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<title>Crystal Space 1.2.1: csShaderExpression Class Reference (Crystal Space 1.2.1 Public API Reference)</title>
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<h1>csShaderExpression Class Reference</h1><!-- doxytag: class="csShaderExpression" -->An evaluable expression attached to a shader variable.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="shaderexp_8h-source.html">csgfx/shaderexp.h</a>></code>
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<a href="classcsShaderExpression-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="dde20a85ceed2929abe169eac9a74e72"></a><!-- doxytag: member="csShaderExpression::arg_array" ref="dde20a85ceed2929abe169eac9a74e72" args="" -->
typedef <a class="el" href="classcsArray.html">csArray</a><br>
< <a class="el" href="structcsShaderExpression_1_1oper__arg.html">oper_arg</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsShaderExpression.html#dde20a85ceed2929abe169eac9a74e72">arg_array</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d5a5141f253e4964db6373376afe3a8c"></a><!-- doxytag: member="csShaderExpression::oper_array" ref="d5a5141f253e4964db6373376afe3a8c" args="" -->
typedef <a class="el" href="classcsArray.html">csArray</a>< <a class="el" href="structcsShaderExpression_1_1oper.html">oper</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsShaderExpression.html#d5a5141f253e4964db6373376afe3a8c">oper_array</a></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsShaderExpression.html#c2533fd3015ea69c8846df92e8aabbd2">GetError</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieve the error message if the evaluation or parsing failed. <a href="#c2533fd3015ea69c8846df92e8aabbd2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsShaderExpression.html#6215c0960099ed1be46dbf7843389644">Parse</a> (<a class="el" href="structiDocumentNode.html">iDocumentNode</a> *)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Parse in the XML in the context of a symbol table. <a href="#6215c0960099ed1be46dbf7843389644"></a><br></td></tr>
<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsShaderExpression.html#78967f3f0789c400c1d94469a534f13b">Evaluate</a> (<a class="el" href="classcsShaderVariable.html">csShaderVariable</a> *, <a class="el" href="classcsArray.html">csShaderVarStack</a> &stacks)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Evaluate this expression into a variable. <a href="#78967f3f0789c400c1d94469a534f13b"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Classes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structcsShaderExpression_1_1oper.html">oper</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structcsShaderExpression_1_1oper__arg.html">oper_arg</a></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
An evaluable expression attached to a shader variable.
<p>Definition at line <a class="el" href="shaderexp_8h-source.html#l00044">44</a> of file <a class="el" href="shaderexp_8h-source.html">shaderexp.h</a>.</p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="78967f3f0789c400c1d94469a534f13b"></a><!-- doxytag: member="csShaderExpression::Evaluate" ref="78967f3f0789c400c1d94469a534f13b" args="(csShaderVariable *, csShaderVarStack &stacks)" -->
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<td class="memname">bool csShaderExpression::Evaluate </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classcsShaderVariable.html">csShaderVariable</a> * </td>
<td class="paramname">, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classcsArray.html">csShaderVarStack</a> & </td>
<td class="paramname"> <em>stacks</em></td><td> </td>
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<td></td>
<td>)</td>
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<p>
Evaluate this expression into a variable.
<p>
It will use the symbol table it was initialized with.
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</div><p>
<a class="anchor" name="c2533fd3015ea69c8846df92e8aabbd2"></a><!-- doxytag: member="csShaderExpression::GetError" ref="c2533fd3015ea69c8846df92e8aabbd2" args="() const " -->
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<td class="memname">const char* csShaderExpression::GetError </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const<code> [inline]</code></td>
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<p>
Retrieve the error message if the evaluation or parsing failed.
<p>
<p>Definition at line <a class="el" href="shaderexp_8h-source.html#l00235">235</a> of file <a class="el" href="shaderexp_8h-source.html">shaderexp.h</a>.</p>
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<a class="anchor" name="6215c0960099ed1be46dbf7843389644"></a><!-- doxytag: member="csShaderExpression::Parse" ref="6215c0960099ed1be46dbf7843389644" args="(iDocumentNode *)" -->
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<td class="memname">bool csShaderExpression::Parse </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structiDocumentNode.html">iDocumentNode</a> * </td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"></td>
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<p>
Parse in the XML in the context of a symbol table.
<p>
</div>
</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li>csgfx/<a class="el" href="shaderexp_8h-source.html">shaderexp.h</a></ul>
<hr size="1"><address><small>Generated for Crystal Space 1.2.1 by
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