| 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
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| 2 | <HTML> |
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| 3 | <HEAD> |
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| 4 | <TITLE>Mutli-Character Filter</TITLE> |
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| 5 | <LINK REL="stylesheet" HREF="../../../../boost.css"> |
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| 6 | <LINK REL="stylesheet" HREF="../theme/iostreams.css"> |
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| 7 | </HEAD> |
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| 8 | <BODY> |
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| 9 | |
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| 10 | <!-- Begin Banner --> |
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| 11 | |
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| 12 | <H1 CLASS="title">Mutli-Character Filter</H1> |
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| 13 | <HR CLASS="banner"> |
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| 14 | |
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| 15 | <!-- End Banner --> |
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| 16 | |
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| 17 | <H2>Description</H2> |
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| 18 | |
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| 19 | <P><A HREF="filter.html">Filter</A> which provides access to its controlled sequence or sequences <I>via</I> a socket-like interface rather than one character at a time. The difference between a Filter which is Mutli-Character and one which is not is reflected in the specifications of the various Filter refinements. <I>See</I>, <I>e.g.</I>, <A HREF="input_filter.html">InputFilter</A> and <A HREF="output_filter.html">OutputFilter</A>.</P> |
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| 20 | |
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| 21 | <H2>Refinement of</H2> |
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| 22 | |
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| 23 | <P><A HREF="filter.html">Filter</A>.</P> |
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| 24 | |
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| 25 | <A NAME="types"></A> |
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| 26 | <H2>Associated Types</H2> |
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| 27 | |
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| 28 | <P>Same as <A HREF="filter.html#types">Filter</A>, with the following additional requirements:</P> |
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| 29 | |
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| 30 | <TABLE CELLPADDING="5" BORDER="1"> |
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| 31 | <TR><TD>Category</TD><TD>A type convertible to <A HREF="../guide/traits.html#category_tags">filter_tag</A> and to <A HREF="../guide/traits.html#category_tags">multichar_tag</A></TD></TR> |
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| 32 | </TABLE> |
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| 33 | |
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| 34 | <A NAME="expressions"></A> |
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| 35 | <H2>Valid Expressions / Semantics</H2> |
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| 36 | |
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| 37 | <P>Same as <A HREF="filter.html">Filter</A>.</P> |
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| 38 | |
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| 39 | <H2>Models</H2> |
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| 40 | |
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| 41 | <UL> |
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| 42 | <LI>The compression and decompression filters</A> |
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| 43 | <LI><A HREF="../classes/regex_filter.html"><CODE>basic_regex_filter</CODE></A> |
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| 44 | <LI><A HREF="../classes/aggregate.html"><CODE>aggregate_filter</CODE></A> |
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| 45 | <LI><A HREF="../classes/symmetric_filter.html"><CODE>symmetric_filter</CODE></A> |
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| 46 | </UL> |
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| 47 | |
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| 48 | <!-- Begin Footer --> |
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| 49 | |
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| 50 | <HR> |
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| 51 | <P CLASS="copyright">Revised |
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| 52 | <!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan --> |
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| 53 | 20 May, 2004 |
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| 54 | <!--webbot bot="Timestamp" endspan i-checksum="38504" --> |
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| 55 | </P> |
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| 56 | |
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| 57 | <P CLASS="copyright">© Copyright Jonathan Turkanis, 2004</P> |
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| 58 | <P CLASS="copyright"> |
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| 59 | Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <A HREF="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>) |
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| 60 | </P> |
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| 61 | |
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| 62 | <!-- End Footer --> |
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| 63 | |
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| 64 | </BODY> |
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