CommandBankUtils.h

/*
 
MIT License
 
Copyright (c) 2017 FMI Open Development / Markus Peura, first.last@fmi.fi
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 
*/
/*
Part of Rack development has been done in the BALTRAD projects part-financed
by the European Union (European Regional Development Fund and European
Neighbourhood Partnership Instrument, Baltic Sea Region Programme 2007-2013)
*/
 
 
// New design (2020)
 
#ifndef COMMAND_BANK_UTILS_H_
#define COMMAND_BANK_UTILS_H_
 
#include <iostream>
#include <fstream>
 
#include "CommandBank.h"
#include "CommandSections.h"
#include "drain/image/Image.h"
 
 
namespace drain {
 
 
// Static
/*
class CommandBankUtils : public CommandBank {
public:
};
*/
 
// Rename CommandUtils?
 
 
 
 
class CmdVerbosity : public SimpleCommand<int> {
 
public:
 
    CmdVerbosity() : SimpleCommand<int>(__FUNCTION__, "Logging verbosity", "level", drain::getLog().getVerbosity()) {
    };
 
 
    inline
    void exec() const {
        // NEW
        Context & ctx = getContext<Context>();
        ctx.log.setVerbosity(value);
 
        // OLD
        drain::getLog().setVerbosity(value);
        drain::image::getImgLog().setVerbosity(value-1);
    }
 
};
 
class CmdDebug : public BasicCommand {
 
public:
 
    inline
    CmdDebug() : BasicCommand(__FUNCTION__, "Set verbosity to LOG_DEBUG") { // TODO
    };
 
    inline
    void exec() const {
        Context & ctx = getContext<Context>();
        ctx.log.setVerbosity(LOG_DEBUG);
        drain::getLog().setVerbosity(LOG_DEBUG);
        drain::image::getImgLog().setVerbosity(LOG_DEBUG);
        //r.run("verbose","8");  // FIXME r.setVerbosity();
    };
 
};
 
class CmdFor : public drain::SimpleCommand<std::string> {
 
public:
 
    CmdFor() : drain::SimpleCommand<std::string>(__FUNCTION__, "Iterate a list of values, calling a script for each", "key","val,val2,...","comma-separated list") {
    };
 
    void exec() const override;
 
};
 
/*
class CmdForEach : public drain::SimpleCommand<std::string> {
 
public:
 
    CmdForEach() : drain::SimpleCommand<std::string>(__FUNCTION__, "Iterate values of status variable ${key}, calling a script for each", "key") {
    };
 
    void exec() const override;
 
};
*/
//class CmdLog : public SimpleCommand<> {
class CmdLog : public BasicCommand {
 
public:
 
    CmdLog(CommandBank & cmdBank);
 
    CmdLog(const CmdLog & cmd);
 
    void exec() const;
 
protected:
 
    CommandBank & bank;
 
    std::string filename;
 
    // For numeric or string keys
    std::string level;
 
    bool timing;
 
};
 
 
 
 
 
class CmdStatus : public drain::BasicCommand {
 
public:
 
    inline
    CmdStatus() : drain::BasicCommand(__FUNCTION__, "Dump information on current images.") {
    };
 
    void exec() const;
 
};
 
 
class CmdExpandVariables : public BasicCommand {
 
public:
 
    inline
    CmdExpandVariables() : BasicCommand(__FUNCTION__, "Toggle variable expansions on/off") {
    };
 
    inline
    void exec() const {
        SmartContext & ctx = getContext<SmartContext>();
        ctx.expandVariables = !ctx.expandVariables;
    };
 
};
 
 
 
class CmdScript : public SimpleCommand<std::string> {
 
public:
 
    inline
    CmdScript(CommandBank & cmdBank) :
        SimpleCommand<std::string>(__FUNCTION__, "Define script.", "script"),
        bank(cmdBank){
        cmdBank.scriptCmd = getName(); // mark me special
    };
 
    inline
    CmdScript(const CmdScript & cmd) : SimpleCommand<std::string>(cmd), bank(cmd.bank){
    }
 
protected:
 
    // Copy constructor should copy this as well.
    // FUture versions may store the script in Context?
    CommandBank & bank;
 
