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| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
|---|---|---|
| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /docs/doxygen/nel/class_NLMISC__CRefPtr.html | |
| download | nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.tar.xz nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.zip | |
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+</td></tr></table> + + +<!-- block --> +<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="http://www.nevrax.org/inc/img/reddots.gif"></TD> + <TD><B>Documentation</B></TD> + <TD ALIGN=RIGHT> </td> +</tr></table> +<!-- Generated by Doxygen 1.2.2 on Thu May 24 22:34:43 2001 --> +<center> +<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>NLMISC::CRefPtr Template Class Reference</h1><a class="el" href="class_NLMISC__CRefPtr.html">CRefPtr</a>: an handle on a ptr. +<a href="#_details">More...</a> +<p> +<code>#include <<a class="el" href="smart_ptr_h-source.html">smart_ptr.h</a>></code> +<p> +Collaboration diagram for NLMISC::CRefPtr:<p><center><img src="class_NLMISC__CRefPtr_coll_graph.gif" border="0" usemap="#NLMISC::CRefPtr_coll_map" alt="Collaboration graph"></center> +<map name="NLMISC::CRefPtr_coll_map"> +<area href="class_NLMISC__CRefCount__CPtrInfo.html" shape="rect" coords="0,1,187,19"> +</map> +<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_NLMISC__CRefPtr-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0> +<tr><td colspan=2><br><h2>Public Methods</h2></td></tr> +<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a0">CRefPtr</a> ()</td></tr> +<tr><td> </td><td><font size=-1><em>Init a NULL Ptr.</em> <a href="#a0">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a1">CRefPtr</a> (T *v)</td></tr> +<tr><td> </td><td><font size=-1><em>Attach a ptr to a RefPtr.</em> <a href="#a1">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a2">CRefPtr</a> (const CRefPtr &copy)</td></tr> +<tr><td> </td><td><font size=-1><em>Copy constructor.</em> <a href="#a2">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a3">~CRefPtr</a> (void)</td></tr> +<tr><td> </td><td><font size=-1><em>Release the RefPtr.</em> <a href="#a3">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a4">operator T *</a> () const</td></tr> +<tr><td> </td><td><font size=-1><em>Cast operator. Check if the object has been deleted somewhere, and return NULL if this is the case.</em> <a href="#a4">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top>T& </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a5">operator *</a> (void) const</td></tr> +<tr><td> </td><td><font size=-1><em>Indirection operator. Doesn't test if ptr has been deleted somewhere, and doesn't check NULL.</em> <a href="#a5">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top>T* </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a6">operator-></a> (void) const</td></tr> +<tr><td> </td><td><font size=-1><em>Selection operator. Doesn't test if ptr has been deleted somewhere, and doesn't check NULL.</em> <a href="#a6">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top>CRefPtr& </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a7">operator=</a> (T *v)</td></tr> +<tr><td> </td><td><font size=-1><em>operator=. Giving a NULL pointer is a valid operation.</em> <a href="#a7">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top>CRefPtr& </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a8">operator=</a> (const CRefPtr &copy)</td></tr> +<tr><td> </td><td><font size=-1><em>operator=. Giving a NULL pointer is a valid operation.</em> <a href="#a8">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#a9">kill</a> ()</td></tr> +<tr><td> </td><td><font size=-1><em>kill/delete the object pointed by the pointer, and inform the other RefPtr of this.</em> <a href="#a9">More...