cppcheck/lib/path.h

193 lines
6.8 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2023 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/>.
*/
//---------------------------------------------------------------------------
#ifndef pathH
#define pathH
//---------------------------------------------------------------------------
#include "config.h"
#include <set>
#include <string>
#include <vector>
/// @addtogroup Core
/// @{
/**
* @brief Path handling routines.
* Internally cppcheck wants to store paths with / separator which is also
* native separator for Unix-derived systems. When giving path to user
* or for other functions we convert path separators back to native type.
*/
class CPPCHECKLIB Path {
public:
/**
* Convert path to use native separators.
* @param path Path string to convert.
* @return converted path.
*/
static std::string toNativeSeparators(std::string path);
/**
* Convert path to use internal path separators.
* @param path Path string to convert.
* @return converted path.
*/
static std::string fromNativeSeparators(std::string path);
/**
* @brief Simplify path "foo/bar/.." => "foo"
* @param originalPath path to be simplified, must have / -separators.
* @return simplified path
*/
static std::string simplifyPath(std::string originalPath);
/**
* @brief Lookup the path part from a filename (e.g., '/tmp/a.h' -> '/tmp/', 'a.h' -> '')
* @param filename filename to lookup, must have / -separators.
* @return path part of the filename
*/
static std::string getPathFromFilename(const std::string &filename);
/**
* @brief Compare filenames to see if they are the same.
* On Linux the comparison is case-sensitive. On Windows it is case-insensitive.
* @param fname1 one filename
* @param fname2 other filename
* @return true if the filenames match on the current platform
*/
static bool sameFileName(const std::string &fname1, const std::string &fname2);
/**
* @brief Remove quotation marks (") from the path.
* @param path path to be cleaned.
* @return Cleaned path without quotation marks.
*/
static std::string removeQuotationMarks(std::string path);
/**
* @brief Get an extension of the filename.
* @param path Path containing filename.
* @param lowercase Return the extension in lower case
* @return Filename extension (containing the dot, e.g. ".h" or ".CPP").
*/
static std::string getFilenameExtension(const std::string &path, bool lowercase = false);
/**
* @brief Get an extension of the filename in lower case.
* @param path Path containing filename.
* @return Filename extension (containing the dot, e.g. ".h").
*/
static std::string getFilenameExtensionInLowerCase(const std::string &path);
/**
* @brief Returns the absolute path of current working directory
* @return absolute path of current working directory
*/
static std::string getCurrentPath();
/**
* @brief Check if given path is absolute
* @param path Path to check
* @return true if given path is absolute
*/
static bool isAbsolute(const std::string& path);
/**
* @brief Create a relative path from an absolute one, if absolute path is inside the basePaths.
* @param absolutePath Path to be made relative.
* @param basePaths Paths to which it may be made relative.
* @return relative path, if possible. Otherwise absolutePath is returned unchanged
*/
static std::string getRelativePath(std::string absolutePath, const std::vector<std::string>& basePaths);
/**
* @brief Get an absolute file path from a relative one.
* @param filePath File path to be made absolute.
* @return absolute path, if possible. Otherwise an empty path is returned
*/
static std::string getAbsoluteFilePath(const std::string& filePath);
/**
* @brief Check if the file extension indicates that it's a C/C++ source file.
* Check if the file has source file extension: *.c;*.cpp;*.cxx;*.c++;*.cc;*.txx
* @param filename filename to check. path info is optional
* @return true if the file extension indicates it should be checked
*/
static bool acceptFile(const std::string &filename) {
const std::set<std::string> extra;
return acceptFile(filename, extra);
}
/**
* @brief Check if the file extension indicates that it's a C/C++ source file.
* Check if the file has source file extension: *.c;*.cpp;*.cxx;*.c++;*.cc;*.txx
* @param path filename to check. path info is optional
* @param extra extra file extensions
* @return true if the file extension indicates it should be checked
*/
static bool acceptFile(const std::string &path, const std::set<std::string> &extra);
/**
* @brief Identify language based on file extension.
* @param path filename to check. path info is optional
* @return true if extension is meant for C files
*/
static bool isC(const std::string &path);
/**
* @brief Identify language based on file extension.
* @param path filename to check. path info is optional
* @return true if extension is meant for C++ files
*/
static bool isCPP(const std::string &path);
/**
* @brief Is filename a header based on file extension
* @param path filename to check. path info is optional
* @return true if filename extension is meant for headers
*/
static bool isHeader(const std::string &path);
/**
* @brief Get filename without a directory path part.
* @param file filename to be stripped. path info is optional
* @return filename without directory path part.
*/
static std::string stripDirectoryPart(std::string file);
/**
* @brief Checks if a File exists
* @param file Path to be checked if it is a File
* @return true if given path is a File
*/
static bool fileExists(const std::string &file);
/**
* join 2 paths with '/' separators
*/
static std::string join(std::string path1, std::string path2);
};
/// @}
//---------------------------------------------------------------------------
#endif // pathH