Initial commit

pipe/dsl/generate_dsl_helpers.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# 
+
+records=`curl -sf http://www.iana.org/assignments/dns-parameters/dns-parameters-4.csv | cut -f1 -d',' | sort | uniq | awk '/^[A-Z][A-Z]*$/ { print $0 }'` || exit 1
+
+echo "// AUTOGENERATED helper methods for IANA-registered RRTYPES. Do not edit."
+echo "// See generate_dsl_helpers.sh for details"
+echo "package dsl"
+echo "
+import (
+	\"fmt\"
+	\"regexp\"
+)
+"
+# A list of RRTypes might come in handy, you never know
+echo "var RRTypes = []string{"
+for record in $records; do
+echo "	\"${record}\","
+done
+echo "}"
+for record in $records; do
+
+echo "
+// Helper function to register a callback for ${record} queries.
+// The matcher is given as a string, which is compiled to a regular expression
+// (using regexp.MustCompile) with the following rules:
+//
+// * The regexp is anchored to the start of the match string(\"^\" at start)
+// * The case-insensitivity option is added \"(?i)\"
+// * The regexp is anchored to the end of the match string (\"$\" at end)
+//
+// If any of these options are unwelcome, you can use the DSL.Register and pass
+// a regexp and the \"${record}\" string directly.
+func (d *DSL) ${record}(matcher string, f Callback) {
+	re := regexp.MustCompile(fmt.Sprintf(\"^(?i)%s$\", matcher))
+	d.Register(\"${record}\", re, f)
+}"
+
+done
+