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<h1>contextjson.h</h1><a href="contextjson_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2008, 2009 Nokia Corporation.</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Contact: Marius Vollmer <marius.vollmer@nokia.com></span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This program is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Lesser General Public License</span>
<a name="l00008"></a>00008 <span class="comment"> * version 2.1 as published by the Free Software Foundation.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This program is distributed in the hope that it will be useful, but</span>
<a name="l00011"></a>00011 <span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00013"></a>00013 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00016"></a>00016 <span class="comment"> * License along with this program; if not, write to the Free Software</span>
<a name="l00017"></a>00017 <span class="comment"> * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA</span>
<a name="l00018"></a>00018 <span class="comment"> * 02110-1301 USA</span>
<a name="l00019"></a>00019 <span class="comment"> *</span>
<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef CONTEXTJSON_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define CONTEXTJSON_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <QString></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <QVariant></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <qjson/serializer.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <qjson/parser.h></span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="comment">// stolen from glib</span>
<a name="l00031"></a>00031 <span class="preprocessor">#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define CKIT_GNUC_UNUSED __attribute__((__unused__))</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00034"></a><a class="code" href="contextjson_8h.html#a7513c8e13cfb29cd609a4083f26a15d0">00034</a> <span class="preprocessor"></span><span class="preprocessor">#define CKIT_GNUC_UNUSED</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a><a class="code" href="namespace_context_subscriber.html">00037</a> <span class="keyword">namespace </span>ContextSubscriber {
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="comment">// Please note that it is intentional that this header file contains</span>
<a name="l00040"></a>00040 <span class="comment">// implementation. This way libcontextsubscriber doesn't have to link</span>
<a name="l00041"></a>00041 <span class="comment">// against libqjson (this would be one more extra dependency), but</span>
<a name="l00042"></a>00042 <span class="comment">// only relatively rare users of this feature have to.</span>
<a name="l00043"></a>00043
<a name="l00050"></a>00050 <a class="code" href="contextjson_8h.html#a7513c8e13cfb29cd609a4083f26a15d0">CKIT_GNUC_UNUSED</a>
<a name="l00051"></a>00051 <span class="keyword">static</span> QString qVariantToJSON(<span class="keyword">const</span> QVariant &v) {
<a name="l00052"></a>00052 QJson::Serializer serializer;
<a name="l00053"></a>00053 <span class="keywordflow">return</span> serializer.serialize(v);
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00057"></a>00057 <a class="code" href="contextjson_8h.html#a7513c8e13cfb29cd609a4083f26a15d0">CKIT_GNUC_UNUSED</a>
<a name="l00058"></a>00058 <span class="keyword">static</span> QVariant jsonToQVariant(<span class="keyword">const</span> QString &s) {
<a name="l00059"></a>00059 QJson::Parser parser;
<a name="l00060"></a>00060 <span class="keywordtype">bool</span> ok;
<a name="l00061"></a>00061 QVariant v = parser.parse(s.toUtf8(), &ok);
<a name="l00062"></a>00062 <span class="keywordflow">if</span> (ok)
<a name="l00063"></a>00063 <span class="keywordflow">return</span> QVariant(v);
<a name="l00064"></a>00064 <span class="keywordflow">else</span>
<a name="l00065"></a>00065 <span class="keywordflow">return</span> QVariant();
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068 } <span class="comment">// namespace</span>
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="preprocessor">#endif</span>
</pre></div></div>
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