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| <div class="title">UnicodeUtil.cs</div> </div> |
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| <div class="contents"> |
| <a href="_unicode_util_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"> * Licensed to the Apache Software Foundation (ASF) under one or more</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</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"> * Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>Lucene.Net.Util</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>  </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * Some of this code came from the excellent Unicode</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * conversion examples from:</span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * http://www.unicode.org/Public/PROGRAMS/CVTUTF</span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * Full Copyright for that code follows:*/</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">/*</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * Copyright 2001-2004 Unicode, Inc.</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * Disclaimer</span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * This source code is provided as is by Unicode, Inc. No claims are</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * made as to fitness for any particular purpose. No warranties of any</span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * kind are expressed or implied. The recipient agrees to determine</span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * applicability of information provided. If this file has been</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * purchased on magnetic or optical media from Unicode, Inc., the</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * sole remedy for any claim will be exchange of defective media</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * within 90 days of receipt.</span></div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * Limitations on Rights to Redistribute This Code</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * Unicode, Inc. hereby grants the right to freely use the information</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * supplied in this file in the creation of products supporting the</span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * Unicode Standard, and to make copies of this file in any form</span></div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * for internal or external distribution as long as this notice</span></div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * remains attached.</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</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>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">class </span><a class="code" href="_compression_tools_8cs.html#ac6445f47719a63eecd9434c88ae8b7df">UnicodeUtil</a></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="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> UNI_SUR_HIGH_START = 0xD800;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> UNI_SUR_HIGH_END = 0xDBFF;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> UNI_SUR_LOW_START = 0xDC00;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> UNI_SUR_LOW_END = 0xDFFF;</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> UNI_REPLACEMENT_CHAR = 0xFFFD;</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="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">long</span> UNI_MAX_BMP = 0x0000FFFF;</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="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">int</span> HALF_BASE = 0x0010000;</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">long</span> HALF_SHIFT = 10;</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">long</span> HALF_MASK = 0x3FFL;</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f8_result.html"> 77</a></span>  <span class="keyword">public</span> sealed <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f8_result.html">UTF8Result</a></div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f8_result.html#a48bee69734793346bf1d8a2ffdf9ba73"> 79</a></span>  <span class="keyword">public</span> byte[] result = <span class="keyword">new</span> byte[10];</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f8_result.html#a39d93f94dd3746e534a9db81d02172e8"> 80</a></span>  <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f8_result.html#a39d93f94dd3746e534a9db81d02172e8">length</a>;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f8_result.html#ac21e219808c40ec36f3e3cc48546393d"> 82</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> SetLength(<span class="keywordtype">int</span> newLength)</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> (result.Length < newLength)</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>  byte[] newArray = <span class="keyword">new</span> byte[(int) (1.5 * newLength)];</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  Array.Copy(result, 0, newArray, 0, length);</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  result = newArray;</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>  length = newLength;</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="l00094"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html"> 94</a></span>  <span class="keyword">public</span> sealed <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html">UTF16Result</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"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html#af8f062e52f06da9cff5acdc6c098c270"> 96</a></span>  <span class="keyword">public</span> <span class="keywordtype">char</span>[] result = <span class="keyword">new</span> <span class="keywordtype">char</span>[10];</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html#aff93100c78d9c8ff23f16ffae31de168"> 97</a></span>  <span class="keyword">public</span> <span class="keywordtype">int</span>[] offsets = <span class="keyword">new</span> <span class="keywordtype">int</span>[10];</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html#ad5c5c90c6bbb7757b004cd741577209b"> 98</a></span>  <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html#ad5c5c90c6bbb7757b004cd741577209b">length</a>;</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div> |
