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<h1>BaseObject.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// This file may be redistributed and modified only under the terms of</span>
<a name="l00002"></a>00002 <span class="comment">// the GNU Lesser General Public License (See COPYING for details).</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright (C) 2000-2004 Stefanus Du Toit, Aloril and Al Riddoch</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#ifndef ATLAS_OBJECTS_BASEOBJECT_H</span>
<a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define ATLAS_OBJECTS_BASEOBJECT_H</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span>
<a name="l00008"></a>00008 <span class="preprocessor">#include <Atlas/Message/MEncoder.h></span>
<a name="l00009"></a>00009 <span class="preprocessor">#include <Atlas/Message/Element.h></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <Atlas/Bridge.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <Atlas/Exception.h></span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#include <map></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <list></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <string></span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#include <assert.h></span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="keyword">namespace </span>Atlas {
<a name="l00020"></a>00020
<a name="l00024"></a>00024 <span class="keyword">namespace </span>Objects {
<a name="l00025"></a>00025
<a name="l00030"></a><a class="code" href="class_atlas_1_1_objects_1_1_no_such_attr_exception.html">00030</a> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_objects_1_1_no_such_attr_exception.html" title="An exception indicating the requested attribute does not exist.">NoSuchAttrException</a> : <span class="keyword">public</span> Atlas::<a class="code" href="class_atlas_1_1_exception.html" title="Base class for all exceptions thrown by Atlas-C++.">Exception</a>
<a name="l00031"></a>00031 {
<a name="l00033"></a>00033 std::string m_name;
<a name="l00034"></a>00034 <span class="keyword">public</span>:
<a name="l00035"></a>00035 <a class="code" href="class_atlas_1_1_objects_1_1_no_such_attr_exception.html" title="An exception indicating the requested attribute does not exist.">NoSuchAttrException</a>(<span class="keyword">const</span> std::string& name) :
<a name="l00036"></a>00036 <a class="code" href="class_atlas_1_1_exception.html" title="Base class for all exceptions thrown by Atlas-C++.">Atlas::Exception</a>(<span class="stringliteral">"No such attribute"</span>), m_name(name) {}
<a name="l00037"></a>00037 <span class="keyword">virtual</span> ~<a class="code" href="class_atlas_1_1_objects_1_1_no_such_attr_exception.html" title="An exception indicating the requested attribute does not exist.">NoSuchAttrException</a>() <span class="keywordflow">throw</span> ();
<a name="l00039"></a><a class="code" href="class_atlas_1_1_objects_1_1_no_such_attr_exception.html#7e6113e46e5040155939cb0d127d175e">00039</a> <span class="keyword">const</span> std::string & <a class="code" href="class_atlas_1_1_objects_1_1_no_such_attr_exception.html#7e6113e46e5040155939cb0d127d175e" title="Get the name of the attribute which does not exist.">getName</a>()<span class="keyword"> const </span>{
<a name="l00040"></a>00040 <span class="keywordflow">return</span> m_name;
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042 };
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> BASE_OBJECT_NO = 0;
<a name="l00045"></a>00045
<a name="l00065"></a><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html">00065</a> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html" title="Atlas base object class.">BaseObjectData</a>
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keyword">public</span>:
<a name="l00072"></a>00072 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#c54bdb164c9ea1b30d6ffeddd5de5a96" title="Construct a new BaseObjectData from a subclass.">BaseObjectData</a>(<a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html" title="Atlas base object class.">BaseObjectData</a> *defaults);
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">virtual</span> ~<a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html" title="Atlas base object class.">BaseObjectData</a>();
<a name="l00075"></a>00075
<a name="l00077"></a><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#daada236e5c7657ddf30d6a6d6b16464">00077</a> <span class="keywordtype">int</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#daada236e5c7657ddf30d6a6d6b16464" title="Get class number:.">getClassNo</a>()<span class="keyword"> const </span>
<a name="l00078"></a>00078 <span class="keyword"> </span>{
<a name="l00079"></a>00079 <span class="keywordflow">return</span> m_class_no;
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">int</span> getAttrFlags()<span class="keyword"> const</span>
<a name="l00083"></a>00083 <span class="keyword"> </span>{
