On Wed, May 25, 2011 at 14:04, Ludo Brands <ludo.bra...@free.fr> wrote:
> > So you suggest to place the & translation last. > That would be a solution for this problem. My previous comments on the > "minimalistic" approach of the implementation suggest a different approach: > scan the source string once and replace html entities as you find them (with > a look up table for example). This would scale much better when implementing > iso-8859-1 or '&#entity-number;' unescaping . > For every html entity you need a dictionary, and that's makes your program with more fat. converting number entity can be done, but you need to know what is the code page you wish to convert from/to. > > Ludo > Ido > -----Message d'origine----- > *De :* fpc-pascal-boun...@lists.freepascal.org [mailto: > fpc-pascal-boun...@lists.freepascal.org] *De la part de* ik > *Envoyé :* mercredi 25 mai 2011 09:22 > > *À :* FPC-Pascal users discussions > *Objet :* Re: RE : Re[2]: [fpc-pascal] fpWeb and html and > uriescaping/unescapingelements > > On Wed, May 25, 2011 at 10:09, Ludo Brands <ludo.bra...@free.fr> wrote: > >> You should not unescape recursively. >> Input to EscapeHTML: '<' Output: '&lt;' : Correct >> UnescapeHTML: input '&lt;' Output '<' Wrong. >> This is because you replace '&' with '&' resulting in '<' which is >> translated to '< ' in the next line. >> > > So you suggest to place the & translation last. > > >> >> Ludo >> >> >> >> -----Message d'origine----- >> *De :* fpc-pascal-boun...@lists.freepascal.org [mailto: >> fpc-pascal-boun...@lists.freepascal.org] *De la part de* ik >> *Envoyé :* mercredi 25 mai 2011 08:34 >> *À :* FPC-Pascal users discussions >> *Objet :* Re: Re[2]: [fpc-pascal] fpWeb and html and uri >> escaping/unescapingelements >> >> >> >> >> On Tue, May 24, 2011 at 12:21, José Mejuto <joshy...@gmail.com> wrote: >> >>> Hello FPC-Pascal, >>> >>> Tuesday, May 24, 2011, 10:09:03 AM, you wrote: >>> >>> i> I've created a patch with the Escape and unEscape functions, and place >>> it >>> i> here: http://bugs.freepascal.org/view.php?id=19407 >>> >>> Un/escapeHTML parsing must be in one go, specially the "&" one. Test >>> against: >>> >>> "&lt;" >>> >> >> I'm not sure what you mean here. >> >> If you have already html entities you should not escape them. If you do >> not have html entities you should escape them. >> The Escaping and unescaping works well, I already tested them before I >> sent them. >> >> >> >>> >>> Right unescape "<", your code "<". >>> >>> -- >>> Best regards, >>> José >>> >> >> Ido >> >> >>> >>> _______________________________________________ >>> fpc-pascal maillist - fpc-pascal@lists.freepascal.org >>> http://lists.freepascal.org/mailman/listinfo/fpc-pascal >>> >> >> >> _______________________________________________ >> fpc-pascal maillist - fpc-pascal@lists.freepascal.org >> http://lists.freepascal.org/mailman/listinfo/fpc-pascal >> > > > _______________________________________________ > fpc-pascal maillist - fpc-pascal@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-pascal >
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