def exportFields(self):
"""
Converts data from values to a compact data structure for being used to
compute a checksum in JavaScript.
"""
#
# Export structures:
# 1. [ name, 1, test, [value1, ...] ]
# 2. [ name, 2, value ]
# 3. [ name, 3, test, default? ]
#
export = []
for key in sorted(self.__fields):
source = self.__fields[key]
content = []
content.append("'%s'" % key)
# We have available values to permutate for
if "values" in source:
values = source["values"]
if "detect" in source and len(values) > 1:
# EXPORT STRUCT 1
content.append("1")
content.append(source["detect"])
if "default" in source:
# Make sure that default value is first in
values = values[:]
values.remove(source["default"])
values.insert(0, source["default"])
content.append(toJson(values))
else:
# EXPORT STRUCT 2
content.append("2")
content.append(toJson(values[0]))
# Has no relevance for permutation, just insert the test
else:
if "detect" in source:
# EXPORT STRUCT 3
content.append("3")
# Add detection class
content.append(source["detect"])
# Add default value if available
if "default" in source:
content.append(toJson(source["default"]))
else:
# Has no detection and no permutation. Ignore it completely
continue
export.append("[%s]" % ",".join(content))
if export:
return "[%s]" % ",".join(export)
else:
return None
def encode(content, name):
if callback:
return "%s(%s,'%s');" % (callback, toJson(content), name)
else:
return toJson(content)
def writeJson(dst, content):
return writeFile(dst, toJson(content))
