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| <li class="navelem"><a class="el" href="dir_1efe588324fc547683bba4a3f1bac847.html">core</a></li><li class="navelem"><a class="el" href="dir_42d6a63c575cefe61684dace41b3efd9.html">Support</a></li> </ul> |
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| <div class="title">Number.cs</div> </div> |
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| <a href="_number_8cs.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">/*</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">*/</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="keyword">using</span> System;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> System.Globalization;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>Lucene.Net.Support</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html"> 30</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html" title="A simple class for number conversions. ">Number</a></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  {</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#a560434b6a745ef589c70109389ad347c"> 35</a></span>  <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> MIN_RADIX = 2;</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#aa5971e5d83ced544926f33bf55f6b921"> 39</a></span>  <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> MAX_RADIX = 36;</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">private</span> <span class="keyword">const</span> System.String digits = <span class="stringliteral">"0123456789abcdefghijklmnopqrstuvwxyz"</span>;</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div> |
| <div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#a665755a13d3b013a03f5abb1a3fd44e9"> 49</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> System.String ToString(<span class="keywordtype">long</span> number)</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>  System.Text.StringBuilder s = <span class="keyword">new</span> System.Text.StringBuilder();</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (number == 0)</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>  s.Append(<span class="stringliteral">"0"</span>);</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (number < 0)</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>  s.Append(<span class="stringliteral">"-"</span>);</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  number = -number;</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>  <span class="keywordflow">while</span> (number > 0)</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">char</span> c = digits[(int)number % 36];</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  s.Insert(0, c);</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  number = number / 36;</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>  }</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> s.<a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#a665755a13d3b013a03f5abb1a3fd44e9" title="Converts a number to System.String. ">ToString</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> </div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#aed0709718fd91bc85d5e7d0f4b8c2a63"> 82</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> System.String ToString(<span class="keywordtype">float</span> f)</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="keywordflow">if</span> (((<span class="keywordtype">float</span>)(<span class="keywordtype">int</span>)f) == f)</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> ((<span class="keywordtype">int</span>)f).ToString() + <span class="stringliteral">".0"</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="keywordflow">else</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> f.ToString(NumberFormatInfo.InvariantInfo);</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>  }</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div> |
| <div class="line"><a name="l00100"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#a8404e1d5ebcf394fec53c51dde7c3840"> 100</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> System.String ToString(<span class="keywordtype">long</span> i, <span class="keywordtype">int</span> radix)</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="keywordflow">if</span> (radix < MIN_RADIX || radix > MAX_RADIX)</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  radix = 10;</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">char</span>[] buf = <span class="keyword">new</span> <span class="keywordtype">char</span>[65];</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">int</span> charPos = 64;</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">bool</span> negative = (i < 0);</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>  <span class="keywordflow">if</span> (!negative)</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>  i = -i;</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">while</span> (i <= -radix)</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  buf[charPos--] = digits[(int)(-(i % radix))];</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  i = i / radix;</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  buf[charPos] = digits[(int)(-i)];</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> (negative)</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>  buf[--charPos] = <span class="charliteral">'-'</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> </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> System.String(buf, charPos, (65 - charPos));</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> </div> |
| <div class="line"><a name="l00135"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#a39aa94966b78ae77aec0e8d2a91d816a"> 135</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">long</span> Parse(System.String s, <span class="keywordtype">int</span> radix)</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  {</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (s == null)</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  {</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> ArgumentException(<span class="stringliteral">"null"</span>);</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (radix < MIN_RADIX)</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">throw</span> <span class="keyword">new</span> NotSupportedException(<span class="stringliteral">"radix "</span> + radix +</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="stringliteral">" less than Number.MIN_RADIX"</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>  <span class="keywordflow">if</span> (radix > MAX_RADIX)</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException(<span class="stringliteral">"radix "</span> + radix +</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="stringliteral">" greater than Number.MAX_RADIX"</span>);</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</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="keywordtype">long</span> result = 0;</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">long</span> mult = 1;</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>  s = s.ToLower();</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="keywordflow">for</span> (<span class="keywordtype">int</span> i = s.Length - 1; i >= 0; i--)</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="keywordtype">int</span> weight = digits.IndexOf(s[i]);</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (weight == -1)</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> FormatException(<span class="stringliteral">"Invalid number for the specified radix"</span>);</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  result += (weight * mult);</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  mult *= radix;</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> </div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> result;</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="l00177"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#aafe44e2acf7feacad6abd2a425730644"> 177</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">int</span> URShift(<span class="keywordtype">int</span> number, <span class="keywordtype">int</span> bits)</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)(((uint)number) >> bits);</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div> |
| <div class="line"><a name="l00189"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#a4f9523463ffe1b62c35ef9c28ea7cd04"> 189</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">long</span> URShift(<span class="keywordtype">long</span> number, <span class="keywordtype">int</span> bits)</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  {</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> (<span class="keywordtype">long</span>)(((ulong)number) >> bits);</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div> |
| <div class="line"><a name="l00203"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#a2eda7b4b03bb24c79ef7e95bb1c01407"> 203</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">int</span> NextSetBit(System.Collections.BitArray bits, <span class="keywordtype">int</span> fromIndex)</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>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = fromIndex; i < bits.Length; i++)</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span> (bits[i] == <span class="keyword">true</span>)</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>  <span class="keywordflow">return</span> i;</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</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>  <span class="keywordflow">return</span> -1;</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> </div> |
| <div class="line"><a name="l00220"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_number.html#a60b7d7476ff3622733f73e027731d1d8"> 220</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">long</span> ToInt64(System.String s)</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  {</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">long</span> number = 0;</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">long</span> factor;</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// handle negative number</span></div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (s.StartsWith(<span class="stringliteral">"-"</span>))</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  {</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  s = s.Substring(1);</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  factor = -1;</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  {</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  factor = 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>  <span class="comment">// generate number</span></div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = s.Length - 1; i > -1; i--)</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>  <span class="keywordtype">int</span> n = digits.IndexOf(s[i]);</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="comment">// not supporting fractional or scientific notations</span></div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (n < 0)</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> System.ArgumentException(<span class="stringliteral">"Invalid or unsupported character in number: "</span> + s[i]);</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  number += (n * factor);</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  factor *= 36;</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> number;</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"> 252</span> }</div> |
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