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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2015 Google Inc. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160; </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/file/memory_file.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span> <span class="comment">// for memcpy</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &lt;set&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/base/logging.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;packager/base/synchronization/lock.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment">// A helper filesystem object. This holds the data for the memory files.</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">class </span>FileSystem {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; ~FileSystem() {}</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keyword">static</span> FileSystem* Instance() {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keyword">static</span> FileSystem instance;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keywordflow">return</span> &amp;instance;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; }</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordtype">void</span> Delete(<span class="keyword">const</span> std::string&amp; file_name) {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; base::AutoLock auto_lock(lock_);</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordflow">if</span> (open_files_.find(file_name) != open_files_.end()) {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;File &#39;&quot;</span> &lt;&lt; file_name</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39; is still open. Deleting an open MemoryFile is not &quot;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="stringliteral">&quot;allowed. Exit without deleting the file.&quot;</span>;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; }</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; files_.erase(file_name);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; }</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordtype">void</span> DeleteAll() {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; base::AutoLock auto_lock(lock_);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordflow">if</span> (!open_files_.empty()) {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;There are still files open. Deleting an open MemoryFile &quot;</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="stringliteral">&quot;is not allowed. Exit without deleting the file.&quot;</span>;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; files_.clear();</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; std::vector&lt;uint8_t&gt;* Open(<span class="keyword">const</span> std::string&amp; file_name,</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keyword">const</span> std::string&amp; mode) {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; base::AutoLock auto_lock(lock_);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">if</span> (open_files_.find(file_name) != open_files_.end()) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; NOTIMPLEMENTED() &lt;&lt; <span class="stringliteral">&quot;File &#39;&quot;</span> &lt;&lt; file_name</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39; is already open. MemoryFile does not support &quot;</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="stringliteral">&quot;open the same file before it is closed.&quot;</span>;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; }</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">auto</span> iter = files_.find(file_name);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordflow">if</span> (mode == <span class="stringliteral">&quot;r&quot;</span>) {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">if</span> (iter == files_.end())</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == <span class="stringliteral">&quot;w&quot;</span>) {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">if</span> (iter != files_.end())</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; iter-&gt;second.clear();</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; NOTIMPLEMENTED() &lt;&lt; <span class="stringliteral">&quot;File mode &#39;&quot;</span> &lt;&lt; mode</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39; not supported by MemoryFile&quot;</span>;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; open_files_[file_name] = mode;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">return</span> &amp;files_[file_name];</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordtype">bool</span> Close(<span class="keyword">const</span> std::string&amp; file_name) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; base::AutoLock auto_lock(lock_);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">auto</span> iter = open_files_.find(file_name);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">if</span> (iter == open_files_.end()) {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Cannot close file &#39;&quot;</span> &lt;&lt; file_name</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39; which is not open.&quot;</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; open_files_.erase(iter);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; }</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; FileSystem(<span class="keyword">const</span> FileSystem&amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; FileSystem&amp; operator=(<span class="keyword">const</span> FileSystem&amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; FileSystem() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="comment">// Filename to file data map.</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; std::map&lt;std::string, std::vector&lt;uint8_t&gt;&gt; files_;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="comment">// Filename to file open modes map.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; std::map&lt;std::string, std::string&gt; open_files_;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; base::Lock lock_;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;};</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;} <span class="comment">// namespace</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;MemoryFile::MemoryFile(<span class="keyword">const</span> std::string&amp; file_name, <span class="keyword">const</span> std::string&amp; mode)</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; : File(file_name), mode_(mode), file_(NULL), position_(0) {}</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;MemoryFile::~MemoryFile() {}</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; </div>
