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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<a href="char16ptr_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// © 2017 and later: Unicode, Inc. and others.</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// License & terms of use: http://www.unicode.org/copyright.html</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// char16ptr.h</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">// created: 2017feb28 Markus W. Scherer</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#ifndef __CHAR16PTR_H__</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#define __CHAR16PTR_H__</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include "<a class="code" href="utypes_8h.html">unicode/utypes.h</a>"</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#if U_SHOW_CPLUSPLUS_API</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <cstddef></span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span>U_NAMESPACE_BEGIN</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Use the predefined value.</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#elif (defined(__clang__) || defined(__GNUC__)) && U_PLATFORM != U_PF_BROWSER_NATIVE_CLIENT</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor"># define U_ALIASING_BARRIER(ptr) asm volatile("" : : "rm"(ptr) : "memory")</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#elif defined(U_IN_DOXYGEN)</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d"> 35</a></span><span class="preprocessor"># define U_ALIASING_BARRIER(ptr)</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="foldopen" id="foldopen00042" data-start="{" data-end="};">
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html"> 42</a></span><span class="keyword">class </span><a class="code hl_define" href="utypes_8h.html#a559955ec3bc692657c5d8b1c6de8e334">U_COMMON_API</a> <a class="code hl_class" href="classicu_1_1Char16Ptr.html">Char16Ptr</a> final {</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html#ac4ac71cdc6eb2fdccec37bbab3b79382"> 49</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1Char16Ptr.html#ac4ac71cdc6eb2fdccec37bbab3b79382">Char16Ptr</a>(<span class="keywordtype">char16_t</span> *p);</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html#a5470f362cf2e40359867ad1824c6b285"> 56</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1Char16Ptr.html#a5470f362cf2e40359867ad1824c6b285">Char16Ptr</a>(uint16_t *p);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="preprocessor">#if U_SIZEOF_WCHAR_T==2 || defined(U_IN_DOXYGEN)</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html#a6480980a08ccc4e406ea44bf3974722a"> 65</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1Char16Ptr.html#a6480980a08ccc4e406ea44bf3974722a">Char16Ptr</a>(<span class="keywordtype">wchar_t</span> *p);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html#a02fabf6135f0ebe5212fe2806b86fd20"> 72</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1Char16Ptr.html#a02fabf6135f0ebe5212fe2806b86fd20">Char16Ptr</a>(std::nullptr_t p);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html#a126f043fef26471fc7e925498aeb0f37"> 77</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1Char16Ptr.html#a126f043fef26471fc7e925498aeb0f37">~Char16Ptr</a>();</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html#adfd6d581d1f4e3e9b10e78cdf6b4e8e3"> 84</a></span> <span class="keyword">inline</span> <span class="keywordtype">char16_t</span> *<a class="code hl_function" href="classicu_1_1Char16Ptr.html#adfd6d581d1f4e3e9b10e78cdf6b4e8e3">get</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html#a75d96958cb9878520d959fa7e203f72e"> 90</a></span> <span class="keyword">inline</span> <span class="keyword">operator</span> <span class="keywordtype">char16_t</span> *() <span class="keyword">const</span> { <span class="keywordflow">return</span> get(); }</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <a class="code hl_class" href="classicu_1_1Char16Ptr.html">Char16Ptr</a>() = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">static</span> <span class="keywordtype">char16_t</span> *cast(T *t) {</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <a class="code hl_define" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(t);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keywordtype">char16_t</span> *<span class="keyword">></span>(t);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordtype">char16_t</span> *p_;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">union </span>{</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordtype">char16_t</span> *cp;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> uint16_t *up;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">wchar_t</span> *wp;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> } u_;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span>};</div>