<a name="l00084"></a>00084 <span class="keywordflow">return</span> m_attrFlags;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keyword">virtual</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#c54bdb164c9ea1b30d6ffeddd5de5a96" title="Construct a new BaseObjectData from a subclass.">BaseObjectData</a> * copy() <span class="keyword">const</span> = 0;
<a name="l00088"></a>00088
<a name="l00090"></a>00090 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#c2eafb7d5824002070a54d6e8642853a" title="Is this instance of some class?">instanceOf</a>(<span class="keywordtype">int</span> classNo) <span class="keyword">const</span>;
<a name="l00091"></a>00091
<a name="l00093"></a>00093 <span class="keywordtype">bool</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#16c21a105ac0d81d07e45a55544e4403" title="Check whether the attribute &quot;name&quot; exists.">hasAttr</a>(<span class="keyword">const</span> std::string& name) <span class="keyword">const</span>;
<a name="l00095"></a>00095 <span class="keywordtype">bool</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#add94d741f4852af92d73e2c95fddca4" title="Check whether the attribute &quot;name&quot; exists.">hasAttrFlag</a>(<span class="keywordtype">int</span> flag) <span class="keyword">const</span>;
<a name="l00098"></a>00098 <span class="keyword">const</span> <a class="code" href="class_atlas_1_1_message_1_1_element.html" title="Multi-type container.">Atlas::Message::Element</a> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#00456bf4bcd85359cf50c61bc2a9d5c2" title="Retrieve the attribute &quot;name&quot;.">getAttr</a>(<span class="keyword">const</span> std::string& name)
<a name="l00099"></a>00099 <span class="keyword">const</span> <span class="keywordflow">throw</span> (NoSuchAttrException);
<a name="l00102"></a>00102 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#d11a36534b7ae7b44ef849144147a089" title="Retrieve the attribute &quot;name&quot;.">copyAttr</a>(<span class="keyword">const</span> std::string& name,
<a name="l00103"></a>00103 <a class="code" href="class_atlas_1_1_message_1_1_element.html" title="Multi-type container.">Atlas::Message::Element</a> & attr) <span class="keyword">const</span>;
<a name="l00105"></a>00105 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#91824339c79e4c11aa61eaca8a68f6e1" title="Set the attribute &quot;name&quot; to the value given by &quot;attr&quot;.">setAttr</a>(<span class="keyword">const</span> std::string& name,
<a name="l00106"></a>00106 <span class="keyword">const</span> <a class="code" href="class_atlas_1_1_message_1_1_element.html" title="Multi-type container.">Atlas::Message::Element</a>& attr);
<a name="l00108"></a>00108 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#d7ae0860ec321b91b8dd9f64dee1548b" title="Remove the attribute &quot;name&quot;.">removeAttr</a>(<span class="keyword">const</span> std::string& name);
<a name="l00110"></a>00110 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#f353b05d3a24f174fbb9cf62762f3bc6" title="Remove the attribute &quot;name&quot;.">removeAttrFlag</a>(<span class="keywordtype">int</span> flag);
<a name="l00111"></a>00111
<a name="l00114"></a>00114 <span class="keyword">const</span> Atlas::Message::MapType <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#9cbe102be6f4896da587ffca1ad75d70" title="Convert this object to a Object.">asMessage</a>() <span class="keyword">const</span>;
<a name="l00115"></a>00115
<a name="l00117"></a>00117 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#b77c9376e81eb6355d48e3e0ee1aa2ed" title="Write this object to an existing Element.">addToMessage</a>(Atlas::Message::MapType &) <span class="keyword">const</span>;
<a name="l00118"></a>00118
<a name="l00120"></a>00120 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#04d389195d94efa10e9ce520fa2d1c85" title="Send the contents of this object to a Bridge.">sendContents</a>(<a class="code" href="class_atlas_1_1_bridge.html" title="Atlas stream bridge.">Atlas::Bridge</a> & b) <span class="keyword">const</span>;
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="comment">//move to protected once SmartPtr <-> BaseObject order established</span>
<a name="l00123"></a>00123 <span class="keyword">inline</span> <span class="keywordtype">void</span> incRef();
<a name="l00124"></a>00124 <span class="keyword">inline</span> <span class="keywordtype">void</span> decRef();
<a name="l00125"></a>00125
<a name="l00131"></a><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#d9001800aee4d92a6dc7d1f551b1857d">00131</a> <span class="keyword">static</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html" title="Atlas base object class.">BaseObjectData</a> *<a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#d9001800aee4d92a6dc7d1f551b1857d" title="Allocate a new instance of this class, using an existing instance if available.">alloc</a>() {assert(0); <span class="keywordflow">return</span> NULL;} <span class="comment">//not callable</span>
