Paradiseo-eo sources added
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trunk/paradiseo-eo/doc/html/eo_state_8cpp-source.html
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trunk/paradiseo-eo/doc/html/eo_state_8cpp-source.html
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
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<title>EO: eoState.cpp Source File</title>
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<a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</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">Class 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">Class Members</a> | <a class="qindex" href="pages.html">Related Pages</a> | <span class="search"><u>S</u>earch for <input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div>
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<a class="el" href="dir_000000.html">src</a> / <a class="el" href="dir_000011.html">utils</a></div>
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<h1>eoState.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="preprocessor">#ifdef _MSC_VER</span>
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00002 <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable:4786)</span>
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00003 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
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00004 <span class="preprocessor"></span>
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00005 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
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00006 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span>
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00007 <span class="preprocessor">#endif</span>
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00008 <span class="preprocessor"></span>
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00009 <span class="preprocessor">#include <algorithm></span>
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00010 <span class="preprocessor">#include <fstream></span>
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00011 <span class="preprocessor">#include <sstream></span>
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00012
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00013 <span class="preprocessor">#include "eoState.h"</span>
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00014 <span class="preprocessor">#include "eoObject.h"</span>
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00015 <span class="preprocessor">#include "eoPersistent.h"</span>
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00016
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00017 <span class="keyword">using</span> <span class="keyword">namespace </span>std;
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00018
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00019
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00020
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00021 <span class="keywordtype">void</span> removeComment(string& str, string comment)
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00022 {
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00023 string::size_type pos = str.find(comment);
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00024
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00025 <span class="keywordflow">if</span> (pos != string::npos)
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00026 {
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00027 str.erase(pos, str.size());
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00028 }
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00029 }
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00030
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00031 <span class="keywordtype">bool</span> is_section(<span class="keyword">const</span> string& str, string& name)
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00032 {
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00033 string::size_type pos = str.find(<span class="stringliteral">"\\section{"</span>);
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00034
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00035 <span class="keywordflow">if</span> (pos == string::npos)
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00036 <span class="keywordflow">return</span> <span class="keyword">false</span>;
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00037 <span class="comment">//else</span>
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00038
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00039 string::size_type end = str.find(<span class="stringliteral">"}"</span>);
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00040
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00041 <span class="keywordflow">if</span> (end == string::npos)
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00042 <span class="keywordflow">return</span> <span class="keyword">false</span>;
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00043 <span class="comment">// else</span>
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00044
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00045 name = str.substr(pos + 9, end-9);
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00046
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00047 <span class="keywordflow">return</span> <span class="keyword">true</span>;
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00048 }
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00049
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00050 eoState::~eoState(<span class="keywordtype">void</span>)
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00051 {
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00052 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < ownedObjects.size(); ++i)
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00053 {
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00054 <span class="keyword">delete</span> ownedObjects[i];
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00055 }
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00056 }
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00057
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<a name="l00058"></a><a class="code" href="classeo_state.html#a2">00058</a> <span class="keywordtype">void</span> <a class="code" href="classeo_state.html#a2">eoState::registerObject</a>(<a class="code" href="classeo_persistent.html">eoPersistent</a>& registrant)
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00059 {
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00060 string name = createObjectName(dynamic_cast<eoObject*>(&registrant));
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00061
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00062 pair<ObjectMap::iterator,bool> res = objectMap.insert(make_pair(name, &registrant));
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00063
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00064 <span class="keywordflow">if</span> (res.second == <span class="keyword">true</span>)
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00065 {
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00066 creationOrder.push_back(res.first);
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00067 }
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00068 <span class="keywordflow">else</span>
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00069 {
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00070 <span class="keywordflow">throw</span> logic_error(<span class="stringliteral">"Interval error: object already present in the state"</span>);
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00071 }
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00072 }
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00073
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<a name="l00074"></a><a class="code" href="classeo_state.html#a5">00074</a> <span class="keywordtype">void</span> <a class="code" href="classeo_state.html#a5">eoState::load</a>(<span class="keyword">const</span> string& _filename)
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00075 {
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00076 ifstream is (_filename.c_str());
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00077
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00078 <span class="keywordflow">if</span> (!is)
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00079 {
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00080 string str = <span class="stringliteral">"Could not open file "</span> + _filename;
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00081 <span class="keywordflow">throw</span> runtime_error(str);
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00082 }
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00083
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00084 <a class="code" href="classeo_state.html#a5">load</a>(is);
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00085 }
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00086
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<a name="l00087"></a><a class="code" href="classeo_state.html#a6">00087</a> <span class="keywordtype">void</span> <a class="code" href="classeo_state.html#a5">eoState::load</a>(std::istream& is)
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00088 {
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00089 string str;
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00090 string name;
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00091
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00092 getline(is, str);
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00093
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00094 <span class="keywordflow">if</span> (is.fail())
