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Posted to commits@mesos.apache.org by gi...@apache.org on 2018/05/30 00:51:05 UTC
[04/10] mesos-site git commit: Updated the website built from mesos
SHA: 521c8fe.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/a1626605/content/api/latest/c++/strings_8hpp_source.html
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<div class="title">strings.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="strings_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span
></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="lin
e"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_STRINGS_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_STRINGS_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <sstream></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</sp
an> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="foreach_8hpp.html">foreach.hpp</a>"</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="format_8hpp.html">format.hpp</a>"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="option_8hpp.html">option.hpp</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="stringify_8hpp.html">stringify.hpp</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno">
26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span><a class="code" href="namespacestrings.html">strings</a> {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="namespacestrings.html#a17d55c799d595daa41615b0f35e3e0c2"> 29</a></span> <span class="keyword">const</span> std::string <a class="code" href="namespacestrings.html#a17d55c799d595daa41615b0f35e3e0c2">WHITESPACE</a> = <span class="stringliteral">" \t\n\r"</span>;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Flags indicating how 'remove' or 'trim' should operate.</span></div><div class="line"><a name="l00032"></a><span class="lineno"><a class="lin
e" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03"> 32</a></span> <span class="keyword">enum</span> <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03">Mode</a></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03ac5ca819908c72528657d7fb463db8a9a"> 34</a></span>  <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03ac5ca819908c72528657d7fb463db8a9a">PREFIX</a>,</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a3772529a8ac366325b107aff7f7f1360"> 35</a></span>  <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a3772529a8ac366325b107aff7f7f1360">SUFFIX</a>,</div><div class="line"><a name="l00036"></a><span cl
ass="lineno"><a class="line" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc"> 36</a></span>  <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> };</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="namespacestrings.html#a3fbaeb4d589c49ac115fab3412073ca7"> 40</a></span> <span class="keyword">inline</span> std::string <span class="keyword">remove</span>(</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">const</span> std::string& from,</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&
#160; <span class="keyword">const</span> std::string& substring,</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03">Mode</a> <a class="code" href="namespaceos_1_1stat.html#afc51654ad486693167c300612bf8ebfa">mode</a> = <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a>)</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  std::string result = from;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03ac5ca819908c72528657d7fb463db8a9a">PREFIX</a>) {
</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span> (from.find(substring) == 0) {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  result = from.substr(substring.size());</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a3772529a8ac366325b107aff7f7f1360">SUFFIX</a>) {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (from.rfind(substring) == from.size() - substring.size()) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  result = from.substr(0, from.size() - substring.size());<
/div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">while</span> ((index = result.find(substring)) != std::string::npos) {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  result = result.erase(index, substring.size());</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div><div class="line"><a name="l00061"></a><span class="li
neno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="namespacestrings.html#a91df967b38a9c92553f009d681688734"> 66</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings.html#a91df967b38a9c92553f009d681688734">trim</a>(</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">const</span> std::string& from,</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="namespacestrings.html#a6ebac6
b171c6b20adb298cb020915b03">Mode</a> mode = <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a>,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> std::string& chars = WHITESPACE)</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacesystemd_1_1slices.html#a95aa197d8eed9f20dacb44f433b15f01">start</a> = 0;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="classOption.html">Option<size_t></a> end = <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno">
74</span>  <span class="keywordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a>) {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  start = from.find_first_not_of(chars);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  end = from.find_last_not_of(chars);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03ac5ca819908c72528657d7fb463db8a9a">PREFIX</a>) {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  start = from.find_first_not_of(chars);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  } <span class="keywordflow">else</span> <span class="key
wordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a3772529a8ac366325b107aff7f7f1360">SUFFIX</a>) {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  end = from.find_last_not_of(chars);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// Bail early if 'from' contains only characters in 'chars'.</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (start == std::string::npos) {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div><div class="line"><a nam
e="l00086"></a><span class="lineno"> 86</span>  }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// Calculate the length of the substring, defaulting to the "end" of</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// string if there were no characters to remove from the suffix.</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">size_t</span> length = std::string::npos;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// Found characters to trim at the end.</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span c
lass="keywordflow">if</span> (end.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && end.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() != std::string::npos) {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  length = end.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() + 1 - <a class="code" href="namespacesystemd_1_1slices.html#a95aa197d8eed9f20dacb44f433b15f01">start</a>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> from.substr(start, length);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> }</div><div class="line"><a name="l00099"></a><span clas
