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<h2><a name="content"></a>akonadi</h2>
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<div class="title">typepluginloader.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Copyright (c) 2007 Till Adam <adam@kde.org></span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (c) 2007 Volker Krause <vkrause@kde.org></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> This library is free software; you can redistribute it and/or modify it</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> under the terms of the GNU Library General Public License as published by</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> the Free Software Foundation; either version 2 of the License, or (at your</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> option) any later version.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> This library is distributed in the hope that it will be useful, but WITHOUT</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> License for more details.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> You should have received a copy of the GNU Library General Public License</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to the</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> 02110-1301, USA.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "typepluginloader_p.h"</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "item.h"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "itemserializer_p.h"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "itemserializerplugin.h"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// KDE core</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <kdebug.h></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <kmimetype.h></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <kglobal.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// Qt</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <QtCore/QHash></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <QtCore/QString></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <QtCore/QByteArray></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <QtCore/QStringList></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <boost/graph/adjacency_list.hpp></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <boost/graph/topological_sort.hpp></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// temporary</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "pluginloader_p.h"</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <cassert></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> LEGACY_NAME[] = <span class="stringliteral">"legacy"</span>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> DEFAULT_NAME[] = <span class="stringliteral">"default"</span>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> _APPLICATION_OCTETSTREAM[] = <span class="stringliteral">"application/octet-stream"</span>;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">namespace </span>Akonadi {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> K_GLOBAL_STATIC( DefaultItemSerializerPlugin, s_defaultItemSerializerPlugin )</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> class PluginEntry</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  PluginEntry()</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  : mPlugin( 0 )</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">explicit</span> PluginEntry( <span class="keyword">const</span> QString &identifier, QObject *plugin = 0 )</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  : mIdentifier( identifier ), mPlugin( plugin )</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  QObject* plugin()<span class="keyword"> const</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> ( mPlugin )</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> mPlugin;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  QObject *<span class="keywordtype">object</span> = PluginLoader::self()->createForName( mIdentifier );</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> ( !<span class="keywordtype">object</span> ) {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  kWarning() << <span class="stringliteral">"ItemSerializerPluginLoader: "</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  << <span class="stringliteral">"plugin"</span> << mIdentifier << <span class="stringliteral">"is not valid!"</span> << endl;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// we try to use the default in that case</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  mPlugin = s_defaultItemSerializerPlugin;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  mPlugin = object;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> ( !qobject_cast<ItemSerializerPlugin*>( mPlugin ) ) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  kWarning() << <span class="stringliteral">"ItemSerializerPluginLoader: "</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  << <span class="stringliteral">"plugin"</span> << mIdentifier << <span class="stringliteral">"doesn't provide interface ItemSerializerPlugin!"</span> << endl;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// we try to use the default in that case</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  mPlugin = s_defaultItemSerializerPlugin;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  Q_ASSERT( mPlugin );</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> mPlugin;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * pluginClassName()<span class="keyword"> const</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> plugin()->metaObject()->className();</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  QString identifier()<span class="keyword"> const</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> mIdentifier;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">bool</span> operator<( <span class="keyword">const</span> PluginEntry &other )<span class="keyword"> const</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> mIdentifier < other.mIdentifier;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">bool</span> operator<( <span class="keyword">const</span> QString &identifier )<span class="keyword"> const</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> mIdentifier < identifier;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  QString mIdentifier;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">mutable</span> QObject *mPlugin;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> };</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> operator<( <span class="keyword">const</span> QString &identifier, <span class="keyword">const</span> PluginEntry &entry )</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> identifier < entry.identifier();</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">class </span>MimeTypeEntry</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">explicit</span> MimeTypeEntry( <span class="keyword">const</span> QString & mimeType )</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  : m_mimeType( mimeType ), m_plugins(), m_pluginsByMetaTypeId() {}</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  QString type()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_mimeType; }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">void</span> add( <span class="keyword">const</span> QByteArray & class_, <span class="keyword">const</span> PluginEntry & entry ) {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  m_pluginsByMetaTypeId.clear(); <span class="comment">// iterators will be invalidated by next line</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  m_plugins.insert( class_, entry );</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> PluginEntry * plugin( <span class="keyword">const</span> QByteArray & class_ )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> QHash<QByteArray,PluginEntry>::const_iterator it = m_plugins.find( class_ );</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> it == m_plugins.end() ? 0 : it.operator->() ;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">const</span> PluginEntry * defaultPlugin()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// 1. If there's an explicit default plugin, use that one:</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> ( <span class="keyword">const</span> PluginEntry * pe = plugin( DEFAULT_NAME ) )</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> pe;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// 2. Otherwise, look through the already instantiated plugins,</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// and return one of them (preferably not the legacy one):</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">bool</span> sawZero = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">for</span> ( QMap<<span class="keywordtype">int</span>,QHash<QByteArray,PluginEntry>::const_iterator>::const_iterator it = m_pluginsByMetaTypeId.constBegin(), end = m_pluginsByMetaTypeId.constEnd() ; it != end ; ++it )</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> ( it.key() == 0 )</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  sawZero = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">if</span> ( *it != m_plugins.end() )</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> it->operator->();</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// 3. Otherwise, look through the whole list (again, preferably not the legacy one):</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">for</span> ( QHash<QByteArray,PluginEntry>::const_iterator it = m_plugins.constBegin(), end = m_plugins.constEnd() ; it != end ; ++it )</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> ( it.key() == LEGACY_NAME )</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  sawZero = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> it.operator->() ;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// 4. take the legacy one:</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> ( sawZero )</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> plugin( 0 );</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> PluginEntry * plugin( <span class="keywordtype">int</span> metaTypeId )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">const</span> QMap<int,QHash<QByteArray,PluginEntry>::const_iterator> & c_pluginsByMetaTypeId = m_pluginsByMetaTypeId;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  QMap<int,QHash<QByteArray,PluginEntry>::const_iterator>::const_iterator it = c_pluginsByMetaTypeId.find( metaTypeId );</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> ( it == c_pluginsByMetaTypeId.end() )</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  it = QMap<<span class="keywordtype">int</span>,QHash<QByteArray,PluginEntry>::const_iterator>::const_iterator( m_pluginsByMetaTypeId.insert( metaTypeId, m_plugins.find( metaTypeId ? QMetaType::typeName( metaTypeId ) : LEGACY_NAME ) ) );</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> *it == m_plugins.end() ? 0 : it->operator->() ;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">const</span> PluginEntry * plugin( <span class="keyword">const</span> QVector<int> & metaTypeIds, <span class="keywordtype">int</span> & chosen )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">bool</span> sawZero = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">for</span> ( QVector<int>::const_iterator it = metaTypeIds.begin(), end = metaTypeIds.end() ; it != end ; ++it )</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> ( *it == 0 ) {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  sawZero = <span class="keyword">true</span>; <span class="comment">// skip the legacy type and see if we can find something else first</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( <span class="keyword">const</span> PluginEntry * <span class="keyword">const</span> entry = plugin( *it ) ) {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  chosen = *it;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">return</span> entry;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> ( sawZero ) {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  chosen = 0;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> plugin( 0 );</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  QString m_mimeType;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  QHash< QByteArray<span class="comment">/* class */</span>, PluginEntry > m_plugins;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">mutable</span> QMap<int,QHash<QByteArray,PluginEntry>::const_iterator> m_pluginsByMetaTypeId;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> };</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> operator<( <span class="keyword">const</span> MimeTypeEntry & lhs, <span class="keyword">const</span> MimeTypeEntry & rhs )</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> lhs.type() < rhs.type() ;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> operator<( <span class="keyword">const</span> MimeTypeEntry & lhs, <span class="keyword">const</span> QString & rhs )</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> {</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> lhs.type() < rhs ;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> operator<( <span class="keyword">const</span> QString & lhs, <span class="keyword">const</span> MimeTypeEntry & rhs )</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> {</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> lhs < rhs.type();</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">static</span> QString format( <span class="keyword">const</span> QString & mimeType, <span class="keyword">const</span> QVector<int> & metaTypeIds ) {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> ( metaTypeIds.empty() )</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> QLatin1String( <span class="stringliteral">"default for "</span> ) + mimeType;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  QStringList classTypes;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  Q_FOREACH( <span class="keywordtype">int</span> metaTypeId, metaTypeIds )</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  classTypes.push_back( QString::fromLatin1( metaTypeId ? QMetaType::typeName( metaTypeId ) : LEGACY_NAME ) );</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  return mimeType + QLatin1String("@{<span class="stringliteral">") + classTypes.join(QLatin1String("</span>,<span class="stringliteral">")) + QLatin1Char('}');</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="stringliteral">}</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="stringliteral">class PluginRegistry</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="stringliteral">{</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="stringliteral"> public:</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="stringliteral"> PluginRegistry()</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="stringliteral"> : mDefaultPlugin( PluginEntry( QLatin1String( "</span>application/octet-stream@QByteArray<span class="stringliteral">" ), s_defaultItemSerializerPlugin ) )</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="stringliteral"> {</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="stringliteral"> const PluginLoader* pl = PluginLoader::self();</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="stringliteral"> if ( !pl ) {</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="stringliteral"> kWarning() << "</span>Cannot instantiate plugin loader!<span class="stringliteral">" << endl;</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="stringliteral"> return;</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="stringliteral"> const QStringList names = pl->names();</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="stringliteral"> kDebug() << "</span>ItemSerializerPluginLoader: <span class="stringliteral">"</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="stringliteral"> << "</span>found<span class="stringliteral">" << names.size() << "</span>plugins.<span class="stringliteral">" << endl;</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="stringliteral"> QMap<QString,MimeTypeEntry> map;</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="stringliteral"> QRegExp rx( QLatin1String( "</span>(.+)@(.+)<span class="stringliteral">" ) );</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="stringliteral"> Q_FOREACH ( const QString & name, names )</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="stringliteral"> if ( rx.exactMatch( name ) ) {</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="stringliteral"> KMimeType::Ptr mime = KMimeType::mimeType( rx.cap(1), KMimeType::ResolveAliases );</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="stringliteral"> if ( mime ) {</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="stringliteral"> const QString mimeType = mime->name();</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="stringliteral"> const QByteArray classType = rx.cap(2).toLatin1();</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="stringliteral"> QMap<QString,MimeTypeEntry>::iterator it = map.find( mimeType );</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="stringliteral"> if ( it == map.end() )</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="stringliteral"> it = map.insert( mimeType, MimeTypeEntry( mimeType ) );</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="stringliteral"> it->add( classType, PluginEntry( name ) );</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="stringliteral"> kDebug() << "</span>ItemSerializerPluginLoader: <span class="stringliteral">"</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="stringliteral"> << "</span>name<span class="stringliteral">" << name << "</span>doesn<span class="stringliteral">'t look like mimetype@classtype" << endl;</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="stringliteral"> const QString APPLICATION_OCTETSTREAM = QLatin1String( _APPLICATION_OCTETSTREAM );</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="stringliteral"> QMap<QString,MimeTypeEntry>::iterator it = map.find( APPLICATION_OCTETSTREAM );</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="stringliteral"> if ( it == map.end() )</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="stringliteral"> it = map.insert( APPLICATION_OCTETSTREAM, MimeTypeEntry( APPLICATION_OCTETSTREAM ) );</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="stringliteral"> it->add( "QByteArray", mDefaultPlugin );</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="stringliteral"> it->add( LEGACY_NAME, mDefaultPlugin );</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="stringliteral"> const int size = map.size();</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="stringliteral"> allMimeTypes.reserve( size );</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="stringliteral"> std::copy( map.begin(), map.end(),</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="stringliteral"> std::back_inserter( allMimeTypes ) );</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="stringliteral"> QObject * findBestMatch( const QString & type, const QVector<int> & metaTypeId, TypePluginLoader::Options opt ) {</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="stringliteral"> if ( QObject * const plugin = findBestMatch( type, metaTypeId ) ) {</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="stringliteral"> if ( ( opt & TypePluginLoader::NoDefault ) && plugin == mDefaultPlugin.plugin() )</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="stringliteral"> return 0;</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="stringliteral"> return plugin;</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="stringliteral"> return 0;</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="stringliteral"> QObject * findBestMatch( const QString & type, const QVector<int> & metaTypeIds ) {</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="stringliteral"> if ( QObject * const plugin = cacheLookup( type, metaTypeIds ) )</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="stringliteral"> // plugin cached, so let'</span>s take that one</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">return</span> plugin;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordtype">int</span> chosen = -1;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  QObject * <span class="keyword">const</span> plugin = findBestMatchImpl( type, metaTypeIds, chosen );</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> ( metaTypeIds.empty() )</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> ( plugin )</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  cachedDefaultPlugins[type] = plugin;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> ( chosen >= 0 )</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  cachedPlugins[type][chosen] = plugin;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> plugin;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  QObject * findBestMatchImpl( <span class="keyword">const</span> QString &type, <span class="keyword">const</span> QVector<int> & metaTypeIds, <span class="keywordtype">int</span> & chosen )<span class="keyword"> const</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  KMimeType::Ptr mimeType = KMimeType::mimeType( type, KMimeType::ResolveAliases );</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span> ( mimeType.isNull() )</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> mDefaultPlugin.plugin();</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// step 1: find all plugins that match at all</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  QVector<int> matchingIndexes;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0, end = allMimeTypes.size(); i < end; ++i ) {</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> ( mimeType->is( allMimeTypes[i].type() ) )</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  matchingIndexes.append( i );</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// step 2: if we have more than one match, find the most specific one using topological sort</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  QVector<int> order;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span> ( matchingIndexes.size() <= 1 ) {</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  order.push_back( 0 );</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  boost::adjacency_list<> graph( matchingIndexes.size() );</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0, end = matchingIndexes.size() ; i != end ; ++i ) {</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  KMimeType::Ptr mimeType = KMimeType::mimeType( allMimeTypes[matchingIndexes[i]].type(), KMimeType::ResolveAliases );</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> ( mimeType.isNull() )</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> j = 0; j != end; ++j ) {</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">if</span> ( i != j && mimeType->is( allMimeTypes[matchingIndexes[j]].type() ) )</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  boost::add_edge( j, i, graph );</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  }</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  order.reserve( matchingIndexes.size() );</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  boost::topological_sort( graph, std::back_inserter( order ) );</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  } <span class="keywordflow">catch</span> ( boost::not_a_dag &e ) {</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  kWarning() << <span class="stringliteral">"Mimetype tree is not a DAG!"</span>;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">return</span> mDefaultPlugin.plugin();</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">// step 3: ask each one in turn if it can handle any of the metaTypeIds:</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment">// kDebug() << "Looking for " << format( type, metaTypeIds );</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">for</span> ( QVector<int>::const_iterator it = order.constBegin(), end = order.constEnd() ; it != end ; ++it ) {</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment">// kDebug() << " Considering serializer plugin for type" << allMimeTypes[matchingIndexes[*it]].type()</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment">// // << "as the closest match";</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">const</span> MimeTypeEntry & mt = allMimeTypes[matchingIndexes[*it]];</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">if</span> ( metaTypeIds.empty() ) {</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">if</span> ( <span class="keyword">const</span> PluginEntry * <span class="keyword">const</span> entry = mt.defaultPlugin() ) {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// kDebug() << " -> got " << entry->pluginClassName() << " and am happy with it.";</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> entry->plugin();</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// kDebug() << " -> no default plugin for this mime type, trying next";</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  }</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( <span class="keyword">const</span> PluginEntry * <span class="keyword">const</span> entry = mt.plugin( metaTypeIds, chosen ) ) {</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// kDebug() << " -> got " << entry->pluginClassName() << " and am happy with it.";</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">return</span> entry->plugin();</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// kDebug() << " -> can't handle any of the types, trying next";</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  }</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment">// kDebug() << " No further candidates, using default plugin";</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">// no luck? Use the default plugin</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">return</span> mDefaultPlugin.plugin();</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  std::vector<MimeTypeEntry> allMimeTypes;</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  QHash<QString, QMap<int,QObject*> > cachedPlugins;</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  QHash<QString, QObject*> cachedDefaultPlugins;</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// ### cache NULLs, too</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  QObject * cacheLookup( <span class="keyword">const</span> QString & mimeType, <span class="keyword">const</span> QVector<int> & metaTypeIds )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">if</span> ( metaTypeIds.empty() ) {</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keyword">const</span> QHash<QString,QObject*>::const_iterator hit = cachedDefaultPlugins.find( mimeType );</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">if</span> ( hit != cachedDefaultPlugins.end() )</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">return</span> *hit;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> </div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keyword">const</span> QHash<QString,QMap<int,QObject*> >::const_iterator hit = cachedPlugins.find( mimeType );</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> ( hit == cachedPlugins.end() )</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordtype">bool</span> sawZero = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">for</span> ( QVector<int>::const_iterator it = metaTypeIds.begin(), end = metaTypeIds.end() ; it != end ; ++it )</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">if</span> ( *it == 0 )</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  sawZero = <span class="keyword">true</span>; <span class="comment">// skip the legacy type and see if we can find something else first</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( QObject * <span class="keyword">const</span> o = hit->value( *it ) )</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">return</span> o;</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">if</span> ( sawZero )</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">return</span> hit->value( 0 );</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  PluginEntry mDefaultPlugin;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> };</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> K_GLOBAL_STATIC( PluginRegistry, s_pluginRegistry )</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> </div>
<div class="line"><a name="l00389"></a><span class="lineno"><a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#a5d90acac6185237d41a3738cc0909da0"> 389</a></span> QObject* TypePluginLoader::objectForMimeTypeAndClass( const QString &mimetype, const QVector<<span class="keywordtype">int</span>> & metaTypeIds, Options opt )</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> {</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">return</span> s_pluginRegistry->findBestMatch( mimetype, metaTypeIds, opt );</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> }</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="preprocessor"></span>QObject* TypePluginLoader::legacyObjectForMimeType( <span class="keyword">const</span> QString &mimetype ) {</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="comment">// ### impl specifically - only works b/c vector isn't used in impl ###</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">return</span> objectForMimeTypeAndClass( mimetype, QVector<int>( 1, 0 ) );</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> }</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00401"></a><span class="lineno"><a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#ac4c7096cc234973dfa0d3c7839956b33"> 401</a></span> QObject* <a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#ac4c7096cc234973dfa0d3c7839956b33" title="Returns the default type plugin object that matches the given mimetype.">TypePluginLoader::defaultObjectForMimeType</a>( <span class="keyword">const</span> QString &mimetype ) {</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#a5d90acac6185237d41a3738cc0909da0" title="Returns the type plugin object that matches the given mimetype, and any of the classes described by m...">objectForMimeTypeAndClass</a>( mimetype, QVector<int>() );</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> }</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div>
<div class="line"><a name="l00405"></a><span class="lineno"><a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#a31063385559d80cb1553557726d1ef9f"> 405</a></span> <a class="code" href="classAkonadi_1_1ItemSerializerPlugin.html" title="The base class for item type serializer plugins.">ItemSerializerPlugin</a>* <a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#a31063385559d80cb1553557726d1ef9f" title="Returns the item serializer plugin that matches the given mimetype, and any of the classes described ...">TypePluginLoader::pluginForMimeTypeAndClass</a>( <span class="keyword">const</span> QString &mimetype, <span class="keyword">const</span> QVector<int> &metaTypeIds, Options opt )</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> {</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span> qobject_cast<<a class="code" href="classAkonadi_1_1ItemSerializerPlugin.html" title="The base class for item type serializer plugins.">ItemSerializerPlugin</a>*>( <a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#a5d90acac6185237d41a3738cc0909da0" title="Returns the type plugin object that matches the given mimetype, and any of the classes described by m...">objectForMimeTypeAndClass</a>( mimetype, metaTypeIds, opt ) );</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> }</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="preprocessor"></span><a class="code" href="classAkonadi_1_1ItemSerializerPlugin.html" title="The base class for item type serializer plugins.">ItemSerializerPlugin</a>* TypePluginLoader::legacyPluginForMimeType( <span class="keyword">const</span> QString &mimetype ) {</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <a class="code" href="classAkonadi_1_1ItemSerializerPlugin.html" title="The base class for item type serializer plugins.">ItemSerializerPlugin</a>* plugin = qobject_cast<<a class="code" href="classAkonadi_1_1ItemSerializerPlugin.html" title="The base class for item type serializer plugins.">ItemSerializerPlugin</a>*>( legacyObjectForMimeType( mimetype ) );</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  Q_ASSERT( plugin );</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">return</span> plugin;</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> }</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00418"></a><span class="lineno"><a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#a9b4f3d1036c64f3051a5a4bb7b82c744"> 418</a></span> <a class="code" href="classAkonadi_1_1ItemSerializerPlugin.html" title="The base class for item type serializer plugins.">ItemSerializerPlugin</a>* <a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#a9b4f3d1036c64f3051a5a4bb7b82c744" title="Returns the default item serializer plugin that matches the given mimetype.">TypePluginLoader::defaultPluginForMimeType</a>( <span class="keyword">const</span> QString &mimetype ) {</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <a class="code" href="classAkonadi_1_1ItemSerializerPlugin.html" title="The base class for item type serializer plugins.">ItemSerializerPlugin</a>* plugin = qobject_cast<<a class="code" href="classAkonadi_1_1ItemSerializerPlugin.html" title="The base class for item type serializer plugins.">ItemSerializerPlugin</a>*>( <a class="code" href="namespaceAkonadi_1_1TypePluginLoader.html#ac4c7096cc234973dfa0d3c7839956b33" title="Returns the default type plugin object that matches the given mimetype.">defaultObjectForMimeType</a>( mimetype ) );</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  Q_ASSERT( plugin );</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">return</span> plugin;</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> }</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> </div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> }</div>
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