RE: [PHP-WIN] DOM

Have fun. At 18:29 14.1. 2001, James Duncan wrote the following: -------------------------------------------------------------- >Oh that sounds promising... I will have to go check their website myself now >;) Thanks for all your help on this matter! > >James > > >-----Original Message----- >From: Cynic [mailto:cynic@mail.cz] >Sent: 14 January 2001 17:14 >To: James Duncan >Cc: php-windows@lists.php.net >Subject: RE: [PHP-WIN] DOM > >Well, after writing that mail I checked libxml's homepage, and >it seems they've managed to build in an HTML mode, so maybe >it's forgiving enough to parse really anything. > > >At 18:06 14.1. 2001, James Duncan wrote the following: >-------------------------------------------------------------- >>But I thought you said that the DOM XML wouldn't parse a normal HTML web >>page because 98% of web pages aren't truly XML compatible and the XML >parser >>would die with an error message(s)? >> >>I want to be able to feed the parser any old HTML web page and read the >node >>values from the DOM (created by the parser), just like I do with IE and >>Javascript. >> >>Thanks >> >>PS: I am learning slowly so don't get tooooo mad with me ;) >> >> >>-----Original Message----- >>From: Cynic [mailto:cynic@mail.cz] >>Sent: 14 January 2001 17:01 >>To: James Duncan; mstearne@entermix.com >>Cc: php-windows@lists.php.net >>Subject: RE: [PHP-WIN] DOM >> >>What you want has already been done, with two different >>approaches: DOM XML functions and Sablotron functions (SAX >>interface). Just use one of these modules in your script. >> >> >>At 16:28 14.1. 2001, James Duncan wrote the following: >>-------------------------------------------------------------- >>>As I'm asking stupid questions at the moment: Could someone write an >>>(XML/HTML?) parser for PHP that exposes the DOM in the same way as the >>>Javascript one does in IE 5? This would allow me to access the node >>elements >>>(#text, etc) via PHP on an HTML file stored on the server in the same way >>as >>>I can via Javascript in IE 5? Why do I want to do this? It would allow me >>to >>>download a web page, parse it into a DOM tree-structure, loop through all >>>#text nodes and extract all the textual data. This would make capturing >>>textual data from an HTML file so much easier than attempting to strip all >>>the HTML tags, etc. The parser would only need to support a "read" mode >for >>>my requirements, which should simplify the parser (it wouldn't need to >>worry >>>about updating node values, etc or writing them back to the HTML file). It >>>sounds like a good idea to me but I might be way off course... >>> >>>This would allow all work to be performed server-side, whereas at the >>moment >>>I'm having to send the HTML file to IE, run Javascript DOM code to extract >>>the #text values, dump those values into a hidden field and post the data >>>back to the server, where PHP can process it. >>> >>>Thanks >>> >>>James >>> >>>-----Original Message----- >>>From: Cynic [mailto:cynic@mail.cz] >>>Sent: 14 January 2001 01:38 >>>To: James Duncan; mstearne@entermix.com >>>Cc: php-windows@lists.php.net >>>Subject: RE: [PHP-WIN] DOM >>> >>>It's not PHP vs. DOM. It's XML (DOM) vs. (bad) HTML. PHP just >>>provides you with an interface to an XML parser. >>> >>>www.php4win.de >>> >>> >>>At 01:14 14.1. 2001, James Duncan wrote the following: >>>-------------------------------------------------------------- >>>>Yikes. I'm just reading more about DOM and PHP at the moment on the >>>>PHPBuilder website. >>>> >>>>Does anyone have a version of PHP complied with DOM support included for >>>>Windows (I'm developing on a Windows system before moving it over to >>>Linux - >>>>RedHat)? >>>> >>>>So loading any old web page and trying to construct a DOM document from >it >>>>via PHP isn't going to work? How does IE v5 manage to parse the same web >>>>page correctly (or what seems to be correctly)? I've already read in the >>>DOM >>>>table node elements #text and their values via Javascript in IE. >>>> >>>>Still learning lots ;) >>>> >>>>Thanks >>>> >>>>James >>>> >>>> >>>>-----Original