cppcheck/lib/path.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <algorithm>
#include <vector>
#include <sstream>
#include <cstring>
#include "path.h"
std::string Path::toNativeSeparators(const std::string &path)
{
#if defined(_WIN32)
char separ = '/';
char native = '\\';
#else
char separ = '\\';
char native = '/';
#endif
std::string modified(path);
std::replace(modified.begin(), modified.end(), separ, native);
return modified;
}
std::string Path::fromNativeSeparators(const std::string &path)
{
char nonnative = '\\';
char newsepar = '/';
std::string modified(path);
std::replace(modified.begin(), modified.end(), nonnative, newsepar);
return modified;
}
std::string Path::simplifyPath(const char *originalPath)
{
// Skip ./ at the beginning
if (strlen(originalPath) > 2 && originalPath[0] == '.' &&
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originalPath[1] == '/') {
originalPath += 2;
}
std::string subPath = "";
std::vector<std::string> pathParts;
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for (; *originalPath; ++originalPath) {
if (*originalPath == '/' || *originalPath == '\\') {
if (subPath.length() > 0) {
pathParts.push_back(subPath);
subPath = "";
}
pathParts.push_back(std::string(1 , *originalPath));
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} else
subPath.append(1, *originalPath);
}
if (subPath.length() > 0)
pathParts.push_back(subPath);
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for (unsigned int i = 0; i < pathParts.size(); ++i) {
if (i > 1 && pathParts[i-2] != ".." && pathParts[i] == ".." && pathParts.size() > i + 1) {
pathParts.erase(pathParts.begin() + static_cast<int>(i) + 1);
pathParts.erase(pathParts.begin() + static_cast<int>(i));
pathParts.erase(pathParts.begin() + static_cast<int>(i) - 1);
pathParts.erase(pathParts.begin() + static_cast<int>(i) - 2);
i = 0;
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} else if (i > 0 && pathParts[i] == ".") {
pathParts.erase(pathParts.begin() + static_cast<int>(i));
i = 0;
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} else if (pathParts[i] == "/" && i > 0 && pathParts[i-1] == "/") {
pathParts.erase(pathParts.begin() + static_cast<int>(i) - 1);
i = 0;
}
}
std::ostringstream oss;
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for (std::vector<std::string>::size_type i = 0; i < pathParts.size(); ++i) {
oss << pathParts[i];
}
return oss.str();
}
bool Path::sameFileName(const std::string &fname1, const std::string &fname2)
{
#if defined(__linux__) || defined(__sun)
return bool(fname1 == fname2);
#elif defined(__GNUC__)
return bool(strcasecmp(fname1.c_str(), fname2.c_str()) == 0);
#elif defined(__BORLANDC__)
return bool(stricmp(fname1.c_str(), fname2.c_str()) == 0);
#elif defined(_MSC_VER)
return bool(_stricmp(fname1.c_str(), fname2.c_str()) == 0);
#else
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#error Platform filename compare function needed
#endif
}
std::string Path::removeQuotationMarks(const std::string &path)
{
std::string editPath(path);
editPath.erase(std::remove(editPath.begin(), editPath.end(), '\"'), editPath.end());
return editPath;
}
std::string Path::getFilenameExtension(const std::string &path)
{
const std::string::size_type dotLocation = path.find_last_of('.');
if (dotLocation == std::string::npos)
return "";
const std::string extension = path.substr(dotLocation);
return extension;
}