Erljson - Erlang json parser

A JSON parser from json (binary) to erlang maps. This is a pretty simple implementation of https://tools.ietf.org/html/rfc7159

Usage

Erljson has a very simple api. For example decode/1 accepts binary and returns map in case valid json binary provided. On other hand encode/1 accepts map and returns json binary.

erljson:decode

• Eshell V8.0.2 (abort with ^G)
• 1> erljson:decode(<<"{\"key1\": \"value\", \"key2\": true, \"key3\": []}">>).
• ``#{<<"key1">> => <<"value">>,<<"key2">> => true,<<"key3">> => []}

note on decode

In case invalid json provided decode throws exception containing following tuple : throw({error, invalid_json, Binary}). Where Binary is the one which was passed as an argument to decode.

erljson:encode

• Eshell V8.0.2 (abort with ^G)
• 1> erljson:encode(#{<<"key1">> => <<"value">>,<<"key2">> => true,<<"key3">> => []}).
• <<"{\"key1\":\"value\",\"key2\":true,\"key3\":[]}">>

Todo

• At this moment an implementation does not set explicit limits on :
  • the size of texts that it accepts;
  • the maximum depth of nesting;
  • the range and precision of numbers;
  • the length and character contents of strings.
• Performance wasn't checked and considered yet.
• Explicit support for UTF-8 characters wasn't tested.