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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// **************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment">// * This file is part of the zen::Xml project. It is distributed under the *</span>
<a name="l00003"></a>00003 <span class="comment">// * Boost Software License: http://www.boost.org/LICENSE_1_0.txt *</span>
<a name="l00004"></a>00004 <span class="comment">// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *</span>
<a name="l00005"></a>00005 <span class="comment">// **************************************************************************</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="preprocessor">#ifndef ZEN_XML_CONVERT_STRUC_HEADER_018727409908342709743</span>
<a name="l00008"></a>00008 <span class="preprocessor"></span><span class="preprocessor">#define ZEN_XML_CONVERT_STRUC_HEADER_018727409908342709743</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include "dom.h"</span>
<a name="l00011"></a>00011
<a name="l00012"></a>00012 <span class="keyword">namespace </span>zen
<a name="l00013"></a>00013 {
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00026"></a>00026 <span class="keyword">template</span> <<span class="keyword">class</span> T> <span class="keywordtype">bool</span> <a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">readStruc</a>(<span class="keyword">const</span> XmlElement& input, T& value);
<a name="l00028"></a>00028
<a name="l00032"></a>00032 <span class="keyword">template</span> <<span class="keyword">class</span> T> <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">writeStruc</a>(<span class="keyword">const</span> T& value, XmlElement& output);
<a name="l00033"></a>00033
<a name="l00034"></a>00034
<a name="l00035"></a>00035
<a name="l00036"></a>00036
<a name="l00037"></a>00037
<a name="l00038"></a>00038
<a name="l00039"></a>00039
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a>00042
<a name="l00043"></a>00043
<a name="l00044"></a>00044
<a name="l00045"></a>00045
<a name="l00046"></a>00046
<a name="l00047"></a>00047
<a name="l00048"></a>00048
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">//------------------------------ implementation -------------------------------------</span>
<a name="l00051"></a>00051 <span class="keyword">namespace </span>impl_2384343
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 ZEN_INIT_DETECT_MEMBER_TYPE(value_type);
<a name="l00054"></a>00054 ZEN_INIT_DETECT_MEMBER_TYPE(iterator);
<a name="l00055"></a>00055 ZEN_INIT_DETECT_MEMBER_TYPE(const_iterator);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 ZEN_INIT_DETECT_MEMBER(begin) <span class="comment">//</span>
<a name="l00058"></a>00058 ZEN_INIT_DETECT_MEMBER(end) <span class="comment">//we don't know the exact declaration of the member attribute: may be in a base class!</span>
<a name="l00059"></a>00059 ZEN_INIT_DETECT_MEMBER(insert) <span class="comment">//</span>
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 template <typename T>
<a name="l00063"></a>00063 struct IsStlContainer :
<a name="l00064"></a>00064 StaticBool<
<a name="l00065"></a>00065 impl_2384343::HasMemberType_value_type <T>::value&&
<a name="l00066"></a>00066 impl_2384343::HasMemberType_iterator <T>::value&&
<a name="l00067"></a>00067 impl_2384343::HasMemberType_const_iterator<T>::value&&
<a name="l00068"></a>00068 impl_2384343::HasMember_begin <T>::value&&
<a name="l00069"></a>00069 impl_2384343::HasMember_end <T>::value&&
<a name="l00070"></a>00070 impl_2384343::HasMember_insert <T>::value> {};
<a name="l00071"></a>00071
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keyword">namespace </span>impl_2384343
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 ZEN_INIT_DETECT_MEMBER_TYPE(first_type);
<a name="l00076"></a>00076 ZEN_INIT_DETECT_MEMBER_TYPE(second_type);
<a name="l00077"></a>00077
<a name="l00078"></a>00078 ZEN_INIT_DETECT_MEMBER(first) <span class="comment">//we don't know the exact declaration of the member attribute: may be in a base class!</span>
<a name="l00079"></a>00079 ZEN_INIT_DETECT_MEMBER(second) <span class="comment">//</span>
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 template <typename T>
<a name="l00083"></a>00083 struct IsStlPair :
<a name="l00084"></a>00084 StaticBool<
<a name="l00085"></a>00085 impl_2384343::HasMemberType_first_type <T>::value&&
<a name="l00086"></a>00086 impl_2384343::HasMemberType_second_type<T>::value&&
<a name="l00087"></a>00087 impl_2384343::HasMember_first <T>::value&&
<a name="l00088"></a>00088 impl_2384343::HasMember_second <T>::value> {};
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="comment">//######################################################################################</span>
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">//Conversion from arbitrary types to an XML element</span>
<a name="l00093"></a>00093 <span class="keyword">enum</span> ValueType
