67 lines
2.2 KiB
Lua
67 lines
2.2 KiB
Lua
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--[[
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Copyright (c) 2015, Robert 'Bobby' Zenz
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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--]]
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--- Various utility functions for working with paths.
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pathutil = {
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--- The path delimiter used.
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delimiter = "/"
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}
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--- Concats all given value into a valid path.
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--
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-- @param ... The items to concatenate. Assumed to be strings.
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-- @return A pthat delimited by the current path delimiter.
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function pathutil.concat(...)
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if ... == nil then
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return ""
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end
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local path = ""
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for idx, value in ipairs({...}) do
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if value ~= nil and value ~= "" then
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if path ~= "" and stringutil.startswith(value, pathutil.delimiter) then
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value = string.sub(value, string.len(pathutil.delimiter) + 1)
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end
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if stringutil.endswith(value, pathutil.delimiter) then
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value = string.sub(value, 1, -string.len(pathutil.delimiter))
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end
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if not stringutil.endswith(path, pathutil.delimiter) and path ~= "" then
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path = path .. pathutil.delimiter
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end
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path = path .. tostring(value)
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end
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end
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return path
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end
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