Basic Briefansicht + parsing

helpers/functions/string.go

@@ -1,6 +1,11 @@
 package functions
 
-import "html/template"
+import (
+	"html/template"
+	"strings"
+
+	xmlparsing "github.com/Theodor-Springmann-Stiftung/lenz-web/xml"
+)
 
 func FirstLetter(s string) string {
 	if len(s) == 0 {
@@ -15,3 +20,41 @@ func Safe(s string) template.HTML {
 	}
 	return template.HTML(s)
 }
+
+type LenzParseState struct{}
+
+func ParseGeneric(s string) string {
+	if len(s) == 0 {
+		return ""
+	}
+
+	builder := strings.Builder{}
+	for elem, err := range xmlparsing.Iterate(s, LenzParseState{}) {
+		if err != nil {
+			return err.Error()
+		}
+		switch elem.Token.Type {
+		case xmlparsing.StartElement:
+			builder.WriteString("<div class=\"")
+			builder.WriteString(elem.Token.Name)
+			for key, value := range elem.Token.Attributes {
+				builder.WriteString(" ")
+				builder.WriteString(key)
+				builder.WriteString("-")
+				builder.WriteString(value)
+			}
+
+			builder.WriteString("\">")
+		}
+
+		if elem.Token.Type == xmlparsing.CharData {
+			builder.WriteString(elem.Token.Data)
+		}
+
+		if elem.Token.Type == xmlparsing.EndElement {
+			builder.WriteString("</div>")
+		}
+	}
+
+	return builder.String()
+}