youys
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ant

 
			
			   
				 
					
						
						
							
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                      <meta name="author" value="Adam Murdoch">
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      <title>Apache Myrmidon - User Guide</title>
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          <td valign="bottom"><div align="right"><b><font size="+3" color="#525D76">Apache Myrmidon</font></b></div></td>
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                <p><strong>Myrmidon</strong></p>
    <ul>
          <li>      <a href="./index.html">Introduction</a>
  </li>
          <li>      <a href="./getinvolved.html">Get Involved</a>
  </li>
          <li>      <a href="./user.html">Building Myrmidon</a>
  </li>
          <li>      <a href="./todo.html">Todo List</a>
  </li>
        </ul>
      <p><strong>User Guide</strong></p>
    <ul>
          <li>      <a href="./buildfile.html">Build file</a>
  </li>
          <li>      <a href="./vfs.html">Virtual File System</a>
  </li>
        </ul>
      <p><strong>Extending Ant</strong></p>
    <ul>
          <li>      <a href="./task.html">Task Writers HOWTO</a>
  </li>
          <li>      <a href="./classloader.html">ClassLoader HOWTO</a>
  </li>
          <li>      <a href="./librarys.html">Library HOWTO</a>
  </li>
        </ul>
      <p><strong>Container Design</strong></p>
    <ul>
        </ul>
            </td>
          <td align="left" valign="top">
        <table border="0" cellspacing="0" cellpadding="2" width="100%">
    <tr><td bgcolor="#525D76">
      <font color="#ffffff" face="arial,helvetica,sanserif">
        <a name="Project File"><strong>Project File</strong></a>
      </font>
    </td></tr>
    <tr><td>
      <blockquote>
                        <p>
The project file format is very similar to that of Ant 1.  The root element of
the project file must be a <code>&lt;project&gt;</code> element.  It can
take the following attributes:
</p>
                                  <table>
              <tr>
                  <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Attribute
        </font>
  </td>
                      <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Description
        </font>
  </td>
                      <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Default Value
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          name
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The project name.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The base-name of the project file, with the extension removed.
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          basedir
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The base directory for the project.  The base directory is used
        to resolve all relative file names used in the project file.
        
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The directory containing the project file.
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          default
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The name of the default target.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          <code>main</code>
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          version
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The project file version that the project is written for.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          None, must be <code>2.0</code>
        </font>
  </td>
      </tr>
        </table>
                                <p>
A <code>&lt;project&gt;</code> element can contain the following elements,
in the order given below:
</p>
                                <ul>
<li><a href="#Project References"><code>&lt;projectref&gt;</code></a></li>
<li><a href="#Library Imports"><code>&lt;import&gt;</code></a></li>
<li><a href="#Implicit Tasks">Implicit tasks</a></li>
<li><a href="#Targets"><code>&lt;target&gt;</code></a></li>
</ul>
                                  <table border="0" cellspacing="0" cellpadding="2" width="100%">
    <tr><td bgcolor="#828DA6">
      <font color="#ffffff" face="arial,helvetica,sanserif">
        <a name="Project References"><strong>Project References</strong></a>
      </font>
    </td></tr>
    <tr><td>
      <blockquote>
                        <p>Project references allow the project to import, or reference, other projects.
A <code>&lt;projectref&gt;</code> element takes the following attributes:</p>
                                  <table>
              <tr>
                  <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Attribute
        </font>
  </td>
                      <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Description
        </font>
  </td>
                      <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Default Value
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          name
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The name to use to identify the referenced project.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Required
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          location
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The path to the project file to reference.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Required
        </font>
  </td>
      </tr>
        </table>
                                <p>
The targets of a referenced project can be used in the <code>depends</code> list
of a target in the referencing project, using the following syntax:
<code><i>project-name</i>-&gt;<i>target-name</i></code>.  Here is a simple example:</p>
                                  <div align="left">
    <table cellspacing="4" cellpadding="0" border="0">
      <tr>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
      <tr>
        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#ffffff"><pre>

&lt;project version=&quot;2.0&quot;&gt;
    &lt;!-- Reference another project --&gt;
    &lt;projectref name=&quot;subproject&quot; location=&quot;subproject/build.xml&quot;/&gt;