| <div class="line"><a name="l00100"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html#a4d255393a83171463a1c0e5f72a12b38"> 100</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> SetLength(<span class="keywordtype">int</span> newLength)</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> (result.Length < newLength)</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">char</span>[] newArray = <span class="keyword">new</span> <span class="keywordtype">char</span>[(int) (1.5 * newLength)];</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Array.Copy(result, 0, newArray, 0, length);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  result = newArray;</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>  length = newLength;</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"><a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html#a73800a9353f8c0b23e380b0c793a3d11"> 111</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> CopyText(<a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html">UTF16Result</a> other)</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>  SetLength(other.<a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html#ad5c5c90c6bbb7757b004cd741577209b">length</a>);</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  Array.Copy(other.<a class="code" href="class_lucene_1_1_net_1_1_util_1_1_unicode_util_1_1_u_t_f16_result.html#af8f062e52f06da9cff5acdc6c098c270">result</a>, 0, result, 0, length);</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>  }</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> UTF16toUTF8(<span class="keywordtype">char</span>[] source, <span class="keywordtype">int</span> offset, UTF8Result 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="keywordtype">int</span> upto = 0;</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> i = offset;</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  byte[] out_Renamed = result.result;</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">while</span> (<span class="keyword">true</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="keywordtype">int</span> code = (int) source[i++];</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (upto + 4 > out_Renamed.Length)</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  {</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  byte[] newOut = <span class="keyword">new</span> byte[2 * out_Renamed.Length];</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  System.Diagnostics.Debug.Assert(newOut.Length >= upto + 4);</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  Array.Copy(out_Renamed, 0, newOut, 0, upto);</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  result.result = out_Renamed = newOut;</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>  <span class="keywordflow">if</span> (code < 0x80)</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  out_Renamed[upto++] = (byte) code;</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (code < 0x800)</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  {</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  out_Renamed[upto++] = (byte) (0xC0 | (code >> 6));</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  out_Renamed[upto++] = (byte) (0x80 | (code & 0x3F));</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>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (code < 0xD800 || code > 0xDFFF)</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">if</span> (code == 0xffff)</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// END</span></div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  out_Renamed[upto++] = (byte) (0xE0 | (code >> 12));</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  out_Renamed[upto++] = (byte) (0x80 | ((code >> 6) & 0x3F));</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  out_Renamed[upto++] = (byte) (0x80 | (code & 0x3F));</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="keywordflow">else</span></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">// surrogate pair</span></div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// confirm valid high surrogate</span></div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (code < 0xDC00 && source[i] != 0xffff)</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  {</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">int</span> utf32 = (int) source[i];</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// confirm valid low surrogate and write pair</span></div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (utf32 >= 0xDC00 && utf32 <= 0xDFFF)</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>  utf32 = ((code - 0xD7C0) << 10) + (utf32 & 0x3FF);</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  i++;</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  out_Renamed[upto++] = (byte) (0xF0 | (utf32 >> 18));</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  out_Renamed[upto++] = (byte) (0x80 | ((utf32 >> 12) & 0x3F));</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  out_Renamed[upto++] = (byte) (0x80 | ((utf32 >> 6) & 0x3F));</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  out_Renamed[upto++] = (byte) (0x80 | (utf32 & 0x3F));</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">continue</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>  }</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// replace unpaired surrogate or out-of-order low surrogate</span></div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// with substitution character</span></div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  out_Renamed[upto++] = (byte) (0xEF);</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  out_Renamed[upto++] = (byte) (0xBF);</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  out_Renamed[upto++] = (byte) (0xBD);</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="l00183"></a><span class="lineno"> 183</span>  <span class="comment">//assert matches(source, offset, i-offset-1, out, upto);</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  result.length = upto;</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> UTF16toUTF8(<span class="keywordtype">char</span>[] source, <span class="keywordtype">int</span> offset, <span class="keywordtype">int</span> length, UTF8Result result)</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>  <span class="keywordtype">int</span> upto = 0;</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordtype">int</span> i = offset;</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">int</span> end = offset + length;</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  byte[] out_Renamed = result.result;</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  </div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">while</span> (i < end)</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  {</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">int</span> code = (int) source[i++];</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span> (upto + 4 > out_Renamed.Length)</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>  byte[] newOut = <span class="keyword">new</span> byte[2 * out_Renamed.Length];</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  System.Diagnostics.Debug.Assert(newOut.Length >= upto + 4);</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  Array.Copy(out_Renamed, 0, newOut, 0, upto);</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  result.result = out_Renamed = newOut;</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>  <span class="keywordflow">if</span> (code < 0x80)</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  out_Renamed[upto++] = (byte) code;</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (code < 0x800)</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  {</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  out_Renamed[upto++] = (byte) (0xC0 | (code >> 6));</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  