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<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#a4cfe38684f4fdde650a2ed7fdc780f05"> 118</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a4cfe38684f4fdde650a2ed7fdc780f05">MemoryFile::Close</a>() {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">if</span> (!FileSystem::Instance()-&gt;<a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a4cfe38684f4fdde650a2ed7fdc780f05">Close</a>(<a class="code" href="../../d3/d73/classshaka_1_1File.html#a4b06e08bb0295cb89fca45f9356ecbae">file_name</a>()))</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keyword">delete</span> <span class="keyword">this</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;}</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; </div>
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<div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#aeacb3b7f72e0c412bd0cba8a6f1ed62f"> 125</a></span>&#160;int64_t <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#aeacb3b7f72e0c412bd0cba8a6f1ed62f">MemoryFile::Read</a>(<span class="keywordtype">void</span>* buffer, uint64_t length) {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keyword">const</span> uint64_t size = <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a151634866be009cf0eb10e783432d5cb">Size</a>();</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; DCHECK_LE(position_, size);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">if</span> (position_ &gt;= size)</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">const</span> uint64_t bytes_to_read = std::min(length, size - position_);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; memcpy(buffer, &amp;(*file_)[position_], bytes_to_read);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; position_ += bytes_to_read;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">return</span> bytes_to_read;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;}</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; </div>
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<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#aa3d9455b7bc9d1c44d58ab39bd8bd27c"> 137</a></span>&#160;int64_t <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#aa3d9455b7bc9d1c44d58ab39bd8bd27c">MemoryFile::Write</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* buffer, uint64_t length) {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="comment">// If length is zero, we won&#39;t resize the buffer and it is possible for</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="comment">// |position| to equal the length of the buffer. This will cause a segfault</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="comment">// when indexing into the buffer for the memcpy.</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">if</span> (length == 0) {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; </div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keyword">const</span> uint64_t size = <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a151634866be009cf0eb10e783432d5cb">Size</a>();</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">if</span> (size &lt; position_ + length) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; file_-&gt;resize(position_ + length);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; memcpy(&amp;(*file_)[position_], buffer, length);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; position_ += length;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordflow">return</span> length;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;}</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; </div>
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<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#a151634866be009cf0eb10e783432d5cb"> 155</a></span>&#160;int64_t <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a151634866be009cf0eb10e783432d5cb">MemoryFile::Size</a>() {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; DCHECK(file_);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordflow">return</span> file_-&gt;size();</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;}</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; </div>
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<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#aecf76d1658ea5f088ef1e42f04b9b64d"> 160</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#aecf76d1658ea5f088ef1e42f04b9b64d">MemoryFile::Flush</a>() {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;}</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; </div>
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<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#a0e3bffa9859fdcb7c28c20a15e2d3e98"> 164</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a0e3bffa9859fdcb7c28c20a15e2d3e98">MemoryFile::Seek</a>(uint64_t position) {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a151634866be009cf0eb10e783432d5cb">Size</a>() &lt; <span class="keyword">static_cast&lt;</span>int64_t<span class="keyword">&gt;</span>(position))</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; position_ = position;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;}</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; </div>
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<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#a4dfdba703861d211e7111612f5ac029c"> 172</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a4dfdba703861d211e7111612f5ac029c">MemoryFile::Tell</a>(uint64_t* position) {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; *position = position_;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;}</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; </div>