Message----- >>>>From: Cynic [mailto:cynic@mail.cz] >>>>Sent: 14 January 2001 00:07 >>>>To: James Duncan; mstearne@entermix.com >>>>Cc: php-windows@lists.php.net >>>>Subject: RE: [PHP-WIN] DOM >>>> >>>>I should warn you that XML functions require the document to be >>>>very 'correct'. Most (I guess 98%... I wish browsers weren't so >>>>forgiving, all might've been much easier and better) of HTML >>>>pages on the internet basically aren't HTML (which is a son of >>>>SGML, and an older, heavily cripled brother of XML), and even >>>>strict HTML isn't XML compliant up to XHTML 1.0, which is the >>>>latest version of HTML, fully XML compliant. >>>>If you'll try to load such document into an XML parser, it'll >>>>die with an error message, because XML requires the document >>>>to be well-formed. >>>> >>>>At 00:54 14.1. 2001, James Duncan wrote the following: >>>>-------------------------------------------------------------- >>>>>Ah rite... thanks for the info. As I said I'm very new to all of this >and >>>>>reading lots, whilst trying to make sense of it all ;) So it is possible >>>to >>>>>use PHP to access DOM elements (via the XML DOM library) created from an >>>>>HTML source file (a code example would be very handy)? Does anyone know >>if >>>>>an XML parser will be built into PHP in the future? I then assume I >could >>>>>access DOM elements from an HTML file in the same easy way as I can via >>>>>Javascript in IE? >>>>> >>>>>Thanks >>>>> >>>>>James >>>>> >>>>> >>>>>-----Original Message----- >>>>>From: Cynic [mailto:cynic@mail.cz] >>>>>Sent: 13 January 2001 23:22 >>>>>To: James Duncan; mstearne@entermix.com >>>>>Cc: php-windows@lists.php.net >>>>>Subject: RE: [PHP-WIN] DOM >>>>> >>>>>You don't understand the basic concept. >>>>> >>>>>DOM (Document Object Model) is a tree representing the structure >>>>>of a document, where the elements (logically separated parts of) >>>>>content is enclosed within tags to allow for computerized >>>>>processing. IE exposes it's own version of DOM through its >>>>>implementations of JS. If you want to access and manipulate a HTML >>>>>document in PHP using this tree-like abstraction (DOM), you will >>>>>have to use XML DOM library. No XML parser is an integral part of >>>>>the language. >>>>> >>>>> >>>>>At 18:20 13.1. 2001, James Duncan wrote the following: >>>>>-------------------------------------------------------------- >>>>>>I don't think this will work in my case because I don't control >>>>>>the >>>layout >>>>>>of the HTML page and hence can't add the hidden fields. I'm >>>>>>downloading >>>>the >>>>>>HTML pages from a website. It would require as much work to insert the >>>>>>hidden fields as trying to strip the HTML tags in an attempt to read >the >>>>>>data directly from the HTML page itself. There must be a way to access >>>the >>>>>>DOM directly from PHP? I notice in the manual there is a section >>>regarding >>>>>>XML DOM but not the DOM itself. >>>>>> >>>>>>Are the DOM values only available on the client? If that's the case >then >>>>>PHP >>>>>>can't be used to read them because it's limited to the server >>>>>>side? >>>>>> >>>>>>Thanks >>>>>> >>>>>>James >>>>>> >>>>>>-----Original Message----- >>>>>>From: Michael Stearne [mailto:mstearne@entermix.com] >>>>>>Sent: 13 January 2001 17:06 >>>>>>To: James Duncan >>>>>>Cc: php-windows@lists.php.net >>>>>>Subject: Re: [PHP-WIN] DOM >>>>>> >>>>>>Could you do something like: >>>>>> >>>>>>myForm.myField.value=tablejames.firstChild.childNodes[1].childNodes[4]. >f >>i >>>r >>>>s >>>>>t >>>>>>Child.firstChild.node Value; >>>>>> >>>>>>Set up a form of hidden fields. Extract the values from the DOM and >>then >>>>>>have the user hit a Submit button to get to the next page. At that >>point >>>>>>the values that were collected and put into the hidden form fields will >>>be >>>>>>submitted and you next page (the PHP page) could INSERT the values into >>>>the >>>>>>database, >>>>>> >>>>>>Michael >>>>>> >>>>>> >>>>>>On Friday, January 12, 2001, at 07:30 PM, James Duncan wrote: >>>>>> >>>>>>> Hi folks, >>>>>>> >>>>>>> I'm still new to HTML, Javascript and PHP but