9627b667a1
simplifyPath() "fits" better to Path class conceptually. It handles paths, not lists them. Also this way we get rid of few unneeded dependencies to FileLister class.
100 lines
2.9 KiB
C++
100 lines
2.9 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 <vector>
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#include <sstream>
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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 char *originalPath)
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{
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std::string subPath = "";
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std::vector<std::string> pathParts;
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for (; *originalPath; ++originalPath)
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{
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if (*originalPath == '/' || *originalPath == '\\')
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{
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if (subPath.length() > 0)
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{
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pathParts.push_back(subPath);
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subPath = "";
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}
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pathParts.push_back(std::string(1 , *originalPath));
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}
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else
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subPath.append(1, *originalPath);
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}
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if (subPath.length() > 0)
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pathParts.push_back(subPath);
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for (unsigned int i = 0; i < pathParts.size(); ++i)
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{
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if (i > 1 && pathParts[i-2] != ".." && pathParts[i] == ".." && pathParts.size() > i + 1)
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{
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pathParts.erase(pathParts.begin() + static_cast<int>(i) + 1);
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pathParts.erase(pathParts.begin() + static_cast<int>(i));
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pathParts.erase(pathParts.begin() + static_cast<int>(i) - 1);
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pathParts.erase(pathParts.begin() + static_cast<int>(i) - 2);
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i = 0;
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}
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else if (i > 0 && pathParts[i] == ".")
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{
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pathParts.erase(pathParts.begin() + static_cast<int>(i));
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i = 0;
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}
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else if (pathParts[i] == "/" && i > 0 && pathParts[i-1] == "/")
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{
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pathParts.erase(pathParts.begin() + static_cast<int>(i) - 1);
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i = 0;
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}
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}
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std::ostringstream oss;
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for (std::vector<std::string>::size_type i = 0; i < pathParts.size(); ++i)
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{
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oss << pathParts[i];
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}
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return oss.str();
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}
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