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authorruki <[email protected]>2016-01-14 09:19:14 +0800
committerruki <[email protected]>2016-01-14 09:19:14 +0800
commitcdcf953259aee5e7e1a06855ddbedbaabf585bc9 (patch)
tree47b8e5de10522cca3b67354fa527b3525193e880 /xmake/core/base/string.lua
parent8c50566e7ab2139b9f6c2976b9ce875b7ad11b7a (diff)
rename script directory to core
Diffstat (limited to 'xmake/core/base/string.lua')
-rw-r--r--xmake/core/base/string.lua115
1 files changed, 115 insertions, 0 deletions
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