<a name="l00136"></a>00136 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#7b4113a146b80bd1dca8188d64ffdfe9" title="Free an instance of this class, returning it to the memory pool.">free</a>() = 0;
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="keyword">class </span>const_iterator;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="comment">// FIXME should this hold a reference to the object it's</span>
<a name="l00141"></a>00141 <span class="comment">// iterating over?</span>
<a name="l00142"></a>00142
<a name="l00157"></a><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html">00157</a> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 <span class="keyword">public</span>:
<a name="l00160"></a>00160 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html" title="Atlas base object class.">BaseObjectData</a>;
<a name="l00161"></a>00161 <span class="keyword">friend</span> <span class="keyword">class </span>const_iterator;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>() : m_obj(0), m_val(<span class="stringliteral">""</span>, *<span class="keyword">this</span>) {}
<a name="l00164"></a>00164 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>(<span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>& I) : m_obj(I.m_obj),
<a name="l00165"></a>00165 m_current_class(I.m_current_class),
<a name="l00166"></a>00166 m_I(I.m_I), m_val(I.m_val.first, *<span class="keyword">this</span>) {}
<a name="l00167"></a>00167 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>(<a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html" title="Atlas base object class.">BaseObjectData</a>& obj, <span class="keywordtype">int</span> current_class);
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="comment">// default destructor is fine unless we hold a reference to m_obj</span>
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>& operator=(<span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>& I);
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>& operator++(); <span class="comment">// preincrement</span>
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="keyword">inline</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a> operator++(<span class="keywordtype">int</span>); <span class="comment">// postincrement</span>
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>& I) <span class="keyword">const</span>;
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>& I)<span class="keyword"> const </span>{<span class="keywordflow">return</span> !operator==(I);}
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keyword">class </span>PsuedoElement
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="keyword">public</span>:
<a name="l00184"></a>00184 PsuedoElement(<span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>& I) : m_I(I) {}
<a name="l00185"></a>00185
<a name="l00186"></a>00186 operator Message::Element() <span class="keyword">const</span>;
<a name="l00187"></a>00187 <span class="comment">// this acts on const PsuedoElement instead of PsuedoElement</span>
<a name="l00188"></a>00188 <span class="comment">// so that we can assign to attributes refered to by</span>
<a name="l00189"></a>00189 <span class="comment">// a const iterator& (as opposed to a const_iterator, where</span>
<a name="l00190"></a>00190 <span class="comment">// we can't, but that's done later)</span>
<a name="l00191"></a>00191 <span class="keyword">const</span> PsuedoElement& operator=(<span class="keyword">const</span> <a class="code" href="class_atlas_1_1_message_1_1_element.html" title="Multi-type container.">Message::Element</a>& val) <span class="keyword">const</span>;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keyword">private</span>:
<a name="l00194"></a>00194 <span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>& m_I;
<a name="l00195"></a>00195 };
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keyword">friend</span> <span class="keyword">class </span>PsuedoElement;
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keyword">typedef</span> std::pair<std::string,PsuedoElement> value_type;
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="keyword">const</span> value_type& operator*()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_val;}
<a name="l00202"></a>00202 <span class="keyword">const</span> value_type* operator->()<span class="keyword"> const </span>{<span class="keywordflow">return</span> &m_val;}
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="keyword">private</span>:
<a name="l00205"></a>00205 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html" title="Atlas base object class.">BaseObjectData</a> *m_obj; <span class="comment">// pointer to object whose args we're iterating</span>
<a name="l00206"></a>00206 <span class="keywordtype">int</span> m_current_class; <span class="comment">// m_class_no for current class in the iteration</span>
<a name="l00207"></a>00207 Message::MapType::iterator m_I; <span class="comment">// iterator in m_obj->m_attributes</span>
<a name="l00208"></a>00208 value_type m_val;
<a name="l00209"></a>00209 };