s="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// Helper providing some syntactic sugar for when 'mode' is ANY but</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// the 'chars' are specified.</span></div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="namespacestrings.html#a032918ed2a501e2acd5db3afc10df021"> 103</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings.html#a91df967b38a9c92553f009d681688734">trim</a>(</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> std::string& from,</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span clas
s="keyword">const</span> std::string& chars)</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> <a class="code" href="namespacestrings.html#a91df967b38a9c92553f009d681688734">trim</a>(from, <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a>, chars);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// Replaces all the occurrences of the 'from' string with the 'to' string.</span></div><div class="line"><a name="l00112"></a><span class="li
neno"><a class="line" href="namespacestrings.html#a082f6de42f9c52047369e2ff80155eca"> 112</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings.html#a082f6de42f9c52047369e2ff80155eca">replace</a>(</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> std::string& s,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::string& from,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> std::string& to)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  std::string result = s;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">size_t</span> <
a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> = 0;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> (from.empty()) {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">while</span> ((index = result.find(from, index)) != std::string::npos) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  result.replace(index, from.length(), to);</div><div class="line"><a name="l00126"></a><span class
="lineno"> 126</span>  index += to.length();</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// Tokenizes the string using the delimiters. Empty tokens will not be</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// included in the result.</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">//</span></div><div class="line"><a name="l
00135"></a><span class="lineno"> 135</span> <span class="comment">// Optionally, the maximum number of tokens to be returned can be</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// specified. If the maximum number of tokens is reached, the last</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// token returned contains the remainder of the input string.</span></div><div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04"> 138</a></span> <span class="keyword">inline</span> std::vector<std::string> <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">tokenize</a>(</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> std::string& s,</div><div class="line"><a name=
"l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> std::string& delims,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<size_t></a>& maxTokens = <a class="code" href="structNone.html">None</a>())</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (maxTokens.isSome() && maxTokens.get() == 0) {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> {};</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno
"> 147</span>  std::vector<std::string> tokens;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">size_t</span> offset = 0;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">size_t</span> nonDelim = s.find_first_not_of(delims, offset);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (nonDelim == std::string::npos) {</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">break</span>; <span cl
ass="comment">// Nothing left.</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">size_t</span> delim = s.find_first_of(delims, nonDelim);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// Finish tokenizing if this is the last token,</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// or we've found enough tokens.</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (delim == std::string::npos ||</div><div class="line"><a name="l00162"></a><span class="line
no"> 162</span>  (maxTokens.isSome() && tokens.size() == maxTokens.get() - 1)) {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  tokens.push_back(s.substr(nonDelim));</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  tokens.push_back(s.substr(nonDelim, delim - nonDelim));</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  offset = delim;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span
class="lineno"> 171</span>  <span class="keywordflow">return</span> tokens;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> }</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// Splits the string using the provided delimiters. The string is</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// split each time at the first character that matches any of the</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment">// characters specified in delims. Empty tokens are allowed in the</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// result.</span></
div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment">//</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// Optionally, the maximum number of tokens to be returned can be</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment">// specified. If the maximum number of tokens is reached, the last</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">// token returned contains the remainder of the input string.</span></div><div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="namespacestrings.html#a1f86a4a73f20056475dc065ec984eb7a"> 183</a></span> <span class="keyword">inline</span> std::vector<std::string> <a class="code" href="namespacestrings.html#a1f86a4a73f20056475dc065ec984eb7a">split</a>(</div><div class="line"><a nam
e="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">const</span> std::string& s,</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> std::string& delims,</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<size_t></a>& maxTokens = <a class="code" href="structNone.html">None</a>())</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (maxTokens.isSome() && maxTokens.get() == 0) {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> {};</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</di
v><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  std::vector<std::string> tokens;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">size_t</span> offset = 0;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">size_t</span> next = s.find_first_of(delims, offset);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// Finish splitting if this is the last token,</s
pan></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// or we've found enough tokens.</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (next == std::string::npos ||</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  (maxTokens.isSome() && tokens.size() == maxTokens.get() - 1)) {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  tokens.push_back(s.substr(offset));</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  tokens.pu
sh_back(s.substr(offset, next - offset));</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  offset = next + 1;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> tokens;</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// Returns a map of strings to strings based on calling tokenize</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// twice.
