internal Matcher(Pattern parent, CharSequence text)
{
this.parentPattern = parent;
this.text = text;
// Allocate state storage
int parentGroupCount = Math.max(parent.capturingGroupCount, 10);
groups = new int[parentGroupCount * 2];
locals = new int[parent.localCount];
// Put fields into initial states
reset();
}
public Matcher usePattern(Pattern newPattern)
{
if (newPattern == null)
throw new IllegalArgumentException("Pattern cannot be null");
parentPattern = newPattern;
// Reallocate state storage
int parentGroupCount = Math.max(newPattern.capturingGroupCount, 10);
groups = new int[parentGroupCount * 2];
locals = new int[newPattern.localCount];
for (int i = 0; i < groups.Length; i++)
groups[i] = -1;
for (int i = 0; i < locals.Length; i++)
locals[i] = -1;
return this;
}