71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
package exprhelpers
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import (
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"github.com/beevik/etree"
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log "github.com/sirupsen/logrus"
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)
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var pathCache = make(map[string]etree.Path)
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// func XMLGetAttributeValue(xmlString string, path string, attributeName string) string {
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func XMLGetAttributeValue(params ...any) (any, error) {
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xmlString := params[0].(string)
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path := params[1].(string)
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attributeName := params[2].(string)
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if _, ok := pathCache[path]; !ok {
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compiledPath, err := etree.CompilePath(path)
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if err != nil {
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log.Errorf("Could not compile path %s: %s", path, err)
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return "", nil
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}
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pathCache[path] = compiledPath
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}
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compiledPath := pathCache[path]
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doc := etree.NewDocument()
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err := doc.ReadFromString(xmlString)
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if err != nil {
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log.Tracef("Could not parse XML: %s", err)
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return "", nil
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}
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elem := doc.FindElementPath(compiledPath)
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if elem == nil {
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log.Debugf("Could not find element %s", path)
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return "", nil
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}
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attr := elem.SelectAttr(attributeName)
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if attr == nil {
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log.Debugf("Could not find attribute %s", attributeName)
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return "", nil
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}
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return attr.Value, nil
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}
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// func XMLGetNodeValue(xmlString string, path string) string {
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func XMLGetNodeValue(params ...any) (any, error) {
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xmlString := params[0].(string)
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path := params[1].(string)
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if _, ok := pathCache[path]; !ok {
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compiledPath, err := etree.CompilePath(path)
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if err != nil {
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log.Errorf("Could not compile path %s: %s", path, err)
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return "", nil
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}
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pathCache[path] = compiledPath
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}
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compiledPath := pathCache[path]
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doc := etree.NewDocument()
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err := doc.ReadFromString(xmlString)
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if err != nil {
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log.Tracef("Could not parse XML: %s", err)
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return "", nil
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}
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elem := doc.FindElementPath(compiledPath)
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if elem == nil {
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log.Debugf("Could not find element %s", path)
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return "", nil
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}
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return elem.Text(), nil
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}
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