All non-pairs are discarded. For example:</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment">//</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// pairs("foo=1;bar=2;baz;foo=3;bam=1=2", ";&", "=")</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment">//</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// Would return a map with the following:</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// bar: ["2"]</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// foo: ["1", "3"]</span></div><div class="line"><a name="l00222"></a><span class="lineno"><a clas
s="line" href="namespacestrings.html#adaaf307e99ca9a9e434c43d7fda7d298"> 222</a></span> <span class="keyword">inline</span> std::map<std::string, std::vector<std::string>> <a class="code" href="namespacestrings.html#adaaf307e99ca9a9e434c43d7fda7d298">pairs</a>(</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">const</span> std::string& s,</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">const</span> std::string& delims1,</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">const</span> std::string& delims2)</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  std::map<std::string, std::vector<std::string>> result;</div><div class="line"><a name="l00228"><
/a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> std::vector<std::string> tokens = <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">tokenize</a>(s, delims1);</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">foreach</span> (<span class="keyword">const</span> std::string& token, tokens) {</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">const</span> std::vector<std::string> <a class="code" href="namespacestrings.html#adaaf307e99ca9a9e434c43d7fda7d298">pairs</a> = <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">tokenize</a>(token, delims2);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">if</span> (pairs.size() ==
2) {</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  result[pairs[0]].push_back(pairs[1]);</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> }</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l002
42"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="namespacestrings_1_1internal.html#acaa67ca80bcc987b1cc537822845f3f5"> 243</a></span> <span class="keyword">inline</span> std::stringstream& <a class="code" href="namespacestrings_1_1internal.html#acaa67ca80bcc987b1cc537822845f3f5">append</a>(</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  std::stringstream& stream,</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">const</span> std::string& value)</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> {</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  stream << value;</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> stream;</div><div class="li
ne"><a name="l00249"></a><span class="lineno"> 249</span> }</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"><a class="line" href="namespacestrings_1_1internal.html#a98e3542d098140d417fcb3d6e35836a0"> 252</a></span> <span class="keyword">inline</span> std::stringstream& <a class="code" href="namespacestrings_1_1internal.html#acaa67ca80bcc987b1cc537822845f3f5">append</a>(</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  std::stringstream& stream,</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  std::string&& value)</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> {</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  stream << val
ue;</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> stream;</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> }</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"><a class="line" href="namespacestrings_1_1internal.html#af61af4ae3c4f2524e00b4f2a8ded06c6"> 261</a></span> <span class="keyword">inline</span> std::stringstream& <a class="code" href="namespacestrings_1_1internal.html#acaa67ca80bcc987b1cc537822845f3f5">append</a>(</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  std::stringstream& stream,</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">const</span> <span class="keywordtype">c
har</span>*&& value)</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> {</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  stream << value;</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> stream;</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> }</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00271"></a><span class="lineno"><a class="line" href="namespacestrings_1_1internal.html#ae013029d60b66f6980085f55a27c00e7"> 271</a></span> std::stringstream& <a class="code" hre
f="namespacestrings_1_1internal.html#acaa67ca80bcc987b1cc537822845f3f5">append</a>(</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  std::stringstream& stream,</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  T&& value)</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> {</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  stream << ::stringify(std::forward<T>(value));</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> stream;</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> }</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</sp
an> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863"> 281</a></span> std::stringstream& <a class="code" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863">join</a>(</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  std::stringstream& stream,</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keyword">const</span> std::string& separator,</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  T&& tail)</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> {</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> <a class="code" h
ref="namespacestrings_1_1internal.html#acaa67ca80bcc987b1cc537822845f3f5">append</a>(stream, std::forward<T>(tail));</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> }</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="keyword">template</span> <<span class="keyword">typename</span> THead, <span class="keyword">typename</span>... TTail></div><div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="namespacestrings_1_1internal.html#a325c5015379eceee1d0b526b69292be4"> 291</a></span> std::stringstream& <a class="code" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863">join</a>(</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  std::string
