[texworks] Scripting: Libraries: FYI - compilation of equivalent PHP functions for Qt/JavaScript

[Paul A Norman]

P.S. in examples just given "Brian" should be in title case.

Paul

On 31 October 2010 20:29, Paul A Norman <paul.a.norman at gmail.com> wrote:
> Ok,
>
> I've worked through a proof of concept and this looks very feasible,
> in fact I'm using it in every day work now.
>
> In it I have used a work around in the meanwhile for loading ECMA libraries.
>
> And wrapped a number of properties and functions in an object called $Tw
>
> The php_js functions are in an object called $PhpJs detailed in
> phpjs.namespaced.js from their web site (
> http://phpjs.org/packages/configure ).  There would be some editing of
> phpjs.namespaced.js needed longterm, but it provides very useful
> immediate functionality.
>
> Although php_js does not require it for its own use, I am temporarily
> relying on php to give me file read access in loading the needed
> JavaScript modules as shown here. This gets the first set of modules
> and top level functions in, after that all that would be required for
> extra JS libraries is       function module_load(module_name) ...
>
> ////////// Begin Preamble
>
> /*  Creates $Tw object with properties and helper functions
>    and a function in the current scope:  module_load()
>
>    And sets up  $phpjs = new PHP_JS();
>
>    See notes in scripts/mod_general.js    */
>
>   var scriptName = __FILE__ ;
>   var scriptRoot = __FILE__.substr(0,__FILE__.lastIndexOf("/")) ;
>   var scriptRoot = scriptRoot.substr(0,scriptRoot.lastIndexOf("/")+1) ;
>   var loadFile =  "\"" + scriptRoot + 'mod_loadFile.php\" mod_general.js';
> // Non-windows OSes won't need the cmd /c
>   var JavaScript = TW.app.system('cmd /c php ' +  loadFile);
>   eval(JavaScript);  /*  $Tw and $phpjs objects created  */
>
> ////////// END Preamble
>
> Here are some example calls (below) in a Tw QtScript and results,
> moving from what we'd expect EMCA to do any way, to extras.
>
> If any one wants to look through this please drop me an email or a
> note here, and I'll try and put something of the current state of it
> up on the web for download. (Not sure how many are doing Scripting at
> present.)
>
> Paul
>
>  $Tw.alert($PhpJs.ucwords("hello this should appear in title case"));
>
>  http://dl.dropbox.com/u/13401476/general_images/texWorks_%24Tw.alert%28%24PhpJs.str_replace%28.jpg
>
>
>  $Tw.alert($PhpJs.sort("hello this should appear in title
> case".split(" ")).join(" "));
>
> http://dl.dropbox.com/u/13401476/general_images/texWorks_%24Tw.alert%28%24PhpJs.sort%28.jpg
>
>
>  $Tw.alert($PhpJs.str_replace(["this","title"],["Brian","lower"],"hello
> this should appear in title case"));
>
> http://dl.dropbox.com/u/13401476/general_images/texWorks_%24Tw.alert%28%24PhpJs.str_replace.jpg
>
>
>  $Tw.alert( $Tw.file_get_contents("c:/windows/php.ini") );
>
> http://dl.dropbox.com/u/13401476/general_images/texWorks_%24Tw.alert%28%20%24Tw.file_get_contents%28.jpg
>
>
>
> On 22 October 2010 17:43, Paul A Norman <paul.a.norman at gmail.com> wrote:
>> Hi,  FYI,
>>
>>      "Use PHP functions in JavaScript"
>>
>>  http://phpjs.org/pages/home
>>
>> Some very clever fellows have ported a considerable number of string
>> handling, array handling and other potentially very useful functions
>> across from php to EMCA style scripting, and made them all work as per
>> the PHP manual (documentation as it already exists).
>>
>>  http://phpjs.org/functions/index
>>
>> (I was thinking these may be useful for Qt scripting? There are of
>> course many things that would never be used - and perhaps a core set
>> of things we could tie into the TwApi perhaps thorugh a wrapper? like
>> a specialized  file_get_contents()  etc ...
>>
>> As said there would be many things that are too web orientated and
>> would never be used. And some stuff that wold be directly useful now.)
>>
>> Even more cleverly they have made their 'library' customisable
>> pre-download so that a script-developer could define their own
>> package(s) as needed, with only QtScript relevant functions and
>> dependencies in it.
>>
>>  http://phpjs.org/packages/configure
>>
>> Food for thought.
>>
>> Paul
>> ---- Quote from web site: ----
>>
>> "Use PHP functions in JavaScript"
>>
>> "php.js
>>
>> "php.js is an open source project that brings high-level PHP functions
>> to low-level JavaScript platforms such as web browsers, browser
>> extensions ( Mozilla/Firefox, Chrome ), AIR, and SSJS engines like V8
>> ( node.js, v8cgi ), Rhino, and SpiderMonkey ( CouchDB )
>>
>> "If you want to perform high-level operations on these platforms, you
>> probably need to write JS that combines its lower-level functions and
>> build it up until you have something useful like: strip_tags(),
>> strtotime(), number_format(), wordwrap().
>>
>> "That's what we are doing for you.
>>
>> "Pure JavaScript so no additional components required
>>
>