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174 lines (149 loc) · 5.03 KB
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/* -*- C++ -*-
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2026 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 CMDLINE_PARSER_H
#define CMDLINE_PARSER_H
#include <cstddef>
#include <cstdint>
#include <list>
#include <string>
#include <vector>
#include "cmdlinelogger.h"
#include "filesettings.h"
#include "standards.h"
#include "utils.h"
class Settings;
struct Suppressions;
class Library;
/// @addtogroup CLI
/// @{
/**
* @brief The command line parser.
* The command line parser parses options and parameters user gives to
* cppcheck command line.
*
* The parser takes a pointer to Settings instance which it will update
* based on options user has given. Couple of options are handled as
* class internal options.
*/
class CmdLineParser {
public:
/**
* The constructor.
* @param logger The logger instance to log messages through
* @param settings Settings instance that will be modified according to
* options user has given.
* @param suppressions Suppressions instance that keeps the suppressions
*/
CmdLineParser(CmdLineLogger &logger, Settings &settings, Suppressions &suppressions);
CmdLineParser(const CmdLineParser &) = delete;
CmdLineParser &operator=(const CmdLineParser &) = delete;
enum class Result : std::uint8_t { Success, Exit, Fail };
/**
* @brief Parse command line args and fill settings and file lists
* from there.
*
* @param argc argc from main()
* @param argv argv from main()
* @return false when errors are found in the input
*/
bool fillSettingsFromArgs(int argc, const char* const argv[]);
/**
* @brief Filter files
*
* @param fileFilters file filters
* @param filesResolved all the files in project
* @return the files in filesResolved that match filters
*/
static std::list<FileWithDetails> filterFiles(const std::vector<std::string>& fileFilters,
const std::list<FileWithDetails>& filesResolved);
/**
* Return the files user gave to command line.
*/
const std::list<FileWithDetails>& getFiles() const {
return mFiles;
}
/**
* Return the file settings read from command line.
*/
const std::list<FileSettings>& getFileSettings() const {
return mFileSettings;
}
protected:
/**
* Parse given command line.
* @return true if command line was ok, false if there was an error.
*/
Result parseFromArgs(int argc, const char* const argv[]);
/**
* Get Cppcheck version
*/
std::string getVersion() const;
private:
/**
* Print help text to the console.
*/
void printHelp() const;
template<typename T>
bool parseNumberArg(const char* const arg, std::size_t offset, T& num, bool mustBePositive = false)
{
T tmp;
std::string err;
if (!strToInt(arg + offset, tmp, &err)) {
mLogger.printError("argument to '" + std::string(arg, offset) + "' is not valid - " + err + ".");
return false;
}
if (mustBePositive && tmp < 0) {
mLogger.printError("argument to '" + std::string(arg, offset) + "' needs to be a positive integer.");
return false;
}
num = tmp;
return true;
}
/**
* Tries to load a library and prints warning/error messages
* @return false, if an error occurred (except unknown XML elements)
*/
bool tryLoadLibrary(Library& destination, const std::string& basepath, const char* filename, bool debug);
/**
* @brief Load libraries
* @param settings Settings
* @return Returns true if successful
*/
bool loadLibraries(Settings& settings);
/**
* @brief Load addons
* @param settings Settings
* @return Returns true if successful
*/
bool loadAddons(Settings& settings);
bool loadCppcheckCfg();
void outputFormatOptionMixingError() const;
CmdLineLogger& mLogger;
Settings& mSettings;
Suppressions& mSuppressions;
protected:
std::vector<std::string> mPathNames;
std::list<FileWithDetails> mFiles;
std::list<FileSettings> mFileSettings;
std::vector<std::string> mIgnoredPaths;
bool mAnalyzeAllVsConfigsSetOnCmdLine = false;
/** @brief Name of the language that is enforced. Empty per default. */
Standards::Language mEnforcedLang{Standards::Language::None};
};
/// @}
#endif // CMDLINE_PARSER_H