stream& stream,</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">const</span> std::string& separator,</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  THead&& head,</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  TTail&&... tail)</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> {</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="namespacestrings_1_1internal.html#acaa67ca80bcc987b1cc537822845f3f5">append</a>(stream, std::forward<THead>(head)) << separator;</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863">internal::join</a>(stream, separator, std::forward<TTail>(tail)...);</div><div class="line"
><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span> stream;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> }</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="keyword">template</span> <<span class="keyword">typename</span>... T></div><div class="line"><a name="l00306"></a><span class="lineno"><a class="line" href="namespacestrings.html#ac315a6174f56cba0d8295f84da265416"> 306</a></span> std::stringstream& <a class="code" href="namespacestrings_1_1internal
.html#aee9076202875ef7e5d438b5b8bb9e863">join</a>(</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  std::stringstream& stream,</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keyword">const</span> std::string& separator,</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  T&&... args)</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> {</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863">internal::join</a>(stream, separator, std::forward<T>(args)...);</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> stream;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> }</div><div class="lin
e"><a name="l00314"></a><span class="lineno"> 314</span> </div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// Use 2 heads here to disambiguate variadic argument join from the</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// templatized Iterable join below. This means this implementation of</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// strings::join() is only activated if there are 2 or more things to</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment">// join.</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="keyword">template</span> <<span class="keyword">typename</span> THead1, <span class="
keyword">typename</span> THead2, <span class="keyword">typename</span>... TTail></div><div class="line"><a name="l00321"></a><span class="lineno"><a class="line" href="namespacestrings.html#a7dcd151d2c339eb3c2f9ac9d75223eac"> 321</a></span> std::string <a class="code" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863">join</a>(</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keyword">const</span> std::string& separator,</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  THead1&& head1,</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  THead2&& head2,</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  TTail&&... tail)</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> {</div><div class="line"><a name="l00327"></a><span class="lineno">
327</span>  std::stringstream stream;</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863">internal::join</a>(</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  stream,</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  separator,</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  std::forward<THead1>(head1),</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  std::forward<THead2>(head2),</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  std::forward<TTail>(tail)...);</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> stream.str();</div><div class="line"><a name="l00335"></a><
span class="lineno"> 335</span> }</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment">// Ensure std::string doesn't fall into the iterable case</span></div><div class="line"><a name="l00339"></a><span class="lineno"><a class="line" href="namespacestrings.html#a17b772b14fe4a5d91260205e7d2e5775"> 339</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863">join</a>(<span class="keyword">const</span> std::string& seperator, <span class="keyword">const</span> std::string& s) {</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> s;</div><div class="line"><a name="l00341"></a><span cla
ss="lineno"> 341</span> }</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// Use duck-typing to join any iterable.</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterable></div><div class="line"><a name="l00346"></a><span class="lineno"><a class="line" href="namespacestrings.html#ae96a03b66b88e25e074fc9000985506d"> 346</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings_1_1internal.html#aee9076202875ef7e5d438b5b8bb9e863">join</a>(<span class="keyword">const</span> std::string& separator, <span class="keyword">const</span> Iterable& i)</div><div class="line"><a name="l00347"
></a><span class="lineno"> 347</span> {</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  std::string result;</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keyword">typename</span> Iterable::const_iterator iterator = i.begin();</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">while</span> (iterator != i.end()) {</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  result += <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(*iterator);</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (++iterator != i.end()) {</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  result += separator;</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</