};
 
 
 
class CmdExecScript : public BasicCommand {
 
public:
 
    inline
    CmdExecScript() :
        BasicCommand(__FUNCTION__, "Execute script.") {
        // const drain::Flagger::ivalue_t
        cmd_section_type TRIGGER = drain::Static::get<drain::TriggerSection>().index;
        this->section |= TRIGGER;
    };
 
 
    inline
    void exec() const {
        SmartContext & ctx = getContext<SmartContext>();
        drain::Logger mout(ctx.log, __FILE__, __FUNCTION__);
        mout.debug("Storing script with '" , getName() , "' ." );
    };
 
 
};
 
 
 
 
 
class CmdExecFile : public SimpleCommand<std::string> {
 
public:
 
    CmdExecFile(CommandBank & cmdBank) :
        SimpleCommand<std::string>(__FUNCTION__, "Execute commands from a file.", "filename"),
        bank(cmdBank){
        cmdBank.execFileCmd = getName(); // mark me special
    };
 
protected:
 
    // Copy constructor should copy this as well.
    CommandBank & bank;
 
};
 
 
class CmdHelp : public SimpleCommand<std::string> {
 
public:
 
 
    CmdHelp(CommandBank & cmdBank) : SimpleCommand<std::string>(__FUNCTION__, "Display help.", "key", "", "command|sections"), cmdBank(cmdBank) {
    };
 
    inline
    void exec() const {
        if (value.empty()){
            if (cmdBank.has("general")){
                cmdBank.help("general");
                exit(0);
            }
        }
        cmdBank.help(value);
        //  TODO: "see-also" commands as a list, which is checked.
        exit(0);
    }
 
protected:
 
    // Copy constructor should copy this as well.
    CommandBank & cmdBank;
 
};
 
 
 
 
//template <class C=Context>
class CmdFormat : public SimpleCommand<std::string> {
 
public:
 
    CmdFormat() :  SimpleCommand<std::string>(__FUNCTION__,"Set format for data dumps (see --sample or --outputFile)", "format","") {  // SimpleCommand<std::string>(getResources().generalCommands, name, alias, "Sets a format std::string.") {
    };
 
    inline
    void exec() const {
        SmartContext &ctx = getContext<SmartContext>();
        ctx.formatStr = value;
    }
 
 
};
 
 
 
 
template <class C=Context>
class CmdFormatFile : public SimpleCommand<std::string> {
 
public:
 
 
    CmdFormatFile() : SimpleCommand<>(__FUNCTION__, "Read format for metadata dump from a file","filename","","std::string") {
    };
 
    void exec() const;
 
};
 
 
template <class C>
void CmdFormatFile<C>::exec() const {
 
    C &ctx = getContext<C>();
 
    drain::Logger mout(ctx.log, __FILE__, __FUNCTION__);
 
    //drain::Input ifstr(value);
    std::ifstream ifstr;
    ifstr.open(value.c_str(), std::ios::in);
    if (ifstr.good()){
        std::stringstream sstr;
        sstr << ifstr.rdbuf();
        /*
        for (int c = ifstr.get(); !ifstr.eof(); c = ifstr.get()){ // why not getline?
            sstr << (char)c;
        }
        */
        ifstr.close();
        //Context &ctx = getContext<>();
        ctx.formatStr = sstr.str(); // SmartContext ?
 
    }
    else
        mout.error(getName() , ": opening file '" , value , "' failed." );
 
};
 
 
class CmdNotFound : public SimpleCommand<> {
 
public:
 
    CmdNotFound(CommandBank & cmdBank) :
        SimpleCommand<std::string>(__FUNCTION__, "Throw exception on unfound ", "cmdArg","")
        //cmdBank(cmdBank)
        {
        section = 0; // hidden
        cmdBank.notFoundHandlerCmdKey = "notFound"; // getName();
    };
 
    void exec() const {
        Context & ctx = getContext<>();
 
        drain::Logger mout(ctx.log, __FILE__, __FUNCTION__);
 
        mout.error("Command '" , value , "' not found." );
    }
 
};
 
 
 
} /* namespace drain */
 
#endif