initial commit

build/

project(libcmdplus)

cmake_minimum_required(VERSION 3.25)

set(CMAKE_CXX_FLAGS

    "${CMAKE_CXX_FLAGS} \

    -fPIC \

    -fsanitize=address "

)

set(LIBV "1")

set(Upstream_VERSION 1.0.0)

add_subdirectory(src)

add_library(cmdplus STATIC cmdplus.cpp)

set_property(TARGET cmdplus PROPERTY VERSION ${Upstream_VERSION})

set_property(TARGET cmdplus PROPERTY SOVERSION ${LIBV})

set_property(TARGET cmdplus PROPERTY INTERFACE_systempp_MAJOR_VERSION ${LIBV})

set_property(TARGET cmdplus APPEND PROPERTY COMPATIBLE_INTERFACE_STRING cryptplus_MAJOR_VERSION)

install(TARGETS cmdplus DESTINATION lib EXPORT cmdplusTargets)

install(FILES cmdplus.h DESTINATION include/cmdplus)

set(ConfigPackageLocation lib/cmake/cmdplus)

export(EXPORT cmdplusTargets

  FILE "${CMAKE_CURRENT_BINARY_DIR}/libcmdplusTargets.cmake"

  NAMESPACE Upstream::

)

include(CMakePackageConfigHelpers)

write_basic_package_version_file(

  "${CMAKE_CURRENT_BINARY_DIR}/libcmdplusVersion.cmake"

  VERSION ${Upstream_VERSION}

  COMPATIBILITY AnyNewerVersion

)

install(EXPORT cmdplusTargets

  FILE

    libcmdplusTargets.cmake

  NAMESPACE

    Upstream::

  DESTINATION

    ${ConfigPackageLocation}

)

install(

  FILES

    "libcmdplusConfig.cmake"

    "${CMAKE_CURRENT_BINARY_DIR}/libcmdplusVersion.cmake"

    "${CMAKE_CURRENT_SOURCE_DIR}/libcmdplusConfig.cmake"

  DESTINATION

    ${ConfigPackageLocation}

  COMPONENT

    Devel

)

/*******************************************************************************

Copyright (c) 2021, Jan Koester jan.koester@gmx.net

All rights reserved.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright

      notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright

      notice, this list of conditions and the following disclaimer in the

      documentation and/or other materials provided with the distribution.

    * Neither the name of the <organization> nor the

      names of its contributors may be used to endorse or promote products

      derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY

DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*******************************************************************************/

#include <cstdio>

#include <cstring>

#include <iostream>

#include "cmdplus.h"

#define KTKEY 0

#define KTSKEY 1

cmdplus::Cmd::Cmd() {

    _Key = nullptr;

    _SKey = '\0';

    _Value = nullptr;

    _Help = nullptr;

    _Found = false;

    _Required = false;

    _nextCmd = nullptr;

}

const char *cmdplus::Cmd::getKey() {

    return _Key;

}

const char cmdplus::Cmd::getShortkey() {

    return _SKey;

}

const char *cmdplus::Cmd::getValue() {

    return _Value;

}

unsigned long cmdplus::Cmd::getValueSize_t() {

    return atoi(_Value);

}

int cmdplus::Cmd::getValueInt() {

    return atoi(_Value);

}

const char *cmdplus::Cmd::getHelp() {

    return _Help;

}

bool cmdplus::Cmd::getFound() {

    return _Found;

}

bool cmdplus::Cmd::getRequired() {

    return _Required;

}

cmdplus::Cmd *cmdplus::Cmd::nextCmd() {

    return _nextCmd;

}

cmdplus::Cmd::~Cmd() {

    delete[] _Key;

    delete[] _Value;

    delete[] _Help;

    delete _nextCmd;

}

cmdplus::CmdController::CmdController() {

    _firstCmd = nullptr;

    _lastCmd = nullptr;