<a name="l00210"></a>00210 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data_1_1iterator.html" title="The iterator first iterates over the contents of m_obj-&gt;m_attributes, holding...">iterator</a>;
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="comment">// FIXME should this hold a reference to the object it's</span>
<a name="l00213"></a>00213 <span class="comment">// iterating over?</span>
<a name="l00214"></a>00214 <span class="keyword">class </span>const_iterator
<a name="l00215"></a>00215 {
<a name="l00216"></a>00216 <span class="keyword">public</span>:
<a name="l00217"></a>00217 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html" title="Atlas base object class.">BaseObjectData</a>;
<a name="l00218"></a>00218
<a name="l00219"></a>00219 const_iterator() : m_obj(0), m_val(<span class="stringliteral">""</span>, *this) {}
<a name="l00220"></a>00220 const_iterator(<span class="keyword">const</span> const_iterator& I) : m_obj(I.m_obj),
<a name="l00221"></a>00221 m_current_class(I.m_current_class),
<a name="l00222"></a>00222 m_I(I.m_I), m_val(I.m_val.first, *this) {}
<a name="l00223"></a>00223 const_iterator(<span class="keyword">const</span> iterator& I) : m_obj(I.m_obj),
<a name="l00224"></a>00224 m_current_class(I.m_current_class),
<a name="l00225"></a>00225 m_I(I.m_I), m_val(I.m_val.first, *this) {}
<a name="l00226"></a>00226 const_iterator(<span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#c54bdb164c9ea1b30d6ffeddd5de5a96" title="Construct a new BaseObjectData from a subclass.">BaseObjectData</a>& obj, <span class="keywordtype">int</span> current_class);
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="comment">// default destructor is fine unless we hold a reference to m_obj</span>
<a name="l00229"></a>00229
<a name="l00230"></a>00230 const_iterator& operator=(<span class="keyword">const</span> const_iterator& I);
<a name="l00231"></a>00231
<a name="l00232"></a>00232 const_iterator& operator++(); <span class="comment">// preincrement</span>
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="keyword">inline</span> const_iterator operator++(<span class="keywordtype">int</span>); <span class="comment">// postincrement</span>
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> const_iterator& I) <span class="keyword">const</span>;
<a name="l00237"></a>00237
<a name="l00238"></a>00238 <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> const_iterator& I)<span class="keyword"> const </span>{<span class="keywordflow">return</span> !operator==(I);}
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="keyword">class </span>PsuedoElement
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="keyword">public</span>:
<a name="l00243"></a>00243 PsuedoElement(<span class="keyword">const</span> const_iterator& I) : m_I(I) {}
<a name="l00244"></a>00244
<a name="l00245"></a>00245 operator Message::Element() <span class="keyword">const</span>;
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="keyword">private</span>:
<a name="l00248"></a>00248 <span class="keyword">const</span> const_iterator& m_I;
<a name="l00249"></a>00249 };
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="keyword">friend</span> <span class="keyword">class </span>PsuedoElement;
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="keyword">typedef</span> std::pair<std::string,PsuedoElement> value_type;
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="keyword">const</span> value_type& operator*()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_val;}
<a name="l00256"></a>00256 <span class="keyword">const</span> value_type* operator->()<span class="keyword"> const </span>{<span class="keywordflow">return</span> &m_val;}
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="keyword">private</span>:
<a name="l00259"></a>00259 <span class="keyword">const</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#c54bdb164c9ea1b30d6ffeddd5de5a96" title="Construct a new BaseObjectData from a subclass.">BaseObjectData</a> *m_obj; <span class="comment">// pointer to object whose args we're iterating</span>
<a name="l00260"></a>00260 <span class="keywordtype">int</span> m_current_class; <span class="comment">// m_class_no for current class in the iteration</span>
<a name="l00261"></a>00261 Message::MapType::const_iterator m_I; <span class="comment">// const_iterator in m_obj->m_attributes</span>
<a name="l00262"></a>00262 value_type m_val;
<a name="l00263"></a>00263 };
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keyword">friend</span> <span class="keyword">class </span>const_iterator;
<a name="l00266"></a>00266
<a name="l00267"></a>00267 iterator begin() {<span class="keywordflow">return</span> iterator(*<span class="keyword">this</span>, -1);}
<a name="l00268"></a>00268 iterator end() {<span class="keywordflow">return</span> iterator(*<span class="keyword">this</span>, BASE_OBJECT_NO);}
<a name="l00269"></a>00269 iterator find(<span class="keyword">const</span> std::string&);
<a name="l00270"></a>00270
