From cd57345c054659f27e7b9fdf91d30074a6dca997 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Thu, 6 Dec 2018 10:21:49 +0800
Subject: =?UTF-8?q?json=E8=A1=A8=E6=94=AF=E6=8C=81null?=
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---
 server/src/json/init.lua  |  1 +
 server/src/json/table.lua | 62 +++++++++++++++++++++++++++++++++++++++++++++++
 server/src/service.lua    | 23 +++---------------
 3 files changed, 67 insertions(+), 19 deletions(-)
 create mode 100644 server/src/json/table.lua

(limited to 'server/src')

diff --git a/server/src/json/init.lua b/server/src/json/init.lua
index c28e7aed..db513678 100644
--- a/server/src/json/init.lua
+++ b/server/src/json/init.lua
@@ -1,6 +1,7 @@
 local api = {
     decode = require 'json.decode',
     encode = require 'json.encode',
+    table  = require 'json.table',
 }
 
 return api
diff --git a/server/src/json/table.lua b/server/src/json/table.lua
new file mode 100644
index 00000000..351bfe07
--- /dev/null
+++ b/server/src/json/table.lua
@@ -0,0 +1,62 @@
+
+local pairs = pairs
+local next = next
+local sort = table.sort
+local type = type
+local rawset = rawset
+local move = table.move
+local setmetatable = setmetatable
+
+local function sort_table(tbl)
+	if not tbl then
+		tbl = {}
+	end
+	local mt = {}
+	local keys = {}
+	local mark = {}
+	local n = 0
+	for key in next, tbl do
+		n=n+1;keys[n] = key
+		mark[key] = true
+	end
+	sort(keys)
+	function mt:__newindex(key, value)
+		rawset(self, key, value)
+		n=n+1;keys[n] = key
+		mark[key] = true
+		if type(value) == 'table' then
+			sort_table(value)
+		end
+	end
+	function mt:__pairs()
+		local list = {}
+		local m = 0
+		for key in next, self do
+			if not mark[key] then
+				m=m+1;list[m] = key
+			end
+		end
+		if m > 0 then
+			move(keys, 1, n, m+1)
+			sort(list)
+			for i = 1, m do
+				local key = list[i]
+				keys[i] = key
+				mark[key] = true
+			end
+			n = n + m
+		end
+		local i = 0
+		return function ()
+			i = i + 1
+			local key = keys[i]
+			return key, self[key]
+		end
+	end
+	
+	return setmetatable(tbl, mt)
+end
+
+return function (tbl)
+    return sort_table(tbl)
+end
diff --git a/server/src/service.lua b/server/src/service.lua
index ae1d8c9d..c5987150 100644
--- a/server/src/service.lua
+++ b/server/src/service.lua
@@ -64,25 +64,10 @@ function mt:_doProto(proto)
     local method = proto.method
     local params = proto.params
     local response, err = self:_callMethod(method, params)
-    if id then
-        if response then
-            self:_send {
-                id = id,
-                result = response,
-            }
-        else
-            self:_send {
-                id = id,
-                error = {
-                    code = ErrorCodes.UnknownErrorCode,
-                    message = err or ('Lack of response: ' .. method),
-                },
-            }
-        end
-    end
-    if response == nil then
-        log.error(err or ('Lack of response: ' .. method))
-    end
+    local proto  = json.table()
+    proto.id     = id
+    proto.result = response
+    self:_send(proto)
 end
 
 function mt:_buildTextCache()
-- 
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