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NICSSParser_8m_source.html
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<!-- HTML header for doxygen 1.8.6-->
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<div id="projectname">NimbusKit
 <span id="projectnumber">1.2.1 - <a href="http://github.com/jverkoey/nimbus">Fork Nimbus on Github</a> - <a href="http://wiki.nimbuskit.info/">Visit the Nimbus Wiki</a></span>
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<div id="projectbrief">The iOS framework that grows only as fast as its documentation</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 2011-2014 NimbusKit</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">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</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">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">//</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">#import "NICSSParser.h"</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#import "CSSTokens.h"</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#import "NimbusCore.h"</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#import <pthread.h></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#if !defined(__has_feature) || !__has_feature(objc_arc)</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#error "Nimbus requires ARC support."</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">static</span> pthread_mutex_t gMutex = PTHREAD_MUTEX_INITIALIZER;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> NSString* <span class="keyword">const</span> kPropertyOrderKey = <span class="stringliteral">@"__kRuleSetOrder__"</span>;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> NSString* <span class="keyword">const</span> kDependenciesSelectorKey = <span class="stringliteral">@"__kDependencies__"</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">// Damn you, flex. Due to the nature of flex we can only have one active parser at any given time.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <a class="code" href="NICSSParser.html">NICSSParser</a>* gActiveParser = nil;</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> <span class="keywordtype">int</span> cssConsume(<span class="keywordtype">char</span>* text, <span class="keywordtype">int</span> token);</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">@interface </span><a class="code" href="NICSSParser.html">NICSSParser</a>()</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> - (void)consumeToken:(<span class="keywordtype">int</span>)token text:(<span class="keywordtype">char</span>*)text;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">@end</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> <span class="comment">// The entry point of the flex css parser.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// Flex is inherently designed to operate as a singleton.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keywordtype">int</span> cssConsume(<span class="keywordtype">char</span>* text, <span class="keywordtype">int</span> token) {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  [gActiveParser consumeToken:token text:text];</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> 0;</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> </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">@implementation </span><a class="code" href="NICSSParser.html">NICSSParser</a></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </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"> 51</span> - (void)shutdown {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  _rulesets = nil;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  _scopesForActiveRuleset = nil;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  _mutatingScope = nil;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  _mutatingRuleset = nil;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  _currentPropertyName = nil;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  _importedFilenames = nil;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  _lastTokenText = nil;</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> - (void)setFailFlag {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (!<span class="keyword">self</span>.<a class="code" href="NICSSParser.html#didFailToParse">didFailToParse</a>) {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  _didFailToParse = YES;</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>  [<span class="keyword">self</span> shutdown];</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> - (void)commitCurrentSelector {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  [_scopesForActiveRuleset addObject:[_mutatingScope componentsJoinedByString:@" "]];</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  [_mutatingScope removeAllObjects];</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"> 74</span> - (void)consumeToken:(<span class="keywordtype">int</span>)token text:(<span class="keywordtype">char</span>*)text {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (_didFailToParse) {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span>;</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"> 79</span>  NSString* textAsString = [[NSString alloc] initWithCString:text encoding:NSUTF8StringEncoding];</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  NSString* lowercaseTextAsString = [textAsString lowercaseString];</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>  <span class="keywordflow">switch</span> (token) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">case</span> CSSMEDIA: <span class="comment">// @media { }</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (_state.Flags.InsideMedia || _state.Flags.ReadingMedia) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  [<span class="keyword">self</span> setFailFlag];</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>  _state.Flags.ReadingMedia = YES;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  droppingCurrentRules = YES; <span class="comment">// at least one must match to undo this</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">case</span> CSSHASH: <span class="comment">// #{name}</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">case</span> CSSIDENT: { <span class="comment">// {ident}(:{ident})?