From ac04c834998919f8170ed2d9a76c91d90cf46863 Mon Sep 17 00:00:00 2001
From: Markus Fleschutz <markus@fleschutz.de>
Date: Wed, 30 Sep 2020 15:25:52 +0200
Subject: [PATCH] Added validate_xml.ps1

---
 README.md                |  1 +
 Scripts/validate_xml.ps1 | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 Scripts/validate_xml.ps1

diff --git a/README.md b/README.md
index 52a506de..c164fc0a 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ PowerShell Scripts Included
 * [train_dns_cache.ps1](Scripts/train_dns_cache.ps1) - trains the DNS cache with frequently used domain names
 * [translate.ps1](Scripts/translate.ps1) - translates the given text
 * [txt2wav.ps1](Scripts/txt2wav.ps1) - converts text into a audio .WAV file
+* [validate_xml.ps1](Scripts/validate_xml.ps1) - validates the given XML file
 * [weather.ps1](Scripts/weather.ps1) - prints the current weather forecast
 * [wakeup.ps1](Scripts/wakeup.ps1) - sends a magic packet to the given computer, waking him up
 * [zipdir.ps1](Scripts/zipdir.ps1) - creates a zip archive of the given folder
diff --git a/Scripts/validate_xml.ps1 b/Scripts/validate_xml.ps1
new file mode 100644
index 00000000..e085f53a
--- /dev/null
+++ b/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)"
+	}
+}