cppcheck/lib/pathmatch.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2022 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 "pathmatch.h"
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#include "path.h"
#include "utils.h"
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#include <cstddef>
#include <utility>
PathMatch::PathMatch(std::vector<std::string> excludedPaths, bool caseSensitive)
: mExcludedPaths(std::move(excludedPaths)), mCaseSensitive(caseSensitive)
{
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if (!mCaseSensitive)
for (std::string& excludedPath : mExcludedPaths)
strTolower(excludedPath);
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mWorkingDirectory.push_back(Path::getCurrentPath());
}
bool PathMatch::match(const std::string &path) const
{
if (path.empty())
return false;
for (std::vector<std::string>::const_iterator i = mExcludedPaths.cbegin(); i != mExcludedPaths.cend(); ++i) {
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const std::string excludedPath((!Path::isAbsolute(path) && Path::isAbsolute(*i)) ? Path::getRelativePath(*i, mWorkingDirectory) : *i);
std::string findpath = Path::fromNativeSeparators(path);
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if (!mCaseSensitive)
strTolower(findpath);
// Filtering directory name
if (endsWith(excludedPath,'/')) {
if (!endsWith(findpath,'/'))
findpath = removeFilename(findpath);
if (excludedPath.length() > findpath.length())
continue;
// Match relative paths starting with mask
// -isrc matches src/foo.cpp
if (findpath.compare(0, excludedPath.size(), excludedPath) == 0)
return true;
// Match only full directory name in middle or end of the path
// -isrc matches myproject/src/ but does not match
// myproject/srcfiles/ or myproject/mysrc/
if (findpath.find("/" + excludedPath) != std::string::npos)
return true;
}
// Filtering filename
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else {
if (excludedPath.length() > findpath.length())
continue;
// Check if path ends with mask
// -ifoo.cpp matches (./)foo.c, src/foo.cpp and proj/src/foo.cpp
// -isrc/file.cpp matches src/foo.cpp and proj/src/foo.cpp
if (findpath.compare(findpath.size() - excludedPath.size(), findpath.size(), excludedPath) == 0)
return true;
}
}
return false;
}
std::string PathMatch::removeFilename(const std::string &path)
{
const std::size_t ind = path.find_last_of('/');
return path.substr(0, ind + 1);
}