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 VALUE_TYPE_STL_CONTAINER,
<a name="l00096"></a>00096 VALUE_TYPE_STL_PAIR,
<a name="l00097"></a>00097 VALUE_TYPE_OTHER,
<a name="l00098"></a>00098 };
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00101"></a>00101 <span class="keyword">struct </span>GetValueType : StaticEnum<ValueType,
<a name="l00102"></a>00102 GetTextType<T>::value != TEXT_TYPE_OTHER ? VALUE_TYPE_OTHER : <span class="comment">//some string classes are also STL containers, so check this first</span>
<a name="l00103"></a>00103 IsStlContainer<T>::value ? VALUE_TYPE_STL_CONTAINER :
<a name="l00104"></a>00104 IsStlPair<T>::value ? VALUE_TYPE_STL_PAIR :
<a name="l00105"></a>00105 VALUE_TYPE_OTHER> {};
<a name="l00106"></a>00106
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keyword">template</span> <<span class="keyword">class</span> T, ValueType type>
<a name="l00109"></a>00109 <span class="keyword">struct </span>ConvertElement;
<a name="l00110"></a>00110 <span class="comment">/* -> expected interface</span>
<a name="l00111"></a>00111 <span class="comment">{</span>
<a name="l00112"></a>00112 <span class="comment"> void writeStruc(const T& value, XmlElement& output) const;</span>
<a name="l00113"></a>00113 <span class="comment"> bool readStruc(const XmlElement& input, T& value) const;</span>
<a name="l00114"></a>00114 <span class="comment">};</span>
<a name="l00115"></a>00115 <span class="comment">*/</span>
<a name="l00116"></a>00116
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">//partial specialization: handle conversion for all STL-container types!</span>
<a name="l00119"></a>00119 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00120"></a>00120 <span class="keyword">struct </span>ConvertElement<T, VALUE_TYPE_STL_CONTAINER>
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">writeStruc</a>(<span class="keyword">const</span> T& value, XmlElement& output)<span class="keyword"> const</span>
<a name="l00123"></a>00123 <span class="keyword"> </span>{
<a name="l00124"></a>00124 std::for_each(value.begin(), value.end(),
<a name="l00125"></a>00125 [&](<span class="keyword">const</span> <span class="keyword">typename</span> T::value_type & childVal)
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 XmlElement& newChild = output.addChild(<span class="stringliteral">"Item"</span>);
<a name="l00128"></a>00128 <a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">zen::writeStruc</a>(childVal, newChild);
<a name="l00129"></a>00129 });
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 <span class="keywordtype">bool</span> <a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">readStruc</a>(<span class="keyword">const</span> XmlElement& input, T& value)<span class="keyword"> const</span>
<a name="l00132"></a>00132 <span class="keyword"> </span>{
<a name="l00133"></a>00133 <span class="keywordtype">bool</span> success = <span class="keyword">true</span>;
<a name="l00134"></a>00134 value.clear();
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keyword">auto</span> iterPair = input.getChildren(<span class="stringliteral">"Item"</span>);
<a name="l00137"></a>00137 <span class="keywordflow">for</span> (<span class="keyword">auto</span> iter = iterPair.first; iter != iterPair.second; ++iter)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="keyword">typename</span> T::value_type childVal; <span class="comment">//MSVC 2010 bug: cannot put this into a lambda body</span>
<a name="l00140"></a>00140 <span class="keywordflow">if</span> (<a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">zen::readStruc</a>(*iter, childVal))
<a name="l00141"></a>00141 value.insert(value.end(), childVal);
<a name="l00142"></a>00142 <span class="keywordflow">else</span>
<a name="l00143"></a>00143 success = <span class="keyword">false</span>;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 <span class="keywordflow">return</span> success;
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 };
<a name="l00148"></a>00148
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">//partial specialization: handle conversion for std::pair</span>
<a name="l00151"></a>00151 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00152"></a>00152 <span class="keyword">struct </span>ConvertElement<T, VALUE_TYPE_STL_PAIR>
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">writeStruc</a>(<span class="keyword">const</span> T& value, XmlElement& output)<span class="keyword"> const</span>
<a name="l00155"></a>00155 <span class="keyword"> </span>{
<a name="l00156"></a>00156 XmlElement& child1 = output.addChild(<span class="stringliteral">"one"</span>); <span class="comment">//don't use "1st/2nd", this will confuse a few pedantic XML parsers</span>
<a name="l00157"></a>00157 <a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">zen::writeStruc</a>(value.first, child1);
<a name="l00158"></a>00158
<a name="l00159"></a>00159 XmlElement& child2 = output.addChild(<span class="stringliteral">"two"</span>);