</a><em></em></font><br><br></td></tr> +<tr><td colspan=2><br><h2>Private Methods</h2></td></tr> +<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#c0">unRef</a> () const</td></tr> +<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr> +<tr><td nowrap align=right valign=top><a class="el" href="class_NLMISC__CRefCount__CPtrInfo.html">CRefCount::CPtrInfo</a>* </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#o0">pinfo</a></td></tr> +<tr><td nowrap align=right valign=top>T* </td><td valign=bottom><a class="el" href="class_NLMISC__CRefPtr.html#o1">Ptr</a></td></tr> +</table> +<hr><a name="_details"></a><h2>Detailed Description</h2> +<h3>template<class T> template class NLMISC::CRefPtr</h3> + +<a class="el" href="class_NLMISC__CRefPtr.html">CRefPtr</a>: an handle on a ptr. +<p> +T Must derive from <a class="el" href="class_NLMISC__CRefCount.html">CRefCount</a>. If you use <a class="el" href="class_NLMISC__CRefPtr.html">CRefPtr</a>, you can kill the object simply by calling delete (T*)RefPtr, or the <a class="el" href="class_NLMISC__CRefPtr.html#a9">kill</a>() method. All other <a class="el" href="class_NLMISC__CRefPtr.html">CRefPtr</a> which point to it can know if it has been deleted. (but you must be sure that this ptr is not handle by a SmartPtr, of course...) +<p> +SmartPtr are compatible with RefPtr. A ptr may be link to a <a class="el" href="class_NLMISC__CRefPtr.html">CRefPtr</a> and a <a class="el" href="class_NLMISC__CSmartPtr.html">CSmartPtr</a>. As example, when the <a class="el" href="class_NLMISC__CSmartPtr.html">CSmartPtr</a> will destroy him, <a class="el" href="class_NLMISC__CRefPtr.html">CRefPtr</a> will be informed... Sample: <div class="fragment"><pre> <font class="keywordtype">void</font> foo()<font class="keyword"> +</font><font class="keyword"> </font>{ + A *p; + CSmartPtr<A> sp; + CRefPtr<A> rp; + + p= <font class="keyword">new</font> A; + sp= p; <font class="comment">// OK. p is now owned by sp and will be deleted by sp.</font> + rp= p; <font class="comment">// OK. rp handle p.</font> + sp= NULL; <font class="comment">// Destruction. p deleted. rp automatically informed.</font> + <font class="keywordflow">if</font>(rp==NULL) + thisIsGood(); <font class="comment">// rp==NULL.</font> + }</div></pre> +<p> +<b>PERFORMANCE</b> <b>WARNING!</b> <a class="el" href="class_NLMISC__CRefPtr.html#a7">operator=</a>() are about 10 times slower than normal pointers. So use them wisely. For local use, prefer cast the refptr to a normal Ptr. Also, an object used with a <a class="el" href="class_NLMISC__CRefPtr.html">CRefPtr</a> will allocate a small PtrInfo (one only per object, not per ptr). <dl compact><dt> +<b>See also: </b><dd> + <a class="el" href="class_NLMISC__CSmartPtr.html">CSmartPtr</a> </dl> +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_h-source.html#l00243">243</a> of file <a class="el" href="smart_ptr_h-source.html">smart_ptr.h</a>.<hr><h2>Constructor & Destructor Documentation</h2> +<a name="a0" doxytag="NLMISC::CRefPtr::CRefPtr"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +NLMISC::CRefPtr< T >::CRefPtr<T> ( + </b></td> + <td valign="bottom"><b> +)<code> [inline]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Init a NULL Ptr. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00152">152</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="a1" doxytag="NLMISC::CRefPtr::CRefPtr"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +NLMISC::CRefPtr< T >::CRefPtr<T> ( + </b></td> + <td valign="bottom"><b> +T * <em>v</em> )<code> [inline]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Attach a ptr to a RefPtr. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00159">159</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="a2" doxytag="NLMISC::CRefPtr::CRefPtr"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +NLMISC::CRefPtr< T >::CRefPtr<T> ( + </b></td> + <td valign="bottom"><b> +const CRefPtr<T> & <em>copy</em> )<code> [inline]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Copy constructor. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00176">176</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="a3" doxytag="NLMISC::CRefPtr::~CRefPtr"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +NLMISC::CRefPtr< T >::~CRefPtr<T> ( + </b></td> + <td valign="bottom"><b> +void )<code> [inline]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Release the RefPtr. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00184">184</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<hr><h2>Member Function Documentation</h2> +<a name="a9" doxytag="NLMISC::CRefPtr::kill"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +void NLMISC::CRefPtr< T >::kill ( + </b></td> + <td valign="bottom"><b> +) + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +kill/delete the object pointed by the pointer, and inform the other RefPtr of this. +<p> +"rp.kill()" and "delete (T*)rp" do the same thing, except that rp NULLity is updated with <a class="el" href="class_NLMISC__CRefPtr.html#a9">kill</a>(). RefPtr which point to the same object could know if the object is valid, by just testing it ( by an implicit call to the cast operator to T*). But any calls to <a class="el" href="class_NLMISC__CRefPtr.html#a6">operator-></a>() or <a class="el" href="class_NLMISC__CRefPtr.html#a5">operator *</a>() will have unpredictible effects (may crash... :) ). +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00240">240</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="a5" doxytag="NLMISC::CRefPtr::operator *"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +T & NLMISC::CRefPtr< T >::operator * ( + </b></td> + <td valign="bottom"><b> +void ) const<code> [inline]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Indirection operator. Doesn't test if ptr has been deleted somewhere, and doesn't check NULL. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00271">271</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="a4" doxytag="NLMISC::CRefPtr::operator T *"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +NLMISC::CRefPtr< T >::operator T * ( + </b></td> + <td valign="bottom"><b> +) const<code> [inline]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Cast operator. Check if the object has been deleted somewhere, and return NULL if this is the case. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00259">259</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="a6" doxytag="NLMISC::CRefPtr::operator->"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +T * NLMISC::CRefPtr< T >::operator-> ( + </b></td> + <td valign="bottom"><b> +void ) const<code> [inline]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Selection operator. Doesn't test if ptr has been deleted somewhere, and doesn't check NULL. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00276">276</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="a8" doxytag="NLMISC::CRefPtr::operator="></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +CRefPtr< T >& NLMISC::CRefPtr< T >::operator= ( + </b></td> + <td valign="bottom"><b> +const CRefPtr<T> & <em>copy</em> ) + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +operator=. Giving a NULL pointer is a valid operation. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00222">222</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="a7" doxytag="NLMISC::CRefPtr::operator="></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +CRefPtr< T >& NLMISC::CRefPtr< T >::operator= ( + </b></td> + <td valign="bottom"><b> +T * <em>v</em> ) + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +operator=. Giving a NULL pointer is a valid operation. +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00195">195</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<a name="c0" doxytag="NLMISC::CRefPtr::unRef"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +SMART_INLINE void NLMISC::CRefPtr< T >::unRef ( + </b></td> + <td valign="bottom"><b> +) const<code> [private]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_inline_h-source.html#l00120">120</a> of file <a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a>. </td> + </tr> +</table> +<hr><h2>Member Data Documentation</h2> +<a name="o1" doxytag="NLMISC::CRefPtr::Ptr"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +T * NLMISC::CRefPtr<T>::Ptr<code> [mutable, private]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_h-source.html#l00247">247</a> of file <a class="el" href="smart_ptr_h-source.html">smart_ptr.h</a>. </td> + </tr> +</table> +<a name="o0" doxytag="NLMISC::CRefPtr::pinfo"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td colspan="2"><b> +template<classT> </b></td> + </tr> + <tr> + <td nowrap valign="top"><b> +<a class="el" href="class_NLMISC__CRefCount__CPtrInfo.html">CRefCount::CPtrInfo</a> * NLMISC::CRefPtr<T>::pinfo<code> [private]</code> + </b></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="smart_ptr_h-source.html#l00246">246</a> of file <a class="el" href="smart_ptr_h-source.html">smart_ptr.h</a>. </td> + </tr> +</table> +<hr>The documentation for this class was generated from the following files:<ul> +<li><a class="el" href="smart_ptr_h-source.html">smart_ptr.h</a><li><a class="el" href="smart_ptr_inline_h-source.html">smart_ptr_inline.h</a></ul> + + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |