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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li> </ul>
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<div class="title">s3_headers.h</div> </div>
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</div><!--header-->
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// MinIO C++ Library for Amazon S3 Compatible Cloud Storage</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright 2021 MinIO, Inc.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// </span></div>
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<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>
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<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>
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<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>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// </span></div>
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<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>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// </span></div>
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<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>
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<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>
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<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>
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<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>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <iostream></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <map></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <cstdlib></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <exception></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <stdexcept></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "s3_http.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="structDictionary__Error.html"> 27</a></span> <span class="keyword">struct </span><a class="code" href="structDictionary__Error.html">Dictionary_Error</a>: <span class="keyword">public</span> std::runtime_error {</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="structDictionary__Error.html">Dictionary_Error</a>(<span class="keyword">const</span> std::string & msg = <span class="stringliteral">""</span>): std::runtime_error(msg) {}</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> };</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>Minio</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">// A simple string-to-string dictionary, with additional methods for conversion to doubles and integers.</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classMinio_1_1Headers.html"> 34</a></span>  <span class="keyword">class </span><a class="code" href="classMinio_1_1Headers.html">Headers</a> {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  Minio::Http::HeaderValueCollection entries;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="classMinio_1_1Headers.html">Headers</a>() {}</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">typedef</span> Minio::Http::HeaderValueCollection::iterator iterator;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">typedef</span> Minio::Http::HeaderValueCollection::const_iterator const_iterator;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  iterator begin() {<span class="keywordflow">return</span> entries.begin();}</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  const_iterator begin()<span class="keyword"> const </span>{<span class="keywordflow">return</span> entries.begin();}</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  iterator end() {<span class="keywordflow">return</span> entries.end();}</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  const_iterator end()<span class="keyword"> const </span>{<span class="keywordflow">return</span> entries.end();}</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  std::pair<iterator, iterator> equal_range(<span class="keyword">const</span> std::string & key) {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> entries.equal_range(key);</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  std::pair<const_iterator, const_iterator> equal_range(<span class="keyword">const</span> std::string & key)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> entries.equal_range(key);</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">void</span> Clear() {entries.clear();}</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">bool</span> Exists(<span class="keyword">const</span> std::string & key)<span class="keyword"> const </span>{<span class="keywordflow">return</span> (entries.find(key) != entries.end());}</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// Get first value for key if one exists. Return true if a value found for key,</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// return false otherwise.</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">bool</span> Get(<span class="keyword">const</span> std::string & key, std::string & value)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">if</span>(val != entries.end()) value = val->second;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> (val != entries.end());</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">bool</span> Get(<span class="keyword">const</span> std::string & key, <span class="keywordtype">double</span> & value)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span>(val != entries.end()) value = strtod(val->second.c_str(), NULL);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> (val != entries.end());</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">bool</span> Get(<span class="keyword">const</span> std::string & key, <span class="keywordtype">int</span> & value)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span>(val != entries.end()) value = strtol(val->second.c_str(), NULL, 0);</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> (val != entries.end());</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">bool</span> Get(<span class="keyword">const</span> std::string & key, <span class="keywordtype">long</span> & value)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span>(val != entries.end()) value = strtol(val->second.c_str(), NULL, 0);</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> (val != entries.end());</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">bool</span> Get(<span class="keyword">const</span> std::string & key, <span class="keywordtype">size_t</span> & value)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span>(val != entries.end()) value = strtol(val->second.c_str(), NULL, 0);</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> (val != entries.end());</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// Get first value for key if one exists. Return value if found for key,</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// return defaultVal otherwise.</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> std::string & GetWithDefault(<span class="keyword">const</span> std::string & key, <span class="keyword">const</span> std::string & defaultVal)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> (val != entries.end())? val->second : defaultVal;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">double</span> GetWithDefault(<span class="keyword">const</span> std::string & key, <span class="keywordtype">double</span> defaultVal)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> (val != entries.end())? strtod(val->second.c_str(), NULL) : defaultVal;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">int</span> GetWithDefault(<span class="keyword">const</span> std::string & key, <span class="keywordtype">int</span> defaultVal)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> (val != entries.end())? strtol(val->second.c_str(), NULL, 0) : defaultVal;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">long</span> GetWithDefault(<span class="keyword">const</span> std::string & key, <span class="keywordtype">long</span> defaultVal)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> (val != entries.end())? strtol(val->second.c_str(), NULL, 0) : defaultVal;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">size_t</span> GetWithDefault(<span class="keyword">const</span> std::string & key, <span class="keywordtype">size_t</span> defaultVal)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  const_iterator val = entries.find(key);</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> (val != entries.end())? strtol(val->second.c_str(), NULL, 0) : defaultVal;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// Insert entry into dictionary, overwrites existing key values.</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">void</span> Insert(<span class="keyword">const</span> std::string & key, <span class="keyword">const</span> std::string & value) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  entries.insert(std::make_pair(key, value));</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// Update value for existing key if possible, insert entry into dictionary if no value for key</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">void</span> Update(<span class="keyword">const</span> std::string & key, <span class="keyword">const</span> std::string & value) {</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  iterator val = entries.find(key);</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span>(val == entries.end())</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  Insert(key, value);</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  val->second = value;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  };</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="astructDictionary__Error_html"><div class="ttname"><a href="structDictionary__Error.html">Dictionary_Error</a></div><div class="ttdef"><b>Definition:</b> s3_headers.h:27</div></div>
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<div class="ttc" id="aclassMinio_1_1Headers_html"><div class="ttname"><a href="classMinio_1_1Headers.html">Minio::Headers</a></div><div class="ttdef"><b>Definition:</b> s3_headers.h:34</div></div>
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