81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <algorithm>
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#include "path.h"
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std::string Path::toNativeSeparators(const std::string &path)
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{
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#if defined(_WIN32)
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char separ = '/';
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char native = '\\';
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#else
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char separ = '\\';
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char native = '/';
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#endif
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std::string modified(path);
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std::replace(modified.begin(), modified.end(), separ, native);
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return modified;
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}
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std::string Path::fromNativeSeparators(const std::string &path)
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{
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char nonnative = '\\';
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char newsepar = '/';
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std::string modified(path);
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std::replace(modified.begin(), modified.end(), nonnative, newsepar);
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return modified;
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}
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std::string Path::simplifyPath(const std::string &path)
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{
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std::string f(path);
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// Remove './' from begin of the path
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if (f.size() > 2 && f[0] == '.' && f[1] == '/')
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f = f.erase(0, 2);
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// replace "/ab/../" with "/"..
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std::string::size_type pos = 0;
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while ((pos = f.find("..", pos + 1)) != std::string::npos)
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{
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// position must be at least 4..
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if (pos < 4)
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continue;
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// Previous char must be a separator..
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if (f[pos-1] != '/')
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continue;
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// Next char must be a separator..
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if (f[pos+2] != '/')
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continue;
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// Locate previous separator..
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std::string::size_type sep = f.find_last_of("/", pos - 2);
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if (sep == std::string::npos)
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continue;
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// Delete substring..
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f.erase(sep, pos + 2 - sep);
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pos = sep;
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}
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return f;
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}
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