log-parser: move the kata-log-parser from the tests repo

to the kata-containers repo under the src/tools/log-parser folder
and vendor the modules

Fixes: #4100
Signed-off-by: Snir Sheriber <ssheribe@redhat.com>

src/tools/log-parser/display_xml.go

@@ -0,0 +1,58 @@
+//
+// Copyright (c) 2018 Intel Corporation
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package main
+
+import (
+	"encoding/xml"
+	"fmt"
+	"os"
+)
+
+type displayXML struct {
+}
+
+// MarshalXML converts a MapSS map type into an XML representation. This is
+// required because the XML package is unable to deal with maps itself.
+func (m MapSS) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	tokens := []xml.Token{start}
+
+	for key, value := range m {
+		t := xml.StartElement{
+			Name: xml.Name{
+				Space: "",
+				Local: key,
+			},
+		}
+
+		tokens = append(tokens, t, xml.CharData(value), xml.EndElement{Name: t.Name})
+	}
+
+	tokens = append(tokens, xml.EndElement{Name: start.Name})
+
+	for _, t := range tokens {
+		err := e.EncodeToken(t)
+		if err != nil {
+			return err
+		}
+	}
+
+	return e.Flush()
+}
+
+func (d *displayXML) Display(entries *LogEntries, fieldNames []string, file *os.File) error {
+
+	bytes, err := xml.MarshalIndent(entries, displayPrefix, displayIndentValue)
+	if err != nil {
+		return err
+	}
+
+	output := string(bytes)
+
+	_, err = fmt.Fprintln(file, output)
+
+	return err
+}