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<div class="title">broker.cpp</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*-</span>
<a name="l00022"></a>00022 <span class="comment"></span><span class="preprocessor">#include &quot;broker.h&quot;</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &quot;settings.h&quot;</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &quot;client.h&quot;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &quot;defaultdictionary.h&quot;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &quot;dictionary.h&quot;</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;kparts/plugin.h&gt;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;kparts/componentfactory.h&gt;</span>
<a name="l00030"></a>00030 
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;kplugininfo.h&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;ktrader.h&gt;</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;kconfig.h&gt;</span>
<a name="l00034"></a>00034 
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;kdebug.h&gt;</span>
<a name="l00036"></a>00036 
<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;qptrdict.h&gt;</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;qmap.h&gt;</span>
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="preprocessor">#define DEFAULT_CONFIG_FILE   &quot;kspellrc&quot;</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="keyword">namespace </span>KSpell2
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 <span class="keyword">class </span>Broker::Private
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 <span class="keyword">public</span>:
<a name="l00048"></a>00048     KPluginInfo::List plugins;
<a name="l00049"></a>00049     Settings *<a class="code" href="classKSpell2_1_1Broker.html#a7015479936e1e5768648034b99f37171" title="Returns the Settings object used by the broker.">settings</a>;
<a name="l00050"></a>00050 
<a name="l00051"></a>00051     <span class="comment">// &lt;language, Clients with that language &gt;</span>
<a name="l00052"></a>00052     <a class="codeRef" href="qmap.html">QMap&lt;QString, QPtrList&lt;Client&gt;</a> &gt; languageClients;
<a name="l00053"></a>00053     <a class="codeRef" href="qstringlist.html">QStringList</a> <a class="code" href="classKSpell2_1_1Broker.html#a85945fb5673671d6976cdfbe62b2ba08" title="Returns names of all supported clients (e.g.">clients</a>;
<a name="l00054"></a>00054     DefaultDictionary *<a class="code" href="classKSpell2_1_1Broker.html#ac17c415520a566250827219de5e3bec9" title="Function returns the so-called DefaultDictionary.">defaultDictionary</a>;
<a name="l00055"></a>00055 };
<a name="l00056"></a>00056 
<a name="l00057"></a>00057 <a class="codeRef" href="qptrdict.html">QPtrDict&lt;Broker&gt;</a> *Broker::s_brokers = 0;
<a name="l00058"></a>00058 
<a name="l00059"></a><a class="code" href="classKSpell2_1_1Broker.html#a7e2ecb1f8b58ef7711dbb03866cf019e">00059</a> <a class="code" href="classKSpell2_1_1Broker.html" title="Class used to deal with dictionaries.">Broker</a> *<a class="code" href="classKSpell2_1_1Broker.html#a7e2ecb1f8b58ef7711dbb03866cf019e" title="Constructs the broker.">Broker::openBroker</a>( KSharedConfig *config )
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061     KSharedConfig::Ptr preventDeletion;
<a name="l00062"></a>00062     <span class="keywordflow">if</span> ( !config ) {
<a name="l00063"></a>00063         preventDeletion = KSharedConfig::openConfig( DEFAULT_CONFIG_FILE );
<a name="l00064"></a>00064     } <span class="keywordflow">else</span>
<a name="l00065"></a>00065         preventDeletion = config;
<a name="l00066"></a>00066 
<a name="l00067"></a>00067     <span class="keywordflow">if</span> ( s_brokers ) {
<a name="l00068"></a>00068         <a class="code" href="classKSpell2_1_1Broker.html" title="Class used to deal with dictionaries.">Broker</a> *broker = s_brokers-&gt;<a class="codeRef" href="qptrdict.html#find">find</a>( preventDeletion );
<a name="l00069"></a>00069         <span class="keywordflow">if</span> ( broker )
<a name="l00070"></a>00070             <span class="keywordflow">return</span> broker;
<a name="l00071"></a>00071     }
<a name="l00072"></a>00072 
