On Apr 16, 2009, at 11:42 PM, Vincent Massol wrote:

>
> On Apr 16, 2009, at 11:38 PM, Sergiu Dumitriu wrote:
>
>> Vincent Massol wrote:
>>> Hi,
>>>
>>> In the rendering code we have several places where we've had to  
>>> create
>>> generic string manipulation classes/methods (for example a method to
>>> remove a single NL at start and end of string).
>>> I think it would be better to create one or several components for
>>> these string manipulation methods (same as we have xwiki-xml for xml
>>> manipulation).
>>>
>>> The idea is that we should use existing framework as much as  
>>> possible
>>> (StringUtils from commons lang for ex) but when we cannot find an
>>> existing framework to manipulate text then we would put it in xwiki-
>>> text.
>>>
>>> WDYT?
>>>
>>
>> I don't know if this is really needed. StringUtils is supposed to  
>> be the
>> library for string manipulation.

I'd love that too and I'd be much happier without any extra module.  
Check CleanUtil.java in the converter module; you'll see it contains  
lots of utility methods.

>> Isn't StringUtils.removeStart(content,
>> "\n") + StringUtils.chomp(content) enough?
>
> removeStart removes all NL not only the first one. BTW it's not only  
> "\n" but "\n", "\r" or "\r\n".
>
>> If we just need a couple of methods on top of StringUtils, then I'd
>> rather not introduce a new component. Especially one that's as  
>> simple as
>> this one.

I think I prefer to have components rather than statics (same for  
XMLUtils btw which I started I know... :)) but that's a detail  
compared to the larger question of whether we want a xwiki-text module  
for containing all our generic text manipulation code. BTW it wouldn't  
be a single class. For example I envision one called WhitespaceUtil  
for all NL/WS manipulations.

I have thought about merging xwiki-xml and xwiki-text into something  
like xwiki-utils but I don't think it flies (especially since we have  
the HTML cleaner in xwiki-xml). Of course we could have xwiki-utils  
and another xwiki-html or xwiki-htmlcleaner module.

-Vincent

> Where would you put them then? Copy paste them?
>
> Right now for ex we have duplication in the 1.0 converter and in the  
> MacroTransformation.
>
> -Vincent

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