<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >node-list-filter-out-pis</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="DSSSL Library Reference" HREF="index.html"><LINK REL="UP" TITLE="Miscellaneous" HREF="r300.htm"><LINK REL="PREVIOUS" TITLE="node-list-filter-by-not-gi" HREF="node-list-filter-by-not-gi.html"><LINK REL="NEXT" TITLE="node-list-filter-elements" HREF="node-list-filter-elements.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >DSSSL Library Reference: Part of the Modular DocBook Stylesheet distribution</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="node-list-filter-by-not-gi.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="node-list-filter-elements.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="NODE-LIST-FILTER-OUT-PIS" ></A >node-list-filter-out-pis</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN1106" ></A ><H2 >Name</H2 >node-list-filter-out-pis -- Returns the nodelist with all PIs removed</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN1109" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >(node-list-filter-out-pis nodelist)</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN1112" ></A ><H2 >Description</H2 ><P >Returns a node list containing all the nodes from <TT CLASS="LITERAL" >nodelist</TT > that are not PIs. The order of nodes in the node list is preserved.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN1116" ></A ><H2 >Author</H2 ><P >Norman Walsh, <ndw@nwalsh.com></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN1119" ></A ><H2 >Source Code</H2 ><PRE CLASS="PROGRAMLISTING" >(define (node-list-filter-out-pis nodelist) ;; Returns the nodelist with all PIs removed (let loop ((result (empty-node-list)) (nl nodelist)) (if (node-list-empty? nl) result (if (equal? (node-property 'class-name (node-list-first nl)) 'pi) (loop result (node-list-rest nl)) (loop (node-list result (node-list-first nl)) (node-list-rest nl))))))</PRE ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="node-list-filter-by-not-gi.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="node-list-filter-elements.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >node-list-filter-by-not-gi</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="r300.htm" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >node-list-filter-elements</TD ></TR ></TABLE ></DIV ></BODY ></HTML >