span>  }</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> }</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> </div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div><div class="line"><a name="l00360"></a><span class="lineno"><a class="line" href="namespacestrings.html#a24c5a92c560245c3d96c3ee559d84f8b"> 360</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacestrings.html#a24c5a92c560245c3d96c3ee559d84f8b">checkBracketsMatching</a>(</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keyword">const</span> std::string& s,</div><div class="li
ne"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> openBracket,</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> closeBracket)</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> {</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordtype">int</span> count = 0;</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < s.length(); i++) {</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> (s[i] == openBracket) {</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  count++;</div><div
class="line"><a name="l00369"></a><span class="lineno"> 369</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s[i] == closeBracket) {</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  count--;</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">if</span> (count < 0) {</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">return</span> count == 0;</div><div clas
s="line"><a name="l00377"></a><span class="lineno"> 377</span> }</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div><div class="line"><a name="l00380"></a><span class="lineno"><a class="line" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7"> 380</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">startsWith</a>(<span class="keyword">const</span> std::string& s, <span class="keyword">const</span> std::string& <a class="code" href="namespaceos_1_1libraries_1_1Library.html#ab0e1a0e311049b6d685de1068e8f4690">prefix</a>)</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> {</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">return</spa
n> s.size() >= prefix.size() &&</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1compatibility.html#a33626bd97d6fc83d7a5e40ec18a799e0">std::equal</a>(prefix.begin(), prefix.end(), s.begin());</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> }</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"><a class="line" href="namespacestrings.html#ad7fa64549fd2974c79b288e5a30293f0"> 387</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">startsWith</a>(<span class="keyword">const</span> std::string& s, <span class="keywordtype">char</span> c)</div><d
iv class="line"><a name="l00388"></a><span class="lineno"> 388</span> {</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> !s.empty() && s.front() == c;</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> }</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div><div class="line"><a name="l00393"></a><span class="lineno"><a class="line" href="namespacestrings.html#a04772ad549ec2958e0cd80218c32a865"> 393</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacestrings.html#a04772ad549ec2958e0cd80218c32a865">endsWith</a>(<span class="keyword">const</span> std::string& s, <span class="keyword">const</span> std::string& suffix)</div><div class="line"><a name="l00394"></a><span class=
"lineno"> 394</span> {</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">return</span> s.size() >= suffix.size() &&</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1compatibility.html#a33626bd97d6fc83d7a5e40ec18a799e0">std::equal</a>(suffix.rbegin(), suffix.rend(), s.rbegin());</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> }</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div><div class="line"><a name="l00400"></a><span class="lineno"><a class="line" href="namespacestrings.html#a60caed63b6be93295175426a114a00a6"> 400</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacestrings.html
#a04772ad549ec2958e0cd80218c32a865">endsWith</a>(<span class="keyword">const</span> std::string& s, <span class="keywordtype">char</span> c)</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> {</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">return</span> !s.empty() && s.back() == c;</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span> }</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div><div class="line"><a name="l00406"></a><span class="lineno"><a class="line" href="namespacestrings.html#a269921757daf11096d3f5e02686f8444"> 406</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacestrings.html#a269921757daf11096d3f5e02686f8444">contains</a>(<span class="keyword
">const</span> std::string& s, <span class="keyword">const</span> std::string& substr)</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> {</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">return</span> s.find(substr) != std::string::npos;</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> }</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> </div><div class="line"><a name="l00412"></a><span class="lineno"><a class="line" href="namespacestrings.html#a66b9edbbfb1f158b6c420367a1457a0b"> 412</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings.html#a66b9edbbfb1f158b6c420367a1457a0b">lower</a>(<span class="keyword">const</span> std::string& s)</div><div class="line"><a name="l00413"></a>
<span class="lineno"> 413</span> {</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  std::string result = s;</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <a class="code" href="namespacemesos_1_1internal_1_1recordio.html#a5fcab68176c462aaeed909f304c91bdf">std::transform</a>(result.begin(), result.end(), result.begin(), ::tolower);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> }</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> </div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div><div class="line"><a name="l00420"></a><span class="lineno"><a class="line" href="namespacestrings.html#a69f3467801285caf9a9e04929ff33cee"> 420</a></span> <span class="keyword">inline</sp