</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"> 93</span>  <span class="keywordflow">if</span> (_state.Flags.ReadingMedia) {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (!droppingCurrentRules) {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// No point in running these checks if we've already decided</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([textAsString caseInsensitiveCompare:<span class="stringliteral">@"ipad"</span>] == NSOrderedSame) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) { droppingCurrentRules = NO; }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([textAsString caseInsensitiveCompare:<span class="stringliteral">@"iphone"</span>] == NSOrderedSame) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone) { droppingCurrentRules = NO; }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([textAsString caseInsensitiveCompare:<span class="stringliteral">@"retina"</span>] == NSOrderedSame) {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> ([UIScreen mainScreen].scale != 1.0) { droppingCurrentRules = NO; }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([textAsString caseInsensitiveCompare:<span class="stringliteral">@"nonretina"</span>] == NSOrderedSame) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span> ([UIScreen mainScreen].scale == 1.0) { droppingCurrentRules = NO; }</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([textAsString caseInsensitiveCompare:<span class="stringliteral">@"ipad-retina"</span>] == NSOrderedSame) {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> ([UIScreen mainScreen].scale != 1.0 && [UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) { droppingCurrentRules = NO; }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([textAsString caseInsensitiveCompare:<span class="stringliteral">@"ipad-nonretina"</span>] == NSOrderedSame) {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> ([UIScreen mainScreen].scale == 1.0 && [UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) { droppingCurrentRules = NO; }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([textAsString caseInsensitiveCompare:<span class="stringliteral">@"iphone-retina"</span>] == NSOrderedSame) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> ([UIScreen mainScreen].scale != 1.0 && [UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone) { droppingCurrentRules = NO; }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([textAsString caseInsensitiveCompare:<span class="stringliteral">@"iphone-nonretina"</span>] == NSOrderedSame) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> ([UIScreen mainScreen].scale == 1.0 && [UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone) { droppingCurrentRules = NO; }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">break</span>;</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="keywordflow">else</span> <span class="keywordflow">if</span> (_state.Flags.InsideRuleset) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  NIDASSERT(nil != _mutatingRuleset);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (nil == _mutatingRuleset) {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  [<span class="keyword">self</span> setFailFlag];</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> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// Treat CSSIDENT as a new property if we're not already defining one.</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (CSSIDENT == token && !_state.Flags.InsideProperty) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// Properties are case insensitive.</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  _currentPropertyName = lowercaseTextAsString;</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>  NSMutableArray* ruleSetOrder = [_mutatingRuleset objectForKey:kPropertyOrderKey];</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  [ruleSetOrder addObject:_currentPropertyName];</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>  <span class="comment">// Clear any existing values for the given property.</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  NSMutableArray* values = [[NSMutableArray alloc] init];</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  [_mutatingRuleset setObject:values forKey:_currentPropertyName];</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>  <span class="comment">// This is a value for the active property; add it.</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  NIDASSERT(nil != _currentPropertyName);</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="keywordflow">if</span> (nil != _currentPropertyName) {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  NSMutableArray* values = [_mutatingRuleset objectForKey:_currentPropertyName];</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  [values addObject:lowercaseTextAsString];</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="keywordflow">else</span> {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  [<span class="keyword">self</span> setFailFlag];</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>  }</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>  } <span class="keywordflow">else</span> { <span class="comment">// if not inside a rule set...</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  [_mutatingScope addObject:textAsString];</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>  <span class="comment">// Ensure that we're not modifying a property.</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  _currentPropertyName = nil;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">break</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> </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">case</span> CSSFUNCTION: {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// Functions can only exist within properties.</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (_state.Flags.InsideProperty) {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  _state.Flags.InsideFunction = YES;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  NIDASSERT(nil != _currentPropertyName);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (nil != _currentPropertyName) {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  NSMutableArray* values = [_mutatingRuleset objectForKey:_currentPropertyName];</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  [values addObject:lowercaseTextAsString];</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="keywordflow">else</span> {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  [<span class="keyword">self</span> setFailFlag];</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">break</span>;</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="keywordflow">case</span> CSSSTRING:</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">case</span> CSSEMS:</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">case</span> CSSEXS:</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">case</span> CSSLENGTH:</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">case</span> CSSANGLE:</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">case</span> CSSTIME:</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">case</span> CSSFREQ:</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">case</span> CSSDIMEN:</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">case</span> CSSPERCENTAGE:</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">case</span> CSSNUMBER:</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">case</span> CSSURI: {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (_lastToken == CSSIMPORT && token == CSSURI) {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  NSInteger prefixLength = <span class="stringliteral">@"url(\"".length;</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="stringliteral"> NSString* filename = [textAsString substringWithRange:NSMakeRange(prefixLength,</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="stringliteral"> textAsString.length</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="stringliteral"> - prefixLength - 2)];</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="stringliteral"> [_importedFilenames addObject:filename];</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="stringliteral"> NIDASSERT(nil != _currentPropertyName);</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="stringliteral"> if (nil != _currentPropertyName) {</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="stringliteral"> NSMutableArray* values = [_mutatingRuleset objectForKey:_currentPropertyName];</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="stringliteral"> [values addObject:textAsString];</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="stringliteral"> [self setFailFlag];</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="stringliteral"> // Parse individual characters.