public void Build()
{
HasPathSeparators = false;
Asterisk lastAsterisk = null;
int fixedItemsLength = 0;
for (int i = 0; i < Count; i++)
{
var item = this[i];
if (item is PathSeparator || item is DoubleAsterisk)
{
HasPathSeparators = true;
}
switch (item)
{
case Literal literal:
if (lastAsterisk != null && lastAsterisk.LiteralAfterAsterisk == -1)
{
lastAsterisk.LiteralAfterAsterisk = i;
}
fixedItemsLength += literal.Source.Length;
break;
case PathSeparator _:
if (lastAsterisk != null && lastAsterisk.LiteralAfterAsterisk == -1)
{
lastAsterisk.LiteralAfterAsterisk = i;
}
// First slash after ** could be skipped
if (!(lastAsterisk is DoubleAsterisk) || fixedItemsLength > 0)
{
fixedItemsLength += 1;
}
break;
case OneChar _:
fixedItemsLength += 1;
break;
case Asterisk item1:
if (lastAsterisk != null)
{
lastAsterisk.NextAsterisk = item1;
lastAsterisk.FixedItemsLengthAfterAsterisk = fixedItemsLength;
}
fixedItemsLength = 0;
lastAsterisk = item1;
break;
}
}
}
bool CheckMatchedByAsterisk(Asterisk asteriskItem, bool first, int oldStartPos, int newStartPos)
{
if (asteriskItem is SimpleAsterisk)
{
if (first && newStartPos == oldStartPos)
{
// a/b/ should *not* match "a/b/*"
bool atStart = newStartPos == 0 || IsPathSeparator(myOptions, myStr[newStartPos - 1]);
bool atEnd = newStartPos == myStr.Length || IsPathSeparator(myOptions, myStr[newStartPos]);
if (atStart && atEnd)
{
return(false);
}
}
if (newStartPos > oldStartPos)
{
if (myStr.IndexOfAny(PathSeparatorChars, oldStartPos, newStartPos - oldStartPos) != -1)
{
return(false);
}
if (first && myStr[oldStartPos] == '.' && !CheckDot(oldStartPos))
{
return(false);
}
}
}
if (asteriskItem is DoubleAsterisk && newStartPos > oldStartPos)
{
int length = newStartPos - oldStartPos;
if (newStartPos < myStr.Length)
{
// We also search for dot immediately after **. For example, pattern **.hidden shouldn't be matched by **/.hidden
length++;
}
var dotPos = myStr.IndexOf('.', oldStartPos, length);
if (dotPos != -1)
{
if (!CheckDot(dotPos))
{
return(false);
}
}
}
return(true);
}