    &lt;!-- Use the &quot;compile&quot; target from the referenced project --&gt;
    &lt;target name=&quot;main&quot; depends=&quot;subproject-&gt;compile&quot;&gt;
        .. do some stuff ..
    &lt;/target&gt;
&lt;/project&gt;
</pre></td>
        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
      <tr>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
    </table>
  </div>
                    </blockquote>
    </td></tr>
  </table>
                                  <table border="0" cellspacing="0" cellpadding="2" width="100%">
    <tr><td bgcolor="#828DA6">
      <font color="#ffffff" face="arial,helvetica,sanserif">
        <a name="Library Imports"><strong>Library Imports</strong></a>
      </font>
    </td></tr>
    <tr><td>
      <blockquote>
                        <p>Library imports allow the project to import the tasks and data-types from an
antlib.  An <code>&lt;import&gt;</code> element takes the following attributes:</p>
                                  <table>
              <tr>
                  <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Attribute
        </font>
  </td>
                      <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Description
        </font>
  </td>
                      <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Default Value
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          library
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The name of the library to import.  The <code>ext</code> directory
        of the Myrmidon distribution is searched for a library file with
        the given name, and an <code>atl</code> extension.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Required
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          type
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The type of definition to import.  Values include <code>task</code>,
        and <code>data-type</code>.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          None
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          name
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The name of the type to import.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          None
        </font>
  </td>
      </tr>
        </table>
                                <p>
If the <code>type</code> and <code>name</code> attributes are not provided,
the entire contents of the antlib are imported.
</p>
                                <p>The following example import the <code>&lt;my-task&gt;</code> task from
the <code>my-tasks</code> antlib.</p>
                                  <div align="left">
    <table cellspacing="4" cellpadding="0" border="0">
      <tr>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
      <tr>
        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#ffffff"><pre>

&lt;project version=&quot;2.0&quot;&gt;
  &lt;!-- Import task &lt;my-task&gt; from the 'my-tasks' antlib. --&gt;
  &lt;import library=&quot;my-tasks&quot; type=&quot;task&quot; name=&quot;my-task&quot;/&gt;

  &lt;target name=&quot;main&quot;&gt;
     &lt;my-task some-prop=&quot;..&quot;/&gt;
  &lt;/target&gt;
&lt;/project&gt;
</pre></td>
        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
      <tr>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
    </table>
  </div>
                    </blockquote>
    </td></tr>
  </table>
                                  <table border="0" cellspacing="0" cellpadding="2" width="100%">
    <tr><td bgcolor="#828DA6">
      <font color="#ffffff" face="arial,helvetica,sanserif">
        <a name="Implicit Tasks"><strong>Implicit Tasks</strong></a>
      </font>
    </td></tr>
    <tr><td>
      <blockquote>
                        <p>Implicit tasks are run before any of the project's targets are run.  Any task
can be used, including <code>&lt;property&gt;</code> and data-type instances.
Implicit tasks can be used to initialise the project.  For example:</p>
                                  <div align="left">
    <table cellspacing="4" cellpadding="0" border="0">
      <tr>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
      <tr>
        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#ffffff"><pre>

&lt;project version=&quot;2.0&quot;&gt;

  &lt;property name=&quot;some-property&quot; value=&quot;some value&quot;/&gt;
  &lt;path id=&quot;classpath&quot;&gt;
    &lt;fileset dir=&quot;lib&quot;/&gt;
  &lt;/path&gt;
  &lt;log&gt;Set classpath to ${classpath}&lt;/log&gt;

  &lt;target name=&quot;main&quot;&gt;
    .. do some stuff ..
  &lt;/target&gt;