<a name="l00073"></a>00073     <a class="code" href="classKSpell2_1_1Broker.html" title="Class used to deal with dictionaries.">Broker</a> *broker = <span class="keyword">new</span> <a class="code" href="classKSpell2_1_1Broker.html" title="Class used to deal with dictionaries.">Broker</a>( preventDeletion );
<a name="l00074"></a>00074     <span class="keywordflow">return</span> broker;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076 
<a name="l00077"></a>00077 Broker::Broker( KSharedConfig *config )
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079     KSharedConfig::Ptr preventDeletion( config );
<a name="l00080"></a>00080     Q_UNUSED( preventDeletion );
<a name="l00081"></a>00081 
<a name="l00082"></a>00082     <span class="keywordflow">if</span> ( !s_brokers )
<a name="l00083"></a>00083         s_brokers = <span class="keyword">new</span> <a class="codeRef" href="qptrdict.html">QPtrDict&lt;Broker&gt;</a>;
<a name="l00084"></a>00084     s_brokers-&gt;<a class="codeRef" href="qptrdict.html#insert">insert</a>( config, <span class="keyword">this</span> );
<a name="l00085"></a>00085 
<a name="l00086"></a>00086     d = <span class="keyword">new</span> Private;
<a name="l00087"></a>00087     d-&gt;settings = <span class="keyword">new</span> Settings( <span class="keyword">this</span>, config );
<a name="l00088"></a>00088     loadPlugins();
<a name="l00089"></a>00089 
<a name="l00090"></a>00090     d-&gt;defaultDictionary = <span class="keyword">new</span> DefaultDictionary( d-&gt;settings-&gt;defaultLanguage(),
<a name="l00091"></a>00091                                                   this );
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093 
<a name="l00094"></a>00094 Broker::~Broker()
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096     kdDebug()&lt;&lt;<span class="stringliteral">&quot;Removing broker : &quot;</span>&lt;&lt; <span class="keyword">this</span> &lt;&lt; endl;
<a name="l00097"></a>00097     s_brokers-&gt;<a class="codeRef" href="qptrdict.html#remove">remove</a>( d-&gt;settings-&gt;sharedConfig() );
<a name="l00098"></a>00098     KPluginInfo::List::iterator it = d-&gt;plugins.begin();
<a name="l00099"></a>00099     <span class="keywordflow">while</span> ( it != d-&gt;plugins.end() ) {
<a name="l00100"></a>00100         KPluginInfo *pluginInfo = *it;
<a name="l00101"></a>00101         it = d-&gt;plugins.remove( it );
<a name="l00102"></a>00102         <span class="keyword">delete</span> pluginInfo;
<a name="l00103"></a>00103     }
<a name="l00104"></a>00104 
<a name="l00105"></a>00105     <span class="keyword">delete</span> d-&gt;settings; d-&gt;settings = 0;
<a name="l00106"></a>00106     <span class="keyword">delete</span> d; d = 0;
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 
<a name="l00109"></a><a class="code" href="classKSpell2_1_1Broker.html#ac17c415520a566250827219de5e3bec9">00109</a> DefaultDictionary* <a class="code" href="classKSpell2_1_1Broker.html#ac17c415520a566250827219de5e3bec9" title="Function returns the so-called DefaultDictionary.">Broker::defaultDictionary</a>()<span class="keyword"> const</span>
<a name="l00110"></a>00110 <span class="keyword"></span>{
<a name="l00111"></a>00111     <span class="keywordflow">return</span> d-&gt;defaultDictionary;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113 
<a name="l00114"></a><a class="code" href="classKSpell2_1_1Broker.html#a3ff999f84b591cc66eae5a467dfe163f">00114</a> <a class="code" href="classKSpell2_1_1Dictionary.html" title="Class is returned by from Broker.">Dictionary</a>* <a class="code" href="classKSpell2_1_1Broker.html#a3ff999f84b591cc66eae5a467dfe163f" title="Returns dictionary for the given language and preferred client.">Broker::dictionary</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; language, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; clientName )<span class="keyword"> const</span>
<a name="l00115"></a>00115 <span class="keyword"></span>{
<a name="l00116"></a>00116     <a class="codeRef" href="qstring.html">QString</a> pclient = clientName;
<a name="l00117"></a>00117     <a class="codeRef" href="qstring.html">QString</a> plang   = language;