out_Renamed[upto++] = (byte) (0x80 | (code & 0x3F));</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (code < 0xD800 || code > 0xDFFF)</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  out_Renamed[upto++] = (byte) (0xE0 | (code >> 12));</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  out_Renamed[upto++] = (byte) (0x80 | ((code >> 6) & 0x3F));</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  out_Renamed[upto++] = (byte) (0x80 | (code & 0x3F));</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// surrogate pair</span></div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// confirm valid high surrogate</span></div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (code < 0xDC00 && i < end && source[i] != 0xffff)</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  {</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">int</span> utf32 = (int) source[i];</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// confirm valid low surrogate and write pair</span></div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">if</span> (utf32 >= 0xDC00 && utf32 <= 0xDFFF)</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  {</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  utf32 = ((code - 0xD7C0) << 10) + (utf32 & 0x3FF);</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  i++;</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  out_Renamed[upto++] = (byte) (0xF0 | (utf32 >> 18));</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  out_Renamed[upto++] = (byte) (0x80 | ((utf32 >> 12) & 0x3F));</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  out_Renamed[upto++] = (byte) (0x80 | ((utf32 >> 6) & 0x3F));</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  out_Renamed[upto++] = (byte) (0x80 | (utf32 & 0x3F));</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// replace unpaired surrogate or out-of-order low surrogate</span></div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">// with substitution character</span></div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  out_Renamed[upto++] = (byte) (0xEF);</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  out_Renamed[upto++] = (byte) (0xBF);</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  out_Renamed[upto++] = (byte) (0xBD);</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>  }</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">//assert matches(source, offset, length, out, upto);</span></div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  result.length = upto;</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  </div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> UTF16toUTF8(System.String s, <span class="keywordtype">int</span> offset, <span class="keywordtype">int</span> length, UTF8Result result)</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>  <span class="keywordtype">int</span> end = offset + length;</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  </div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  byte[] out_Renamed = result.result;</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">int</span> upto = 0;</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = offset; i < end; i++)</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  {</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">int</span> code = (int) s[i];</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>  <span class="keywordflow">if</span> (upto + 4 > out_Renamed.Length)</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  {</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  byte[] newOut = <span class="keyword">new</span> byte[2 * out_Renamed.Length];</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  System.Diagnostics.Debug.Assert(newOut.Length >= upto + 4);</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  Array.Copy(out_Renamed, 0, newOut, 0, upto);</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  result.result = out_Renamed = newOut;</div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  }</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span> (code < 0x80)</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  out_Renamed[upto++] = (byte) code;</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (code < 0x800)</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</span>  out_Renamed[upto++] = (byte) (0xC0 | (code >> 6));</div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  out_Renamed[upto++] = (byte) (0x80 | (code & 0x3F));</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (code < 0xD800 || code > 0xDFFF)</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  {</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  out_Renamed[upto++] = (byte) (0xE0 | (code >> 12));</div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  out_Renamed[upto++] = (byte) (0x80 | ((code >> 6) & 0x3F));</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  out_Renamed[upto++] = (byte) (0x80 | (code & 0x3F));</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>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  {</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// surrogate pair</span></div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// confirm valid high surrogate</span></div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">if</span> (code < 0xDC00 && (i < end - 1))</div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  {</div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordtype">int</span> utf32 = (int) s[i + 1];</div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// confirm valid low surrogate and write pair</span></div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (utf32 >= 0xDC00 && utf32 <= 0xDFFF)</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  {</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  utf32 = ((code - 0xD7C0) << 10) + (utf32 & 0x3FF);</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  i++;</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  out_Renamed[upto++] = (byte) (0xF0 | (utf32 >> 18));</div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  out_Renamed[upto++] = (byte) (0x80 | ((utf32 >> 12) & 0x3F));</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  out_Renamed[upto++] = (byte) (0x80 | ((utf32 >> 6) & 0x3F));</div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  out_Renamed[upto++] = (byte) (0x80 | (utf32 & 0x3F));</div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// replace unpaired surrogate or out-of-order low surrogate</span></div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">// with substitution character</span></div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  out_Renamed[upto++] = (byte) (0xEF);</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  out_Renamed[upto++] = (byte) (0xBF);</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  out_Renamed[upto++] = (byte) (0xBD);</div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">//assert matches(s, offset, length, out, upto);</span></div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  result.length = upto;</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  </div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> UTF8toUTF16(byte[] utf8, <span class="keywordtype">int</span> offset, <span class="keywordtype">int</span> length, UTF16Result result)</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  {</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>  <span class="keywordtype">int</span> end = offset + length;</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordtype">char</span>[] out_Renamed = result.result;</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">if</span> (result.offsets.Length <= end)</div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  {</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordtype">int</span>[] newOffsets = <span class="keyword">new</span> <span class="keywordtype">int</span>[2 * end];</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  Array.Copy(result.offsets, 0, newOffsets, 0, result.offsets.Length);</div> |
