Sophie: docbook-style-dsssl-doc-1.79-16.mga7 noarch

docbook-style-dsssl-doc-1.79-16.mga7.noarch.rpm

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>expand-children</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN968"
></A
><H2
>Name</H2
>expand-children&nbsp;--&nbsp;Expand selected nodes in a node list</DIV
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>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>(expand-children nodelist gilist)</PRE
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><A
NAME="AEN974"
></A
><H2
>Description</H2
><P
>Given a node-list, <TT
CLASS="LITERAL"
>expand-children</TT
> replaces all of the members
of the node-list whose GIs are members of <TT
CLASS="LITERAL"
>gilist</TT
> with 
<TT
CLASS="LITERAL"
>(children)</TT
>.</P
><P
>This function can be used to selectively 
flatten the hierarchy of a document.</P
></DIV
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><A
NAME="AEN981"
></A
><H2
>Example</H2
><P
>Suppose that the node list is <TT
CLASS="LITERAL"
>(BOOKINFO PREFACE PART APPENDIX)</TT
>.
<TT
CLASS="LITERAL"
>(expand-children nl ("PART"))</TT
> might return
<TT
CLASS="LITERAL"
>(BOOKINFO PREFACE CHAPTER CHAPTER APPENDIX)</TT
>.</P
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><A
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><H2
>Author</H2
><P
>Norman Walsh, &lt;ndw@nwalsh.com&gt;</P
></DIV
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><A
NAME="AEN990"
></A
><H2
>Source Code</H2
><PRE
CLASS="PROGRAMLISTING"
>(define (expand-children nodelist gilist)
  ;; Expand selected nodes in a node list
  (let loop ((nl nodelist) (result (empty-node-list)))
    (if (node-list-empty? nl)
	result
	(if (member (gi (node-list-first nl)) gilist)
	    (loop (node-list-rest nl) 
		  (node-list result (children (node-list-first nl))))
	    (loop (node-list-rest nl)
		  (node-list result (node-list-first nl)))))))</PRE
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