Programmatically create the readables and writables mappings.

scripts/mktable.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+echo "#include <string>"
+echo "#include <map>"
+
+word=$1
+shift
+
+for a in "$@"; do
+	echo "extern std::string ${word}_${a}_pb();"
+done
+
+echo "extern const std::map<std::string, std::string> ${word};"
+echo "const std::map<std::string, std::string> ${word} = {"
+for a in "$@"; do
+	echo "    { \"${a}\", ${word}_${a}_pb() },"
+done
+echo "};"
+
+