| <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  result.offsets = newOffsets;</div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordtype">int</span>[] offsets = result.offsets;</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>  <span class="comment">// If incremental decoding fell in the middle of a</span></div> |
| <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="comment">// single unicode character, rollback to its start:</span></div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordtype">int</span> upto = offset;</div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">while</span> (offsets[upto] == - 1)</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  upto--;</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>  <span class="keywordtype">int</span> outUpto = offsets[upto];</div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  </div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="comment">// Pre-allocate for worst case 1-for-1</span></div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">if</span> (outUpto + length >= out_Renamed.Length)</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>  <span class="keywordtype">char</span>[] newOut = <span class="keyword">new</span> <span class="keywordtype">char</span>[2 * (outUpto + length)];</div> |
| <div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  Array.Copy(out_Renamed, 0, newOut, 0, outUpto);</div> |
| <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  result.result = out_Renamed = newOut;</div> |
| <div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div> |
| <div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  </div> |
| <div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">while</span> (upto < end)</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="keywordtype">int</span> b = utf8[upto] & 0xff;</div> |
| <div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordtype">int</span> ch;</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>  offsets[upto++] = outUpto;</div> |
| <div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div> |
| <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">if</span> (b < 0xc0)</div> |
| <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  {</div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  System.Diagnostics.Debug.Assert(b < 0x80);</div> |
| <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  ch = b;</div> |
| <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  }</div> |
| <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (b < 0xe0)</div> |
| <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  {</div> |
| <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  ch = ((b & 0x1f) << 6) + (utf8[upto] & 0x3f);</div> |
| <div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  offsets[upto++] = - 1;</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  }</div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (b < 0xf0)</div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  {</div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  ch = ((b & 0xf) << 12) + ((utf8[upto] & 0x3f) << 6) + (utf8[upto + 1] & 0x3f);</div> |
| <div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  offsets[upto++] = - 1;</div> |
| <div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  offsets[upto++] = - 1;</div> |
| <div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">else</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>  System.Diagnostics.Debug.Assert(b < 0xf8);</div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  ch = ((b & 0x7) << 18) + ((utf8[upto] & 0x3f) << 12) + ((utf8[upto + 1] & 0x3f) << 6) + (utf8[upto + 2] & 0x3f);</div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  offsets[upto++] = - 1;</div> |
| <div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  offsets[upto++] = - 1;</div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  offsets[upto++] = - 1;</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>  <span class="keywordflow">if</span> (ch <= UNI_MAX_BMP)</div> |
| <div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  {</div> |
| <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// target is a character <= 0xFFFF</span></div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  out_Renamed[outUpto++] = (char) ch;</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>  <span class="keywordflow">else</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"> 393</span>  <span class="comment">// target is a character in range 0xFFFF - 0x10FFFF</span></div> |
| <div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordtype">int</span> chHalf = ch - HALF_BASE;</div> |
| <div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  out_Renamed[outUpto++] = (char) ((chHalf >> (<span class="keywordtype">int</span>) HALF_SHIFT) + UNI_SUR_HIGH_START);</div> |
| <div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  out_Renamed[outUpto++] = (char) ((chHalf & HALF_MASK) + UNI_SUR_LOW_START);</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"> 400</span>  offsets[upto] = outUpto;</div> |
| <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  result.length = outUpto;</div> |
| <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</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>  <span class="comment">// Only called from assert</span></div> |
| <div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="comment"> private static boolean matches(char[] source, int offset, int length, byte[] result, int upto) {</span></div> |
| <div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment"> try {</span></div> |
| <div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="comment"> String s1 = new String(source, offset, length);</span></div> |
| <div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment"> String s2 = new String(result, 0, upto, "UTF-8");</span></div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment"> if (!s1.equals(s2)) {</span></div> |
| <div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment"> //System.out.println("DIFF: s1 len=" + s1.length());</span></div> |
| <div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment"> //for(int i=0;i<s1.length();i++)</span></div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="comment"> // System.out.println(" " + i + ": " + (int) s1.charAt(i));</span></div> |
