commons-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From d...@apache.org
Subject cvs commit: jakarta-commons/jexl/xdocs/reference syntax.xml
Date Fri, 20 Aug 2004 05:09:27 GMT
dion        2004/08/19 22:09:27

  Modified:    jexl/xdocs/reference syntax.xml
  Log:
  start on syntax
  
  Revision  Changes    Path
  1.4       +37 -2     jakarta-commons/jexl/xdocs/reference/syntax.xml
  
  Index: syntax.xml
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/jexl/xdocs/reference/syntax.xml,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- syntax.xml	20 Aug 2004 04:40:50 -0000	1.3
  +++ syntax.xml	20 Aug 2004 05:09:27 -0000	1.4
  @@ -21,6 +21,15 @@
     </properties>
   
     <body>
  +    <section name="Overview">
  +      <p>
  +        This reference is split up into the following sections:
  +        <ol>
  +          <li><a href="#Syntax">Syntax</a></li>
  +          <li><a href="#Functions">Functions</a></li>
  +        </ol>
  +      </p>
  +    </section>
       <section name="Syntax">
         <table>
           <tr><th>Item</th><th>Description</th></tr>
  @@ -44,10 +53,18 @@
             </td>
           </tr>
           <tr>
  -          <td>Identifier / variable</td>
  +          <td>String literals</td>
  +          <td>
  +            Can start and end with either <code>'</code> or <code>"</code>,
e.g.
  +            <source>"Hello world"</source> and
  +            <source>'Hello world'</source> are equivalent.
  +          </td>
  +        </tr>
  +        <tr>
  +          <td>Identifiers / variables</td>
             <td>
               Must start with <code>a-z</code>, <code>A-Z</code>,
<code>_</code> or <code>$</code>.
  -            Can then be followed by <code>0-9</code>,<code>a-z</code>,
<code>A-Z</code>, <code>_</code> or <code>$</code>.
  +            Can then be followed by <code>0-9</code>, <code>a-z</code>,
<code>A-Z</code>, <code>_</code> or <code>$</code>.
               e.g.
               <ul>
                 <li>Valid: <code>var1</code>,<code>_a99</code>,<code>$1</code></li>
  @@ -58,6 +75,24 @@
           <tr>
             <td>Assignment</td>
             <td><source>var1 = var2</source></td>
  +        </tr>
  +      </table>
  +    </section>
  +    <section name="Functions">
  +      <table>
  +        <tr><th>Function</th><th>Description</th></tr>
  +        <tr>
  +          <td>empty</td>
  +          <td>
  +            Returns true if the expression following is either:
  +            <ol>
  +              <li><code>null</code></li>
  +              <li>An empty string</li>
  +              <li>An array of length zero</li>
  +              <li>A collection of size zero</li>
  +              <li>An empty map</li>
  +            </ol>
  +          </td>
           </tr>
         </table>
       </section>
  
  
  

---------------------------------------------------------------------
To unsubscribe, e-mail: commons-dev-unsubscribe@jakarta.apache.org
For additional commands, e-mail: commons-dev-help@jakarta.apache.org


Mime
View raw message