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65 lines
2.7 KiB
C++
65 lines
2.7 KiB
C++
/* Copyright (c) 2015, Pollard Banknote Limited
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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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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. 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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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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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
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PBL_CPP_FS_CLEANPATH_H
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#define PBL_CPP_FS_CLEANPATH_H
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#include <string>
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namespace cpp17
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{
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namespace filesystem
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{
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/** Return a simplified version of path
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*
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* @param path A file system path
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*
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* Collapses multiple path separators (ex., as in "/home//user"); replaces
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* "name/." with "name" and "parent/child/.." with "parent"; removes
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* trailing slashes.
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*
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* The returned path is equivalent to the original path in the sense that it
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* identifies the same file system object. Specifically, relative paths are
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* preserved (ex., no simplification is done to the dot-dot in "../here").
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*
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* If the path is malformed, the empty string is returned. For this
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* function, really only the empty string itself is "malformed".
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*
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* @note This is a textual operation. It does not validate the string
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* against the file system or otherwise touch the file system.
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* @bug foo/bar/../baz may not point to /foo/baz if bar symlinks to
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* flip/flop
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*/
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std::string
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cleanpath(const std::string& path);
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} // namespace filesystem
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} // namespace cpp17
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#endif // PBL_FS_CLEANPATH_H
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