private static bool IsPrecededByWhitespace(ref TextPtr ptr)
{
TextPtr ptr2 = ptr - 1;
char c = ptr2.Char;
return(ptr2.IsOutOfBounds() || (char.IsWhiteSpace(c) || !char.IsLetterOrDigit(c)));
}
private static bool IsPrecededByWhitespace(ref TextPtr ptr)
{
TextPtr ptr2 = ptr - 1;
char c = ptr2.Char;
if (!ptr2.IsOutOfBounds() && !char.IsWhiteSpace(c))
{
return(!char.IsLetterOrDigit(c));
}
return(true);
}
public static void FindAll(string source, List <MyWaypointInfo> gpsList)
{
TextPtr ptr = new TextPtr(source);
gpsList.Clear();
while (!ptr.IsOutOfBounds())
{
MyWaypointInfo info;
if (((char.ToUpperInvariant(ptr.Char) != 'G') || !IsPrecededByWhitespace(ref ptr)) || !TryParse(ref ptr, out info))
{
ptr += 1;
continue;
}
gpsList.Add(info);
}
}
public static bool TryParse(string text, out MyWaypointInfo gps)
{
if (text == null)
{
gps = Empty;
return(false);
}
TextPtr ptr = new TextPtr(text);
bool flag = TryParse(ref ptr, out gps);
if (flag && !ptr.IsOutOfBounds())
{
gps = Empty;
return(false);
}
return(flag);
}
public static void FindAll(string source, List <MyWaypointInfo> gpsList)
{
TextPtr ptr = new TextPtr(source);
gpsList.Clear();
while (!ptr.IsOutOfBounds())
{
MyWaypointInfo info;
if (((char.ToUpperInvariant(ptr.Char) == 'G') && IsPrecededByWhitespace(ref ptr)) && TryParse(ref ptr, out info))
{
gpsList.Add(info);
}
else
{
ptr = TextPtr.op_Increment(ptr);
}
}
}
private static bool GrabSegment(ref TextPtr ptr, out StringSegment segment)
{
if (ptr.IsOutOfBounds())
{
segment = new StringSegment();
return(false);
}
TextPtr ptr2 = ptr;
while (!ptr.IsOutOfBounds() && (ptr.Char != ':'))
{
ptr = TextPtr.op_Increment(ptr);
}
if (ptr.Char != ':')
{
segment = new StringSegment();
return(false);
}
segment = new StringSegment(ptr2.Content, ptr2.Index, ptr.Index - ptr2.Index);
ptr = TextPtr.op_Increment(ptr);
return(true);
}
private static bool TryParse(ref TextPtr ptr, out MyWaypointInfo gps)
{
StringSegment segment;
StringSegment segment2;
StringSegment segment3;
StringSegment segment4;
while (char.IsWhiteSpace(ptr.Char))
{
ptr = TextPtr.op_Increment(ptr);
}
if (!ptr.StartsWithCaseInsensitive("gps:"))
{
gps = Empty;
return(false);
}
ptr += 4;
if (!GrabSegment(ref ptr, out segment))
{
gps = Empty;
return(false);
}
if (!GrabSegment(ref ptr, out segment2))
{
gps = Empty;
return(false);
}
if (!GrabSegment(ref ptr, out segment3))
{
gps = Empty;
return(false);
}
if (GrabSegment(ref ptr, out segment4))
{
double num;
double num2;
double num3;
while (char.IsWhiteSpace(ptr.Char))
{
ptr = TextPtr.op_Increment(ptr);
}
if (!double.TryParse(segment2.ToString(), NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
gps = Empty;
return(false);
}
if (!double.TryParse(segment3.ToString(), NumberStyles.Any, CultureInfo.InvariantCulture, out num2))
{
gps = Empty;
return(false);
}
if (!double.TryParse(segment4.ToString(), NumberStyles.Any, CultureInfo.InvariantCulture, out num3))
{
gps = Empty;
return(false);
}
string name = segment.ToString();
gps = new MyWaypointInfo(name, num, num2, num3);
return(true);
}
gps = Empty;
return(false);
}