</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span>Char16Ptr::Char16Ptr(<span class="keywordtype">char16_t</span> *p) : p_(p) {}</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>Char16Ptr::Char16Ptr(uint16_t *p) : p_(cast(p)) {}</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span><span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span>Char16Ptr::Char16Ptr(<span class="keywordtype">wchar_t</span> *p) : p_(cast(p)) {}</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span>Char16Ptr::Char16Ptr(std::nullptr_t p) : p_(p) {}</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><a class="code hl_function" href="classicu_1_1Char16Ptr.html#a126f043fef26471fc7e925498aeb0f37">Char16Ptr::~Char16Ptr</a>() {</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <a class="code hl_define" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p_);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span>}</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span><span class="keywordtype">char16_t</span> *<a class="code hl_function" href="classicu_1_1Char16Ptr.html#adfd6d581d1f4e3e9b10e78cdf6b4e8e3">Char16Ptr::get</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> p_; }</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span>Char16Ptr::Char16Ptr(<span class="keywordtype">char16_t</span> *p) { u_.cp = p; }</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span>Char16Ptr::Char16Ptr(uint16_t *p) { u_.up = p; }</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span>Char16Ptr::Char16Ptr(<span class="keywordtype">wchar_t</span> *p) { u_.wp = p; }</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>Char16Ptr::Char16Ptr(std::nullptr_t p) { u_.cp = p; }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><a class="code hl_function" href="classicu_1_1Char16Ptr.html#a126f043fef26471fc7e925498aeb0f37">Char16Ptr::~Char16Ptr</a>() {}</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><span class="keywordtype">char16_t</span> *<a class="code hl_function" href="classicu_1_1Char16Ptr.html#adfd6d581d1f4e3e9b10e78cdf6b4e8e3">Char16Ptr::get</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> u_.cp; }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="foldopen" id="foldopen00149" data-start="{" data-end="};">
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html"> 149</a></span><span class="keyword">class </span><a class="code hl_define" href="utypes_8h.html#a559955ec3bc692657c5d8b1c6de8e334">U_COMMON_API</a> <a class="code hl_class" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a> final {</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html#a0ab335e41e07f8936d55a07193ba01b4"> 156</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a0ab335e41e07f8936d55a07193ba01b4">ConstChar16Ptr</a>(<span class="keyword">const</span> <span class="keywordtype">char16_t</span> *p);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html#a2d12c4644a7a47119f37980587ca5fb6"> 163</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a2d12c4644a7a47119f37980587ca5fb6">ConstChar16Ptr</a>(<span class="keyword">const</span> uint16_t *p);</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span><span class="preprocessor">#if U_SIZEOF_WCHAR_T==2 || defined(U_IN_DOXYGEN)</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html#a9c00dddc97418e23cf7a177c9d47780e"> 172</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a9c00dddc97418e23cf7a177c9d47780e">ConstChar16Ptr</a>(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span> *p);</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html#ac34d4fcf7a8e0f7dea94eefd7bde9e3a"> 179</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#ac34d4fcf7a8e0f7dea94eefd7bde9e3a">ConstChar16Ptr</a>(<span class="keyword">const</span> std::nullptr_t p);</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html#a3ba7b7f72d58d276f484c62b4a274f89"> 185</a></span> <span class="keyword">inline</span> <a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a3ba7b7f72d58d276f484c62b4a274f89">~ConstChar16Ptr</a>();</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html#a6fc6c3efc873f26de5123d5922d5c9b4"> 192</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char16_t</span> *<a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a6fc6c3efc873f26de5123d5922d5c9b4">get</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html#ab7802c91b77a2c966d1b458419480331"> 198</a></span> <span class="keyword">inline</span> <span class="keyword">operator</span> <span class="keyword">const</span> <span class="keywordtype">char16_t</span> *() <span class="keyword">const</span> { <span class="keywordflow">return</span> get(); }</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <a class="code hl_class" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>() = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char16_t</span> *cast(<span class="keyword">const</span> T *t) {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <a class="code hl_define" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(t);</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char16_t</span> *<span class="keyword">></span>(t);</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> }</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">const</span> <span class="keywordtype">char16_t</span> *p_;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">union </span>{</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">const</span> <span class="keywordtype">char16_t</span> *cp;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">const</span> uint16_t *up;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keyword">const</span> <span class="keywordtype">wchar_t</span> *wp;</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> } u_;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span>};</div>
