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<li class="navelem"><a class="el" href="namespaceicu.html">icu</a></li><li class="navelem"><a class="el" href="classicu_1_1LocalPointerBase.html">LocalPointerBase</a></li> </ul>
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<div class="title">icu::LocalPointerBase< T > Class Template Reference</div> </div>
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<p>"Smart pointer" base class; do not use directly: use <a class="el" href="classicu_1_1LocalPointer.html" title=""Smart pointer" class, deletes objects via the standard C++ delete operator. ">LocalPointer</a> etc.
<a href="classicu_1_1LocalPointerBase.html#details">More...</a></p>
<p><code>#include <<a class="el" href="localpointer_8h_source.html">localpointer.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for icu::LocalPointerBase< T >:</div>
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<img src="classicu_1_1LocalPointerBase.png" usemap="#icu::LocalPointerBase_3C_20T_20_3E_map" alt=""/>
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<area href="classicu_1_1LocalArray.html" title=""Smart pointer" class, deletes objects via the C++ array delete[] operator. " alt="icu::LocalArray< T >" shape="rect" coords="0,56,165,80"/>
<area href="classicu_1_1LocalPointer.html" title=""Smart pointer" class, deletes objects via the standard C++ delete operator. " alt="icu::LocalPointer< T >" shape="rect" coords="175,56,340,80"/>
</map>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a3b2cdd3fc8d9b5f10387b2001999f8e9"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#a3b2cdd3fc8d9b5f10387b2001999f8e9">LocalPointerBase</a> (T *p=<a class="el" href="utypes_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)</td></tr>
<tr class="memdesc:a3b2cdd3fc8d9b5f10387b2001999f8e9"><td class="mdescLeft"> </td><td class="mdescRight">Constructor takes ownership. <a href="#a3b2cdd3fc8d9b5f10387b2001999f8e9">More...</a><br /></td></tr>
<tr class="separator:a3b2cdd3fc8d9b5f10387b2001999f8e9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af2837be3ff07fc55f1b0cc9f982e1ffa"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#af2837be3ff07fc55f1b0cc9f982e1ffa">~LocalPointerBase</a> ()</td></tr>
<tr class="memdesc:af2837be3ff07fc55f1b0cc9f982e1ffa"><td class="mdescLeft"> </td><td class="mdescRight">Destructor deletes the object it owns. <a href="#af2837be3ff07fc55f1b0cc9f982e1ffa">More...</a><br /></td></tr>
<tr class="separator:af2837be3ff07fc55f1b0cc9f982e1ffa"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9d414477891695f38e3ddab64e27fcc3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#a9d414477891695f38e3ddab64e27fcc3">isNull</a> () const </td></tr>
<tr class="memdesc:a9d414477891695f38e3ddab64e27fcc3"><td class="mdescLeft"> </td><td class="mdescRight">NULL check. <a href="#a9d414477891695f38e3ddab64e27fcc3">More...</a><br /></td></tr>
<tr class="separator:a9d414477891695f38e3ddab64e27fcc3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad8d547a362aa5e8f23e16b55e93c927e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#ad8d547a362aa5e8f23e16b55e93c927e">isValid</a> () const </td></tr>
<tr class="memdesc:ad8d547a362aa5e8f23e16b55e93c927e"><td class="mdescLeft"> </td><td class="mdescRight">NULL check. <a href="#ad8d547a362aa5e8f23e16b55e93c927e">More...</a><br /></td></tr>
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<tr class="memitem:a04d46f03725cb94f23c38594b8f26b6f"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#a04d46f03725cb94f23c38594b8f26b6f">operator==</a> (const T *other) const </td></tr>
<tr class="memdesc:a04d46f03725cb94f23c38594b8f26b6f"><td class="mdescLeft"> </td><td class="mdescRight">Comparison with a simple pointer, so that existing code with ==NULL need not be changed. <a href="#a04d46f03725cb94f23c38594b8f26b6f">More...</a><br /></td></tr>
<tr class="separator:a04d46f03725cb94f23c38594b8f26b6f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5a2b7c4ba35801eb9c4ebc16ba89a866"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#a5a2b7c4ba35801eb9c4ebc16ba89a866">operator!=</a> (const T *other) const </td></tr>
<tr class="memdesc:a5a2b7c4ba35801eb9c4ebc16ba89a866"><td class="mdescLeft"> </td><td class="mdescRight">Comparison with a simple pointer, so that existing code with !=NULL need not be changed. <a href="#a5a2b7c4ba35801eb9c4ebc16ba89a866">More...</a><br /></td></tr>
<tr class="separator:a5a2b7c4ba35801eb9c4ebc16ba89a866"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8cd944572ef521130da0a857c2969941"><td class="memItemLeft" align="right" valign="top">T * </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#a8cd944572ef521130da0a857c2969941">getAlias</a> () const </td></tr>
<tr class="memdesc:a8cd944572ef521130da0a857c2969941"><td class="mdescLeft"> </td><td class="mdescRight">Access without ownership change. <a href="#a8cd944572ef521130da0a857c2969941">More...</a><br /></td></tr>
<tr class="separator:a8cd944572ef521130da0a857c2969941"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9c1c0b24386f47b5150c8782f21b17b4"><td class="memItemLeft" align="right" valign="top">T & </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#a9c1c0b24386f47b5150c8782f21b17b4">operator*</a> () const </td></tr>
<tr class="memdesc:a9c1c0b24386f47b5150c8782f21b17b4"><td class="mdescLeft"> </td><td class="mdescRight">Access without ownership change. <a href="#a9c1c0b24386f47b5150c8782f21b17b4">More...</a><br /></td></tr>
<tr class="separator:a9c1c0b24386f47b5150c8782f21b17b4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1cdf52aa4f39e5afd16f0c5390164fee"><td class="memItemLeft" align="right" valign="top">T * </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#a1cdf52aa4f39e5afd16f0c5390164fee">operator-></a> () const </td></tr>
