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manojsdoshi
2020-04-24 01:09:47 +00:00
parent 4ad595bf18
commit 430f6c0cf3
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@@ -90,75 +90,79 @@ $(function() {
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;ripple/basics/FileUtilities.h&gt;</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="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;{</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="namespaceripple.html#ab2a02635f3d304617a7b59a60d13cc3b"> 25</a></span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <a class="code" href="namespaceripple.html#ab2a02635f3d304617a7b59a60d13cc3b">getFileContents</a>(boost::system::error_code&amp; ec,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; boost::filesystem::path <span class="keyword">const</span>&amp; sourcePath,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; boost::optional&lt;std::size_t&gt; maxSize)</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;{</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">using namespace </span>boost::filesystem;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keyword">using namespace </span>boost::system::errc;</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; path fullPath{ canonical(sourcePath, ec) };</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordflow">if</span> (ec)</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordflow">if</span> (maxSize &amp;&amp; (file_size(fullPath, ec) &gt; *maxSize || ec))</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keywordflow">if</span> (!ec)</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; ec = make_error_code(file_too_large);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">return</span> {};</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; </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; ifstream fileStream(fullPath, std::ios::in);</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="keywordflow">if</span> (!fileStream)</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; {</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; ec = make_error_code(<span class="keyword">static_cast&lt;</span>errc_t<span class="keyword">&gt;</span>(errno));</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; }</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">const</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> result{ <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/istreambuf_iterator.html">std::istreambuf_iterator&lt;char&gt;</a>{fileStream},</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/istreambuf_iterator.html">std::istreambuf_iterator&lt;char&gt;</a>{} };</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; <span class="keywordflow">if</span> (fileStream.bad ())</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; ec = make_error_code(<span class="keyword">static_cast&lt;</span>errc_t<span class="keyword">&gt;</span>(errno));</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">return</span> {};</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; </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;}</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="namespaceripple.html#ae18870f8d8eaa17b582f609cc486aa04"> 63</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="namespaceripple.html#ae18870f8d8eaa17b582f609cc486aa04">writeFileContents</a>(boost::system::error_code&amp; ec,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; boost::filesystem::path <span class="keyword">const</span>&amp; destPath,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; contents)</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;{</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keyword">using namespace </span>boost::filesystem;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keyword">using namespace </span>boost::system::errc;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; ofstream fileStream(destPath, std::ios::out | std::ios::trunc);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">if</span> (!fileStream)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; ec = make_error_code(<span class="keyword">static_cast&lt;</span>errc_t<span class="keyword">&gt;</span>(errno));</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; }</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; fileStream &lt;&lt; contents;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">if</span> (fileStream.bad ())</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; ec = make_error_code(<span class="keyword">static_cast&lt;</span>errc_t<span class="keyword">&gt;</span>(errno));</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; }</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; </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;}</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="namespaceripple.html#ab2a02635f3d304617a7b59a60d13cc3b"> 25</a></span>&#160;<a class="code" href="namespaceripple.html#ab2a02635f3d304617a7b59a60d13cc3b">getFileContents</a>(</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; boost::system::error_code&amp; ec,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; boost::filesystem::path <span class="keyword">const</span>&amp; sourcePath,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; boost::optional&lt;std::size_t&gt; maxSize)</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;{</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keyword">using namespace </span>boost::filesystem;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="keyword">using namespace </span>boost::system::errc;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; path fullPath{canonical(sourcePath, ec)};</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">if</span> (ec)</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keywordflow">if</span> (maxSize &amp;&amp; (file_size(fullPath, ec) &gt; *maxSize || ec))</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordflow">if</span> (!ec)</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; ec = make_error_code(file_too_large);</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; }</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; ifstream fileStream(fullPath, std::ios::in);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordflow">if</span> (!fileStream)</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; ec = make_error_code(<span class="keyword">static_cast&lt;</span>errc_t<span class="keyword">&gt;</span>(errno));</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; }</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; <span class="keyword">const</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> result{</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/istreambuf_iterator.html">std::istreambuf_iterator&lt;char&gt;</a>{fileStream},</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/istreambuf_iterator.html">std::istreambuf_iterator&lt;char&gt;</a>{}};</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">if</span> (fileStream.bad())</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; ec = make_error_code(<span class="keyword">static_cast&lt;</span>errc_t<span class="keyword">&gt;</span>(errno));</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; }</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;}</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;<span class="keywordtype">void</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="namespaceripple.html#ae18870f8d8eaa17b582f609cc486aa04"> 66</a></span>&#160;<a class="code" href="namespaceripple.html#ae18870f8d8eaa17b582f609cc486aa04">writeFileContents</a>(</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; boost::system::error_code&amp; ec,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; boost::filesystem::path <span class="keyword">const</span>&amp; destPath,</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; contents)</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;{</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keyword">using namespace </span>boost::filesystem;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keyword">using namespace </span>boost::system::errc;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; ofstream fileStream(destPath, std::ios::out | std::ios::trunc);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">if</span> (!fileStream)</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; ec = make_error_code(<span class="keyword">static_cast&lt;</span>errc_t<span class="keyword">&gt;</span>(errno));</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</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; fileStream &lt;&lt; contents;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">if</span> (fileStream.bad())</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; ec = make_error_code(<span class="keyword">static_cast&lt;</span>errc_t<span class="keyword">&gt;</span>(errno));</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;}</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;} <span class="comment">// namespace ripple</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div><div class="ttdoc">STL class.</div></div>
<div class="ttc" id="anamespaceripple_html_ae18870f8d8eaa17b582f609cc486aa04"><div class="ttname"><a href="namespaceripple.html#ae18870f8d8eaa17b582f609cc486aa04">ripple::writeFileContents</a></div><div class="ttdeci">void writeFileContents(boost::system::error_code &amp;ec, boost::filesystem::path const &amp;destPath, std::string const &amp;contents)</div><div class="ttdef"><b>Definition:</b> <a href="FileUtilities_8cpp_source.html#l00063">FileUtilities.cpp:63</a></div></div>
<div class="ttc" id="anamespaceripple_html_ae18870f8d8eaa17b582f609cc486aa04"><div class="ttname"><a href="namespaceripple.html#ae18870f8d8eaa17b582f609cc486aa04">ripple::writeFileContents</a></div><div class="ttdeci">void writeFileContents(boost::system::error_code &amp;ec, boost::filesystem::path const &amp;destPath, std::string const &amp;contents)</div><div class="ttdef"><b>Definition:</b> <a href="FileUtilities_8cpp_source.html#l00066">FileUtilities.cpp:66</a></div></div>
<div class="ttc" id="aistreambuf_iterator_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/istreambuf_iterator.html">std::istreambuf_iterator</a></div></div>
<div class="ttc" id="anamespaceripple_html_ab2a02635f3d304617a7b59a60d13cc3b"><div class="ttname"><a href="namespaceripple.html#ab2a02635f3d304617a7b59a60d13cc3b">ripple::getFileContents</a></div><div class="ttdeci">std::string getFileContents(boost::system::error_code &amp;ec, boost::filesystem::path const &amp;sourcePath, boost::optional&lt; std::size_t &gt; maxSize=boost::none)</div><div class="ttdef"><b>Definition:</b> <a href="FileUtilities_8cpp_source.html#l00025">FileUtilities.cpp:25</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>