static public IEnumerable <T> TruncateRandom <T>(this IEnumerable <T> item, RandIntSource source, int limit = 0)
{
List <T> list = item.ToList();
list.RemoveEndingRandom(source, limit);
return(list);
}
static public string ReadRandomLine(this StreamSystem item, string path, RandIntSource source, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
string output;
item.AttemptReadRandomLine(path, out output, source, milliseconds);
return(output);
}
static public IEnumerable <T> OffsetRandom <T>(this IEnumerable <T> item, RandIntSource source, int limit = int.MaxValue)
{
List <T> list = item.ToList();
list.RemoveBeginningRandom(source, limit);
return(list);
}
static public IEnumerable <T> Randomize <T>(this IEnumerable <T> item, RandIntSource source)
{
List <T> list = item.ToList();
list.Shuffle(source);
return(list);
}
static public void Shuffle <T>(this IList <T> item, RandIntSource source)
{
for (int i = 0; i < item.Count; i++)
{
item.SwapValues(i, source.GetBetween(i, item.Count));
}
}
static public string ReadTextRandomLine(this Stream item, RandIntSource source)
{
StreamReader reader = new StreamReader(item);
if (item.CanSeek)
{
item.Position = source.GetIndex((int)item.Length);
if (reader.ReadLine() != null)
{
string line = reader.ReadLine();
if (line != null)
{
return(line);
}
}
item.Position = 0;
return(reader.ReadLine());
}
return(reader.ReadLines().ToList().GetRandom(source));
}
public RandIntBox(RandIntSource s)
{
source = s;
}
static public AttemptResult AttemptReadRandomLine(this StreamSystem item, string path, Process <string> process, RandIntSource source, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
return(item.AttemptRead(path, delegate(Stream stream) {
process(stream.ReadTextRandomLine(source));
}, milliseconds));
}
static public AttemptResult AttemptReadRandomLine(this StreamSystem item, string path, out string output, RandIntSource source, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
return(item.AttemptReadRandomLine(path, s => s, out output, source, milliseconds));
}
public RandIntBox_Between(int na, int nb, RandIntSource s) : base(s)
{
a = na;
b = nb;
}
static public AttemptResult AttemptReadRandomLine <T>(this StreamSystem item, string path, Operation <T, string> operation, out T output, RandIntSource source, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
T temp = default(T);
AttemptResult result = item.AttemptReadRandomLine(path, delegate(string line) {
temp = operation(line);
}, source, milliseconds);
if (result.IsDesired())
{
output = temp;
}
else
{
output = default(T);
}
return(result);
}
static public T GetRandom <T>(this IList <T> item, RandIntSource source)
{
return(item.Get(source.GetIndex(item.Count)));
}
static public void RemoveEndingRandom <T>(this IList <T> item, RandIntSource source, int index_limit = 0)
{
item.RemoveEnding(source.GetIndex(item.Count).BindAbove(index_limit));
}
static public void RemoveBeginningRandom <T>(this IList <T> item, RandIntSource source, int index_limit = int.MaxValue)
{
item.RemoveBeginning(source.GetIndex(item.Count).BindBelow(index_limit));
}
static public IEnumerable <T> GetMultipleRandom <T>(this IList <T> item, int count, RandIntSource source)
{
for (int i = 0; i < count; i++)
{
yield return(item.GetRandom(source));
}
}
static public IEnumerable <T> RotateRandom <T>(this IList <T> item, RandIntSource source)
{
return(item.RotateLooped(source.Get()));
}
public RandFloatSource_IntSource(RandIntSource i)
{
int_source = i;
}
static public T ReadRandomLine <T>(this StreamSystem item, string path, Operation <T, string> operation, RandIntSource source, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
T output;
item.AttemptReadRandomLine <T>(path, operation, out output, source, milliseconds);
return(output);
}
