[TYPO3-dev] cropHtml as new Feature for stdWrap

[Steffen Kamper]

Hi Masi,

"Martin Kutschker" <martin.kutschker-n0spam at no5pam-blackbox.net> schrieb im 
Newsbeitrag 
news:mailman.1.1168180573.18161.typo3-dev at lists.netfielders.de...
> Steffen Kamper schrieb:
>> Hi,
>>
>> I developed a function that allows cropHtml taking care of open tags.
>> I postet it here:
>> http://bugs.typo3.org/view.php?id=4747
>
> Is the output any different from strip_tags()? Besides it relies on the 
> DOM XML functions which may not be availabe if you haven't installed the 
> PECL lib.
>
of cause - the output gives you html!

> Besides what IMHO would make more sense is a sensitive cropping. Basically 
> there are two modes for cropping: crop to a given number of displayed 
> characters (glyphs) or a number of bytes. In the latter case you must also 
> take into account the character set (eg utf-8).
>
ok, this is no problem to extend it with a given charset.

> I will only address the former, suitable for content preview (eg news 
> teaser or fulltext search results), which cares only about displayed 
> characters and doesn't count the html tags.

the function counts only the displayed chars, not the tags or chars in the 
tagss
>
> What should be done is this assuming well formed (X)HTML:

this has to be given anyway.
>
> Scan the content and count only the lengths of the text nodes. While doing 
> this collect the opened tags on a stack. If the maximum character length 
> is reached add the crop chars (eg "...") and close all open tags using the 
> tag stack.
>
> Masi

that is exactly what this function does !

vg  Steffen