<a name="l00160"></a>00160 <a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">zen::writeStruc</a>(value.second, child2);
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 <span class="keywordtype">bool</span> <a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">readStruc</a>(<span class="keyword">const</span> XmlElement& input, T& value)<span class="keyword"> const</span>
<a name="l00163"></a>00163 <span class="keyword"> </span>{
<a name="l00164"></a>00164 <span class="keywordtype">bool</span> success = <span class="keyword">true</span>;
<a name="l00165"></a>00165 <span class="keyword">const</span> XmlElement* child1 = input.getChild(<span class="stringliteral">"one"</span>);
<a name="l00166"></a>00166 <span class="keywordflow">if</span> (!child1 || !<a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">zen::readStruc</a>(*child1, value.first))
<a name="l00167"></a>00167 success = <span class="keyword">false</span>;
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keyword">const</span> XmlElement* child2 = input.getChild(<span class="stringliteral">"two"</span>);
<a name="l00170"></a>00170 <span class="keywordflow">if</span> (!child2 || !<a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">zen::readStruc</a>(*child2, value.second))
<a name="l00171"></a>00171 success = <span class="keyword">false</span>;
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keywordflow">return</span> success;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 };
<a name="l00176"></a>00176
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="comment">//partial specialization: not a pure structured type, try text conversion (thereby respect user specializations of writeText()/readText())</span>
<a name="l00179"></a>00179 <span class="keyword">template</span> <<span class="keyword">class</span> T>
<a name="l00180"></a>00180 <span class="keyword">struct </span>ConvertElement<T, VALUE_TYPE_OTHER>
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">writeStruc</a>(<span class="keyword">const</span> T& value, XmlElement& output)<span class="keyword"> const</span>
<a name="l00183"></a>00183 <span class="keyword"> </span>{
<a name="l00184"></a>00184 std::string tmp;
<a name="l00185"></a>00185 <a class="code" href="namespacezen.html#a2ce2998296871fc2f4718ceceb22a23f" title="Convert user data into text - used by XML elements and attributes.">writeText</a>(value, tmp);
<a name="l00186"></a>00186 output.setValue(tmp);
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188 <span class="keywordtype">bool</span> <a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">readStruc</a>(<span class="keyword">const</span> XmlElement& input, T& value)<span class="keyword"> const</span>
<a name="l00189"></a>00189 <span class="keyword"> </span>{
<a name="l00190"></a>00190 std::string rawStr;
<a name="l00191"></a>00191 input.getValue(rawStr);
<a name="l00192"></a>00192 <span class="keywordflow">return</span> <a class="code" href="namespacezen.html#acaf85ab94b61882f957afcd355386bff" title="Convert text to user data - used by XML elements and attributes.">readText</a>(rawStr, value);
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 };
<a name="l00195"></a>00195
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keyword">template</span> <<span class="keyword">class</span> T> <span class="keyword">inline</span>
<a name="l00198"></a><a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6">00198</a> <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">writeStruc</a>(<span class="keyword">const</span> T& value, <a class="code" href="classzen_1_1_xml_element.html" title="An XML element.">XmlElement</a>& output)
<a name="l00199"></a>00199 {
<a name="l00200"></a>00200 ConvertElement<T, GetValueType<T>::value>().<a class="code" href="namespacezen.html#a29ddb823fe0a195f19a64448881b8bf6" title="Convert structured user data into an XML element.">writeStruc</a>(value, output);
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="keyword">template</span> <<span class="keyword">class</span> T> <span class="keyword">inline</span>
<a name="l00205"></a><a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1">00205</a> <span class="keywordtype">bool</span> <a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">readStruc</a>(<span class="keyword">const</span> <a class="code" href="classzen_1_1_xml_element.html" title="An XML element.">XmlElement</a>& input, T& value)
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 <span class="keywordflow">return</span> ConvertElement<T, GetValueType<T>::value>().<a class="code" href="namespacezen.html#a2bdcecfe7435ef11cedbce47d4e72ee1" title="Convert XML element to structured user data.">readStruc</a>(input, value);
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="preprocessor">#endif //ZEN_XML_CONVERT_STRUC_HEADER_018727409908342709743</span>
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