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WIP ipc/json.

ipc07
Luka Vandervelden 2020-05-14 17:35:37 +02:00
parent 3a8c67c795
commit 0f52ca1b2a
1 changed files with 48 additions and 0 deletions

48
src/json.cr Normal file
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require "json"
require "./ipc.cr"
class IPC::JSON
include ::JSON::Serializable
@[::JSON::Field(ignored: true)]
getter type = -1
class_getter type = -1
property id : ::JSON::Any?
macro message(id, type, &block)
class {{id}} < ::IPC::JSON
include ::JSON::Serializable
@@type = {{type}}
def type
@@type
end
{{yield}}
end
end
end
class IPC::Connection
def send(message : IPC::JSON)
send message.type.to_u8, message.to_json
end
end
# CAUTION: Only use this method on an Array(IPC::JSON.class)
class Array(T)
def parse_ipc_json(messages : Array(IPC::JSON.class), message : IPC::Message) : IPC::JSON?
message_type = find &.type.==(message.utype)
payload = String.new message.payload
if message_type.nil?
raise "invalid message type (#{message.utype})"
end
message_type.from_json payload
end
end