rpc.coffee

fs  = require "fs"
eco = require 'eco'

RPC = {}
header = '''
class Struct
class Request
'''

type_template = '''
<%- "\# #{@description}" if @description %>
class <%- @name %> extends Struct
  @__type__:
    <% for key, val of @params: %>
    <%- key %>: <%- val %>
    <% end %>
  constructor: (p)->
  <% for key, val of @params: %>
    @<%- key %> = p.<%- key %>
  <% end %>
'''

RPC.type = (name, fn) ->
  hoge = name: name
  fn(hoge)
  console.log eco.render type_template, hoge

func_template = '''
<%- "\# #{@description}" if @description %>

class Request_<%- @name %> extends Request
  @__args__: [
  <% for arg in @args: %>
    {
    <% for key, val of arg: %>
      <%- key %>: <%- val %>
    <% end %>
    }
  <% end %>
  ]

  @__return_type__:
  <% for key, val of @return_type: %>
    <%- key %>: <%- val %>
  <% end %>
  constructor: (args...)->
  <% for arg, i in @args: %> <% for key, val of arg: %>
    @<%- key %> = args[<%- i %>]
  <% end %> <% end %>
'''

RPC.func = (name, fn)->
  obj = name: name
  fn obj
  console.log eco.render func_template, obj


# xxxxxxxxxxxxxxxxxx
console.log header

RPC.type 'Point', (f) ->
  f.params =
    x: 'Number'
    y: 'Number'
  f.description = '座標'

RPC.func "getPosition", (f) ->
  f.args = [
    {userName:'String'}
    {userId  :'Number'}
  ]
  f.return_type =
    point: "Point"
  f.description = 'ユーザーの位置を取得'