Created
January 31, 2017 21:20
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Convert json files that include $uuid node
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#!/usr/bin/env ruby | |
require 'json' | |
def uuid_to_hex(uuid) | |
hex = uuid.gsub(/[{}-]/, "") | |
msb = hex[0,16] | |
lsb = hex[16,16] | |
msb = msb[14, 2] + msb[12, 2] + msb[10, 2] + msb[8, 2] + msb[6, 2] + msb[4, 2] + msb[2, 2] + msb[0, 2] | |
lsb = lsb[14, 2] + lsb[12, 2] + lsb[10, 2] + lsb[8, 2] + lsb[6, 2] + lsb[4, 2] + lsb[2, 2] + lsb[0, 2] | |
msb + lsb | |
end | |
def hex_to_base64_digest(hexdigest) | |
[[hexdigest].pack("H*")].pack("m0") | |
end | |
def find_uuid_node_and_replace(hash) | |
hash.inject({}) do |n, (k,v)| | |
if v.is_a? Enumerable | |
n[k] = find_uuid_node_and_replace(v) | |
else | |
if k == "$uuid" | |
n["$binary"] = hex_to_base64_digest(uuid_to_hex(v)) | |
n["$type"] = "03" | |
else | |
n[k] = v | |
end | |
end | |
n | |
end | |
end | |
ARGF.each do |line| | |
object = JSON.parse(line) | |
puts find_uuid_node_and_replace(object).to_json | |
end |
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