: $($_.InvocationInfo.ScriptLineNumber)"
+	}
+}