&lt;/project&gt;
</pre></td>
        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
      <tr>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
      </tr>
    </table>
  </div>
                    </blockquote>
    </td></tr>
  </table>
                                  <table border="0" cellspacing="0" cellpadding="2" width="100%">
    <tr><td bgcolor="#828DA6">
      <font color="#ffffff" face="arial,helvetica,sanserif">
        <a name="Targets"><strong>Targets</strong></a>
      </font>
    </td></tr>
    <tr><td>
      <blockquote>
                        <p>Targets have the same format as in Ant 1.x, though some of the behaviour
is different.  A <code>&lt;target&gt;</code> element takes the following
attributes:</p>
                                  <table>
              <tr>
                  <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Attribute
        </font>
  </td>
                      <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Description
        </font>
  </td>
                      <td bgcolor="#039acc" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Default Value
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          name
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          The name of the target.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Required
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          depends
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          A comma-separated list of targets that this target depends on.
        This list can contain targets from referenced projects.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          None
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          if
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Only execute this target if the specified property is set, and not
        equal to <code>false</code>.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          None
        </font>
  </td>
      </tr>
                  <tr>
                  <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          unless
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          Do not execute this target if the specified property is set, and not
        equal to <code>false</code>.
        </font>
  </td>
                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
      valign="top" align="left">
    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
          None
        </font>
  </td>
      </tr>
        </table>
                    </blockquote>
    </td></tr>
  </table>
                    </blockquote>
    </td></tr>
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        <a name="Tasks"><strong>Tasks</strong></a>
      </font>
    </td></tr>
    <tr><td>
      <blockquote>
                        <p>
    Listed below are some of the current set of tasks.  You can find example
    usages of these tasks in the sample project file <code>src/make/sample.ant</code>.
    </p>
                                <h3><code>&lt;condition&gt;</code></h3>
                                <p>Sets a property if a particular condition is true.  See
    <a href="#Conditions">Conditions</a> for a list of available conditions.</p>
                                <h3><code>&lt;fail&gt;</code></h3>
                                <p>Causes the build to fail.</p>
                                <h3><code>&lt;if&gt;</code></h3>
                                <p>Conditionally executes a set of tasks.</p>
                                <h3><code>&lt;load-properties&gt;</code></h3>
                                <p>Loads a set of properties from a file.</p>
                                <h3><code>&lt;log&gt;</code></h3>
                                <p>Writes a log message.</p>
                                <h3><code>&lt;property&gt;</code></h3>
                                <p>Sets a property.</p>
                                <h3><code>&lt;try-catch&gt;</code></h3>
                                <p>Runs a set of tasks, with a provided error and clean-up handler.</p>
                                <h3><code>&lt;converter-def&gt;</code></h3>
                                <p>Register a type converter.  These are used when configuring a task
    or data-type from attributes.</p>
                                <h3><code>&lt;type-def&gt;</code></h3>
                                <p>Register a task or data-type.</p>
                                <h3><code>&lt;import&gt;</code></h3>
                                <p>Register the contents of an antlib.</p>
                    </blockquote>
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        <a name="Conditions"><strong>Conditions</strong></a>
      </font>
    </td></tr>
    <tr><td>
      <blockquote>
                        <p>The following conditions are available </p>
                                <h3><code>&lt;and&gt;</code></h3>
                                <p>Evaluates a set of nested conditions, and AND them together.  Evaluation is
    lazy.  An empty <code>&lt;and&gt;</code> condition evaluates to true.</p>
                                <h3><code>&lt;available&gt;</code></h3>
                                <p>Tests if a particular class or resource is available.</p>
                                <h3><code>&lt;file-test&gt;</code></h3>
                                <p>Tests a file against a set of <a href="vfs.html#File Selectors">file selectors</a>.</p>
                                <h3><code>&lt;is-set&gt;</code></h3>
                                <p>Tests whether a proeprty is set, and not set to 'false'.</p>
                                <h3><code>&lt;or&gt;</code></h3>
                                <p>Evaluates a set of nested conditions, and OR them together.  Evaluation is
    lazy.  An empty <code>&lt;or&gt;</code> evaluates to true.</p>
                                <h3><code>&lt;os&gt;</code></h3>
                                <p>Tests which operating system the build is running on.</p>
                                <h3><code>&lt;not&gt;</code></h3>
                                <p>Negates a nested condition.</p>
                    </blockquote>
    </td></tr>
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      <font color="#ffffff" face="arial,helvetica,sanserif">
        <a name="File Name Mappers"><strong>File Name Mappers</strong></a>
      </font>
    </td></tr>
    <tr><td>
      <blockquote>
                        <p>The following file name mappers are available:</p>
                                <h3><code>&lt;chain&gt;</code></h3>
                                <p>Applies a set of nested file name mappers to file names.</p>
                                <h3><code>&lt;flatten&gt;</code></h3>
                                <p>Maps all file names to a single directory.</p>
                                <h3><code>&lt;prefix&gt;</code></h3>
                                <p>Adds a prefix to the front of each file name.</p>
                                <h3><code>&lt;map-extension&gt;</code></h3>
                                <p>Changes the extension of file names.</p>
                    </blockquote>
    </td></tr>
  </table>
              </td>
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