[webkit-dev] Grammer for html parsing
vniles at gmail.com
Sat Feb 14 22:03:20 PST 2009
I used to receive webkit-dev mails without fail till 11th Feb. But now
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Thanks & Regards
On Tue, Feb 10, 2009 at 1:57 AM, Shariq Rizvi <shariq at rizvi.org> wrote:
> On Mon, Feb 9, 2009 at 12:23 PM, Nilesh Patil <vniles at gmail.com> wrote:
>> Yeah.... But still have a doubt. Doesn't it need to compare tags with
>> what ever has come as response? i mean if some data comes then webkit
>> must be identifying it in terms of HTML tags or other type of data. So
>> is there no need of string comparison of actual HTML tags ?
> It is the job of the tokenizer (HTMLTokenizer.cpp) to read the HTML "tags"
> in the document and collect them into "tokens" (class Token). Once a Token
> has been created, the tokenizer calls the parser (HTMLParser.cpp) to create
> a DOM node and put it in the right place in the DOM tree.
> Hence, the "string comparison" that you mention is going on inside the
> tokenizer (during its reading of a tag to create a Token).
>> THanks & Regards
>> On 2/9/09, Darin Adler <darin at apple.com> wrote:
>> > On Feb 9, 2009, at 3:58 AM, Nilesh Patil wrote:
>> >> I need to know where does grammer for html Parser has been defined
>> >> in webkit. Is it a string based comparison directly with tags or
>> >> done any other way?
>> > The source files are HTMLTokenizer.cpp and HTMLParser.cpp. It doesn't
>> > use a parser generator such as yacc or bison or a lexer generator such
>> > as lex or flex, if that's what you're asking.
>> > -- Darin
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