an> std::string <a class="code" href="namespacestrings.html#a69f3467801285caf9a9e04929ff33cee">upper</a>(<span class="keyword">const</span> std::string& s)</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> {</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  std::string result = s;</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <a class="code" href="namespacemesos_1_1internal_1_1recordio.html#a5fcab68176c462aaeed909f304c91bdf">std::transform</a>(result.begin(), result.end(), result.begin(), ::toupper);</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> }</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&
#160;} <span class="comment">// namespace strings {</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> </div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor">#endif // __STOUT_STRINGS_HPP__</span></div><div class="ttc" id="namespacestrings_html_a04772ad549ec2958e0cd80218c32a865"><div class="ttname"><a href="namespacestrings.html#a04772ad549ec2958e0cd80218c32a865">strings::endsWith</a></div><div class="ttdeci">bool endsWith(const std::string &s, const std::string &suffix)</div><div class="ttdef"><b>Definition:</b> strings.hpp:393</div></div>
+<a href="strings_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span
></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="lin
e"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_STRINGS_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_STRINGS_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <cstring></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <sstream></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</s
pan> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="foreach_8hpp.html">foreach.hpp</a>"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="format_8hpp.html">format.hpp</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="option_8hpp.html">option.hpp</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include &quo
t;<a class="code" href="stringify_8hpp.html">stringify.hpp</a>"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespacestrings.html">strings</a> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="namespacestrings.html#a17d55c799d595daa41615b0f35e3e0c2"> 30</a></span> <span class="keyword">const</span> std::string <a class="code" href="namespacestrings.html#a17d55c799d595daa41615b0f35e3e0c2">WHITESPACE</a> = <span class="stringliteral">" \t\n\r"</span>;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// Flags indicatin
g how 'remove' or 'trim' should operate.</span></div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03"> 33</a></span> <span class="keyword">enum</span> <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03">Mode</a></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03ac5ca819908c72528657d7fb463db8a9a"> 35</a></span>  <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03ac5ca819908c72528657d7fb463db8a9a">PREFIX</a>,</div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a3772529a8ac366325b107aff7f7f1360"> 36</a></span>  <a class="code" href="namespacestr
ings.html#a6ebac6b171c6b20adb298cb020915b03a3772529a8ac366325b107aff7f7f1360">SUFFIX</a>,</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc"> 37</a></span>  <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> };</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespacestrings.html#a3fbaeb4d589c49ac115fab3412073ca7"> 41</a></span> <span class="keyword">inline</span> std::string <span class="keyword">remove</span>(</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>
0; <span class="keyword">const</span> std::string& from,</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">const</span> std::string& substring,</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03">Mode</a> <a class="code" href="namespaceos_1_1stat.html#afc51654ad486693167c300612bf8ebfa">mode</a> = <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a>)</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> {</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  std::string result = from;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if
</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03ac5ca819908c72528657d7fb463db8a9a">PREFIX</a>) {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span> (from.find(substring) == 0) {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  result = from.substr(substring.size());</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a3772529a8ac366325b107aff7f7f1360">SUFFIX</a>) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (from.rfind(substring) == from.size() - substring.size()) {</div
><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  result = from.substr(0, from.size() - substring.size());</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">while</span> ((index = result.find(substring)) != std::string::npos) {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  result = result.erase(index, substring.size());</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div
><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="namespacestrings.html#a91df967b38a9c92553f009d681688734"> 67</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings.html#a91df967b38a9c92553f009d681688734">trim</a>(</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> std::string& fr
om,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03">Mode</a> mode = <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a>,</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">const</span> std::string& chars = WHITESPACE)</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacesystemd_1_1slices.html#a95aa197d8eed9f20dacb44f433b15f01">start</a> = 0;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classOption.html">Option<size_t></a> end = <a class="code" href="structNone.html">None</a>();</div><div
class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a>) {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  start = from.find_first_not_of(chars);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  end = from.find_last_not_of(chars);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03ac5ca819908c72528657d7fb463db8a9a">PREFIX</a>) {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  start = from.find_first_not_of(chars);