learning (fast >>>hopefully). >>>>>>> I've just started accessing DOM elements. I have worked out how to >>>>update >>>>>>> the contents of table cells directly using this method, etc. In >>>>>Javascript >>>>>>I >>>>>>> would use code like: >>>>>>> >>>>>>> alert("Value is: " + >>>>>>> >>>>>>tablejames.firstChild.childNodes[1].childNodes[4].firstChild.firstChild >. >>n >>>o >>>>d >>>>>e >>>>>>> Name); >>>>>>> alert("Value is: " + >>>>>>> >>>>>>tablejames.firstChild.childNodes[1].childNodes[5].firstChild.firstChild >. >>n >>>o >>>>d >>>>>e >>>>>>> Value); >>>>>>> >>>>>>> This Javascript shows the name and value of the child element. >>>>>>> >>>>>>> Now I want to use PHP to extract data (values) from HTML pages like I >>>do >>>>>>> with the above Javascript. Is this possible? Obviously with the >>>>>Javascript >>>>>>> the HTML page has already been rendered in the browser (i.e. all tree >>>>>>> elements have been created). This makes extracting data a simple case >>>of >>>>>>> finding the "#text" elements and reading in the values. Can I >>>>>>> do the >>>>same >>>>>>> thing with PHP and an HTML file I've downloaded from the Internet? >>>>>>Obviously >>>>>>> this file is sitting on my server and hasn't been rendered in a >>>>>browser... >>>>>>> >>>>>>> The whole point of this exercise is so that I can extract values from >>>an >>>>>>> HTML table and populate them into a database. Maybe it's easier to >>>>>process >>>>>>> the HTML file line by line and strip the unwanted HTML tags? However, >>>>>with >>>>>>> this approach I've got to hardcode each webpage... >>>>>>> >>>>>>> If this is a silly question then sorry but you only learn if you ask >>;) >>>>>>> >>>>>>> Thanks >>>>>>> >>>>>>> James >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> PHP Windows Mailing List (http://www.php.net/) >>>>>>> To unsubscribe, e-mail: php-windows-unsubscribe@lists.php.net >>>>>>> For additional commands, e-mail: php-windows-help@lists.php.net >>>>>>> To contact the list administrators, e-mail: >>>php-list-admin@lists.php.net >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>>-- >>>>>>PHP Windows Mailing List (http://www.php.net/) >>>>>>To unsubscribe, e-mail: php-windows-unsubscribe@lists.php.net >>>>>>For additional commands, e-mail: php-windows-help@lists.php.net >>>>>>To contact the list administrators, e-mail: >php-list-admin@lists.php.net >>>>>------end of quote------ >>>>> >>>>> >>>>> >>>>>____________________________________________________________ >>>>>Cynic: >>>>> >>>>>A member of a group of ancient Greek philosophers who taught >>>>>that virtue constitutes happiness and that self control is >>>>>the essential part of virtue. >>>>> >>>>>cynic@mail.cz >>>>------end of quote------ >>>> >>>> >>>> >>>>____________________________________________________________ >>>>Cynic: >>>> >>>>A member of a group of ancient Greek philosophers who taught >>>>that virtue constitutes happiness and that self control is >>>>the essential part of virtue. >>>> >>>>cynic@mail.cz >>>------end of quote------ >>> >>> >>> >>>____________________________________________________________ >>>Cynic: >>> >>>A member of a group of ancient Greek philosophers who taught >>>that virtue constitutes happiness and that self control is >>>the essential part of virtue. >>> >>>cynic@mail.cz >>------end of quote------ >> >> >> >>____________________________________________________________ >>Cynic: >> >>A member of a group of ancient Greek philosophers who taught >>that virtue constitutes happiness and that self control is >>the essential part of virtue. >> >>cynic@mail.cz >------end of quote------ > > > >____________________________________________________________ >Cynic: > >A member of a group of ancient Greek philosophers who taught >that virtue constitutes happiness and that self control is >the essential part of virtue. > >cynic@mail.cz ------end of quote------ ____________________________________________________________ Cynic: A member of a group of ancient Greek philosophers who taught that virtue constitutes happiness and that self control is the essential part of virtue. cynic@mail.cz