GraphForge/InputGraph.cpp at main · Mayukh-71/GraphForge · GitHub

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#include<bits/stdc++.h>
using namespace std;
int main()
{
    string a,b;
    int c;
    cout<<"Create a graph:-\n";
    cout<<"Enter 1 for Un-Directed Un-Weighted Graph\n";
    cout<<"Enter 2 for Un-Directed Weighted Graph\n";
    cout<<"Enter 3 for Directed Un-Weighted Graph\n";
    cout<<"Enter 4 for Directed Weighted Graph\n";
    cin>>c;
    cout<<"Enter the adjacent nodes(and weights) about which you want the edges. Press -1 to stop entering:-\n";
    string dotpath=/*Enter the full address of the dot file*/"\\Dot Files\\InputGraph.dot";
    ofstream dotfile(dotpath);
    streambuf* original_cout=cout.rdbuf();
    cout.rdbuf(dotfile.rdbuf());
    if(c==1)
    {
        cout<<"graph h\n{\n";
        while(1)
        {
            cin>>a;
            if(a=="-1")
                break;
            cin>>b;
            if(b=="-1")
                break;
            cout<<"\t"<<a<<" -- "<<b<<";\n";
        }
        cout<<"}\n";
    }
    else if(c==2)
    {
        cout<<"graph h\n{\n";
        while(1)
        {
            cin>>a;
            if(a=="-1")
                break;
            cin>>b;
            if(b=="-1")
                break;
            cin>>c;
            if(c==-1)
                break;
            cout<<"\t"<<a<<" -- "<<b<<"[label=\""<<c<<"\"];\n";
        }
        cout<<"}\n";
    }
    else if(c==3)
    {
        cout<<"digraph h\n{\n";
        while(1)
        {
            cin>>a;
            if(a=="-1")
                break;
            cin>>b;
            if(b=="-1")
                break;
            cout<<"\t"<<a<<" -> "<<b<<";\n";
        }
        cout<<"}\n";
    }
    else if(c==4)
    {
        cout<<"digraph h\n{\n";
        while(1)
        {
            cin>>a;
            if(a=="-1")
                break;
            cin>>b;
            if(b=="-1")
                break;
            cin>>c;
            if(c==-1)
                break;
            cout<<"\t"<<a<<" -> "<<b<<"[label=\""<<c<<"\"];\n";
        }
        cout<<"}\n";
    }
    else
        return 0;
    cout.rdbuf(original_cout);
    dotfile.close();
    cout<<"Dot Generation Successful..\n";
    cout<<"Generating Image\\\\\n";
    string pngpath=/*Enter the full address of the image file*/"\\Images\\InputGraphImage.png";
    string command="dot -Tpng \""+dotpath+"\" -o \""+pngpath+"\"";
    int result=system(command.c_str());
    if(result==0)
    {
        cout<<"Image Generation Successful..\n";
        string openCmd="start \"\" \""+pngpath+"\"";
        system(openCmd.c_str());
    }
    else
        cout<<"Error!!";
    return 0;
}