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93
94<div class="header">
95 <div class="summary">
96<a href="#typedef-members">Typedefs</a> &#124;
97<a href="#func-members">Functions</a> </div>
98 <div class="headertitle">
99<div class="title">armnnUtils::Filesystem Namespace Reference</div> </div>
100</div><!--header-->
101<div class="contents">
102<table class="memberdecls">
103<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
104Typedefs</h2></td></tr>
105<tr class="memitem:ac43ab637ed192811c3b20c71990fd871"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearmnn_utils_1_1_filesystem.html#ac43ab637ed192811c3b20c71990fd871">FileContents</a> = std::string</td></tr>
106<tr class="separator:ac43ab637ed192811c3b20c71990fd871"><td class="memSeparator" colspan="2">&#160;</td></tr>
107</table><table class="memberdecls">
108<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
109Functions</h2></td></tr>
110<tr class="memitem:a606d65835d72a332109c3c9f96a01b8a"><td class="memItemLeft" align="right" valign="top">fs::path&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearmnn_utils_1_1_filesystem.html#a606d65835d72a332109c3c9f96a01b8a">NamedTempFile</a> (const char *fileName)</td></tr>
111<tr class="memdesc:a606d65835d72a332109c3c9f96a01b8a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a path to a file in the system temporary folder. If the file existed it will be deleted. <a href="namespacearmnn_utils_1_1_filesystem.html#a606d65835d72a332109c3c9f96a01b8a">More...</a><br /></td></tr>
112<tr class="separator:a606d65835d72a332109c3c9f96a01b8a"><td class="memSeparator" colspan="2">&#160;</td></tr>
113<tr class="memitem:a0477efb2c6f5b41fbfe937fef6db312d"><td class="memItemLeft" align="right" valign="top">std::string&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearmnn_utils_1_1_filesystem.html#a0477efb2c6f5b41fbfe937fef6db312d">CreateDirectory</a> (std::string sPath)</td></tr>
114<tr class="memdesc:a0477efb2c6f5b41fbfe937fef6db312d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns full path to temporary folder. <a href="namespacearmnn_utils_1_1_filesystem.html#a0477efb2c6f5b41fbfe937fef6db312d">More...</a><br /></td></tr>
115<tr class="separator:a0477efb2c6f5b41fbfe937fef6db312d"><td class="memSeparator" colspan="2">&#160;</td></tr>
116<tr class="memitem:a32ff1b057109ad1128fd1ac82ed7e9a7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacearmnn_utils_1_1_filesystem.html#ac43ab637ed192811c3b20c71990fd871">FileContents</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearmnn_utils_1_1_filesystem.html#a32ff1b057109ad1128fd1ac82ed7e9a7">ReadFileContentsIntoString</a> (const std::string &amp;path)</td></tr>
117<tr class="separator:a32ff1b057109ad1128fd1ac82ed7e9a7"><td class="memSeparator" colspan="2">&#160;</td></tr>
118<tr class="memitem:aa994467360962e6efc1c4e0d8f293e8c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearmnn_utils_1_1_filesystem.html#aa994467360962e6efc1c4e0d8f293e8c">RemoveDirectoryAndContents</a> (const std::string &amp;path)</td></tr>
119<tr class="memdesc:aa994467360962e6efc1c4e0d8f293e8c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Remove a directory and its contents. <a href="namespacearmnn_utils_1_1_filesystem.html#aa994467360962e6efc1c4e0d8f293e8c">More...</a><br /></td></tr>
120<tr class="separator:aa994467360962e6efc1c4e0d8f293e8c"><td class="memSeparator" colspan="2">&#160;</td></tr>
121</table>
122<h2 class="groupheader">Typedef Documentation</h2>
123<a id="ac43ab637ed192811c3b20c71990fd871"></a>
124<h2 class="memtitle"><span class="permalink"><a href="#ac43ab637ed192811c3b20c71990fd871">&#9670;&nbsp;</a></span>FileContents</h2>
125
126<div class="memitem">
127<div class="memproto">
128 <table class="memname">
129 <tr>
130 <td class="memname">using <a class="el" href="namespacearmnn_utils_1_1_filesystem.html#ac43ab637ed192811c3b20c71990fd871">FileContents</a> = std::string</td>
131 </tr>
132 </table>
133</div><div class="memdoc">
134
135<p class="definition">Definition at line <a class="el" href="_filesystem_8hpp_source.html#l00024">24</a> of file <a class="el" href="_filesystem_8hpp_source.html">Filesystem.hpp</a>.</p>
136
137</div>
138</div>
139<h2 class="groupheader">Function Documentation</h2>
140<a id="a0477efb2c6f5b41fbfe937fef6db312d"></a>
141<h2 class="memtitle"><span class="permalink"><a href="#a0477efb2c6f5b41fbfe937fef6db312d">&#9670;&nbsp;</a></span>CreateDirectory()</h2>
142
143<div class="memitem">
144<div class="memproto">
145 <table class="memname">
146 <tr>
147 <td class="memname">std::string CreateDirectory </td>
148 <td>(</td>
149 <td class="paramtype">std::string&#160;</td>
150 <td class="paramname"><em>path</em></td><td>)</td>