}

void cmdplus::CmdController::registerCmd(const char *key, const char skey,bool required, const char *defaultvalue, const char *help) {

    if (!key || !skey || !help) {

        throw "cmd parser key,skey or help not set!";

    }

    /*if key exist overwriting options*/

    for (Cmd *curdcmd = _firstCmd; curdcmd; curdcmd=curdcmd->nextCmd()) {

        if (strcmp(key,curdcmd->getKey()) == 0) {

            /*set new shortkey*/

            curdcmd->_SKey = skey;

            /*set reqirement flag*/

            curdcmd->_Required = required;

            /*set new value*/

            delete[] curdcmd->_Value;

            curdcmd->_Value = new char[strlen(defaultvalue)+1];

            memcpy(curdcmd->_Value,defaultvalue,strlen(defaultvalue));

            curdcmd->_Value[strlen(defaultvalue)] = '\0';

            /*set new help*/

            delete[] curdcmd->_Help;

            curdcmd->_Help = new char[strlen(help) + 1];

            memcpy(curdcmd->_Help,help,strlen(help));

            curdcmd->_Help[strlen(help)] = '\0';

            return;

        }

    }

    /*create new key value store*/

    if (!_firstCmd) {

        _firstCmd = new Cmd;

        _lastCmd = _firstCmd;

    }

    else {

        _lastCmd->_nextCmd = new Cmd;

        _lastCmd = _lastCmd->_nextCmd;

    }

    /*set new key*/

    _lastCmd->_Key = new char[strlen(key) + 1];

    memcpy(_lastCmd->_Key,key,strlen(key));

    _lastCmd->_Key[strlen(key)] = '\0';

    /*set new shortkey*/

    _lastCmd->_SKey = skey;

    /*set reqirement flag*/

    _lastCmd->_Required = required;

    /*set new value*/

    if (defaultvalue) {

        _lastCmd->_Value = new char[strlen(defaultvalue) + 1];

        memcpy(_lastCmd->_Value,defaultvalue,strlen(defaultvalue));

        _lastCmd->_Value[strlen(defaultvalue)] = '\0';

    }

    /*set new help*/

    _lastCmd->_Help = new char[strlen(help) + 1];

    memcpy(_lastCmd->_Help,help,strlen(help));

    _lastCmd->_Help[strlen(help)] = '\0';

}

void cmdplus::CmdController::registerCmd(const char *key, const char skey, bool required, unsigned long defaultvalue, const char *help) {

    char buf[255];

    snprintf(buf,255,"%lu",defaultvalue);

    registerCmd(key,skey,required,buf,help);

}

void cmdplus::CmdController::registerCmd(const char *key, const char skey, bool required, int defaultvalue, const char *help) {

    char buf[255];

    snprintf(buf,255,"%d",defaultvalue);                         

    registerCmd(key, skey, required, buf, help);

}

void cmdplus::CmdController::parseCmd(int argc, char** argv){

    for (int args = 1; args < argc; args++) {

        int keytype = -1;

        if (argv[args][0]=='-' && argv[args][1] == '-') {

            keytype = KTKEY;

        }else if (argv[args][0] == '-'){

            keytype = KTSKEY;

        }else {

            break;

        }

        unsigned long kendpos = strlen(argv[args]);

        for (unsigned long cmdpos = 0; cmdpos < strlen(argv[args])+1; cmdpos++) {	

            switch (argv[args][cmdpos]) {

                case '=': {

                    kendpos = cmdpos;

                };

            }

        }

        char *key = nullptr;

        char skey = '0';

        if (keytype == KTKEY) {

            key = new char[kendpos-1];

            memcpy(key,argv[args] +2,kendpos-2);

            key[kendpos - 2] = '\0';

        } else if (keytype == KTSKEY){

            skey = argv[args][1];