<a name="l00118"></a>00118     <span class="keywordtype">bool</span> ddefault = <span class="keyword">false</span>;
<a name="l00119"></a>00119 
<a name="l00120"></a>00120     <span class="keywordflow">if</span> ( plang.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>() ) {
<a name="l00121"></a>00121         plang = d-&gt;settings-&gt;defaultLanguage();
<a name="l00122"></a>00122     }
<a name="l00123"></a>00123     <span class="keywordflow">if</span> ( clientName == d-&gt;settings-&gt;defaultClient() &amp;&amp;
<a name="l00124"></a>00124         plang == d-&gt;settings-&gt;defaultLanguage() ) {
<a name="l00125"></a>00125         ddefault = <span class="keyword">true</span>;
<a name="l00126"></a>00126     }
<a name="l00127"></a>00127 
<a name="l00128"></a>00128     <a class="codeRef" href="qptrlist.html">QPtrList&lt;Client&gt;</a> lClients = d-&gt;languageClients[ plang ];
<a name="l00129"></a>00129 
<a name="l00130"></a>00130     <span class="keywordflow">if</span> ( lClients.<a class="codeRef" href="qptrlist.html#isEmpty">isEmpty</a>() ) {
<a name="l00131"></a>00131         kdError()&lt;&lt;<span class="stringliteral">&quot;No language dictionaries for the language : &quot;</span>&lt;&lt; plang &lt;&lt;endl;
<a name="l00132"></a>00132         <span class="keywordflow">return</span> 0;
<a name="l00133"></a>00133     }
<a name="l00134"></a>00134 
<a name="l00135"></a>00135     <a class="codeRef" href="qptrlistiterator.html">QPtrListIterator&lt;Client&gt;</a> itr( lClients );
<a name="l00136"></a>00136     <span class="keywordflow">while</span> ( itr.<a class="codeRef" href="qptrlistiterator.html#current">current</a>() ) {
<a name="l00137"></a>00137         <span class="keywordflow">if</span> ( !pclient.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>() ) {
<a name="l00138"></a>00138             <span class="keywordflow">if</span> ( pclient == itr.<a class="codeRef" href="qptrlistiterator.html#current">current</a>()-&gt;name() ) {
<a name="l00139"></a>00139                 <a class="code" href="classKSpell2_1_1Dictionary.html" title="Class is returned by from Broker.">Dictionary</a> *dict = itr.<a class="codeRef" href="qptrlistiterator.html#current">current</a>()-&gt;dictionary( plang );
<a name="l00140"></a>00140                 <span class="keywordflow">if</span> ( dict ) <span class="comment">//remove the if if the assert proves ok</span>
<a name="l00141"></a>00141                     dict-&gt;m_default = ddefault;
<a name="l00142"></a>00142                 <span class="keywordflow">return</span> dict;
<a name="l00143"></a>00143             }
<a name="l00144"></a>00144         } <span class="keywordflow">else</span> {
<a name="l00145"></a>00145             <span class="comment">//the first one is the one with the highest</span>
<a name="l00146"></a>00146             <span class="comment">//reliability</span>
<a name="l00147"></a>00147             <a class="code" href="classKSpell2_1_1Dictionary.html" title="Class is returned by from Broker.">Dictionary</a> *dict = itr.<a class="codeRef" href="qptrlistiterator.html#current">current</a>()-&gt;dictionary( plang );
<a name="l00148"></a>00148             Q_ASSERT( dict );
<a name="l00149"></a>00149             <span class="keywordflow">if</span> ( dict ) <span class="comment">//remove the if if the assert proves ok</span>
<a name="l00150"></a>00150                 dict-&gt;m_default = ddefault;
<a name="l00151"></a>00151             <span class="keywordflow">return</span> dict;
<a name="l00152"></a>00152         }
<a name="l00153"></a>00153         ++itr;
<a name="l00154"></a>00154     }
<a name="l00155"></a>00155 
<a name="l00156"></a>00156     <span class="keywordflow">return</span> 0;
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158 
<a name="l00159"></a><a class="code" href="classKSpell2_1_1Broker.html#a85945fb5673671d6976cdfbe62b2ba08">00159</a> <a class="codeRef" href="qstringlist.html">QStringList</a> <a class="code" href="classKSpell2_1_1Broker.html#a85945fb5673671d6976cdfbe62b2ba08" title="Returns names of all supported clients (e.g.">Broker::clients</a>()<span class="keyword"> const</span>
<a name="l00160"></a>00160 <span class="keyword"></span>{
