From cdcf953259aee5e7e1a06855ddbedbaabf585bc9 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 14 Jan 2016 09:19:14 +0800
Subject: rename script directory to core

---
 xmake/core/base/string.lua | 115 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 xmake/core/base/string.lua

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

diff --git a/xmake/core/base/string.lua b/xmake/core/base/string.lua
new file mode 100644
index 000000000..b4be08cfa
--- /dev/null
+++ b/xmake/core/base/string.lua
@@ -0,0 +1,115 @@
+--!The Automatic Cross-platform Build Tool
+-- 
+-- XMake is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU Lesser General Public License as published by
+-- the Free Software Foundation; either version 2.1 of the License, or
+-- (at your option) any later version.
+-- 
+-- XMake is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Lesser General Public License for more details.
+-- 
+-- You should have received a copy of the GNU Lesser General Public License
+-- along with XMake; 
+-- If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
+-- 
+-- Copyright (C) 2009 - 2015, ruki All rights reserved.
+--
+-- @author      ruki
+-- @file        string.lua
+--
+
+-- define module: string
+local string = string or {}
+
+-- find the last substring with the given pattern
+function string.find_last(self, pattern, plain)
+
+    -- find the last substring
+    local curr = 0
+    repeat
+        local next = self:find(pattern, curr + 1, plain)
+        if next then
+            curr = next
+        end
+    until (not next)
+
+    -- found?
+    if curr > 0 then
+        return curr
+    end
+end
+
+-- split string with the given pattern
+function string.split(self, pattern)
+
+    -- split it
+    local list = {}
+    self:gsub("[^" .. pattern .."]+", function(v) table.insert(list, v) end )
+    return list
+end
+
+-- trim the spaces
+function string.trim(self)
+    return (self:gsub("^%s*(.-)%s*$", "%1"))
+end
+
+-- trim the left spaces
+function string.ltrim(self)
+    return (self:gsub("^%s*", ""))
+end
+
+-- trim the right spaces
+function string.rtrim(self)
+    local n = #self
+    while n > 0 and s:find("^%s", n) do n = n - 1 end
+    return self:sub(1, n)
+end
+
+-- append a substring with a given separator
+function string.append(self, substr, separator)
+
+    -- check
+    assert(self)
+
+    -- not substr? return self
+    if not substr then
+        return self
+    end
+
+    -- append it
+    local s = self
+    if #s == 0 then
+        s = substr
+    else
+        s = string.format("%s%s%s", s, separator or "", substr)
+    end
+    
+    -- ok
+    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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