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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">loader.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"> * loader.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> <span class="preprocessor">#include "loader.h"</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 "documentsource.h"</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "feed.h"</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "global.h"</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "parsercollection.h"</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <kio/global.h></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <kurl.h></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 <QtCore/QBuffer></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <QtCore/QRegExp></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <QtCore/QStringList></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <boost/shared_ptr.hpp></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">// test: TODO remove</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>Syndication {</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="keyword">struct </span>Loader::LoaderPrivate</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  LoaderPrivate() : retriever(0), lastError(<a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4afc529f9c4f5522dd1b4119293e398a68" title="No error occurred, feed was fetched and parsed successfully.">Success</a>),</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="classSyndication_1_1Loader.html#ad50645b8bc53096830f036a814b481ca" title="the error code returned from the retriever.">retrieverError</a>(0)</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</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> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  ~LoaderPrivate()</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="keyword">delete</span> retriever;</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> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  DataRetriever* retriever;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4" title="error code indicating fetching or parsing errors">Syndication::ErrorCode</a> lastError;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">int</span> <a class="code" href="classSyndication_1_1Loader.html#ad50645b8bc53096830f036a814b481ca" title="the error code returned from the retriever.">retrieverError</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  KUrl <a class="code" href="classSyndication_1_1Loader.html#a3d02066a1d42193ee9914acd9ca5727f" title="returns the URL of a feed discovered in the feed source">discoveredFeedURL</a>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  KUrl url;</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_1Loader.html#af904ff721d294dab91d0d3bdfd6c4c6f"> 51</a></span> <a class="code" href="classSyndication_1_1Loader.html" title="This class is the preferred way of loading feed sources.">Loader</a>* <a class="code" href="classSyndication_1_1Loader.html#af904ff721d294dab91d0d3bdfd6c4c6f" title="Constructs a Loader instance.">Loader::create</a>()</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>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classSyndication_1_1Loader.html" title="This class is the preferred way of loading feed sources.">Loader</a>;</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_1Loader.html#a811880955f7750d0f8d9a782d0fefc46"> 56</a></span> <a class="code" href="classSyndication_1_1Loader.html" title="This class is the preferred way of loading feed sources.">Loader</a> *<a class="code" href="classSyndication_1_1Loader.html#af904ff721d294dab91d0d3bdfd6c4c6f" title="Constructs a Loader instance.">Loader::create</a>(QObject* <span class="keywordtype">object</span>, <span class="keyword">const</span> <span class="keywordtype">char</span>* slot)</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>  <a class="code" href="classSyndication_1_1Loader.html" title="This class is the preferred way of loading feed sources.">Loader</a> *loader = <a class="code" href="classSyndication_1_1Loader.html#af904ff721d294dab91d0d3bdfd6c4c6f" title="Constructs a Loader instance.">create</a>();</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  connect(loader, SIGNAL(<a class="code" href="classSyndication_1_1Loader.html#abc810aa819a7c8edc5aff356a2920e6a" title="This signal gets emitted when the loading process triggered by calling loadFrom() finished...">loadingComplete</a>(<a class="code" href="classSyndication_1_1Loader.html" title="This class is the preferred way of loading feed sources.">Syndication::Loader</a>*,</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  Syndication::FeedPtr, <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4" title="error code indicating fetching or parsing errors">Syndication::ErrorCode</a>)),</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">object</span>, slot);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> loader;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> Loader::Loader() : d(new LoaderPrivate)</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> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> Loader::~Loader()</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>  <span class="keyword">delete</span> d;</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_1Loader.html#a6be7f5d4672a0758cebcc2ec94a8aaab"> 74</a></span> <span class="keywordtype">void</span> <a class="code" href="classSyndication_1_1Loader.html#a966e3290ce15d5c195d25dcc901b435a" title="Loads the feed source referenced by the given URL using the specified retrieval algorithm.">Loader::loadFrom</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>  <a class="code" href="classSyndication_1_1Loader.html#a966e3290ce15d5c195d25dcc901b435a" title="Loads the feed source referenced by the given URL using the specified retrieval algorithm.">loadFrom</a>(url, <span class="keyword">new</span> <a class="code" href="classSyndication_1_1FileRetriever.html" title="Implements a file retriever, to be used with Loader::loadFrom().">FileRetriever</a>);</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> </div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="code" href="classSyndication_1_1Loader.html#a966e3290ce15d5c195d25dcc901b435a"> 79</a></span> <span class="keywordtype">void</span> <a class="code" href="classSyndication_1_1Loader.html#a966e3290ce15d5c195d25dcc901b435a" title="Loads the feed source referenced by the given URL using the specified retrieval algorithm.">Loader::loadFrom</a>(<span