cppcheck/cli/cmdlineparser.h

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/*
* Cppcheck - A tool for static C/C++ code analysis
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* 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 CMDLINE_PARSER_H
#define CMDLINE_PARSER_H
#include <cstddef>
#include <string>
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#include <vector>
#include "utils.h"
class Settings;
class Suppressions;
/// @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.
*/
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class CmdLineParser {
public:
/**
* The constructor.
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* @param settings Settings instance that will be modified according to
* options user has given.
* @param suppressions Suppressions instance that keeps the suppressions
* @param suppressionsNoFail Suppressions instance that keeps the "do not fail" suppressions
*/
CmdLineParser(Settings &settings, Suppressions &suppressions, Suppressions &suppressionsNoFail);
/**
* Parse given command line.
* @return true if command line was ok, false if there was an error.
*/
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bool parseFromArgs(int argc, const char* const argv[]);
/**
* Return if user wanted to see program version.
*/
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bool getShowVersion() const {
return mShowVersion;
}
/**
* Return if user wanted to see list of error messages.
*/
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bool getShowErrorMessages() const {
return mShowErrorMessages;
}
/**
* Return the path names user gave to command line.
*/
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const std::vector<std::string>& getPathNames() const {
return mPathNames;
}
/**
* Return if help is shown to user.
*/
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bool getShowHelp() const {
return mShowHelp;
}
/**
* Return if we should exit after printing version, help etc.
*/
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bool exitAfterPrinting() const {
return mExitAfterPrint;
}
/**
* Return a list of paths user wants to ignore.
*/
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const std::vector<std::string>& getIgnoredPaths() const {
return mIgnoredPaths;
}
protected:
/**
* Print help text to the console.
*/
void printHelp();
/**
* Print message (to stdout).
*/
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static void printMessage(const std::string &message);
/**
* Print error message (to stdout).
*/
static void printError(const std::string &message);
private:
bool isCppcheckPremium() const;
template<typename T>
static 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)) {
printError("argument to '" + std::string(arg, offset) + "' is not valid - " + err + ".");
return false;
}
if (mustBePositive && tmp < 0) {
printError("argument to '" + std::string(arg, offset) + "' needs to be a positive integer.");
return false;
}
num = tmp;
return true;
}
std::vector<std::string> mPathNames;
std::vector<std::string> mIgnoredPaths;
Settings &mSettings;
Suppressions &mSuppressions;
Suppressions &mSuppressionsNoFail;
bool mShowHelp{};
bool mShowVersion{};
bool mShowErrorMessages{};
bool mExitAfterPrint{};
std::string mVSConfig;
};
/// @}
#endif // CMDLINE_PARSER_H