</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span>ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> <span class="keywordtype">char16_t</span> *p) : p_(p) {}</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span><span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span>ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> uint16_t *p) : p_(cast(p)) {}</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span>ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span> *p) : p_(cast(p)) {}</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span>ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> std::nullptr_t p) : p_(p) {}</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a3ba7b7f72d58d276f484c62b4a274f89">ConstChar16Ptr::~ConstChar16Ptr</a>() {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <a class="code hl_define" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p_);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span>}</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span><span class="keyword">const</span> <span class="keywordtype">char16_t</span> *<a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a6fc6c3efc873f26de5123d5922d5c9b4">ConstChar16Ptr::get</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> p_; }</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span>ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> <span class="keywordtype">char16_t</span> *p) { u_.cp = p; }</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span>ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> uint16_t *p) { u_.up = p; }</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span>ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span> *p) { u_.wp = p; }</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span>ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> std::nullptr_t p) { u_.cp = p; }</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span><a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a3ba7b7f72d58d276f484c62b4a274f89">ConstChar16Ptr::~ConstChar16Ptr</a>() {}</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span><span class="keyword">const</span> <span class="keywordtype">char16_t</span> *<a class="code hl_function" href="classicu_1_1ConstChar16Ptr.html#a6fc6c3efc873f26de5123d5922d5c9b4">ConstChar16Ptr::get</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> u_.cp; }</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
<div class="foldopen" id="foldopen00260" data-start="{" data-end="}">
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"><a class="line" href="namespaceicu.html#af17be27e615bdc7fb1b2efd908e9af0f"> 260</a></span><span class="keyword">inline</span> <span class="keyword">const</span> <a class="code hl_typedef" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> *<a class="code hl_function" href="namespaceicu.html#af17be27e615bdc7fb1b2efd908e9af0f">toUCharPtr</a>(<span class="keyword">const</span> <span class="keywordtype">char16_t</span> *p) {</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <a class="code hl_define" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><a class="code hl_typedef" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> *<span class="keyword">></span>(p);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span>}</div>
</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
<div class="foldopen" id="foldopen00274" data-start="{" data-end="}">
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"><a class="line" href="namespaceicu.html#a1c32803a7d31d6ad413510e888c6ba1b"> 274</a></span><span class="keyword">inline</span> <a class="code hl_typedef" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> *<a class="code hl_function" href="namespaceicu.html#af17be27e615bdc7fb1b2efd908e9af0f">toUCharPtr</a>(<span class="keywordtype">char16_t</span> *p) {</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <a class="code hl_define" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><a class="code hl_typedef" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> *<span class="keyword">></span>(p);</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span>}</div>
</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="foldopen" id="foldopen00288" data-start="{" data-end="}">
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"><a class="line" href="namespaceicu.html#a8384a9ce5df63f7bccf3ad12cadb3fc8"> 288</a></span><span class="keyword">inline</span> <span class="keyword">const</span> <a class="code hl_typedef" href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a> *<a class="code hl_function" href="namespaceicu.html#a8384a9ce5df63f7bccf3ad12cadb3fc8">toOldUCharPtr</a>(<span class="keyword">const</span> <span class="keywordtype">char16_t</span> *p) {</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <a class="code hl_define" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><a class="code hl_typedef" href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a> *<span class="keyword">></span>(p);</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span>}</div>
</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="foldopen" id="foldopen00302" data-start="{" data-end="}">
