convert hcp xml into json for easier processing

xml/hcpxml2json

@@ -0,0 +1,103 @@
+#!/usr/bin/env python3
+# Convert the featuremap and devicedescription XML files into a single JSON
+# this collapses the XML entities and duplicates some things, but makes for
+# easier parsing later
+#
+# Program groups are ignored for now
+#
+
+import sys
+import xml.etree.ElementTree as ET
+import json
+
+# the feature file has features, errors, and enums
+# for now the ordering is hardcoded
+featuremapping = ET.parse(sys.argv[1]).getroot()
+description = ET.parse(sys.argv[2]).getroot()
+
+#####################
+#
+# Parse the feature file
+#
+
+features = {}
+errors = {}
+enums = {}
+
+# Features
+for child in featuremapping[1]: #.iter('feature'):
+	uid = int(child.attrib["refUID"], 16)
+	name = child.text
+	features[uid] = name
+
+# Errors
+for child in featuremapping[2]: 
+	uid = int(child.attrib["refEID"], 16)
+	name = child.text
+	errors[uid] = name
+
+# Enums
+for child in featuremapping[3]: 
+	uid = int(child.attrib["refENID"], 16)
+	enum_name = child.attrib["enumKey"]
+	values = {}
+	for v in child:
+		value = int(v.attrib["refValue"])
+		name = v.text
+		values[value] = name
+	enums[uid] = {
+		"name": enum_name,
+		"values": values,
+	}
+
+#####################
+#
+# Parse the description file
+#
+
+def parse_xml_list(entries):
+	parsed = {}
+
+	for el in entries:
+		# not sure how to parse refCID and refDID
+		uid = int(el.attrib["uid"], 16)
+		data = {
+			"name": features[uid],
+		}
+
+		for key in el.attrib:
+			data[key] = el.attrib[key]
+
+		# clean up
+		del data["uid"]
+
+		if "enumerationType" in el.attrib:
+			del data["enumerationType"]
+			enum_id = int(el.attrib["enumerationType"], 16)
+			data["values"] = enums[enum_id]["values"]
+
+		parsed[uid] = data
+
+	return parsed
+
+def parse_machine_description(entries):
+	description = {}
+
+	for el in entries:
+		prefix, has_namespace, tag = el.tag.partition('}')
+		if tag != "pairableDeviceTypes":
+			description[tag] = el.text
+
+	return description
+
+machine = {
+	"description": parse_machine_description(description[3]),
+	"status": parse_xml_list(description[4]),
+	"settings": parse_xml_list(description[5]),
+	"events": parse_xml_list(description[6]),
+	"commands": parse_xml_list(description[7]),
+	"options": parse_xml_list(description[8]),
+	"errors": errors,
+}
+
+print(json.dumps(machine))