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00095 {
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00096 string str = <span class="stringliteral">"Error while reading stream"</span>;
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00097 <span class="keywordflow">throw</span> runtime_error(str);
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00098 }
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00099
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00100 <span class="keywordflow">while</span>(! is.eof())
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00101 { <span class="comment">// parse section header</span>
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00102 <span class="keywordflow">if</span> (is_section(str, name))
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00103 {
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00104 string fullString;
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00105 ObjectMap::iterator it = objectMap.find(name);
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00106
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00107 <span class="keywordflow">if</span> (it == objectMap.end())
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00108 { <span class="comment">// ignore</span>
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00109 <span class="keywordflow">while</span> (getline(is, str))
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00110 {
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00111 <span class="keywordflow">if</span> (is_section(str, name))
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00112 <span class="keywordflow">break</span>;
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00113 }
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00114 }
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00115 <span class="keywordflow">else</span>
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00116 {
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00117
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00118 <a class="code" href="classeo_persistent.html">eoPersistent</a>* object = it->second;
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00119
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00120 <span class="comment">// now we have the object, get lines, remove comments etc.</span>
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00121
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00122 string fullstring;
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00123
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00124 <span class="keywordflow">while</span> (getline(is, str))
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00125 {
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00126 <span class="keywordflow">if</span> (is.eof())
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00127 <span class="keywordflow">throw</span> runtime_error(<span class="stringliteral">"No section in load file"</span>);
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00128 <span class="keywordflow">if</span> (is_section(str, name))
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00129 <span class="keywordflow">break</span>;
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00130
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00131 removeComment(str, getCommentString());
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00132 fullstring += str + <span class="stringliteral">"\n"</span>;
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00133 }
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00134 istringstream the_stream(fullstring);
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00135 object-><a class="code" href="classeo_persistent.html#a1">readFrom</a>(the_stream);
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00136 }
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00137 }
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00138 <span class="keywordflow">else</span> <span class="comment">// if (is_section(str, name)) - what if file empty</span>
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00139 {
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00140 getline(is, str); <span class="comment">// try next line!</span>
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00141 <span class="comment">// if (is.eof())</span>
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00142 <span class="comment">// throw runtime_error("No section in load file");</span>
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00143 }
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00144 }
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00145
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00146 }
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00147
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<a name="l00148"></a><a class="code" href="classeo_state.html#a7">00148</a> <span class="keywordtype">void</span> <a class="code" href="classeo_state.html#a7">eoState::save</a>(<span class="keyword">const</span> string& filename)<span class="keyword"> const</span>
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00149 <span class="keyword"></span>{ <span class="comment">// saves in order of insertion</span>
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00150 ofstream os(filename.c_str());
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00151
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00152 <span class="keywordflow">if</span> (!os)
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00153 {
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00154 string msg = <span class="stringliteral">"Could not open file: "</span> + filename + <span class="stringliteral">" for writing!"</span>;
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00155 <span class="keywordflow">throw</span> runtime_error(msg);
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00156 }
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00157
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00158 <a class="code" href="classeo_state.html#a7">save</a>(os);
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00159 }
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00160
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<a name="l00161"></a><a class="code" href="classeo_state.html#a8">00161</a> <span class="keywordtype">void</span> <a class="code" href="classeo_state.html#a7">eoState::save</a>(std::ostream& os)<span class="keyword"> const</span>
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00162 <span class="keyword"></span>{ <span class="comment">// saves in order of insertion</span>
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00163 <span class="keywordflow">for</span> (vector<ObjectMap::iterator>::const_iterator it = creationOrder.begin(); it != creationOrder.end(); ++it)
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00164 {
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00165 os << <span class="stringliteral">"\\section{"</span> << (*it)->first << <span class="stringliteral">"}\n"</span>;
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00166 (*it)->second-><a class="code" href="classeo_printable.html#a1">printOn</a>(os);
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00167 os << <span class="charliteral">'\n'</span>;
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00168 }
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00169 }
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00170
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00171 string eoState::createObjectName(<a class="code" href="classeo_object.html">eoObject</a>* obj)
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00172 {
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00173 <span class="keywordflow">if</span> (obj == 0)
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00174 {
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00175 ostringstream os;
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00176 os << objectMap.size();
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00177 <span class="keywordflow">return</span> os.str();
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00178 }
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00179 <span class="comment">// else</span>
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00180
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00181 string name = obj-><a class="code" href="classeo_object.html#a1">className</a>();
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00182 ObjectMap::const_iterator it = objectMap.find(name);
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00183
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00184 <span class="keywordtype">unsigned</span> count = 1;
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00185 <span class="keywordflow">while</span> (it != objectMap.end())
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00186 {
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00187 ostringstream os;
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00188 os << obj-><a class="code" href="classeo_object.html#a1">className</a>().c_str() << count++;
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00189 name = os.str();
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00190 it = objectMap.find(name);
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00191 }
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00192
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00193 <span class="keywordflow">return</span> name;
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00194 }
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00195
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:38 2006 for EO by
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address>
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