</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a3772529a8ac366325b107aff7f7f1360">SUFFIX</a>) {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  end = from.find_last_not_of(chars);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// Bail early if 'from' contains only characters in 'chars'.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (start == std::string::npos) {</div><div class="line"><a name="l00086"></a><span class="lineno
"> 86</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// Calculate the length of the substring, defaulting to the "end" of</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// string if there were no characters to remove from the suffix.</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">size_t</span> length = std::string::npos;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="commen
t">// Found characters to trim at the end.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (end.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && end.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() != std::string::npos) {</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  length = end.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() + 1 - <a class="code" href="namespacesystemd_1_1slices.html#a95aa197d8eed9f20dacb44f433b15f01">start</a>;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> from.substr(start, length
);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// Helper providing some syntactic sugar for when 'mode' is ANY but</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// the 'chars' are specified.</span></div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="namespacestrings.html#a032918ed2a501e2acd5db3afc10df021"> 104</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings.html#a91df967b38a9c92553f009d681688734">trim</a>(</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="
keyword">const</span> std::string& from,</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> std::string& chars)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> {</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <a class="code" href="namespacestrings.html#a91df967b38a9c92553f009d681688734">trim</a>(from, <a class="code" href="namespacestrings.html#a6ebac6b171c6b20adb298cb020915b03a8e08e943e8e52d7502962483d90f52cc">ANY</a>, chars);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// Replaces all
the occurrences of the 'from' string with the 'to' string.</span></div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="namespacestrings.html#a082f6de42f9c52047369e2ff80155eca"> 113</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacestrings.html#a082f6de42f9c52047369e2ff80155eca">replace</a>(</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::string& s,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> std::string& from,</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> std::string& to)</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  std::str
ing result = s;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> = 0;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (from.empty()) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">while</span> ((index = result.find(from, index)) != std::string::npos) {</div><div class="line"><a name="l00126"></
a><span class="lineno"> 126</span>  result.replace(index, from.length(), to);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  index += to.length();</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// Tokenizes the string using the delimiters. Empty tokens will not be</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// included in the result.</span></div><
div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment">//</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// Optionally, the maximum number of tokens to be returned can be</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// specified. If the maximum number of tokens is reached, the last</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// token returned contains the remainder of the input string.</span></div><div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04"> 139</a></span> <span class="keyword">inline</span> std::vector<std::string> <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">tokenize</a>(</div><div class="line"><a name=
"l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> std::string& s,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">const</span> std::string& delims,</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<size_t></a>& maxTokens = <a class="code" href="structNone.html">None</a>())</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (maxTokens.isSome() && maxTokens.get() == 0) {</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> {};</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  std::vector<std::string> tokens;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">size_t</span> offset = 0;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">size_t</span> nonDelim = s.find_first_not_of(delims, offset);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (nonDelim == std::string::npo
s) {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">break</span>; <span class="comment">// Nothing left.</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">size_t</span> delim = s.find_first_of(delims, nonDelim);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// Finish tokenizing if this is the last token,</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// or we've found enough tokens.</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</s
pan>  <span class="keywordflow">if</span> (delim == std::string::npos ||</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  (maxTokens.isSome() && tokens.size() == maxTokens.get() - 1)) {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  tokens.push_back(s.substr(nonDelim));</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00166"></a><span class="
<TRUNCATED>