a00015.html

这是symbian下的实现XML解析的源代码。里面包括解析器和解析例子代码。

<p>
Intended Usage : Helper function to generate a panic. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>aPanic</em>&nbsp;</td><td>the panic code for the error </td></tr>
  </table>
</dl>
<dl compact><dt><b>Precondition:</b></dt><dd>First phase of construction is complete. </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>Never returns, only leaves!. </dd></dl>
    </td>
  </tr>
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<a class="anchor" name="CSyGeneratorBasea17" doxytag="CSyGeneratorBase::ProcessingInstructionL"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::ProcessingInstructionL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aTarget</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aData</em></td>
        </tr>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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    </td>
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      &nbsp;
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<p>
Intended Usage: Writes out string a processing instruction to the xml writer. 
<p>
<dl compact><dt><b>Exceptions:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>KErrNoMemory</em>&nbsp;</td><td>if no memory for buffer. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>aTarget</em>&nbsp;</td><td>the target of the processing instruction </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aData</em>&nbsp;</td><td>the data for the processing instruction. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>none </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>none </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>none </dd></dl>
    </td>
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</table>
<a class="anchor" name="CSyGeneratorBasea13" doxytag="CSyGeneratorBase::SetAttributeL"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::SetAttributeL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aPrefix</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aName</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aValue</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
        </tr>
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    </td>
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      &nbsp;
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<p>
Intended Usage: Assigns an attribute to an element. 
<p>
This form is the default form and write attributes with a namespace. If aPrefix is empty then the attribute name only will be written out. <dl compact><dt><b>Exceptions:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>KErrNoMemory</em>&nbsp;</td><td>if no memory for buffer. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>aPrefix</em>&nbsp;</td><td>the namespace prefix of the attribute. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aName</em>&nbsp;</td><td>the name of the attribute. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aValue</em>&nbsp;</td><td>the value of the attribute </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>none </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>StartElement must have been called, but not EndElement </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>none </dd></dl>
    </td>
  </tr>
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<a class="anchor" name="CSyGeneratorBasea12" doxytag="CSyGeneratorBase::SetAttributeL"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::SetAttributeL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aName</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aValue</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
        </tr>
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    </td>
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      &nbsp;
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<p>
Intended Usage: Assigns an attribute to an element. 
<p>
This form is used to write attributes with no namespace. <dl compact><dt><b>Exceptions:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>KErrNoMemory</em>&nbsp;</td><td>if no memory for buffer. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>aName</em>&nbsp;</td><td>the name of the attribute. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aValue</em>&nbsp;</td><td>the value of the attribute. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>none </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>StartElement must have been called, but not EndElement </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>none </dd></dl>
    </td>
  </tr>
</table>
<a class="anchor" name="CSyGeneratorBasea11" doxytag="CSyGeneratorBase::SetNamespaceL"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::SetNamespaceL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aPrefix</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const TDesC &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aURI</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
        </tr>
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    </td>
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      &nbsp;
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<p>
Intended Usage: Assigns a prefix to a a namespace within an element definition. 
<p>
<dl compact><dt><b>Exceptions:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>KErrNoMemory</em>&nbsp;</td><td>if no memory for buffer. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>aPrefix</em>&nbsp;</td><td>the prefix to be mapped to the specified URI </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aURI</em>&nbsp;</td><td>the URI of the namespace to be set as the default namespace. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>none </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>StartElement must have been called, but not EndElement </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>none </dd></dl>
    </td>
  </tr>
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<a class="anchor" name="CSyGeneratorBasea10" doxytag="CSyGeneratorBase::SetNamespaceL"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::SetNamespaceL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TDesC &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>aURI</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
        </tr>
      </table>
    </td>
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      &nbsp;
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<p>
Intended Usage: Declares a namespace within an element definition. 
<p>
This is used to set the default namespace for the element. <dl compact><dt><b>Exceptions:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>KErrNoMemory</em>&nbsp;</td><td>if no memory for buffer. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>aURI</em>&nbsp;</td><td>the URI of the namespace to be set as the default namespace. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>none </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>StartElement must have been called, but not EndElement </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>this default namespace for this and all child elements will now be this URI </dd></dl>
    </td>
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<a class="anchor" name="CSyGeneratorBasea19" doxytag="CSyGeneratorBase::StartCDATAL"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::StartCDATAL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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    </td>
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      &nbsp;
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<p>
Intended Usage: Starts a CDATA Section.