</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="stringliteral"> case CSSUNKNOWN: {</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="stringliteral"> switch (text[0]) {</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="stringliteral"> // Commit the current selector and start a new one.</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="stringliteral"> case ',': {</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="stringliteral"> if (_state.Flags.ReadingMedia) {</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="stringliteral"> // Ignore, more media coming</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="stringliteral"> } else if (!_state.Flags.InsideRuleset) {</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="stringliteral"> [self commitCurrentSelector];</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="stringliteral"> break;</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"> // Start a new rule set.</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="stringliteral"> case '{': {</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="stringliteral"> if (_state.Flags.ReadingMedia) {</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="stringliteral"> _state.Flags.InsideMedia = YES;</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="stringliteral"> _state.Flags.ReadingMedia = NO;</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="stringliteral"> NIDASSERT(nil != _mutatingScope);</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="stringliteral"> if ([_mutatingScope count] > 0</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="stringliteral"> && !_state.Flags.InsideRuleset && !_state.Flags.InsideFunction) {</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="stringliteral"> [self commitCurrentSelector];</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="stringliteral"> _state.Flags.InsideRuleset = YES;</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="stringliteral"> _state.Flags.InsideFunction = NO;</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="stringliteral"> _mutatingRuleset = [[NSMutableDictionary alloc] init];</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="stringliteral"> [_mutatingRuleset setObject:[NSMutableArray array] forKey:kPropertyOrderKey];</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="stringliteral"> [self setFailFlag];</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="stringliteral"> // Commit an existing rule set.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="stringliteral"> case '}': {</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"> if (_state.Flags.InsideMedia && !_mutatingRuleset) {</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="stringliteral"> // End of a media tag</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="stringliteral"> _state.Flags.InsideMedia = NO;</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="stringliteral"> droppingCurrentRules = NO;</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="stringliteral"> if (!droppingCurrentRules) {</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="stringliteral"> for (NSString* name in _scopesForActiveRuleset) {</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="stringliteral"> NSMutableDictionary* existingProperties = [_rulesets objectForKey:name];</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="stringliteral"> </span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="stringliteral"> if (nil == existingProperties) {</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="stringliteral"> NSMutableDictionary* ruleSet = [_mutatingRuleset mutableCopy];</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="stringliteral"> [_rulesets setObject:ruleSet forKey:name];</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="stringliteral"> </span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="stringliteral"> // Properties already exist, so overwrite them.</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="stringliteral"> // Merge the orders.</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="stringliteral"> {</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="stringliteral"> NSMutableArray* order = [existingProperties objectForKey:kPropertyOrderKey];</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="stringliteral"> [order addObjectsFromArray:[_mutatingRuleset objectForKey:kPropertyOrderKey]];</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="stringliteral"> [_mutatingRuleset setObject:order forKey:kPropertyOrderKey];</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="stringliteral"> }</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"> for (NSString* key in _mutatingRuleset) {</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="stringliteral"> [existingProperties setObject:[_mutatingRuleset objectForKey:key] forKey:key];</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"> // Add the order of the new properties.</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="stringliteral"> NSMutableArray* order = [existingProperties objectForKey:kPropertyOrderKey];</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="stringliteral"> [order addObjectsFromArray:[_mutatingRuleset objectForKey:kPropertyOrderKey]];</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="stringliteral"> </span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="stringliteral"> _mutatingRuleset = nil;</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="stringliteral"> [_scopesForActiveRuleset removeAllObjects];</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="stringliteral"> _state.Flags.InsideRuleset = NO;</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="stringliteral"> _state.Flags.InsideProperty = NO;</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="stringliteral"> _state.Flags.InsideFunction = NO;</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="stringliteral"> case ':': {</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="stringliteral"> // Defining a property value.</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="stringliteral"> if (_state.Flags.InsideRuleset) {</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="stringliteral"> _state.Flags.InsideProperty = YES;</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="stringliteral"> case ')': {</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="stringliteral"> if (_state.Flags.InsideFunction && nil != _currentPropertyName) {</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="stringliteral"> NSMutableArray* values = [_mutatingRuleset objectForKey:_currentPropertyName];</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="stringliteral"> [values addObject:lowercaseTextAsString];</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="stringliteral"> _state.Flags.InsideFunction = NO;</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="stringliteral"> case ';': {</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="stringliteral"> // Committing a property value.