<tr class="memdesc:a1cdf52aa4f39e5afd16f0c5390164fee"><td class="mdescLeft"> </td><td class="mdescRight">Access without ownership change. <a href="#a1cdf52aa4f39e5afd16f0c5390164fee">More...</a><br /></td></tr>
<tr class="separator:a1cdf52aa4f39e5afd16f0c5390164fee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7b2f09d61c50f2693e328c69bb534af1"><td class="memItemLeft" align="right" valign="top">T * </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#a7b2f09d61c50f2693e328c69bb534af1">orphan</a> ()</td></tr>
<tr class="memdesc:a7b2f09d61c50f2693e328c69bb534af1"><td class="mdescLeft"> </td><td class="mdescRight">Gives up ownership; the internal pointer becomes NULL. <a href="#a7b2f09d61c50f2693e328c69bb534af1">More...</a><br /></td></tr>
<tr class="separator:a7b2f09d61c50f2693e328c69bb534af1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad5bff662cda72c0f9d1da8f626725dcc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#ad5bff662cda72c0f9d1da8f626725dcc">adoptInstead</a> (T *p)</td></tr>
<tr class="memdesc:ad5bff662cda72c0f9d1da8f626725dcc"><td class="mdescLeft"> </td><td class="mdescRight">Deletes the object it owns, and adopts (takes ownership of) the one passed in. <a href="#ad5bff662cda72c0f9d1da8f626725dcc">More...</a><br /></td></tr>
<tr class="separator:ad5bff662cda72c0f9d1da8f626725dcc"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:aac2cdd14fff3f7a8c594ee0826b2d278"><td class="memItemLeft" align="right" valign="top">T * </td><td class="memItemRight" valign="bottom"><a class="el" href="classicu_1_1LocalPointerBase.html#aac2cdd14fff3f7a8c594ee0826b2d278">ptr</a></td></tr>
<tr class="memdesc:aac2cdd14fff3f7a8c594ee0826b2d278"><td class="mdescLeft"> </td><td class="mdescRight">Actual pointer. <a href="#aac2cdd14fff3f7a8c594ee0826b2d278">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename T><br />
class icu::LocalPointerBase< T ></h3>
<p>"Smart pointer" base class; do not use directly: use <a class="el" href="classicu_1_1LocalPointer.html" title=""Smart pointer" class, deletes objects via the standard C++ delete operator. ">LocalPointer</a> etc. </p>
<p>Base class for smart pointer classes that do not throw exceptions.</p>
<p>Do not use this base class directly, since it does not delete its pointer. A subclass must implement methods that delete the pointer: Destructor and <a class="el" href="classicu_1_1LocalPointerBase.html#ad5bff662cda72c0f9d1da8f626725dcc" title="Deletes the object it owns, and adopts (takes ownership of) the one passed in. ">adoptInstead()</a>.</p>
<p>There is no operator T *() provided because the programmer must decide whether to use <a class="el" href="classicu_1_1LocalPointerBase.html#a8cd944572ef521130da0a857c2969941" title="Access without ownership change. ">getAlias()</a> (without transfer of ownership) or <a class="el" href="classicu_1_1LocalPointerBase.html#a7b2f09d61c50f2693e328c69bb534af1" title="Gives up ownership; the internal pointer becomes NULL. ">orphan()</a> (with transfer of ownership and NULLing of the pointer).</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classicu_1_1LocalPointer.html" title=""Smart pointer" class, deletes objects via the standard C++ delete operator. ">LocalPointer</a> </dd>
<dd>
<a class="el" href="classicu_1_1LocalArray.html" title=""Smart pointer" class, deletes objects via the C++ array delete[] operator. ">LocalArray</a> </dd>
<dd>
<a class="el" href="localpointer_8h.html#a3030f841466c4bbbd465ac9c4b999549" title=""Smart pointer" definition macro, deletes objects via the closeFunction. ">U_DEFINE_LOCAL_OPEN_POINTER</a> </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000222">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00066">66</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname"><a class="el" href="classicu_1_1LocalPointerBase.html">icu::LocalPointerBase</a>< T >::<a class="el" href="classicu_1_1LocalPointerBase.html">LocalPointerBase</a> </td>
<td>(</td>
<td class="paramtype">T * </td>
<td class="paramname"><em>p</em> = <code><a class="el" href="utypes_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></code></td><td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td>
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<p>Constructor takes ownership. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p</td><td>simple pointer to an object that is adopted </td></tr>
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</dd>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000226">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00073">73</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
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<p>Destructor deletes the object it owns. </p>
<p>Subclass must override: Base class does nothing. </p><dl class="stable"><dt><b><a class="el" href="stable.html#_stable000227">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00079">79</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void <a class="el" href="classicu_1_1LocalPointerBase.html">icu::LocalPointerBase</a>< T >::adoptInstead </td>
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<td class="paramname"><em>p</em></td><td>)</td>
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<p>Deletes the object it owns, and adopts (takes ownership of) the one passed in. </p>
<p>Subclass must override: Base class does not delete the object. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">p</td><td>simple pointer to an object that is adopted </td></tr>
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<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000236">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00144">144</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
