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Article #15996Re: Strumień filtering_stream tworzony dwuetapowo przy pomocy biblioteki boost.IOStreams
From: A.L.
Date: Sat, 31 Mar 2007 03:10
Date: Sat, 31 Mar 2007 03:10
24 lines
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1484 bytes
On 27 Mar 2007 03:17:25 -0700, Miroslaw.Makowiecki@gmail.com wrote:
>Mamy oto kod:
>//strumień1
>filtering_stream<input> stream1;
>stream1.push(Liczenie_znakow());
>stream1.push(LIczenie_sumy_md5());
>stream1.push(liczenie_sumy_sha1());
>std::fstream file("/home/gigat/duzy_plik.iso");
>//strumień2
>filtering_stream<input> stream2;
>stream2.push(Liczenie_sumy_sha256());
>stream2.push(Liczenie_kolejnych_linni());
>stream2.push(gzip_decompressor());
>stream2.push(stream1);
>Jak wiemy linia stream2.push(stream1) powoduje że strumień stream2
>jest mało wydajny,
Ja nie wiem.
A.L.
P.S. To ktos jescze uzywa C++?...
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!newsfeed.gazeta.pl!news.nask.pl!news.nask.org.pl!uw.edu.pl!newsgate.cistron.nl!xs4all!news.tele.dk!news.tele.dk!small.news.tele.dk!sn-xt-sjc-02!sn-xt-sjc-08!sn-post-sjc-01!supernews.com!corp.supernews.com!not-for-mail From: A.L. <fela@2005.com> Newsgroups: pl.comp.objects Subject: Re: Strumień filtering_stream tworzony dwuetapowo przy pomocy biblioteki boost.IOStreams Date: Fri, 30 Mar 2007 22:10:20 -0500 Organization: Posted via Supernews, http://www.supernews.com Message-ID: <f7kr039ktpckqatoohvoq714utkqivlpru@4ax.com> References: <1174990645.516467.275370@n59g2000hsh.googlegroups.com> X-Newsreader: Forte Agent 4.2/32.1117 MIME-Version: 1.0 X-Complaints-To: abuse@supernews.com Lines: 24 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit