RE: [PHP-WIN] DOM

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