| <div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment"> //System.out.println("s2 len=" + s2.length());</span></div> |
| <div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment"> //for(int i=0;i<s2.length();i++)</span></div> |
| <div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment"> // System.out.println(" " + i + ": " + (int) s2.charAt(i));</span></div> |
| <div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="comment"> // If the input string was invalid, then the</span></div> |
| <div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="comment"> // difference is OK</span></div> |
| <div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"> if (!validUTF16String(s1))</span></div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="comment"> return true;</span></div> |
| <div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="comment"> return s1.equals(s2);</span></div> |
| <div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment"> } catch (UnsupportedEncodingException uee) {</span></div> |
| <div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment"> // Only called from assert</span></div> |
| <div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"> private static boolean matches(String source, int offset, int length, byte[] result, int upto) {</span></div> |
| <div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment"> try {</span></div> |
| <div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment"> String s1 = source.substring(offset, offset+length);</span></div> |
| <div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment"> String s2 = new String(result, 0, upto, "UTF-8");</span></div> |
| <div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment"> if (!s1.equals(s2)) {</span></div> |
| <div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="comment"> // Allow a difference if s1 is not valid UTF-16</span></div> |
| <div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"> //System.out.println("DIFF: s1 len=" + s1.length());</span></div> |
| <div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> //for(int i=0;i<s1.length();i++)</span></div> |
| <div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment"> // System.out.println(" " + i + ": " + (int) s1.charAt(i));</span></div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="comment"> //System.out.println(" s2 len=" + s2.length());</span></div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment"> //for(int i=0;i<s2.length();i++)</span></div> |
| <div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="comment"> // System.out.println(" " + i + ": " + (int) s2.charAt(i));</span></div> |
| <div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment"> // If the input string was invalid, then the</span></div> |
| <div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment"> // difference is OK</span></div> |
| <div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"> if (!validUTF16String(s1))</span></div> |
| <div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> return true;</span></div> |
| <div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> return s1.equals(s2);</span></div> |
| <div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"> } catch (UnsupportedEncodingException uee) {</span></div> |
| <div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment"> public static final boolean validUTF16String(String s) {</span></div> |
| <div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment"> final int size = s.length();</span></div> |
| <div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"> for(int i=0;i<size;i++) {</span></div> |
| <div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment"> char ch = s.charAt(i);</span></div> |
| <div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="comment"> if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) {</span></div> |
| <div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="comment"> if (i < size-1) {</span></div> |
| <div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="comment"> i++;</span></div> |
| <div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="comment"> char nextCH = s.charAt(i);</span></div> |
| <div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="comment"> if (nextCH >= UNI_SUR_LOW_START && nextCH <= UNI_SUR_LOW_END) {</span></div> |
| <div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="comment"> // Valid surrogate pair</span></div> |
| <div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="comment"> } else</span></div> |
| <div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment"> // Unmatched hight surrogate</span></div> |
| <div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="comment"> } else</span></div> |
| <div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="comment"> // Unmatched hight surrogate</span></div> |
| <div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment"> } else if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END)</span></div> |
| <div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment"> // Unmatched low surrogate</span></div> |
| <div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="comment"> return true;</span></div> |
| <div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="comment"> public static final boolean validUTF16String(char[] s, int size) {</span></div> |
| <div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="comment"> for(int i=0;i<size;i++) {</span></div> |
| <div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="comment"> char ch = s[i];</span></div> |
| <div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="comment"> if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) {</span></div> |
| <div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment"> if (i < size-1) {</span></div> |
| <div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"> i++;</span></div> |
| <div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> char nextCH = s[i];</span></div> |
| <div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> if (nextCH >= UNI_SUR_LOW_START && nextCH <= UNI_SUR_LOW_END) {</span></div> |
| <div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> // Valid surrogate pair</span></div> |
| <div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment"> } else</span></div> |
| <div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment"> } else</span></div> |
| <div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment"> } else if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END)</span></div> |
| <div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="comment"> // Unmatched low surrogate</span></div> |
| <div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment"> return false;</span></div> |
| <div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment"> return true;</span></div> |
| <div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div> |
| <div class="line"><a name="l00505"></a><span class="lineno"> 505</span> }</div> |
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