a00014.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。

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<dl compact><dt><b>Returns:</b></dt><dd>none </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>StartElement must have been called </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>none </dd></dl>
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<a class="anchor" name="CSyGeneratorBasea5" doxytag="CSyGenerator::EndFragmentL"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::EndFragmentL           </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><code> [inherited]</code></td>
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Intended Usage: Closes the XML fragment. 
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<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 ELevelUnderRun if startdoc already called </td></tr>
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<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>Nothing is left on the CleanupStack </dd></dl>
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<a class="anchor" name="CSyGeneratorBasea16" doxytag="CSyGenerator::IgnorableWhitespaceL"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::IgnorableWhitespaceL           </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>aCharacters</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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Intended Usage: Writes out string to the output buffer. 
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This is used to write out data between elements that is in effect whitespace This can be called multiple times to write out strings <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>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>aCharacters</em>&nbsp;</td><td>the character data to be written out </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>none </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>StartElement must have been called </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>none </dd></dl>
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<a class="anchor" name="CSyGeneratore1" doxytag="CSyGenerator::NewL"></a><p>
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          <td class="md" nowrap valign="top"><a class="el" href="../../dd/d1b/a00015.html">CSyGeneratorBase</a> * CSyGenerator::NewL           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="../../dd/da2/a00019.html">MSyOutputHandler</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aOutput</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const TInt&nbsp;</td>
          <td class="mdname" nowrap> <em>aBufferSize</em> = <code>1024</code></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [static]</code></td>
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<p>
Intended Usage: Standardized safe construction which leaves nothing on the cleanup stack. 
<p>
Constructs a new generator to generate the XML. The generator will need to allocate an intermediate buffer internally, the intial size of which can be configured. The Characters function will not use this buffer, but pass the data straight through to the output mixin class. <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></td></tr>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>aOutput</em>&nbsp;</td><td>the output buffer </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aBufferSize</em>&nbsp;</td><td>the initial size of the output buffer </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>CSyGeneratorBase* A pointer to the newly created class. </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>None </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>Nothing is left on the CleanupStack </dd></dl>
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<a class="anchor" name="CSyGeneratore0" doxytag="CSyGenerator::NewLC"></a><p>
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          <td class="md" nowrap valign="top"><a class="el" href="../../dd/d1b/a00015.html">CSyGeneratorBase</a> * CSyGenerator::NewLC           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="../../dd/da2/a00019.html">MSyOutputHandler</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>aOutput</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const TInt&nbsp;</td>
          <td class="mdname" nowrap> <em>aBufferSize</em> = <code>1024</code></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [static]</code></td>
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<p>
Intended Usage: Standardized safe construction which leaves the instance of the generator on the cleanup stack. 
<p>
Constructs a new generator to generate the XML. The generator will need to allocate an intermediate buffer internally, the intial size of which can be configured. The Characters function will not use this buffer, but pass the data straight through to the output mixin class. <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></td></tr>
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</dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>aOutput</em>&nbsp;</td><td>the output buffer </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>aBufferSize</em>&nbsp;</td><td>the initial size of the output buffer </td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>CSyGeneratorBase* A pointer to the newly created class. </dd></dl>
<dl compact><dt><b>Precondition:</b></dt><dd>None </dd></dl>
<dl compact><dt><b>Postcondition:</b></dt><dd>An instance of the parser is left on the CleanupStack </dd></dl>
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<a class="anchor" name="CSyGeneratorBasef0" doxytag="CSyGenerator::Panic"></a><p>
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          <td class="md" nowrap valign="top">void CSyGeneratorBase::Panic           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const TInt&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>aPanic</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [static, protected, inherited]</code></td>
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<p>
Intended Usage : Helper function to generate a panic. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>aPanic</em>&nbsp;</td><td>the panic code for the error </td></tr>
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<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>
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<a class="anchor" name="CSyGeneratorBasea17" doxytag="CSyGenerator::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>
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          <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>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [inherited]</code></td>
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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>
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</dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
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