internal PcreRefCallout(ReadOnlySpan <char> subject, InternalRegex regex, Native.pcre2_callout_block *callout)
{
_subject = subject;
_regex = regex;
_callout = callout;
_oVector = null;
}
public int Call(Native.pcre2_callout_block *callout)
{
try
{
if (_subject != null)
{
var func = (Func <PcreCallout, PcreCalloutResult>)_callout;
return((int)func(new PcreCallout(_subject, _regex, callout)));
}
else
{
var func = (PcreRefCalloutFunc)_callout;
return((int)func(new PcreRefCallout(_subjectSpan, _regex, callout)));
}
}
catch (Exception ex)
{
Exception = ex;
return(PcreConstants.ERROR_CALLOUT);
}
}
internal PcreCallout(string subject, InternalRegex regex, Native.pcre2_callout_block *callout)
{
_subject = subject;
_regex = regex;
_flags = callout->callout_flags;
Number = (int)callout->callout_number;
StartOffset = (int)callout->start_match;
CurrentOffset = (int)callout->current_position;
MaxCapture = (int)callout->capture_top;
LastCapture = (int)callout->capture_last;
PatternPosition = (int)callout->pattern_position;
NextPatternItemLength = (int)callout->next_item_length;
_markPtr = callout->mark;
_oVector = new uint[callout->capture_top * 2];
_oVector[0] = (uint)callout->start_match;
_oVector[1] = (uint)callout->current_position;
for (var i = 2; i < _oVector.Length; ++i)
{
_oVector[i] = callout->offset_vector[i].ToUInt32();
}
}
private static int CalloutHandler(Native.pcre2_callout_block *callout, void *data) => ToInteropInfo(data).Call(callout);
