From b753c9e182813b395dd4910476ff4fb3c5e26fd9 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Sat, 5 Dec 2015 10:04:47 +0800
Subject: encode and decode string

---
 xmake/scripts/base/string.lua | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'xmake/scripts/base/string.lua')

diff --git a/xmake/scripts/base/string.lua b/xmake/scripts/base/string.lua
index 3abe68c05..d6f3bf748 100644
--- a/xmake/scripts/base/string.lua
+++ b/xmake/scripts/base/string.lua
@@ -89,6 +89,26 @@ function string.append(self, substr, separator)
     return s
 end
 
+-- encode: ' ', '=', '\"', '<'
+function string.encode(self)
+
+    -- null?
+    if self == nil then return end
+
+    -- done
+    return (self:gsub("[%s=\"<]", function (w) return string.format("%%%x", w:byte()) end))
+end
+
+-- decode: ' ', '=', '\"'
+function string.decode(self)
+
+    -- null?
+    if self == nil then return end
+
+    -- done
+    return (self:gsub("%%(%x%x)", function (w) return string.char(tonumber(w, 16)) end))
+end
+
 
 -- return module: string
 return string
-- 
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