src/json/encode/object.lua

   1 local jsonencode = require("json.encode")
   2
   3 local pairs = pairs
   4 local assert = assert
   5
   6 local type = type
   7 local tostring = tostring
   8
   9 local table_concat = table.concat
  10
  11 local strings = require("json.encode.strings")
  12
  13 module("json.encode.object")
  14
  15 function encode(tab, options)
  16         local encodeValue = jsonencode.encodeValue
  17         local encodeString = strings.encode
  18         local retVal = {}
  19         -- Is table
  20         for i, v in pairs(tab) do
  21                 local ti = type(i)
  22                 assert(ti == 'string' or ti == 'number' or ti == 'boolean', "Invalid object index type: " .. ti)
  23                 i = encodeString(tostring(i), options)
  24
  25                 retVal[#retVal + 1] = i .. ':' .. encodeValue(v, options)
  26         end
  27         return '{' .. table_concat(retVal, ',') .. '}'
  28 end