class="keyword">const</span> KUrl &url, <a class="code" href="classSyndication_1_1DataRetriever.html" title="Abstract baseclass for all data retriever classes.">DataRetriever</a> *retriever)</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>  <span class="keywordflow">if</span> (d->retriever != 0L)</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span>;</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>  d->url = url;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  d->retriever = retriever;</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>  connect(d->retriever, SIGNAL(dataRetrieved(QByteArray,<span class="keywordtype">bool</span>)),</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">this</span>, SLOT(slotRetrieverDone(QByteArray,<span class="keywordtype">bool</span>)));</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>  d->retriever->retrieveData(url);</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> </div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="classSyndication_1_1Loader.html#ad50645b8bc53096830f036a814b481ca"> 93</a></span> <span class="keywordtype">int</span> <a class="code" href="classSyndication_1_1Loader.html#ad50645b8bc53096830f036a814b481ca" title="the error code returned from the retriever.">Loader::retrieverError</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> d->retrieverError;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="code" href="classSyndication_1_1Loader.html#aebd2315194778366e1aa1b281c70a64d"> 98</a></span> <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4" title="error code indicating fetching or parsing errors">Syndication::ErrorCode</a> <a class="code" href="classSyndication_1_1Loader.html#aebd2315194778366e1aa1b281c70a64d" title="Retrieves the error code of the last loading process (if any).">Loader::errorCode</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> d->lastError;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="code" href="classSyndication_1_1Loader.html#ac70585eee719d1d6879539bc3e63f541"> 103</a></span> <span class="keywordtype">void</span> <a class="code" href="classSyndication_1_1Loader.html#ac70585eee719d1d6879539bc3e63f541" title="aborts the loading process">Loader::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="keywordflow">if</span> (d && d->retriever)</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  d->retriever->abort();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">delete</span> d->retriever;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  d->retriever = 0L;</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> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  emit <a class="code" href="classSyndication_1_1Loader.html#abc810aa819a7c8edc5aff356a2920e6a" title="This signal gets emitted when the loading process triggered by calling loadFrom() finished...">loadingComplete</a>(<span class="keyword">this</span>, FeedPtr(), <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4a9fff8c2ba122f9fb756985915c1d4d22" title="file downloading/parsing was aborted by the user">Aborted</a>);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">delete</span> <span class="keyword">this</span>;</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"><a class="code" href="classSyndication_1_1Loader.html#a3d02066a1d42193ee9914acd9ca5727f"> 116</a></span> KUrl <a class="code" href="classSyndication_1_1Loader.html#a3d02066a1d42193ee9914acd9ca5727f" title="returns the URL of a feed discovered in the feed source">Loader::discoveredFeedURL</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> d->discoveredFeedURL;</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="keywordtype">void</span> Loader::slotRetrieverDone(<span class="keyword">const</span> QByteArray& data, <span class="keywordtype">bool</span> success)</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>  d->retrieverError = d->retriever->errorCode();</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4" title="error code indicating fetching or parsing errors">ErrorCode</a> status = <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4afc529f9c4f5522dd1b4119293e398a68" title="No error occurred, feed was fetched and parsed successfully.">Success</a>;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  FeedPtr feed;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">bool</span> isFileRetriever = <span class="keyword">dynamic_cast<</span><a class="code" href="classSyndication_1_1FileRetriever.html" title="Implements a file retriever, to be used with Loader::loadFrom().">FileRetriever</a>*<span class="keyword">></span>(d->retriever) != 0;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">delete</span> d->retriever;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  d->retriever = 0;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (success)</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>  <a class="code" href="classSyndication_1_1DocumentSource.html" title="Represents the source of a syndication document, as read from the downloaded file.">DocumentSource</a> src(data, d->url.url());</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  feed = <a class="code" href="namespaceSyndication.html#af2e53b977bf4b6d9a28ee4cbffd482a9" title="The default ParserCollection instance parsing a DocumentSource into a Feed object.">parserCollection</a>()->parse(src);</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="keywordflow">if</span> (<a class="code" href="namespaceSyndication.html#af2e53b977bf4b6d9a28ee4cbffd482a9" title="The default ParserCollection instance parsing a DocumentSource into a Feed object.">parserCollection</a>()->lastError() != <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4afc529f9c4f5522dd1b4119293e398a68" title="No error occurred, feed was fetched and parsed successfully.">Syndication::Success</a>)</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  status = <a class="code" href="namespaceSyndication.html#af2e53b977bf4b6d9a28ee4cbffd482a9" title="The default ParserCollection instance parsing a DocumentSource into a Feed object.">parserCollection</a>()->lastError();</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  discoverFeeds(data);</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"> 141</span>  <span class="keywordflow">else</span></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> (isFileRetriever)</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>  <span class="comment">// retriever is a FileRetriever, so we interpret the</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// error code and set lastError