</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="stringliteral"> if (_state.Flags.InsideRuleset) {</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="stringliteral"> _state.Flags.InsideProperty = NO;</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="stringliteral"> _lastTokenText = textAsString;</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="stringliteral"> _lastToken = token;</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="stringliteral">}</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="stringliteral">- (void)setup {</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="stringliteral"> [self shutdown];</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="stringliteral"> _rulesets = [[NSMutableDictionary alloc] init];</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="stringliteral"> _scopesForActiveRuleset = [[NSMutableArray alloc] init];</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="stringliteral"> _mutatingScope = [[NSMutableArray alloc] init];</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="stringliteral"> _importedFilenames = [[NSMutableArray alloc] init];</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="stringliteral">}</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="stringliteral">- (void)parseFileAtPath:(NSString *)path {</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="stringliteral"> // flex is not thread-safe so we force it to be by creating a single-access lock here.</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="stringliteral"> pthread_mutex_lock(&gMutex); {</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="stringliteral"> cssin = fopen([path UTF8String], "</span>r<span class="stringliteral">");</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="stringliteral"> gActiveParser = self;</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="stringliteral"> csslex();</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="stringliteral"> fclose(cssin);</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="stringliteral"> pthread_mutex_unlock(&gMutex);</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="stringliteral">}</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="stringliteral">- (NSDictionary *)mergeCompositeRulesets:(NSMutableArray *)compositeRulesets dependencyFilenames:(NSSet *)dependencyFilenames {</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="stringliteral"> NIDASSERT([compositeRulesets count] > 0);</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="stringliteral"> if ([compositeRulesets count] == 0) {</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="stringliteral"> return nil;</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="stringliteral"> NSDictionary* result = nil;</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="stringliteral"> if ([compositeRulesets count] == 1) {</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="stringliteral"> if ([dependencyFilenames count] > 0) {</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="stringliteral"> [[compositeRulesets objectAtIndex:0] setObject:dependencyFilenames</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="stringliteral"> forKey:kDependenciesSelectorKey];</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="stringliteral"> result = [[compositeRulesets objectAtIndex:0] copy];</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="stringliteral"> NSMutableDictionary* mergedResult = [compositeRulesets lastObject];</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="stringliteral"> [compositeRulesets removeLastObject];</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="stringliteral"> // Merge all of the rulesets into one.</span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="stringliteral"> for (NSDictionary* ruleSet in [compositeRulesets reverseObjectEnumerator]) {</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="stringliteral"> for (NSString* scope in ruleSet) {</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="stringliteral"> if (![mergedResult objectForKey:scope]) {</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="stringliteral"> // New scope means we can just add it.</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="stringliteral"> [mergedResult setObject:[ruleSet objectForKey:scope] forKey:scope];</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="stringliteral"> // Existing scope means we need to overwrite existing properties.</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="stringliteral"> NSMutableDictionary* mergedScopeProperties = [mergedResult objectForKey:scope];</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="stringliteral"> NSMutableDictionary* properties = [ruleSet objectForKey:scope];</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="stringliteral"> for (NSString* propertyName in properties) {</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="stringliteral"> if (!(nil != [mergedScopeProperties objectForKey:propertyName]</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="stringliteral"> && [propertyName isEqualToString:kPropertyOrderKey])) {</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="stringliteral"> // Overwrite the existing property's value.</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="stringliteral"> [mergedScopeProperties setObject:[properties objectForKey:propertyName]</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="stringliteral"> forKey:propertyName];</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="stringliteral"> } else {</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="stringliteral"> // Append the property order.</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="stringliteral"> NSMutableArray *order = [mergedScopeProperties objectForKey:kPropertyOrderKey];</span></div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="stringliteral"> [order addObjectsFromArray:[properties objectForKey:kPropertyOrderKey]];</span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="stringliteral"> </span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="stringliteral"> if ([dependencyFilenames count] > 0) {</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="stringliteral"> [mergedResult setObject:dependencyFilenames forKey:kDependenciesSelectorKey];</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="stringliteral"> result = [mergedResult copy];</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="stringliteral"> return result;</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="stringliteral">}</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="stringliteral">#pragma mark - Public</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="stringliteral">- (NSDictionary *)dictionaryForPath:(NSString *)path {</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="stringliteral"> return [self dictionaryForPath:path pathPrefix:nil delegate:nil];</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="stringliteral">}</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="stringliteral">- (NSDictionary *)dictionaryForPath:(NSString *)path pathPrefix:(NSString *)pathPrefix {</span></div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="stringliteral"> return [self dictionaryForPath:path pathPrefix:pathPrefix delegate:nil];</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="stringliteral">}</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="stringliteral">- (NSDictionary *)dictionaryForPath:(NSString *)aPath</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="stringliteral"> pathPrefix:(NSString *)pathPrefix</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="stringliteral"> delegate:(id<NICSSParserDelegate>)delegate {</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="stringliteral"> // Bail out early if there was no path given.</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="stringliteral"> if ([aPath length] == 0) {</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="stringliteral"> _didFailToParse = YES;</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="stringliteral"> return nil;</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="stringliteral"> _didFailToParse = NO;</span></div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="stringliteral"> NSMutableArray* compositeRulesets = [[NSMutableArray alloc] init];</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="stringliteral"> // Maintain a set of filenames that we've looked at for two reasons:</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="stringliteral"> // 1) To avoid visiting the same CSS file twice.</span></div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="stringliteral"> // 2) To collect a list of dependencies for this stylesheet.</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="stringliteral"> NSMutableSet* processedFilenames = [[NSMutableSet alloc] init];</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="stringliteral"> // Imported CSS files will be added to the queue.</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="stringliteral"> NSMutableOrderedSet* filenameQueue = [NSMutableOrderedSet orderedSet];</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="stringliteral"> [filenameQueue addObject:aPath];</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="stringliteral"> while ([filenameQueue count] > 0) {</span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="stringliteral"> // Om nom nom</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="stringliteral"> NSString* path = [filenameQueue firstObject];</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="stringliteral"> [filenameQueue removeObjectAtIndex:0];</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="stringliteral"> // Skip files that we've already processed in order to avoid infinite loops.</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="stringliteral"> if ([processedFilenames containsObject:path]) {</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="stringliteral"> continue;</span></div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="stringliteral"> [processedFilenames addObject:path];</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="stringliteral"> // Allow the delegate to rename the file.</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="stringliteral"> if ([delegate respondsToSelector:@selector(cssParser:pathFromPath:)]) {</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="stringliteral"> NSString* reprocessedFilename = [delegate cssParser:self pathFromPath:path];</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="stringliteral"> if (nil != reprocessedFilename) {</span></div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="stringliteral"> path = reprocessedFilename;</span></div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="stringliteral"> // Add the prefix, if it exists.</span></div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="stringliteral"> if (pathPrefix.length > 0) {</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="stringliteral"> path = [pathPrefix stringByAppendingPathComponent:path];</span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="stringliteral"> // Verify that the file exists.</span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="stringliteral"> if (![[NSFileManager defaultManager] fileExistsAtPath:path]) {</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="stringliteral"> [self shutdown];</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="stringliteral"> return nil;</span></div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="stringliteral"> [self setup];</span></div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="stringliteral"> [self parseFileAtPath:path];</span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="stringliteral"> if (self.didFailToParse) {</span></div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="stringliteral"> break;</span></div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="stringliteral"> [filenameQueue addObjectsFromArray:_importedFilenames];</span></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="stringliteral"> [_importedFilenames removeAllObjects];</span></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="stringliteral"> [compositeRulesets addObject:_rulesets];</span></div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="stringliteral"> [self shutdown];</span></div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="stringliteral"> NSDictionary* result = nil;</span></div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="stringliteral"> if (!self.didFailToParse) {</span></div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="stringliteral"> // processedFilenames will be the set of dependencies, so remove the initial path.</span></div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="stringliteral"> [processedFilenames removeObject:aPath];</span></div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="stringliteral"> result = [self mergeCompositeRulesets:compositeRulesets</span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="stringliteral"> dependencyFilenames:processedFilenames];</span></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="stringliteral"> }</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="stringliteral"> [self shutdown];</span></div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="stringliteral"> return result;</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="stringliteral">}</span></div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="stringliteral"></span></div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="stringliteral">@end</span></div>
<div class="ttc" id="NICSSParser_html"><div class="ttname"><a href="NICSSParser.html">NICSSParser</a></div><div class="ttdoc">An Objective-C wrapper for the flex CSS parser. </div><div class="ttdef"><b>Definition:</b> <a href="NICSSParser_8h_source.html#l00038">NICSSParser.h:38</a></div></div>
<div class="ttc" id="NICSSParser_html_didFailToParse"><div class="ttname"><a href="NICSSParser.html#didFailToParse">NICSSParser::didFailToParse</a></div><div class="ttdeci">BOOL didFailToParse</div><div class="ttdoc">Will be YES after retrieving a dictionary if the parser failed to parse the file in any way...</div><div class="ttdef"><b>Definition:</b> <a href="NICSSParser_8h_source.html#l00075">NICSSParser.h:75</a></div></div>
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