55 lines
915 B
Crystal
55 lines
915 B
Crystal
require "cbor"
|
|
|
|
if ARGV.size >= 1 && ARGV[0] == "-h"
|
|
puts "usage: cbor-from-string-to-int-hash-keys < file.cbor"
|
|
puts "usage: cbor-from-string-to-int-hash-keys [attribute] < file"
|
|
exit 0
|
|
end
|
|
|
|
def are_hash_keys_all_int?(data)
|
|
case d = data
|
|
when Hash
|
|
keys = d.keys
|
|
if keys.all? {|v| v.is_a?(String) }
|
|
keys.all? {|v| v.as(String).to_i64 rescue false }
|
|
else
|
|
false
|
|
end
|
|
else
|
|
false
|
|
end
|
|
end
|
|
|
|
def change(data)
|
|
# 1. change keys
|
|
if are_hash_keys_all_int? data
|
|
puts "YES, DO IT, keys: #{data.as(Hash).keys}"
|
|
end
|
|
|
|
# 2. dig
|
|
case d = data
|
|
when Hash
|
|
keys = d.keys
|
|
keys.each do |k|
|
|
change d[k]
|
|
end
|
|
end
|
|
end
|
|
|
|
buffer = Bytes.new 1_000_000 # 1 MB
|
|
|
|
until STDIN.read(buffer) == 0
|
|
decoder = CBOR::Decoder.new(buffer)
|
|
while data = decoder.read_value
|
|
break if data == 0
|
|
|
|
# pp data
|
|
|
|
change data
|
|
|
|
# STDOUT.write data.to_cbor
|
|
# STDOUT.flush
|
|
end
|
|
buffer = Bytes.new 1_000_000 # 1 MB
|
|
end
|