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<h2><a name="content"></a>Syndication Library</h2>
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<li class="navelem"><a class="el" href="dir_1ff732194ed32930b622c98cfadfdf06.html">syndication</a></li> </ul>
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<div class="title">dataretriever.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"> * dataretriever.cpp</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (c) 2001, 2002, 2003 Frerich Raabe <raabe@kde.org></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This program is distributed in the hope that it will be useful, but WITHOUT</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * accompanying file 'COPYING'.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "dataretriever.h"</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "global.h"</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <kio/job.h></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <kprocess.h></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <kurl.h></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <QtCore/QBuffer></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <QtCore/QTimer></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="keyword">namespace </span>Syndication {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="classSyndication_1_1DataRetriever.html#a86a9e2c1c9a6cccf047a41d3e1371cc7"> 25</a></span> <a class="code" href="classSyndication_1_1DataRetriever.html#a86a9e2c1c9a6cccf047a41d3e1371cc7" title="Default constructor.">DataRetriever::DataRetriever</a>()</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> }</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="classSyndication_1_1DataRetriever.html#a90c903044d2982affef233fa112d3ebd"> 29</a></span> <a class="code" href="classSyndication_1_1DataRetriever.html#a90c903044d2982affef233fa112d3ebd" title="Destructor.">DataRetriever::~DataRetriever</a>()</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</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> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">struct </span>FileRetriever::FileRetrieverPrivate</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  FileRetrieverPrivate()</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  : buffer(NULL),</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  lastError(0), job(NULL)</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</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>  ~FileRetrieverPrivate()</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">delete</span> buffer;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  QBuffer *buffer;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">int</span> lastError;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  KIO::TransferJob *job;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</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"><a class="code" href="classSyndication_1_1FileRetriever.html#ad600efc83f80ea7029369258cac1167d"> 51</a></span> <a class="code" href="classSyndication_1_1FileRetriever.html#ad600efc83f80ea7029369258cac1167d" title="Default constructor.">FileRetriever::FileRetriever</a>()</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  : d(new FileRetrieverPrivate)</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</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> </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="classSyndication_1_1FileRetriever.html#a7e944695846c61f6863ff47716fe8c76"> 56</a></span> <a class="code" href="classSyndication_1_1FileRetriever.html#a7e944695846c61f6863ff47716fe8c76" title="Destructor.">FileRetriever::~FileRetriever</a>()</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">delete</span> d;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</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> <span class="keywordtype">bool</span> FileRetriever::m_useCache = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> QString FileRetriever::m_userAgent = QString::fromLatin1(<span class="stringliteral">"Syndication %1"</span>).arg(QString::fromLatin1(SYNDICATION_VERSION));</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="classSyndication_1_1FileRetriever.html#a8c4a16966f4c5220c778af12dcc72710"> 64</a></span> <span class="keywordtype">void</span> <a class="code" href="classSyndication_1_1FileRetriever.html#a8c4a16966f4c5220c778af12dcc72710" title="sets the user agent string sent to the remote server">FileRetriever::setUserAgent</a>(<span class="keyword">const</span> QString& userAgent)</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>  m_userAgent = userAgent;</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> </div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="classSyndication_1_1FileRetriever.html#aef4c6474705eab101fbae10e03be02a6"> 69</a></span> <span class="keywordtype">void</span> <a class="code" href="classSyndication_1_1FileRetriever.html#aef4c6474705eab101fbae10e03be02a6" title="sets whether the retriever should use the KHTML cache or always refetch the file.">FileRetriever::setUseCache</a>(<span class="keywordtype">bool</span> enabled)</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  m_useCache = enabled;</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> </div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="classSyndication_1_1FileRetriever.html#a313251adcaed47131fc9d7ab353c0d6f"> 74</a></span> <span class="keywordtype">void</span> <a