[cl-unification-cvs] CVS cl-unification/docs/html

29 Dec 2012

      Update of /project/cl-unification/cvsroot/cl-unification/docs/html
In directory tiger.common-lisp.net:/tmp/cvs-serv14742

Added Files:
	regular-expression-template-class.html 
Log Message:
Added documentation for REGULAR-EXPRESSION-TEMPLATE.

--- /project/cl-unification/cvsroot/cl-unification/docs/html/regular-expression-template-class.html	2012/12/29 23:23:47	NONE
+++ /project/cl-unification/cvsroot/cl-unification/docs/html/regular-expression-template-class.html	2012/12/29 23:23:47	1.1
<html>
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     <title>CL Unification: Class REGULAR-EXPRESSION-TEMPLATE</title>
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        style="font-family:=Verdana,Arial,Helvetica; font-size: 18px; color: #41286f;">
    <strong><i>CL Unification: Class REGULAR-EXPRESSION-TEMPLATE</title></i></strong>
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  <div class="text" style="padding-top: 10px;">

  <h1><i>Class</i> <strong>REGULAR-EXPRESSION-TEMPLATE</strong></h1>

  <h2>Package:</h2>

  <p><code>COMMON-LISP.EXTENSIONS.DATA-AND-CONTROL-FLOW.UNIFICATION</code></p>

  <h2>Class Precedence List:</h2>

  <p>
    REGULAR-EXPRESSION-TEMPLATE, STRING-TEMPLATE, VECTOR-TEMPLATE,
    SEQUENCE-TEMPLATE, ARRAY-TEMPLATE, TYPE-TEMPLATE, TEMPLATE,
    STANDARD-OBJECT, T.
  </p>

  <h2>Known Subclasses:</h2>

  <p>
  None.
  </p>

  <h2>Slots:</h2>

  <p>None documented.</p>

  <h2>Description:</h2>

  <p>The REGULAR-EXPRESSION-TEMPLATE class denotes <em>regular
  expressions</em> (the <a
  href="http://weitz.de/cl-ppcre/">CL-PPCRE</a> regular expressions)
  that are used to unify against a STRING.</p>

  <h3>Template Syntax:</h3>

    <p>The spec syntax for a REGULAR-EXPRESSION-TEMPLATE is the
    following:</p>

    <p>
    <pre>
  #T(<b>regular-expression</b> <i>REGEXP</i> &optional <i>unification-vars</i> &rest <i>keys</i>)
  #T(<b>regexp</b> <i>REGEXP</i> &optional <i>unification-vars</i> &rest <i>keys</i>)
    </pre>
    where
    <pre>
  <i>REGEXP</i>           ::= <a <a
    href="http://weitz.de/cl-ppcre/">CL-PPCRE</a> regexp string or tree>
  <i>unification-vars</i> ::= '(' <i>variable</i>* ')'
  <i>keys</i>             ::= <<a
    href="http://weitz.de/cl-ppcre/">CL-PPCRE</a> (constant) keys to be passed to CL-PPCRE:CREATE-SCANNER>
    </pre>
    </p>

    <p><b><code>regular-expression</code></b> and
    <b><code>regexp</code></b> are
    interchangeable. The <code><i>unification-vars</i></code>, if
    present, are unified (i.e., associated) with each group returned
    by the scanner created by CL-PPCRE:CREATE-SCANNER.  The scanner is
    called by the appropriate <a href="unify-function.html">UNIFY</a> method.
    </p>

  <h2>Examples:</h2>

  <p>
  <pre>
  cl-prompt> (unify "abcbca" #T(<b>regexp</b> "a(bc)*a"))
  #<ENVIRONMENT xxx>

  cl-prompt> (unify #T(regexp "a(cb)*a" (?foo)) "acbcba")
  #<ENVIRONMENT xyz>

  cl-prompt> (find-variable-value '?foo *)
  "cb"
  T
  </pre>
  </p>

  <h2>Affected By:</h2>

  <p>None.</p>

  <h2>Exceptional Situations:</h2>

  <p>Unifying an REGULAR-EXPRESSION-TEMPLATE against a non-STRING object results in
  an UNIFICATION-FAILURE error being signaled.</p>

  <h2>See Also:</h2>

  <p><a href="unify-function.html">UNIFY</a></p>

  <h2>Notes:</h2>

  <p>The underlying implementation uses <a
  href="http://weitz.de/cl-ppcre/">CL-PPCRE</a>.  If CL-PPCRE is not
  available in the system, CL-UNIFICATION will not have
  REGULAR-EXPRESSION-TEMPLATE working.</p>

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    <!--
  <h1>News</h1>

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  <li><strong>2004-10-30</strong><br>
      Completed description.
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  <div class="copyright">
  © 2003-2013, Marco Antoniotti, all rights reserved.
  </div>
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 </body>
</html>

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[cl-unification-cvs] CVS cl-unification/docs/html

CVS User mantoniotti