Add code tips

Author: moznion

benchmark/bench.lua

@@ -0,0 +1,49 @@
+local bm = require 'benchmark'
+local urlencode = require 'urlencode'
+
+local reporter = bm.bm(6)
+
+-- original code from -> https://gist.github.com/cgwxyz/6053d51e8d7134dd2e30
+function encodeURI(str)
+    if (str) then
+        str = string.gsub (str, "\n", "\r\n")
+        str = string.gsub (str, "([^%w ])",
+        function (c) return string.format ("%%%02X", string.byte(c)) end)
+        str = string.gsub (str, " ", "+")
+    end
+    return str
+end
+
+function decodeURI(s)
+    if(s) then
+        s = string.gsub(s, '%%(%x%x)',
+        function (hex) return string.char(tonumber(hex,16)) end )
+        s = string.gsub(s, "+", " ")
+    end
+    return s
+end
+
+reporter:report(function()
+    for i = 1, 1e6 do
+        encodeURI("hello こんにちは สวัสดี")
+    end
+end, 'pure lua: encode url')
+
+reporter:report(function()
+    for i = 1, 1e6 do
+        urlencode.encode_url("hello こんにちは สวัสดี")
+    end
+end, 'encodeurl: encode url')
+
+reporter:report(function()
+    for i = 1, 1e6 do
+        decodeURI("hello+%E3%81%93%E3%82%93%E3%81%AB%E3%81%A1%E3%81%AF+%E0%B8%AA%E0%B8%A7%E0%B8%B1%E0%B8%AA%E0%B8%94%E0%B8%B5")
+    end
+end, 'pure lua: decode url')
+
+reporter:report(function()
+    for i = 1, 1e6 do
+        urlencode.decode_url("hello+%E3%81%93%E3%82%93%E3%81%AB%E3%81%A1%E3%81%AF+%E0%B8%AA%E0%B8%A7%E0%B8%B1%E0%B8%AA%E0%B8%94%E0%B8%B5")
+    end
+end, 'encodeurl: decode url')
+

example/example.lua

@@ -0,0 +1,4 @@
+local urlencode = require 'urlencode'
+
+print(urlencode.encode_url("hello こんにちは")) -- => hello+%E3%81%93%E3%82%93%E3%81%AB%E3%81%A1%E3%81%AF
+print(urlencode.decode_url("hello+%E3%81%93%E3%82%93%E3%81%AB%E3%81%A1%E3%81%AF")) -- => hello こんにちは