functions.h

#include <string>
#include <iostream>

bool isNumber(char x){
    if(x=='0')
        return true;
    if(x=='1')
        return true;
    if(x=='2')
        return true;
    if(x=='3')
        return true;
    if(x=='4')
        return true;
    if(x=='5')
        return true;
    if(x=='6')
        return true;
    if(x=='7')
        return true;
    if(x=='8')
        return true;
    if(x=='9')
        return true;
    return false;
}

void readArguments(int n, char const *args[]){
    int i=1;
    string argument;
    while(i<n){
        argument=args[i];
        if(!argument.compare(IMAGE_NAME)){
            if((i+1)<n && args[i+1][0]!='-'){
                src = args[i+1];
                i+=2;
            }
            else
                i=i+1;
        }
        if(!argument.compare(WORK_DIR)){
            if((i+1)<n && args[i+1][0]!='-'){
                folder = args[i+1];
                i+=2;
            }
            else
                i=i+1;
        }
        if(!argument.compare(FORWARD_METHOD)){
            if((i+1)<n && args[i+1][0]!='-' && isNumber(args[i+1][0])){
                i=i+1;
                int amount_forward_processing=atoi(args[i]);
                int x=1;
                i=i+1;
                while(x<=amount_forward_processing && i<n && args[i][0]!='-'){
                    int nArguments = -1;
                    if(isNumber(args[i+1][0]))
                        nArguments = atoi(args[i+1]);
                    vector<int> argv;
                    for(int c=1;c<=nArguments;c++){
                        if(isNumber(args[i+1+c][0]))
                            argv.push_back(atoi(args[i+1+c]));
                    }
                    string fpname = args[i];
                    ForwardProcessing* fpr = ForwardProcessingCreator::create(fpname);
                    if(fpr!=NULL && nArguments==argv.size()){
                        fp_name.push_back(fpname);
                        fp.push_back(fpr);
                        fp_arguments.push_back(argv);
                        fp_narguments.push_back(nArguments);
                    }
                    x=x+1;
                    i=i+argv.size()+2;
                }
            }
            else
                i=i+1;
        }
        if(!argument.compare(WIDTH_BLOCK)){
            if((i+1)<n && args[i+1][0]!='-' && isNumber(args[i+1][0])){
                wblock = atoi(args[i+1]);
                i+=2;
            }
            else
                i=i+1;
        }
        if(!argument.compare(HEIGHT_BLOCK)){
            if((i+1)<n && args[i+1][0]!='-' && isNumber(args[i+1][0])){
                hblock = atoi(args[i+1]);
                i+=2;
            }
            else
                i=i+1;
        }
        if(!argument.compare(PACKETIZER_METHOD)){
            if((i+2)<n && args[i+1][0]!='-' && isNumber(args[i+1][0])){
                package_size = atoi(args[i+1]);
                i=i+1;
                string pname = args[i+1];
                pktz = PacketizerCreator::create(pname);
                if(pktz==NULL)
                    pktz = new NormalPacketizer();
                i+=2;
            }
            else{
                pktz = new NormalPacketizer();
                i=i+1;
            }
        }
        if(!argument.compare(CHANNEL_METHOD)){
            if((i+1)<n && args[i+1][0]!='-'){
                i=i+1;
                string fpname = args[i];
                if((i+1)<n && args[i+1][0]!='-' && isNumber(args[i+1][0])){
                    i=i+1;
                    int x = atoi(args[i]);
                    int c=0;
                    vector<string> argu;
                    i=i+1;
                    while(c<x && i<n && args[i][0]!='-'){
                        argu.push_back(args[i+c]);
                        c=c+1;
                    }
                    i=i+c;
                    if(argu.size()==x){
                        Channel* chn = ChannelCreator::create(fpname, argu);
                        if(chn!=NULL){
                            chnl=chn;
                        }
                        else{
                            vector<string> str;
                            str.push_back("loss_random.loss");
                            chnl = new ChannelFile(str);
                        }
                    }
                }
                else{
                    vector<string> str;
                    str.push_back("loss_random.loss");
                    chnl = new ChannelFile(str);
                    i=i+1;
                }
            }
            else{
                vector<string> str;
                str.push_back("loss_random.loss");
                chnl = new ChannelFile(str);
                i=i+1;
            }
        }
        if(!argument.compare(REBUILDER_METHOD)){
            if((i+1)<n && args[i+1][0]!='-'){
                string rname = args[i+1];
                rbd = RebuilderCreator::create(rname);
                if(rbd==NULL)
                    rbd = new RebuilderAverage();
                i=i+2;
            }
            else{
                rbd = new RebuilderAverage();
                i=i+1;
            }
        }
        if(!argument.compare(METRIC)){
            if((i+1)<n && args[i+1][0]!='-' && isNumber(args[i+1][0])){
                int amount_metrics = atoi(args[i+1]),c=1;
                i=i+1;
                string mname;
                for(c=1;c<=amount_metrics && i<n && args[i][0]!='-';c++){
                    mname=args[i+c];
                    Metric *aux = MetricCreator::create(mname);
                    if(aux!=NULL)
                        metrics.push_back(aux);
                }
                i=i+c;
            }
            else{
                metrics.push_back(new MetricPsnr());
                i=i+1;
            }
        }
        if(!argument.compare(FOLDER_RESULT)){
            if((i+1)<n && args[i+1][0]!='-'){
                folder_result = args[i+1];
                i=i+2;
            }
            else
                i=i+1;
        }
        if(!argument.compare(SHOW_DATA_SCREEN)){
            show_data=true;
            i=i+1;
        }
        if(!argument.compare(EXPORT_FILES)){
            export_files=true;
            i=i+1;
        } 
    }
    if(pktz==NULL)
        pktz = new NormalPacketizer();
    if(rbd==NULL)
        rbd = new RebuilderAverage();
    if(chnl==NULL){
        vector<string> str;
        str.push_back("loss_random.loss");
        chnl = new ChannelFile(str);
    }
}