<a name="l00161"></a>00161     <span class="keywordflow">return</span> d-&gt;clients;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 
<a name="l00164"></a><a class="code" href="classKSpell2_1_1Broker.html#aaf6597846f8c02fdeabec9ddd9056f97">00164</a> <a class="codeRef" href="qstringlist.html">QStringList</a> <a class="code" href="classKSpell2_1_1Broker.html#aaf6597846f8c02fdeabec9ddd9056f97" title="Returns a list of supported languages.">Broker::languages</a>()<span class="keyword"> const</span>
<a name="l00165"></a>00165 <span class="keyword"></span>{
<a name="l00166"></a>00166     <span class="keywordflow">return</span> d-&gt;languageClients.keys();
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 
<a name="l00169"></a><a class="code" href="classKSpell2_1_1Broker.html#a7015479936e1e5768648034b99f37171">00169</a> Settings* <a class="code" href="classKSpell2_1_1Broker.html#a7015479936e1e5768648034b99f37171" title="Returns the Settings object used by the broker.">Broker::settings</a>()<span class="keyword"> const</span>
<a name="l00170"></a>00170 <span class="keyword"></span>{
<a name="l00171"></a>00171     <span class="keywordflow">return</span> d-&gt;settings;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173 
<a name="l00174"></a>00174 <span class="keywordtype">void</span> Broker::loadPlugins()
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176     d-&gt;plugins = KPluginInfo::fromServices(
<a name="l00177"></a>00177         KTrader::self()-&gt;query( <span class="stringliteral">&quot;KSpell/Client&quot;</span> ) );
<a name="l00178"></a>00178 
<a name="l00179"></a>00179     <span class="keywordflow">for</span> ( KPluginInfo::List::Iterator itr = d-&gt;plugins.begin();
<a name="l00180"></a>00180           itr != d-&gt;plugins.end(); ++itr ) {
<a name="l00181"></a>00181         loadPlugin( ( *itr )-&gt;pluginName() );
<a name="l00182"></a>00182     }
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 
<a name="l00185"></a>00185 <span class="keywordtype">void</span> Broker::loadPlugin( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>&amp; pluginId )
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187     <span class="keywordtype">int</span> error = 0;
<a name="l00188"></a>00188 
<a name="l00189"></a>00189     kdDebug()&lt;&lt;<span class="stringliteral">&quot;Loading plugin &quot;</span> &lt;&lt; pluginId &lt;&lt; endl;
<a name="l00190"></a>00190 
<a name="l00191"></a>00191     Client *client = KParts::ComponentFactory::createInstanceFromQuery&lt;Client&gt;(
<a name="l00192"></a>00192         <a class="codeRef" href="qstring.html#fromLatin1">QString::fromLatin1</a>( <span class="stringliteral">&quot;KSpell/Client&quot;</span> ),
<a name="l00193"></a>00193         <a class="codeRef" href="qstring.html#fromLatin1">QString::fromLatin1</a>( <span class="stringliteral">&quot;[X-KDE-PluginInfo-Name]==&#39;%1&#39;&quot;</span> ).arg( pluginId ),
<a name="l00194"></a>00194         <span class="keyword">this</span>, 0, <a class="codeRef" href="qstringlist.html">QStringList</a>(), &amp;error );
<a name="l00195"></a>00195 
<a name="l00196"></a>00196     <span class="keywordflow">if</span> ( client )
<a name="l00197"></a>00197     {
<a name="l00198"></a>00198         <a class="codeRef" href="qstringlist.html">QStringList</a> <a class="code" href="classKSpell2_1_1Broker.html#aaf6597846f8c02fdeabec9ddd9056f97" title="Returns a list of supported languages.">languages</a> = client-&gt;languages();
<a name="l00199"></a>00199         d-&gt;clients.append( client-&gt;name() );
<a name="l00200"></a>00200 
<a name="l00201"></a>00201         <span class="keywordflow">for</span> ( QStringList::Iterator itr = languages.begin();
<a name="l00202"></a>00202               itr != languages.end(); ++itr ) {
<a name="l00203"></a>00203             <span class="keywordflow">if</span> ( !d-&gt;languageClients[ *itr ].isEmpty() &amp;&amp;
<a name="l00204"></a>00204                  client-&gt;reliability() &lt; d-&gt;languageClients[ *itr ].first()-&gt;reliability() )
<a name="l00205"></a>00205                 d-&gt;languageClients[ *itr ].append( client );
<a name="l00206"></a>00206             <span class="keywordflow">else</span>
<a name="l00207"></a>00207                 d-&gt;languageClients[ *itr ].prepend( client );