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<td class="memname">T* <a class="el" href="classicu_1_1LocalPointerBase.html">icu::LocalPointerBase</a>< T >::getAlias </td>
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<p>Access without ownership change. </p>
<dl class="section return"><dt>Returns</dt><dd>the pointer value </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000232">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00113">113</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
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<td class="memname"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> <a class="el" href="classicu_1_1LocalPointerBase.html">icu::LocalPointerBase</a>< T >::isNull </td>
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<p>NULL check. </p>
<dl class="section return"><dt>Returns</dt><dd>TRUE if ==NULL </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000228">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00085">85</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
<p>References <a class="el" href="utypes_8h_source.html#l00188">NULL</a>.</p>
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<p>NULL check. </p>
<dl class="section return"><dt>Returns</dt><dd>TRUE if !=NULL </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000229">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00091">91</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
<p>References <a class="el" href="utypes_8h_source.html#l00188">NULL</a>.</p>
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<td class="memname">bool <a class="el" href="classicu_1_1LocalPointerBase.html">icu::LocalPointerBase</a>< T >::operator!= </td>
<td>(</td>
<td class="paramtype">const T * </td>
<td class="paramname"><em>other</em></td><td>)</td>
<td> const</td>
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<p>Comparison with a simple pointer, so that existing code with !=NULL need not be changed. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">other</td><td>simple pointer for comparison </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if this pointer value differs from other </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000231">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00107">107</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
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<p>Access without ownership change. </p>
<dl class="section return"><dt>Returns</dt><dd>the pointer value as a reference </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000233">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00119">119</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Access without ownership change. </p>
<dl class="section return"><dt>Returns</dt><dd>the pointer value </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000234">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00125">125</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
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<td class="memname">bool <a class="el" href="classicu_1_1LocalPointerBase.html">icu::LocalPointerBase</a>< T >::operator== </td>
<td>(</td>
<td class="paramtype">const T * </td>
<td class="paramname"><em>other</em></td><td>)</td>
<td> const</td>
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<p>Comparison with a simple pointer, so that existing code with ==NULL need not be changed. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">other</td><td>simple pointer for comparison </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if this pointer value equals other </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000230">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00099">99</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
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<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Gives up ownership; the internal pointer becomes NULL. </p>
<dl class="section return"><dt>Returns</dt><dd>the pointer value; caller becomes responsible for deleting the object </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable000235">Stable:</a></b></dt><dd>ICU 4.4 </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00132">132</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
<p>References <a class="el" href="utypes_8h_source.html#l00188">NULL</a>.</p>
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<h2 class="groupheader">Field Documentation</h2>
<a class="anchor" id="aac2cdd14fff3f7a8c594ee0826b2d278"></a>
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<td class="memname">T* <a class="el" href="classicu_1_1LocalPointerBase.html">icu::LocalPointerBase</a>< T >::ptr</td>
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<p>Actual pointer. </p>
<dl class="internal"><dt><b><a class="el" href="internal.html#_internal000045">Internal:</a></b></dt><dd>Do not use. This API is for internal use only. </dd></dl>
<p>Definition at line <a class="el" href="localpointer_8h_source.html#l00153">153</a> of file <a class="el" href="localpointer_8h_source.html">localpointer.h</a>.</p>
<p>Referenced by <a class="el" href="localpointer_8h_source.html#l00360">icu::LocalArray< T >::LocalArray()</a>, <a class="el" href="localpointer_8h_source.html#l00211">icu::LocalPointer< T >::LocalPointer()</a>, <a class="el" href="localpointer_8h_source.html#l00255">icu::LocalPointer< T >::moveFrom()</a>, <a class="el" href="localpointer_8h_source.html#l00404">icu::LocalArray< T >::moveFrom()</a>, <a class="el" href="localpointer_8h_source.html#l00266">icu::LocalPointer< T >::swap()</a>, and <a class="el" href="localpointer_8h_source.html#l00415">icu::LocalArray< T >::swap()</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="localpointer_8h_source.html">localpointer.h</a></li>
</ul>
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