151 <td></td>
152 </tr>
153 </table>
154</div><div class="memdoc">
155
156<p>Returns full path to temporary folder. </p>
157<p>Construct a temporary directory.</p>
158<p>Given a specified directory name construct a path in the system temporary directory. If the directory already exists, it is deleted, otherwise create it. This could throw filesystem_error exceptions.</p>
159<dl class="params"><dt>Parameters</dt><dd>
160 <table class="params">
161 <tr><td class="paramname">path</td><td>is the path required in the temporary directory. </td></tr>
162 </table>
163 </dd>
164</dl>
165<dl class="section return"><dt>Returns</dt><dd>path consisting of system temporary directory. </dd></dl>
166<dl class="exception"><dt>Exceptions</dt><dd>
167 <table class="exception">
168 <tr><td class="paramname">RuntimeException</td><td>if the directory cannot be created or exists but cannot be removed. </td></tr>
169 </table>
170 </dd>
171</dl>
172
173<p class="definition">Definition at line <a class="el" href="_filesystem_8cpp_source.html#l00047">47</a> of file <a class="el" href="_filesystem_8cpp_source.html">Filesystem.cpp</a>.</p>
174<div class="fragment"><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;{</div>
175<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="comment">// This line is very unlikely to throw an exception.</span></div>
176<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; fs::path tmpDir = fs::temp_directory_path();</div>
177<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; std::string full_path = tmpDir.generic_string() + path;</div>
178<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="comment">// This could throw a file permission exception.</span></div>
179<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <a class="code" href="namespacearmnn_utils_1_1_filesystem.html#aa994467360962e6efc1c4e0d8f293e8c">RemoveDirectoryAndContents</a>(full_path);</div>
180<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor">#if defined(_WIN32)</span></div>
181<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; result = _mkdir(full_path.c_str()); <span class="comment">// can be used on Windows</span></div>
182<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; armnn::ConditionalThrow&lt;armnn::RuntimeException&gt;((result == 0), <span class="stringliteral">&quot;Was unable to create temporary directory&quot;</span>);</div>
183<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="preprocessor">#else</span></div>
184<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keywordflow">try</span></div>
185<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; {</div>
186<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">if</span>(!fs::create_directory(full_path))</div>
187<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; {</div>
188<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_runtime_exception.html">armnn::RuntimeException</a>(<span class="stringliteral">&quot;Unable to create directory: &quot;</span> + full_path);</div>
189<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div>
190<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; }</div>
191<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::system_error&amp; e)</div>
192<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; {</div>
193<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; std::string <a class="code" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">error</a> = <span class="stringliteral">&quot;Unable to create directory. Reason: &quot;</span>;</div>
194<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <a class="code" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">error</a>.append(e.what());</div>
195<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_runtime_exception.html">armnn::RuntimeException</a>(error);</div>
196<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; }</div>
197<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="preprocessor">#endif</span></div>
198<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; </div>
199<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordflow">return</span> full_path + <span class="stringliteral">&quot;/&quot;</span>;</div>
200<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;}</div>
201</div><!-- fragment -->
202<p class="reference">References <a class="el" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">armnn::error</a>, and <a class="el" href="_filesystem_8cpp_source.html#l00084">RemoveDirectoryAndContents()</a>.</p>
203
204<p class="reference">Referenced by <a class="el" href="_network_8cpp_source.html#l01906">armnn::Optimize()</a>.</p>
205
206</div>
207</div>