<a name="l00208"></a>00208         }
<a name="l00209"></a>00209 
<a name="l00210"></a>00210         kdDebug() &lt;&lt; k_funcinfo &lt;&lt; <span class="stringliteral">&quot;Successfully loaded plugin &#39;&quot;</span>
<a name="l00211"></a>00211                   &lt;&lt; pluginId &lt;&lt; <span class="stringliteral">&quot;&#39;&quot;</span> &lt;&lt; endl;
<a name="l00212"></a>00212     }
<a name="l00213"></a>00213     <span class="keywordflow">else</span>
<a name="l00214"></a>00214     {
<a name="l00215"></a>00215         <span class="keywordflow">switch</span>( error )
<a name="l00216"></a>00216         {
<a name="l00217"></a>00217         <span class="keywordflow">case</span> KParts::ComponentFactory::ErrNoServiceFound:
<a name="l00218"></a>00218             kdDebug() &lt;&lt; k_funcinfo &lt;&lt; <span class="stringliteral">&quot;No service implementing the given mimetype &quot;</span>
<a name="l00219"></a>00219                       &lt;&lt; <span class="stringliteral">&quot;and fullfilling the given constraint expression can be found.&quot;</span>
<a name="l00220"></a>00220                       &lt;&lt; endl;
<a name="l00221"></a>00221             <span class="keywordflow">break</span>;
<a name="l00222"></a>00222         <span class="keywordflow">case</span> KParts::ComponentFactory::ErrServiceProvidesNoLibrary:
<a name="l00223"></a>00223             kdDebug() &lt;&lt; <span class="stringliteral">&quot;the specified service provides no shared library.&quot;</span> &lt;&lt; endl;
<a name="l00224"></a>00224             <span class="keywordflow">break</span>;
<a name="l00225"></a>00225         <span class="keywordflow">case</span> KParts::ComponentFactory::ErrNoLibrary:
<a name="l00226"></a>00226             kdDebug() &lt;&lt; <span class="stringliteral">&quot;the specified library could not be loaded.&quot;</span> &lt;&lt; endl;
<a name="l00227"></a>00227             <span class="keywordflow">break</span>;
<a name="l00228"></a>00228         <span class="keywordflow">case</span> KParts::ComponentFactory::ErrNoFactory:
<a name="l00229"></a>00229             kdDebug() &lt;&lt; <span class="stringliteral">&quot;the library does not export a factory for creating components.&quot;</span>
<a name="l00230"></a>00230                       &lt;&lt; endl;
<a name="l00231"></a>00231             <span class="keywordflow">break</span>;
<a name="l00232"></a>00232         <span class="keywordflow">case</span> KParts::ComponentFactory::ErrNoComponent:
<a name="l00233"></a>00233             kdDebug() &lt;&lt; <span class="stringliteral">&quot;the factory does not support creating &quot;</span>
<a name="l00234"></a>00234                       &lt;&lt; <span class="stringliteral">&quot;components of the specified type.&quot;</span>
<a name="l00235"></a>00235                       &lt;&lt; endl;
<a name="l00236"></a>00236             <span class="keywordflow">break</span>;
<a name="l00237"></a>00237         }
<a name="l00238"></a>00238 
<a name="l00239"></a>00239         kdDebug() &lt;&lt; k_funcinfo &lt;&lt; <span class="stringliteral">&quot;Loading plugin &#39;&quot;</span> &lt;&lt; pluginId
<a name="l00240"></a>00240                   &lt;&lt; <span class="stringliteral">&quot;&#39; failed, KLibLoader reported error: &#39;&quot;</span> &lt;&lt; endl
<a name="l00241"></a>00241                   &lt;&lt; KLibLoader::self()-&gt;lastErrorMessage() &lt;&lt; <span class="stringliteral">&quot;&#39;&quot;</span> &lt;&lt; endl;
<a name="l00242"></a>00242     }
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244 
<a name="l00245"></a>00245 <span class="keywordtype">void</span> Broker::changed()
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247     emit <a class="code" href="classKSpell2_1_1Broker.html#a5f33f79659ed4b1c2144396239d33b83" title="Signal is emitted whenever the Settings object associated with this Broker changes.">configurationChanged</a>();
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249 
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251 
<a name="l00252"></a>00252 <span class="preprocessor">#include &quot;broker.moc&quot;</span>
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