Re: Parser once, and filter more tags

Dear Oswald,

As you say, if we use OrFilter, the filtered result is mixed with many
node types.

I think the subsequent processing is more complex and more fallible,
such as regex, matching and so on

Is there any Function as,

nodelist[] {NA, NB} = FUNCTION(Filter[] {FA, FB})

or is there any easy subsequent processing?

Best Wishes,

-Lin


2011/5/7 Derrick Oswald <[email protected]>:
> Depending on what you want to do with the nodes, you should be able to get
> both in one pass with an OR filter:
> NodeFilter x = new OrFilter (A, B);
> This will give one list with both node types and you'll have to handle that
> in the subsequent processing.
>
> On Sun, May 1, 2011 at 4:56 AM, 丛林 <[email protected]> wrote:
>>
>> Hi, I am a freshman in htmlparser area.
>>
>> My problem is:
>> If I want to filter many tags, how can I complete it during one parser
>> with out reset this parser?
>>
>> For example:
>> NodeFilter A = new TagNameFilter("A");
>> NodeList a = new NodeList();
>>
>> NodeFilter B = new TagNameFilter("B");
>> NodeList b = new NodeList();
>>
>> Now, I have to fetch a and b with parser during two times:
>>
>> a = Parser.parser(A);
>> Parser.reset();
>> b = Parser.parser(B);
>>
>> Can I complete these once?
>> [a, b] = Parser.parser(A, B);
>> As you know, another Parser will consume more resourse.
>>
>>
>> Thanks for your help :-)
>>
>> Best Wishes,
>>
>> -LIn
>>
>>
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>
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