accordingly</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  status = <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4a602d3acd5244927ee6fb208118ac4fae" title="the host was contacted successfully, but reported a 404 error">FileNotFound</a>; <span class="comment">// TODO</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  std::cout << <span class="stringliteral">"file retriever error: "</span> << d->retrieverError << std::endl;</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="keywordflow">else</span></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>  <span class="comment">// retriever is a custom impl, so we set OtherRetrieverError</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  status = <a class="code" href="namespaceSyndication.html#aaf92d762df59845c8a311e4d08e2d4e4a3a25b1f0a209f17222436aea681921d7" title="retriever error not covered by the error codes above.">OtherRetrieverError</a>;</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> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  emit <a class="code" href="classSyndication_1_1Loader.html#abc810aa819a7c8edc5aff356a2920e6a" title="This signal gets emitted when the loading process triggered by calling loadFrom() finished...">loadingComplete</a>(<span class="keyword">this</span>, feed, status);</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="keyword">delete</span> <span class="keyword">this</span>;</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> <span class="keywordtype">void</span> Loader::discoverFeeds(<span class="keyword">const</span> QByteArray &data)</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  QString str = QString::fromLatin1(data.constData()).simplified();</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  QString s2;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">//QTextStream ts( &str, QIODevice::WriteOnly );</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">//ts << data.data();</span></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>  <span class="comment">// "<[\\s]link[^>]*rel[\\s]=[\\s]\\\"[\\s]alternate[\\s]\\\"[^>]*>"</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// "type[\\s]=[\\s]\\\"application/rss+xml\\\""</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// "href[\\s]=[\\s]\\\"application/rss+xml\\\""</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  QRegExp rx( QLatin1String(<span class="stringliteral">"(?:REL)[^=]*=[^sAa]*(?:service.feed|ALTERNATE)[\\s]*[^s][^s](?:[^>]*)(?:HREF)[^=]*=[^A-Z0-9-_~,./$]*([^'\">\\s]*)"</span>), Qt::CaseInsensitive );</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (rx.indexIn(str)!=-1)</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  s2=rx.cap(1);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// does not support Atom/RSS autodiscovery.. try finding feeds by brute force....</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">int</span> pos=0;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  QStringList feeds;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  QString host=d->url.host();</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  rx.setPattern(QLatin1String(<span class="stringliteral">"(?:<A )[^H]*(?:HREF)[^=]*=[^A-Z0-9-_~,./]*([^'\">\\s]*)"</span>));</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">while</span> ( pos >= 0 ) {</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  pos = rx.indexIn( str, pos );</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  s2=rx.cap(1);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (s2.endsWith(QLatin1String(<span class="stringliteral">".rdf"</span>)) ||</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  s2.endsWith(QLatin1String(<span class="stringliteral">".rss"</span>)) || </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  s2.endsWith(QLatin1String(<span class="stringliteral">".xml"</span>)))</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  feeds.append(s2);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> ( pos >= 0 ) {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  pos += rx.matchedLength();</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"> 192</span> </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  KUrl testURL;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// loop through, prefer feeds on same host</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  QStringList::const_iterator end( feeds.constEnd() );</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">for</span> ( QStringList::const_iterator it = feeds.constBegin(); it != end; ++it ) {</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  testURL=*it;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (testURL.host()==host)</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  s2=*it;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">break</span>;</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>  }</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> </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (s2.isNull())</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="keywordflow">return</span>;</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> </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (KUrl::isRelativeUrl(s2))</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>  <span class="keywordflow">if</span> (s2.startsWith(QLatin1String(<span class="stringliteral">"//"</span>)))</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>  s2=s2.prepend(d->url.protocol()+QLatin1Char(<span class="charliteral">':'</span>));</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  d->discoveredFeedURL=s2;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s2.startsWith(QLatin1Char(<span class="charliteral">'/'</span>)))</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  d->discoveredFeedURL=d->url;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  d->discoveredFeedURL.setPath(s2);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  d->discoveredFeedURL=d->url;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  d->discoveredFeedURL.addPath(s2);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  d->discoveredFeedURL.cleanPath();</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  d->discoveredFeedURL=s2;</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  d->discoveredFeedURL.cleanPath();</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> }</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> } <span class="comment">// namespace Syndication</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
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