using System;

namespace Foodsoft.Alpm
{
    public static class API
    {
        public static readonly string Version = alpm.alpm_version();

        internal static void WrapError(SafeAlpmHandle h, Func<int> f)
        {
            var err = f();
            if (err != 0)
            {
                throw new Exception(alpm.alpm_errno(h));
            }
        }
        
        /*
         * Handles the pattern where <0 is exceptional, but 1 is some "false"
         * condition.
         */
        internal static bool WrapErrorBool(SafeAlpmHandle h, Func<int> f)
        {
            var err = f();
            if (err < 0)
            {
                throw new Exception(alpm.alpm_errno(h));
            }
            return err == 0;
        }

    }
}