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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_13) on Tue Jul 15 15:48:47 NZST 2008 --><TITLE>Macros</TITLE><META NAME="keywords" CONTENT="weka.core.parser.JFlex.Macros class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Macros";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../weka/core/parser/JFlex/MacroException.html" title="class in weka.core.parser.JFlex"><B>PREV CLASS</B></A> <A HREF="../../../../weka/core/parser/JFlex/Main.html" title="class in weka.core.parser.JFlex"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?weka/core/parser/JFlex/Macros.html" target="_top"><B>FRAMES</B></A> <A HREF="Macros.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.core.parser.JFlex</FONT><BR>Class Macros</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>weka.core.parser.JFlex.Macros</B></PRE><HR><DL><DT><PRE>public final class <B>Macros</B><DT>extends java.lang.Object</DL></PRE><P>Symbol table and expander for macros. Maps macros to their (expanded) definitions, detects cycles and unused macros.<P><P><DL><DT><B>Version:</B></DT> <DD>JFlex 1.4.1, $Revision: 1.1 $, $Date: 2008/05/09 09:14:11 $</DD><DT><B>Author:</B></DT> <DD>Gerwin Klein</DD></DL><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../weka/core/parser/JFlex/Macros.html#Macros()">Macros</A></B>()</CODE><BR> Creates a new macro expander.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/JFlex/Macros.html#expand()">expand</A></B>()</CODE><BR> Expands all stored macros, so that getDefinition always returns a defintion that doesn't contain any macro usages.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../weka/core/parser/JFlex/RegExp.html" title="class in weka.core.parser.JFlex">RegExp</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/JFlex/Macros.html#getDefinition(java.lang.String)">getDefinition</A></B>(java.lang.String name)</CODE><BR> Fetches the definition of the macro with the specified name,</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/JFlex/Macros.html#insert(java.lang.String, weka.core.parser.JFlex.RegExp)">insert</A></B>(java.lang.String name, <A HREF="../../../../weka/core/parser/JFlex/RegExp.html" title="class in weka.core.parser.JFlex">RegExp</A> definition)</CODE><BR> Stores a new macro and its definition.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/JFlex/Macros.html#isUsed(java.lang.String)">isUsed</A></B>(java.lang.String name)</CODE><BR> Tests if a macro has been used.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/JFlex/Macros.html#markUsed(java.lang.String)">markUsed</A></B>(java.lang.String name)</CODE><BR> Marks a makro as used.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/JFlex/Macros.html#unused()">unused</A></B>()</CODE><BR> Returns all unused macros.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="Macros()"><!-- --></A><H3>Macros</H3><PRE>public <B>Macros</B>()</PRE><DL><DD>Creates a new macro expander.<P></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="insert(java.lang.String, weka.core.parser.JFlex.RegExp)"><!-- --></A><H3>insert</H3><PRE>public boolean <B>insert</B>(java.lang.String name, <A HREF="../../../../weka/core/parser/JFlex/RegExp.html" title="class in weka.core.parser.JFlex">RegExp</A> definition)</PRE><DL><DD>Stores a new macro and its definition.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the new macro<DD><CODE>definition</CODE> - the definition of the new macro<DT><B>Returns:</B><DD><code>true</code>, iff the macro name has not been stored before.</DL></DD></DL><HR><A NAME="markUsed(java.lang.String)"><!-- --></A><H3>markUsed</H3><PRE>public boolean <B>markUsed</B>(java.lang.String name)</PRE><DL><DD>Marks a makro as used.<P><DD><DL><DT><B>Returns:</B><DD><code>true</code>, iff the macro name has been stored before.</DL></DD></DL><HR><A NAME="isUsed(java.lang.String)"><!-- --></A><H3>isUsed</H3><PRE>public boolean <B>isUsed</B>(java.lang.String name)</PRE><DL><DD>Tests if a macro has been used.<P><DD><DL><DT><B>Returns:</B><DD><code>true</code>, iff the macro has been used in a regular expression.</DL></DD></DL><HR><A NAME="unused()"><!-- --></A><H3>unused</H3><PRE>public java.util.Enumeration <B>unused</B>()</PRE><DL><DD>Returns all unused macros.<P><DD><DL><DT><B>Returns:</B><DD>the enumeration of macro names that have not been used.</DL></DD></DL><HR><A NAME="getDefinition(java.lang.String)"><!-- --></A><H3>getDefinition</H3><PRE>public <A HREF="../../../../weka/core/parser/JFlex/RegExp.html" title="class in weka.core.parser.JFlex">RegExp</A> <B>getDefinition</B>(java.lang.String name)</PRE><DL><DD>Fetches the definition of the macro with the specified name, <p> The definition will either be the same as stored (expand() not called), or an equivalent one, that doesn't contain any macro usages (expand() called before).<P><DD><DL><DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the macro<DT><B>Returns:</B><DD>the definition of the macro, <code>null</code> if no macro with the specified name has been stored.<DT><B>See Also:</B><DD><CODE>JFlex.Macros#expand</CODE></DL></DD></DL><HR><A NAME="expand()"><!-- --></A><H3>expand</H3><PRE>public void <B>expand</B>() throws <A HREF="../../../../weka/core/parser/JFlex/MacroException.html" title="class in weka.core.parser.JFlex">MacroException</A></PRE><DL><DD>Expands all stored macros, so that getDefinition always returns a defintion that doesn't contain any macro usages.<P><DD><DL><DT><B>Throws:</B><DD><CODE><A HREF="../../../../weka/core/parser/JFlex/MacroException.html" title="class in weka.core.parser.JFlex">MacroException</A></CODE> - if there is a cycle in the macro usage graph.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../weka/core/parser/JFlex/MacroException.html" title="class in weka.core.parser.JFlex"><B>PREV CLASS</B></A> <A HREF="../../../../weka/core/parser/JFlex/Main.html" title="class in weka.core.parser.JFlex"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?weka/core/parser/JFlex/Macros.html" target="_top"><B>FRAMES</B></A> <A HREF="Macros.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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