<a name="l00271"></a>00271 const_iterator begin()<span class="keyword"> const </span>{<span class="keywordflow">return</span> const_iterator(*<span class="keyword">this</span>, -1);}
<a name="l00272"></a>00272 const_iterator end()<span class="keyword"> const </span>{<span class="keywordflow">return</span> const_iterator(*<span class="keyword">this</span>, BASE_OBJECT_NO);}
<a name="l00273"></a>00273 const_iterator find(<span class="keyword">const</span> std::string&) <span class="keyword">const</span>;
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="keyword">protected</span>:
<a name="l00276"></a>00276
<a name="l00278"></a>00278 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#7564432dfb76c3b454ae55a9360ee572" title="Find the class which contains the attribute &quot;name&quot;.">getAttrClass</a>(<span class="keyword">const</span> std::string& name) <span class="keyword">const</span>;
<a name="l00279"></a>00279
<a name="l00281"></a>00281 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#05126d2b6a32d448ea091b58ced9acf2" title="Find the flag for the attribute &quot;name&quot;.">getAttrFlag</a>(<span class="keyword">const</span> std::string& name) <span class="keyword">const</span>;
<a name="l00282"></a>00282
<a name="l00284"></a>00284 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#6b229e3bd284563c1c7eaa940c5d577c" title="Iterate over the attributes of this instance.">iterate</a>(<span class="keywordtype">int</span>& current_class, std::string& attr) <span class="keyword">const</span>;
<a name="l00285"></a>00285
<a name="l00286"></a>00286 <span class="keywordtype">int</span> m_class_no; <span class="comment">//each class has different enum</span>
<a name="l00287"></a>00287 <span class="keywordtype">int</span> m_refCount; <span class="comment">//how many instances </span>
<a name="l00288"></a>00288 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#c54bdb164c9ea1b30d6ffeddd5de5a96" title="Construct a new BaseObjectData from a subclass.">BaseObjectData</a> *m_defaults;
<a name="l00289"></a>00289 <span class="comment">//this will be defined in each subclass separately, so no need here for it</span>
<a name="l00290"></a>00290 <span class="comment">//static BaseObjectData *begin; </span>
<a name="l00291"></a>00291 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#c54bdb164c9ea1b30d6ffeddd5de5a96" title="Construct a new BaseObjectData from a subclass.">BaseObjectData</a> *m_next;
<a name="l00292"></a>00292 std::map<std::string, Atlas::Message::Element> m_attributes;
<a name="l00293"></a>00293 <span class="comment">// is attribute in this object or in default object?</span>
<a name="l00294"></a>00294 <span class="keywordtype">int</span> m_attrFlags;
<a name="l00295"></a>00295 };
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keywordtype">void</span> BaseObjectData::incRef() {
<a name="l00298"></a>00298 m_refCount++;
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300
<a name="l00301"></a>00301 <span class="keywordtype">void</span> BaseObjectData::decRef() {
<a name="l00302"></a>00302 <span class="comment">//why zero based refCount? avoids one m_refCount-- ;-)</span>
<a name="l00303"></a>00303 assert( m_refCount >= 0 );
<a name="l00304"></a>00304 <span class="keywordflow">if</span>(!m_refCount) {
<a name="l00305"></a>00305 <a class="code" href="class_atlas_1_1_objects_1_1_base_object_data.html#7b4113a146b80bd1dca8188d64ffdfe9" title="Free an instance of this class, returning it to the memory pool.">free</a>();
<a name="l00306"></a>00306 <span class="keywordflow">return</span>;
<a name="l00307"></a>00307 }
<a name="l00308"></a>00308 m_refCount--;
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 BaseObjectData::iterator BaseObjectData::iterator::operator++(<span class="keywordtype">int</span>) <span class="comment">// postincrement</span>
<a name="l00312"></a>00312 {
<a name="l00313"></a>00313 iterator tmp = *<span class="keyword">this</span>;
<a name="l00314"></a>00314 operator++();
<a name="l00315"></a>00315 <span class="keywordflow">return</span> tmp;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317
<a name="l00318"></a>00318 BaseObjectData::const_iterator BaseObjectData::const_iterator::operator++(<span class="keywordtype">int</span>) <span class="comment">// postincrement</span>
<a name="l00319"></a>00319 {
<a name="l00320"></a>00320 const_iterator tmp = *<span class="keyword">this</span>;
<a name="l00321"></a>00321 operator++();
<a name="l00322"></a>00322 <span class="keywordflow">return</span> tmp;
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324
<a name="l00325"></a>00325
<a name="l00326"></a>00326 } } <span class="comment">// namespace Atlas::Objects</span>
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="preprocessor">#endif</span>
</pre></div></div>
<HR>
<P>Copyright 2000-2004 the respective authors.</P>
<P>This document can be licensed under the terms of the GNU Free Documentation
License or the GNU General Public License and may be freely distributed under
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