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

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>length-string-number-part</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="sgml-root-element?"
HREF="sgml-root-elementX3F.html"><LINK
REL="NEXT"
TITLE="length-string-unit-part"
HREF="length-string-unit-part.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="sgml-root-elementX3F.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="length-string-unit-part.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="LENGTH-STRING-NUMBER-PART"
></A
>length-string-number-part</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN1772"
></A
><H2
>Name</H2
>length-string-number-part&nbsp;--&nbsp;Returns the numeric part of a length string</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN1775"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>(length-string-number-part lenstr)</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN1778"
></A
><H2
>Description</H2
><P
>Given a length as a string, return the numeric part.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN1781"
></A
><H2
>Example</H2
><P
><TT
CLASS="LITERAL"
>"100pt"</TT
> returns <TT
CLASS="LITERAL"
>"100"</TT
>. <TT
CLASS="LITERAL"
>"30"</TT
> returns <TT
CLASS="LITERAL"
>"30"</TT
>.  
<TT
CLASS="LITERAL"
>"in"</TT
> returns <TT
CLASS="LITERAL"
>""</TT
>.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN1790"
></A
><H2
>Author</H2
><P
>Norman Walsh, &lt;ndw@nwalsh.com&gt;</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN1793"
></A
><H2
>Source Code</H2
><PRE
CLASS="PROGRAMLISTING"
>(define (length-string-number-part lenstr)
  ;; Returns the numeric part of a length string
  (let ((digits '(#\0 #\1 #\2 #\3 #\4 #\5 #\6 #\7 #\8 #\9 #\.)))
    (let loop ((chars (string-&#62;list lenstr))
	       (number-part ""))
      (if (or (null? chars) (not (member (car chars) digits)))
	  number-part
	  (loop (cdr chars) (string-append number-part 
					   (string (car chars))))))))</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="sgml-root-elementX3F.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="length-string-unit-part.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>sgml-root-element?</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="r300.htm"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>length-string-unit-part</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>