/*
 * Eina Value examples.
 *
 * These examples demonstrate how to work with Eina_value data and methods.
 * Eina_Value is a way to represent and pass data of varying types and to
 * convert efficiently between them.
 * Eina_Value can even define structs for managing more complex requirements.
 */

using System;

public class Example
{
    static void ValueInt()
    {
        int i;

        // Setting up an integer value type
        var int_val = new Eina.Value(Eina.ValueType.Int32);
        int_val.Set(123);
        int_val.Get(out i);
        Console.WriteLine("int_val value is {0}", i);

        // It can easily be converted to a string
        string str = int_val.ToString();
        Console.WriteLine("int_val to string is \"{0}\"", str);
    }

    static void ValueString()
    {
        string str;

        // Setting up an string value type
        var str_val = new Eina.Value(Eina.ValueType.String);
        str_val.Set("My string");
        str_val.Get(out str);
        Console.WriteLine("str_val value is \"{0}\"", str);

        // To string should have the same content
        string newstr = str_val.ToString();
        Console.WriteLine("str_val to string is \"{0}\"", newstr);
    }

    static void ValueConvert()
    {
        // Set up string and int types to convert between
        var str_val = new Eina.Value(Eina.ValueType.String);
        var int_val = new Eina.Value(Eina.ValueType.Int32);

        // Convert from int to string:
        int i1;
        string str1;
        int_val.Set(123);
        int_val.Get(out i1);
        int_val.ConvertTo(str_val);
        str_val.Get(out str1);
        Console.WriteLine("int_val was {0}, converted to string is \"{1}\"", i1, str1);

        // And the other way around!
        int i2;
        string str2;
        str_val.Set("33");
        str_val.Get(out str2);
        str_val.ConvertTo(int_val);
        int_val.Get(out i2);
        Console.WriteLine("str_val was \"{0}\", converted to int is {1}", str2, i2);
    }

    public static void Main()
    {
        Efl.All.Init();

        ValueInt();
        Console.WriteLine("");

        ValueString();
        Console.WriteLine("");

        ValueConvert();
        Console.WriteLine("");

        Efl.All.Shutdown();
    }
}