go-vast

Go package to parse, manipulate and build Digital Video Ad Serving Templates (VAST). The currently supported version is VAST 4.2.

Usage

go get -u go.eigsys.de/go-vast

Important note on CDATA handling of encoding/xml

The encoding/xml package merges CDATA sections with surrounding text. This can lead to unexpected results when parsing VAST files.

Consider the following example:

          <JavaScriptResource>
            <![CDATA[https://verificationcompany1.com/verification_script1.js]]>
          </JavaScriptResource>

After parsing JavaScriptResource, the value is:

\n            https://verificationcompany1.com/verification_script1.js\n          

If you need the content without the Unicode spaces, consider using strings.TrimSpace(). For more information, see #43168.

Examples

A complete list of examples is available in the package reference.

Create empty VAST

package main

import (
	"go.eigsys.de/go-vast"
)

func main() {
	example := vast.New()
	example.Version = vast.VAST42Version
}

Read VAST from file

package main

import (
	"go.eigsys.de/go-vast"
	"log"
	"os"
)

func main() {
	handle, err := os.Open("vast.xml")
	if err != nil {
		log.Fatalf("%v", err)
	}
	
	example, err := vast.Read(handle)
	if err != nil {
		log.Fatalf("%v", err)
	}
}

Marshal VAST

package main

import (
	"go.eigsys.de/go-vast"
	"log"
)

func main() {
	example := vast.New()

	exampleBytes, err := example.Bytes()
	if err != nil {
		log.Fatalf("%v", err)
	}
}