class="code" href="classSyndication_1_1FileRetriever.html#a313251adcaed47131fc9d7ab353c0d6f" title="Downloads the file referenced by the given URL and passes it's contents on to the Loader...">FileRetriever::retrieveData</a>(<span class="keyword">const</span> KUrl &url)</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (d->buffer)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  d->buffer = <span class="keyword">new</span> QBuffer;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  d->buffer->open(QIODevice::WriteOnly);</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>  KUrl u = url;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (u.protocol() == QLatin1String(<span class="stringliteral">"feed"</span>))</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  u.setProtocol(QLatin1String(<span class="stringliteral">"http"</span>));</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>  d->job = KIO::get(u, KIO::NoReload, KIO::HideProgressInfo);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  d->job->addMetaData(QLatin1String(<span class="stringliteral">"UserAgent"</span>), m_userAgent);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  d->job->addMetaData(QLatin1String(<span class="stringliteral">"cache"</span>), m_useCache ? QLatin1String(<span class="stringliteral">"refresh"</span>) : QLatin1String(<span class="stringliteral">"reload"</span>));</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  QTimer::singleShot(1000*90, <span class="keyword">this</span>, SLOT(slotTimeout()));</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  connect(d->job, SIGNAL(data(KIO::Job*,QByteArray)),</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  SLOT(slotData(KIO::Job*,QByteArray)));</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  connect(d->job, SIGNAL(result(KJob*)), SLOT(slotResult(KJob*)));</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  connect(d->job, SIGNAL(<a class="code" href="classSyndication_1_1FileRetriever.html#a518804a22f9c9507e17039b9c5d3949f" title="Signals a permanent redirection.">permanentRedirection</a>(KIO::Job*,KUrl,KUrl)),</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  SLOT(slotPermanentRedirection(KIO::Job*,KUrl,KUrl)));</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> <span class="keywordtype">void</span> FileRetriever::slotTimeout()</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="classSyndication_1_1FileRetriever.html#a8acd1f7620ebcc5fd5840b5bc19e9776" title="aborts the retrieval process.">abort</a>();</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>  <span class="keyword">delete</span> d->buffer;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  d->buffer = NULL;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  d->lastError = KIO::ERR_SERVER_TIMEOUT;</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>  emit <a class="code" href="classSyndication_1_1DataRetriever.html#af5dd1af46dcd51d6a166c73d25b2894e" title="Emit this signal to tell the Loader class that the retrieval process was finished.">dataRetrieved</a>(QByteArray(), <span class="keyword">false</span>);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="code" href="classSyndication_1_1FileRetriever.html#a1ae7ac893077750cd8f2366b3eb4b38c"> 113</a></span> <span class="keywordtype">int</span> <a class="code" href="classSyndication_1_1FileRetriever.html#a1ae7ac893077750cd8f2366b3eb4b38c">FileRetriever::errorCode</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> d->lastError;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keywordtype">void</span> FileRetriever::slotData(KIO::Job *, <span class="keyword">const</span> QByteArray &data)</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>  d->buffer->write(data.data(), data.size());</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</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="keywordtype">void</span> FileRetriever::slotResult(KJob *job)</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>  QByteArray data = d->buffer->buffer();</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  data.detach();</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">delete</span> d->buffer;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  d->buffer = NULL;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  d->lastError = job->error();</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  emit <a class="code" href="classSyndication_1_1DataRetriever.html#af5dd1af46dcd51d6a166c73d25b2894e" title="Emit this signal to tell the Loader class that the retrieval process was finished.">dataRetrieved</a>(data, d->lastError == 0);</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> </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">void</span> FileRetriever::slotPermanentRedirection(KIO::Job*, <span class="keyword">const</span> KUrl&,</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">const</span> KUrl& newUrl)</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>  emit <a class="code" href="classSyndication_1_1FileRetriever.html#a518804a22f9c9507e17039b9c5d3949f" title="Signals a permanent redirection.">permanentRedirection</a>(newUrl);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"><a class="code" href="classSyndication_1_1FileRetriever.html#a8acd1f7620ebcc5fd5840b5bc19e9776"> 141</a></span> <span class="keywordtype">void</span> <a class="code" href="classSyndication_1_1FileRetriever.html#a8acd1f7620ebcc5fd5840b5bc19e9776" title="aborts the retrieval process.">FileRetriever::abort</a>()</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>  <span class="keywordflow">if</span> (d->job)</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  d->job->kill();</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  d->job = NULL;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</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> </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">struct </span>OutputRetriever::OutputRetrieverPrivate</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  OutputRetrieverPrivate() : process(0L), buffer(0L), lastError(0)</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  ~OutputRetrieverPrivate()</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">delete</span> process;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">delete</span> buffer;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  KProcess *process;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  QBuffer *buffer;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">int</span> lastError;</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> </div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="code" href="classSyndication_1_1OutputRetriever.html#ac2bc4fb8c83f2a1c1e85e4d95ceefa38"> 167</a></span> <a class="code" href="classSyndication_1_1OutputRetriever.html#ac2bc4fb8c83f2a1c1e85e4d95ceefa38" title="Default constructor.">OutputRetriever::OutputRetriever</a>() : d(new OutputRetrieverPrivate)</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"><a class="code" href="classSyndication_1_1OutputRetriever.html#a7220001d057f39cbc25885573be8b19a"> 171</a></span> <a class="code" href="classSyndication_1_1OutputRetriever.html#a7220001d057f39cbc25885573be8b19a" title="Destructor.">OutputRetriever::~OutputRetriever</a>()</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">delete</span> d;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> }</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a name="l00176"></a><span class="lineno"><a class="code" href="classSyndication_1_1OutputRetriever.html#ad5c039650a6583b31dd30038a223eda2"> 176</a></span> <span class="keywordtype">void</span> <a class="code" href="classSyndication_1_1OutputRetriever.html#ad5c039650a6583b31dd30038a223eda2" title="Executes the program referenced by the given URL and retrieves the data which the program prints to s...">OutputRetriever::retrieveData</a>(<span class="keyword">const</span> KUrl &url)</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> {</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// Ignore subsequent calls if we didn't finish the previous job yet.</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (d->buffer || d->process)</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  d->buffer = <span class="keyword">new</span> QBuffer;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  d->buffer->open(QIODevice::WriteOnly);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  d->process = <span class="keyword">new</span> KProcess();</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  connect(d->process, SIGNAL(finished(<span class="keywordtype">int</span>,QProcess::ExitStatus)),</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  SLOT(slotFinished(<span class="keywordtype">int</span>,QProcess::ExitStatus)));</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  d->process->setShellCommand(url.path());</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  d->process->start();</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a name="l00192"></a><span class="lineno"><a class="code" href="classSyndication_1_1OutputRetriever.html#a25c573996f040c1f0b1141747e96093b"> 192</a></span> <span class="keywordtype">int</span> <a class="code" href="classSyndication_1_1OutputRetriever.html#a25c573996f040c1f0b1141747e96093b">OutputRetriever::errorCode</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> d->lastError;</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> </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="keywordtype">void</span> OutputRetriever::slotFinished(<span class="keywordtype">int</span> exitCode, QProcess::ExitStatus exitStatus)</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> {</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  Q_UNUSED( exitCode );</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (!d->process->exitCode())</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  d->lastError = d->process->exitCode();</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  QByteArray data = d->process->readAllStandardOutput();</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">delete</span> d->buffer;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  d->buffer = NULL;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">int</span> code = d->process->exitCode();</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">delete</span> d->process;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  d->process = NULL;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  emit <a class="code" href="classSyndication_1_1DataRetriever.html#af5dd1af46dcd51d6a166c73d25b2894e" title="Emit this signal to tell the Loader class that the retrieval process was finished.">dataRetrieved</a>(data, exitStatus == QProcess::NormalExit && code == 0);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> }</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> } <span class="comment">// namespace Syndication</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
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