kicad/qa/qa_utils/include/qa_utils/utility_program.h

138 lines
3.7 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef UTILITY_PROGRAM_H
#define UTILITY_PROGRAM_H
#include <functional>
#include <iostream>
#include <string>
#include <vector>
namespace KI_TEST
{
/**
* Return codes for tools
*/
enum RET_CODES
{
/// Tool exited OK
OK = 0,
/// The command line was not correct for the tool
BAD_CMDLINE = 1,
/// The tool asked for was not found
UNKNOWN_TOOL = 2,
/// Tools can define their own statuses from here onwards
TOOL_SPECIFIC = 10,
};
/**
* Description of a "utility program", which is a program that
* takes some command line and does "something".
*
* Likely uses of this are:
*
* * Test programs and demos
* * Benchmarks
* * Fuzz targets
*
* This structure allows a single executable to select a program from
* many registered programs to avoid having to maintain "N" similar CMake
* scripts and perform "N" linkages.
*/
struct UTILITY_PROGRAM
{
/// A function that provides the program for a given command line
using FUNC = std::function<int( int argc, char** argv )>;
UTILITY_PROGRAM( const std::string& aName, const std::string& aDesc, FUNC aMainFunc )
: m_name( aName ), m_desc( aDesc ), m_func( aMainFunc )
{
}
UTILITY_PROGRAM() : m_func( nullptr )
{
}
/// The name of the program (this is used to select one)
std::string m_name;
/// Description of the program
std::string m_desc;
/// The function to call to run the program
FUNC m_func;
};
/**
* Class that handles delegation of command lines to one of a
* number of "sub-utilities"
*/
class COMBINED_UTILITY
{
public:
/**
* Take in a command line and:
*
* * Handle "top level" commands like -h and -l
* * Delegate to sub-utilities
* * Report malformed command lines
*
* @param argc argument count (directly from the main() parameter )
* @param argv argument values (directly from the main() parameter )
* @return return code
*/
int HandleCommandLine( int argc, char** argv ) const;
private:
/**
* Format the list of known sub-utils.
* @param os the stream to format on
*/
void showSubUtilityList( std::ostream& os ) const;
/**
* Find a sub-utility with the given ID/name.
* @param aName the desired sub-utility name (e.g. "drc")
* @return pointer to the function that runs that sub-utility
*/
UTILITY_PROGRAM::FUNC* findSubUtility( const std::string& aName ) const;
/**
* Print the command line usage of this program
* @param name the name the program was run with
* @param os stream to print to
*/
void printUsage( char* name, std::ostream& os ) const;
};
} // namespace KI_TEST
#endif // UTILITY_PROGRAM_H