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# frozen_string_literal: true
require "forwardable"
module HTTPX::Transcoder
module JSON
module_function
JSON_REGEX = %r{
\b
application/
# optional vendor specific type
(?:
# token as per https://datatracker.ietf.org/doc/html/rfc7230#section-3.2.6
[!#$%&'*+\-.^_`|~0-9a-z]+
# literal plus sign
\+
)?
json
\b
}ix.freeze
class Encoder
extend Forwardable
def_delegator :@raw, :to_s
def_delegator :@raw, :bytesize
def_delegator :@raw, :==
def initialize(json)
@raw = JSON.json_dump(json)
@charset = @raw.encoding.name.downcase
end
def content_type
"application/json; charset=#{@charset}"
end
end
def encode(json)
Encoder.new(json)
end
def decode(response)
content_type = response.content_type.mime_type
raise HTTPX::Error, "invalid json mime type (#{content_type})" unless JSON_REGEX.match?(content_type)
method(:json_load)
end
# rubocop:disable Style/SingleLineMethods
if defined?(MultiJson)
def json_load(*args); MultiJson.load(*args); end
def json_dump(*args); MultiJson.dump(*args); end
elsif defined?(Oj)
def json_load(response, *args); Oj.load(response.to_s, *args); end
def json_dump(obj, options = {}); Oj.dump(obj, { mode: :compat }.merge(options)); end
elsif defined?(Yajl)
def json_load(response, *args); Yajl::Parser.new(*args).parse(response.to_s); end
def json_dump(*args); Yajl::Encoder.encode(*args); end
else
require "json"
def json_load(*args); ::JSON.parse(*args); end
def json_dump(*args); ::JSON.generate(*args); end
end
# rubocop:enable Style/SingleLineMethods
end
end
|
