133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2009 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 <sstream>
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#include <vector>
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#include <cstring>
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#include <string>
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#include <cctype>
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#include <algorithm>
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#include "filelister.h"
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#if defined(_WIN32)
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#include "filelister_win32.h"
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#else // POSIX-style system
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#include "filelister_unix.h"
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#endif
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// We have one singleton FileLister.
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static FileLister *fileLister;
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FileLister * getFileLister()
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{
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if (fileLister == NULL)
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{
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#if defined(_WIN32)
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fileLister = new FileListerWin32;
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#else // POSIX-style system
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fileLister = new FileListerUnix;
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#endif
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return fileLister;
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}
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return fileLister;
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}
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std::string FileLister::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 (std::vector<std::string>::size_type i = 0; i < pathParts.size(); ++i)
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{
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if (pathParts[i] == ".." && i > 1 && pathParts.size() > i + 1)
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{
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pathParts.erase(pathParts.begin() + i + 1);
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pathParts.erase(pathParts.begin() + i);
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pathParts.erase(pathParts.begin() + i - 1);
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pathParts.erase(pathParts.begin() + 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() + 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() + 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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// This wrapper exists because Sun's CC does not allow a static_cast
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// from extern "C" int(*)(int) to int(*)(int).
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static int tolowerWrapper(int c)
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{
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return std::tolower(c);
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}
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bool FileLister::acceptFile(const std::string &filename)
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{
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std::string::size_type dotLocation = filename.find_last_of('.');
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if (dotLocation == std::string::npos)
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return false;
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std::string extension = filename.substr(dotLocation);
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std::transform(extension.begin(), extension.end(), extension.begin(), tolowerWrapper);
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if (extension == ".cpp" ||
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extension == ".cxx" ||
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extension == ".cc" ||
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extension == ".c" ||
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extension == ".c++" ||
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extension == ".txx")
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{
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return true;
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}
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return false;
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}
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