|
static private CoerceBytes ( object obj ) : IList |
||
| obj | object | |
| return | IList |
|
internal static bool EndsWith(this IList <byte> /*!*/ bytes, PythonTuple /*!*/ suffix, int start)
{
int len = bytes.Count;
if (start > len)
{
return(false);
}
// map the negative indice to its positive counterpart
if (start < 0)
{
start += len;
if (start < 0)
{
start = 0;
}
}
foreach (object obj in suffix)
{
if (bytes.Substring(start).EndsWith(ByteOps.CoerceBytes(obj)))
{
return(true);
}
}
return(false);
}
internal static bool StartsWith(this IList <byte> /*!*/ bytes, PythonTuple /*!*/ prefix, int start)
{
int len = bytes.Count;
if (start > len)
{
return(false);
}
if (start < 0)
{
start += len;
if (start < 0)
{
start = 0;
}
}
foreach (object obj in prefix)
{
if (bytes.Substring(start).StartsWith(ByteOps.CoerceBytes(obj)))
{
return(true);
}
}
return(false);
}
internal static bool EndsWith(this IList <byte> bytes, PythonTuple suffix)
{
foreach (object?obj in suffix)
{
if (bytes.EndsWith(ByteOps.CoerceBytes(obj)))
{
return(true);
}
}
return(false);
}
internal static bool StartsWith(this IList <byte> /*!*/ bytes, PythonTuple /*!*/ prefix)
{
foreach (object obj in prefix)
{
if (bytes.StartsWith(ByteOps.CoerceBytes(obj)))
{
return(true);
}
}
return(false);
}
internal static bool StartsWith(this IList <byte> /*!*/ bytes, PythonTuple /*!*/ prefix, int start, int end)
{
int len = bytes.Count;
if (start > len)
{
return(false);
}
// map the negative indices to their positive counterparts
else if (start < 0)
{
start += len;
if (start < 0)
{
start = 0;
}
}
if (end >= len)
{
end = len;
}
else if (end < 0)
{
end += len;
if (end < 0)
{
return(false);
}
}
if (end < start)
{
return(false);
}
foreach (object obj in prefix)
{
if (bytes.Substring(start, end - start).StartsWith(ByteOps.CoerceBytes(obj)))
{
return(true);
}
}
return(false);
}
