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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<title>InspIRCd: Extensible class Reference</title>
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<h1>Extensible Class Reference</h1>class Extensible is the parent class of many classes such as userrec and chanrec.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="base_8h-source.html">base.h</a>></code>
<p>
Inheritance diagram for Extensible:<p><center><img src="classExtensible__inherit__graph.gif" border="0" usemap="#Extensible__inherit__map" alt="Inheritance graph"></center>
<map name="Extensible__inherit__map">
<area href="classchanrec.html" shape="rect" coords="8,157,77,184" alt="">
<area href="classcommand__t.html" shape="rect" coords="101,157,192,184" alt="">
<area href="classconnection.html" shape="rect" coords="216,157,301,184" alt="">
<area href="classircd__connector.html" shape="rect" coords="325,157,434,184" alt="">
<area href="classclassbase.html" shape="rect" coords="162,8,242,34" alt="">
<area href="classserverrec.html" shape="rect" coords="172,232,249,258" alt="">
<area href="classuserrec.html" shape="rect" coords="273,232,340,258" alt="">
</map>
<center><font size="2">[<a target="top" href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for Extensible:<p><center><img src="classExtensible__coll__graph.gif" border="0" usemap="#Extensible__coll__map" alt="Collaboration graph"></center>
<map name="Extensible__coll__map">
<area href="classclassbase.html" shape="rect" coords="7,98,87,125" alt="">
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<center><font size="2">[<a target="top" href="graph_legend.html">legend</a>]</font></center><a href="classExtensible-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="classExtensible.html#a0">Extend</a> (std::string key, char *p)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Extend an Extensible class. </em> <a href="#a0"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="classExtensible.html#a1">Shrink</a> (std::string key)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Shrink an Extensible class. </em> <a href="#a1"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>char * </td><td class="memItemRight" valign=bottom><a class="el" href="classExtensible.html#a2">GetExt</a> (std::string key)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get an extension item. </em> <a href="#a2"></a><em><br><br></td></tr>
<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>std::map< std::string, char * > </td><td class="memItemRight" valign=bottom><a class="el" href="classExtensible.html#r0">Extension_Items</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Private data store. </em> <a href="#r0"></a><em><br><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
class Extensible is the parent class of many classes such as userrec and chanrec.
<p>
class Extensible implements a system which allows modules to 'extend' the class by attaching data within a map associated with the object. In this way modules can store their own custom information within user objects, channel objects and server objects, without breaking other modules (this is more sensible than using a flags variable, and each module defining bits within the flag as 'theirs' as it is less prone to conflict and supports arbitary data storage).
<p>
<p>
Definition at line <a class="el" href="base_8h-source.html#l00050">50</a> of file <a class="el" href="base_8h-source.html">base.h</a>.<hr><h2>Member Function Documentation</h2>
<a name="a0" doxytag="Extensible::Extend"></a><p>
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<td class="md" nowrap valign="top"> bool Extensible::Extend </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">std::string </td>
<td class="mdname" nowrap> <em>key</em>, </td>
</tr>
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<td></td>
<td></td>
<td class="md" nowrap>char * </td>
<td class="mdname" nowrap> <em>p</em></td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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</td>
<td>
<p>
Extend an Extensible class.
<p>
You must provide a key to store the data as, and a void* to the data (typedef VoidPointer) The data will be inserted into the map. If the data already exists, you may not insert it twice, <a class="el" href="classExtensible.html#a0">Extensible::Extend</a> will return false in this case. On successful extension, Extend returns true. </td>
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<a name="a2" doxytag="Extensible::GetExt"></a><p>
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<td class="md" nowrap valign="top"> char* Extensible::GetExt </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">std::string </td>
<td class="mdname1" valign="top" nowrap> <em>key</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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</td>
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</td>
<td>
<p>
Get an extension item.
<p>
You must provide a key name, which is case sensitive. If you provide a non-existent key name, the function returns NULL, otherwise a pointer to the item referenced by the key is returned. </td>
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<a name="a1" doxytag="Extensible::Shrink"></a><p>
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<td class="md" nowrap valign="top"> bool Extensible::Shrink </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">std::string </td>
<td class="mdname1" valign="top" nowrap> <em>key</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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</td>
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</td>
<td>
<p>
Shrink an Extensible class.
<p>
You must provide a key name. The given key name will be removed from the classes data. If you provide a nonexistent key (case is important) then the function will return false. Returns true on success. </td>
</tr>
</table>
<hr><h2>Member Data Documentation</h2>
<a name="r0" doxytag="Extensible::Extension_Items"></a><p>
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<td class="md" nowrap valign="top"> std::map<std::string,char*> <a class="el" href="classExtensible.html#r0">Extensible::Extension_Items</a><code> [private]</code>
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</td>
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<td>
</td>
<td>
<p>
Private data store.
<p>
<p>
Definition at line <a class="el" href="base_8h-source.html#l00054">54</a> of file <a class="el" href="base_8h-source.html">base.h</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="base_8h-source.html">base.h</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Fri May 13 15:49:36 2005 for InspIRCd by
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