208<a id="a606d65835d72a332109c3c9f96a01b8a"></a>
209<h2 class="memtitle"><span class="permalink"><a href="#a606d65835d72a332109c3c9f96a01b8a">&#9670;&nbsp;</a></span>NamedTempFile()</h2>
210
211<div class="memitem">
212<div class="memproto">
213 <table class="memname">
214 <tr>
215 <td class="memname">fs::path NamedTempFile </td>
216 <td>(</td>
217 <td class="paramtype">const char *&#160;</td>
218 <td class="paramname"><em>fileName</em></td><td>)</td>
219 <td></td>
220 </tr>
221 </table>
222</div><div class="memdoc">
223
224<p>Returns a path to a file in the system temporary folder. If the file existed it will be deleted. </p>
225<p>Construct a temporary file name.</p>
226<p>Given a specified file name construct a path to that file in the system temporary directory. If the file already exists it is deleted. This could throw filesystem_error exceptions.</p>
227<dl class="params"><dt>Parameters</dt><dd>
228 <table class="params">
229 <tr><td class="paramname">fileName</td><td>the file name required in the temporary directory. </td></tr>
230 </table>
231 </dd>
232</dl>
233<dl class="section return"><dt>Returns</dt><dd>path consisting of system temporary directory and file name. </dd></dl>
234
235<p class="definition">Definition at line <a class="el" href="_filesystem_8cpp_source.html#l00025">25</a> of file <a class="el" href="_filesystem_8cpp_source.html">Filesystem.cpp</a>.</p>
236<div class="fragment"><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;{</div>
237<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; fs::path tmpDir = fs::temp_directory_path();</div>
238<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; fs::path namedTempFile{tmpDir / fileName};</div>
239<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keywordflow">if</span> (fs::exists(namedTempFile))</div>
240<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; {</div>
241<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; fs::remove(namedTempFile);</div>
242<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; }</div>
243<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordflow">return</span> namedTempFile;</div>
244<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;}</div>
245</div><!-- fragment -->
246<p class="reference">Referenced by <a class="el" href="_j_s_o_n_timeline_decoder_tests_8cpp_source.html#l00015">TEST_SUITE()</a>.</p>
247
248</div>
249</div>
250<a id="a32ff1b057109ad1128fd1ac82ed7e9a7"></a>
251<h2 class="memtitle"><span class="permalink"><a href="#a32ff1b057109ad1128fd1ac82ed7e9a7">&#9670;&nbsp;</a></span>ReadFileContentsIntoString()</h2>
252
253<div class="memitem">
254<div class="memproto">
255 <table class="memname">
256 <tr>
257 <td class="memname"><a class="el" href="namespacearmnn_utils_1_1_filesystem.html#ac43ab637ed192811c3b20c71990fd871">FileContents</a> ReadFileContentsIntoString </td>
258 <td>(</td>
259 <td class="paramtype">const std::string &amp;&#160;</td>
260 <td class="paramname"><em>path</em></td><td>)</td>
261 <td></td>
262 </tr>
263 </table>
264</div><div class="memdoc">
265
266<p class="definition">Definition at line <a class="el" href="_filesystem_8cpp_source.html#l00102">102</a> of file <a class="el" href="_filesystem_8cpp_source.html">Filesystem.cpp</a>.</p>
267<div class="fragment"><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; {</div>
268<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordflow">if</span> (!fs::exists(path))</div>
269<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; {</div>
270<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_runtime_exception.html">armnn::RuntimeException</a>(<span class="stringliteral">&quot;Path does not exist: &quot;</span> + path);</div>
271<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div>
272<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; std::ifstream input_file(path);</div>
273<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; armnn::ConditionalThrow&lt;armnn::RuntimeException&gt;((input_file.is_open()), <span class="stringliteral">&quot;Could not read file contents&quot;</span>);</div>
274<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespacearmnn_utils_1_1_filesystem.html#ac43ab637ed192811c3b20c71990fd871">FileContents</a>((std::istreambuf_iterator&lt;char&gt;(input_file)), std::istreambuf_iterator&lt;char&gt;());</div>
275<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;}</div>
276</div><!-- fragment -->
277</div>
278</div>
279<a id="aa994467360962e6efc1c4e0d8f293e8c"></a>
280<h2 class="memtitle"><span class="permalink"><a href="#aa994467360962e6efc1c4e0d8f293e8c">&#9670;&nbsp;</a></span>RemoveDirectoryAndContents()</h2>
281
282<div class="memitem">
283<div class="memproto">
284 <table class="memname">
285 <tr>
286 <td class="memname">void RemoveDirectoryAndContents </td>
287 <td>(</td>
288 <td class="paramtype">const std::string &amp;&#160;</td>
289 <td class="paramname"><em>path</em></td><td>)</td>
290 <td></td>
291 </tr>
292 </table>
293</div><div class="memdoc">
294
295<p>Remove a directory and its contents. </p>
296<p>Given a directory path delete it's contents and the directory. If the specified directory doesn't exist this does nothing. If any item cannot be removed this will throw a RuntimeException.</p>
297<dl class="params"><dt>Parameters</dt><dd>
298 <table class="params">
299 <tr><td class="paramname">full_path</td><td></td></tr>
300 </table>
301 </dd>
302</dl>
303
304<p class="definition">Definition at line <a class="el" href="_filesystem_8cpp_source.html#l00084">84</a> of file <a class="el" href="_filesystem_8cpp_source.html">Filesystem.cpp</a>.</p>
305<div class="fragment"><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;{</div>
306<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">if</span> (fs::exists(path))</div>
307<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; {</div>
308<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">try</span></div>
309<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; {</div>
310<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="comment">// This could throw an exception on a multi-user system.</span></div>
311<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; fs::remove_all(path);</div>
312<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; }</div>
313<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::system_error&amp; e)</div>
314<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; {</div>
315<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; std::string <a class="code" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">error</a> = <span class="stringliteral">&quot;Directory exists and cannot be removed. Reason: &quot;</span>;</div>
316<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <a class="code" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">error</a>.append(e.what());</div>
317<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_runtime_exception.html">armnn::RuntimeException</a>(error);</div>
318<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; }</div>
319<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div>
320<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;}</div>
321</div><!-- fragment -->
322<p class="reference">References <a class="el" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">armnn::error</a>.</p>
323
324<p class="reference">Referenced by <a class="el" href="_filesystem_8cpp_source.html#l00047">CreateDirectory()</a>.</p>
325
326</div>
327</div>
328</div><!-- contents -->
329</div><!-- doc-content -->
330<div class="ttc" id="anamespacearmnn_html_a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282"><div class="ttname"><a href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acb5e100e5a9a3e7f6d1fd97512215282">armnn::BoostLogSeverityMapping::error</a></div><div class="ttdeci">@ error</div></div>
331<div class="ttc" id="anamespacearmnn_utils_1_1_filesystem_html_ac43ab637ed192811c3b20c71990fd871"><div class="ttname"><a href="namespacearmnn_utils_1_1_filesystem.html#ac43ab637ed192811c3b20c71990fd871">armnnUtils::Filesystem::FileContents</a></div><div class="ttdeci">std::string FileContents</div><div class="ttdef"><b>Definition:</b> <a href="_filesystem_8hpp_source.html#l00024">Filesystem.hpp:24</a></div></div>
332<div class="ttc" id="aclassarmnn_1_1_runtime_exception_html"><div class="ttname"><a href="classarmnn_1_1_runtime_exception.html">armnn::RuntimeException</a></div><div class="ttdef"><b>Definition:</b> <a href="_exceptions_8hpp_source.html#l00120">Exceptions.hpp:120</a></div></div>
333<div class="ttc" id="anamespacearmnn_utils_1_1_filesystem_html_aa994467360962e6efc1c4e0d8f293e8c"><div class="ttname"><a href="namespacearmnn_utils_1_1_filesystem.html#aa994467360962e6efc1c4e0d8f293e8c">armnnUtils::Filesystem::RemoveDirectoryAndContents</a></div><div class="ttdeci">void RemoveDirectoryAndContents(const std::string &amp;path)</div><div class="ttdoc">Remove a directory and its contents.</div><div class="ttdef"><b>Definition:</b> <a href="_filesystem_8cpp_source.html#l00084">Filesystem.cpp:84</a></div></div>
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337 <li class="navelem"><a class="el" href="namespacearmnn_utils.html">armnnUtils</a></li><li class="navelem"><a class="el" href="namespacearmnn_utils_1_1_filesystem.html">Filesystem</a></li>
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