        }

        for (Cmd *curcmd = _firstCmd; curcmd; curcmd = curcmd->nextCmd()) {

            if (keytype == KTKEY) {

                if (strcmp(key,curcmd->getKey()) == 0) {

                    curcmd->_Found = true;

                    int valuesize = (strlen(argv[args]) - (kendpos+1));

                    if (valuesize > 0) {

                        delete[] curcmd->_Value;

                        curcmd->_Value = new char[valuesize+1];

                        memcpy(curcmd->_Value,argv[args]+(kendpos+1),(strlen(argv[args])-(kendpos+1)));

                        curcmd->_Value[valuesize] = '\0';

                    }

                }

            } else if (keytype == KTSKEY) {

                if (curcmd->getShortkey()== skey) {

                    curcmd->_Found = true;

                    if (++args<argc) {

                        int valuesize = strlen(argv[args]);

                        delete[] curcmd->_Value;

                        curcmd->_Value = new char[valuesize + 1];

                        memcpy(curcmd->_Value,argv[args],strlen(argv[args]));

                        curcmd->_Value[valuesize] = '\0';

                    }

                }

            }

        }

        delete[] key;

    }

}

bool cmdplus::CmdController::checkRequired() {

    for (Cmd *curdcmd = _firstCmd; curdcmd; curdcmd = curdcmd->nextCmd()) {

        if (curdcmd->getRequired() && !curdcmd->_Found) {

            return false;

        }

    }

    return true;

}

void cmdplus::CmdController::printHelp() {

    for (Cmd *curdcmd = _firstCmd; curdcmd; curdcmd = curdcmd->nextCmd()) {

        std::cout << "--" << curdcmd->getKey()

                                     << " -" << curdcmd->getShortkey()

                                     << " "  << curdcmd->getHelp() 

                                     << std::endl;

    }

}

cmdplus::Cmd *cmdplus::CmdController::getCmdbyKey(const char *key) {

    for (Cmd *curdcmd = _firstCmd; curdcmd; curdcmd = curdcmd->nextCmd()) {

        if (strcmp(key,curdcmd->getKey()) == 0) {

            return curdcmd;

        }

    }

    return nullptr;

}

cmdplus::CmdController::~CmdController() {

    delete _firstCmd;

    _lastCmd = nullptr;

}

/*******************************************************************************

 * Copyright (c) 2021, Jan Koester jan.koester@gmx.net

 * All rights reserved.

 * 

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright

 *      notice, this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright

 *      notice, this list of conditions and the following disclaimer in the

 *      documentation and/or other materials provided with the distribution.

 * Neither the name of the <organization> nor the

 *      names of its contributors may be used to endorse or promote products

 *      derived from this software without specific prior written permission.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *******************************************************************************/

#pragma once

namespace cmdplus {

    class Cmd {

    public:

        const char    *getKey();

        const char     getShortkey();

        const char    *getValue();

        unsigned long  getValueSize_t();

        int            getValueInt();

        const char    *getHelp();

        bool           getFound();

        bool           getRequired();

        Cmd           *nextCmd();

    private:

        Cmd();

        ~Cmd();

        char         *_Key;

        char          _SKey;

        char         *_Value;

        char         *_Help;

        bool          _Found;

        bool          _Required;

        Cmd          *_nextCmd;

        friend class CmdController;

    };

    class CmdController {

    public:

        static CmdController& getInstance(){

            static cmdplus::CmdController instance;

            return instance; 

        }

        void registerCmd(const char *key,char skey,bool required,const char *defaultvalue,const char *help);

        void registerCmd(const char *key,char skey,bool required,unsigned long defaultvalue, const char *help);

        void registerCmd(const char *key,char skey,bool required,int defaultvalue, const char *help);

        void printHelp();

        void parseCmd(int argc, char** argv);

        bool checkRequired();

        Cmd  *getCmdbyKey(const char *key);

    private:

        CmdController();

        ~CmdController();

        Cmd              *_firstCmd;

        Cmd              *_lastCmd;

    };

};