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<document>

  <properties>
    <index value="1"/>
    <title>Props Antlib</title>
  </properties>

  <body>

    <section name="Props Antlib">

      <p>This is a library of supplementary handlers for Ant
        properties resolution.</p>

      <p>The types provided are instances of
        <code>org.apache.tools.ant.PropertyHelper.Delegate</code> and
        can be invoked using the <code>&lt;propertyhelper&gt;</code>
        task provided in Ant 1.8.0.</p>

      <table border="1" cellspacing="0" cellpadding="2" width="100%">
        <tr>
          <th>Delegate</th>
          <th>Delegate Type</th>
          <th>Description</th>
        </tr>
        <tr>
          <td align="center">nested</td>
          <td align="center">PropertyExpander</td>
          <td>Implements nested property expansion;
            e.g. <code>${${double-expand-me}}</code>.</td>
        </tr>
        <tr>
          <td align="center">stringops</td>
          <td align="center">PropertyEvaluator</td>
          <td>Implements *nix shell-inspired string operations.</td>
        </tr>
        <tr>
          <td align="center">refs</td>
          <td align="center">PropertyEvaluator</td>
          <td>Given <code>ref:<em>refid</em></code>,
            resolves reference <code><em>refid</em></code>.</td>
        </tr>
        <tr>
          <td align="center">types</td>
          <td align="center">PropertyEvaluator</td>
          <td>Given <code><em>type</em>(<em>arg</em>)</code>, attempts
          to invoke
            <code><em>type</em></code> constructor <code>(<em>project, arg</em>)</code>,
            then <code>(<em>arg</em>)</code>.</td>
        </tr>
      </table>
    </section>
  </body>
</document>