2021-06-22 00:16:40 +00:00
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#adcfb56e702dcee156b4b103180134241"> 177</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#adcfb56e702dcee156b4b103180134241">MemoryFile::Open</a>() {</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; file_ = FileSystem::Instance()-&gt;Open(<a class="code" href="../../d3/d73/classshaka_1_1File.html#a4b06e08bb0295cb89fca45f9356ecbae">file_name</a>(), mode_);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">if</span> (!file_)</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; position_ = 0;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;}</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; </div>
2021-06-22 00:16:40 +00:00
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#acd947572c2bbe3595b403a483c82e899"> 186</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#acd947572c2bbe3595b403a483c82e899">MemoryFile::DeleteAll</a>() {</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; FileSystem::Instance()-&gt;DeleteAll();</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;}</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; </div>
2021-06-22 00:16:40 +00:00
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="../../de/dad/classshaka_1_1MemoryFile.html#a3ac9c9e8e3a31ef8f70a904384f89bed"> 190</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../de/dad/classshaka_1_1MemoryFile.html#a3ac9c9e8e3a31ef8f70a904384f89bed">MemoryFile::Delete</a>(<span class="keyword">const</span> std::string&amp; file_name) {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; FileSystem::Instance()-&gt;Delete(<a class="code" href="../../d3/d73/classshaka_1_1File.html#a4b06e08bb0295cb89fca45f9356ecbae">file_name</a>);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;}</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;} <span class="comment">// namespace shaka</span></div>
</div><!-- fragment --></div><!-- contents -->
2021-06-22 00:16:40 +00:00
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_aecf76d1658ea5f088ef1e42f04b9b64d"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#aecf76d1658ea5f088ef1e42f04b9b64d">shaka::MemoryFile::Flush</a></div><div class="ttdeci">bool Flush() override</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00160">memory_file.cc:160</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_aa3d9455b7bc9d1c44d58ab39bd8bd27c"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#aa3d9455b7bc9d1c44d58ab39bd8bd27c">shaka::MemoryFile::Write</a></div><div class="ttdeci">int64_t Write(const void *buffer, uint64_t length) override</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00137">memory_file.cc:137</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_aeacb3b7f72e0c412bd0cba8a6f1ed62f"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#aeacb3b7f72e0c412bd0cba8a6f1ed62f">shaka::MemoryFile::Read</a></div><div class="ttdeci">int64_t Read(void *buffer, uint64_t length) override</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00125">memory_file.cc:125</a></div></div>
<div class="ttc" id="aclassshaka_1_1File_html_a4b06e08bb0295cb89fca45f9356ecbae"><div class="ttname"><a href="../../d3/d73/classshaka_1_1File.html#a4b06e08bb0295cb89fca45f9356ecbae">shaka::File::file_name</a></div><div class="ttdeci">const std::string &amp; file_name() const</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d4d/file_8h_source.html#l00096">file.h:96</a></div></div>
<div class="ttc" id="anamespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_a0e3bffa9859fdcb7c28c20a15e2d3e98"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#a0e3bffa9859fdcb7c28c20a15e2d3e98">shaka::MemoryFile::Seek</a></div><div class="ttdeci">bool Seek(uint64_t position) override</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00164">memory_file.cc:164</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_a3ac9c9e8e3a31ef8f70a904384f89bed"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#a3ac9c9e8e3a31ef8f70a904384f89bed">shaka::MemoryFile::Delete</a></div><div class="ttdeci">static void Delete(const std::string &amp;file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00190">memory_file.cc:190</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_a151634866be009cf0eb10e783432d5cb"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#a151634866be009cf0eb10e783432d5cb">shaka::MemoryFile::Size</a></div><div class="ttdeci">int64_t Size() override</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00155">memory_file.cc:155</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_a4dfdba703861d211e7111612f5ac029c"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#a4dfdba703861d211e7111612f5ac029c">shaka::MemoryFile::Tell</a></div><div class="ttdeci">bool Tell(uint64_t *position) override</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00172">memory_file.cc:172</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_a4cfe38684f4fdde650a2ed7fdc780f05"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#a4cfe38684f4fdde650a2ed7fdc780f05">shaka::MemoryFile::Close</a></div><div class="ttdeci">bool Close() override</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00118">memory_file.cc:118</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_adcfb56e702dcee156b4b103180134241"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#adcfb56e702dcee156b4b103180134241">shaka::MemoryFile::Open</a></div><div class="ttdeci">bool Open() override</div><div class="ttdoc">Internal open. Should not be used directly.</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00177">memory_file.cc:177</a></div></div>
<div class="ttc" id="aclassshaka_1_1MemoryFile_html_acd947572c2bbe3595b403a483c82e899"><div class="ttname"><a href="../../de/dad/classshaka_1_1MemoryFile.html#acd947572c2bbe3595b403a483c82e899">shaka::MemoryFile::DeleteAll</a></div><div class="ttdeci">static void DeleteAll()</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d87/memory__file_8cc_source.html#l00186">memory_file.cc:186</a></div></div>
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