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"><a class="line" href="namespaceicu.html#a8dd5977edd144d8cc8e943c8365e3ade"> 302</a></span><span class="keyword">inline</span> <a class="code hl_typedef" href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a> *<a class="code hl_function" href="namespaceicu.html#a8384a9ce5df63f7bccf3ad12cadb3fc8">toOldUCharPtr</a>(<span class="keywordtype">char16_t</span> *p) {</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span><span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <a class="code hl_define" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><a class="code hl_typedef" href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a> *<span class="keyword">></span>(p);</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span>}</div>
</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span>U_NAMESPACE_END</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span><span class="preprocessor">#endif </span><span class="comment">/* U_SHOW_CPLUSPLUS_API */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span><span class="preprocessor">#endif </span><span class="comment">// __CHAR16PTR_H__</span></div>
<div class="ttc" id="achar16ptr_8h_html_ae84441e7e27b1de2e0f40abb4723104d"><div class="ttname"><a href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a></div><div class="ttdeci">#define U_ALIASING_BARRIER(ptr)</div><div class="ttdoc">Barrier for pointer anti-aliasing optimizations even across function boundaries.</div><div class="ttdef"><b>Definition</b> <a href="char16ptr_8h_source.html#l00035">char16ptr.h:35</a></div></div>
<div class="ttc" id="aclassicu_1_1Char16Ptr_html"><div class="ttname"><a href="classicu_1_1Char16Ptr.html">icu::Char16Ptr</a></div><div class="ttdoc">char16_t * wrapper with implicit conversion from distinct but bit-compatible pointer types.</div><div class="ttdef"><b>Definition</b> <a href="char16ptr_8h_source.html#l00042">char16ptr.h:42</a></div></div>
<div class="ttc" id="aclassicu_1_1Char16Ptr_html_a02fabf6135f0ebe5212fe2806b86fd20"><div class="ttname"><a href="classicu_1_1Char16Ptr.html#a02fabf6135f0ebe5212fe2806b86fd20">icu::Char16Ptr::Char16Ptr</a></div><div class="ttdeci">Char16Ptr(std::nullptr_t p)</div><div class="ttdoc">nullptr constructor.</div></div>
<div class="ttc" id="aclassicu_1_1Char16Ptr_html_a126f043fef26471fc7e925498aeb0f37"><div class="ttname"><a href="classicu_1_1Char16Ptr.html#a126f043fef26471fc7e925498aeb0f37">icu::Char16Ptr::~Char16Ptr</a></div><div class="ttdeci">~Char16Ptr()</div><div class="ttdoc">Destructor.</div></div>
<div class="ttc" id="aclassicu_1_1Char16Ptr_html_a5470f362cf2e40359867ad1824c6b285"><div class="ttname"><a href="classicu_1_1Char16Ptr.html#a5470f362cf2e40359867ad1824c6b285">icu::Char16Ptr::Char16Ptr</a></div><div class="ttdeci">Char16Ptr(uint16_t *p)</div><div class="ttdoc">Converts the pointer to char16_t *.</div></div>
<div class="ttc" id="aclassicu_1_1Char16Ptr_html_a6480980a08ccc4e406ea44bf3974722a"><div class="ttname"><a href="classicu_1_1Char16Ptr.html#a6480980a08ccc4e406ea44bf3974722a">icu::Char16Ptr::Char16Ptr</a></div><div class="ttdeci">Char16Ptr(wchar_t *p)</div><div class="ttdoc">Converts the pointer to char16_t *.</div></div>
<div class="ttc" id="aclassicu_1_1Char16Ptr_html_ac4ac71cdc6eb2fdccec37bbab3b79382"><div class="ttname"><a href="classicu_1_1Char16Ptr.html#ac4ac71cdc6eb2fdccec37bbab3b79382">icu::Char16Ptr::Char16Ptr</a></div><div class="ttdeci">Char16Ptr(char16_t *p)</div><div class="ttdoc">Copies the pointer.</div></div>
<div class="ttc" id="aclassicu_1_1Char16Ptr_html_adfd6d581d1f4e3e9b10e78cdf6b4e8e3"><div class="ttname"><a href="classicu_1_1Char16Ptr.html#adfd6d581d1f4e3e9b10e78cdf6b4e8e3">icu::Char16Ptr::get</a></div><div class="ttdeci">char16_t * get() const</div><div class="ttdoc">Pointer access.</div></div>
<div class="ttc" id="aclassicu_1_1ConstChar16Ptr_html"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html">icu::ConstChar16Ptr</a></div><div class="ttdoc">const char16_t * wrapper with implicit conversion from distinct but bit-compatible pointer types.</div><div class="ttdef"><b>Definition</b> <a href="char16ptr_8h_source.html#l00149">char16ptr.h:149</a></div></div>
<div class="ttc" id="aclassicu_1_1ConstChar16Ptr_html_a0ab335e41e07f8936d55a07193ba01b4"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html#a0ab335e41e07f8936d55a07193ba01b4">icu::ConstChar16Ptr::ConstChar16Ptr</a></div><div class="ttdeci">ConstChar16Ptr(const char16_t *p)</div><div class="ttdoc">Copies the pointer.</div></div>
<div class="ttc" id="aclassicu_1_1ConstChar16Ptr_html_a2d12c4644a7a47119f37980587ca5fb6"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html#a2d12c4644a7a47119f37980587ca5fb6">icu::ConstChar16Ptr::ConstChar16Ptr</a></div><div class="ttdeci">ConstChar16Ptr(const uint16_t *p)</div><div class="ttdoc">Converts the pointer to char16_t *.</div></div>
<div class="ttc" id="aclassicu_1_1ConstChar16Ptr_html_a3ba7b7f72d58d276f484c62b4a274f89"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html#a3ba7b7f72d58d276f484c62b4a274f89">icu::ConstChar16Ptr::~ConstChar16Ptr</a></div><div class="ttdeci">~ConstChar16Ptr()</div><div class="ttdoc">Destructor.</div></div>
<div class="ttc" id="aclassicu_1_1ConstChar16Ptr_html_a6fc6c3efc873f26de5123d5922d5c9b4"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html#a6fc6c3efc873f26de5123d5922d5c9b4">icu::ConstChar16Ptr::get</a></div><div class="ttdeci">const char16_t * get() const</div><div class="ttdoc">Pointer access.</div></div>
<div class="ttc" id="aclassicu_1_1ConstChar16Ptr_html_a9c00dddc97418e23cf7a177c9d47780e"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html#a9c00dddc97418e23cf7a177c9d47780e">icu::ConstChar16Ptr::ConstChar16Ptr</a></div><div class="ttdeci">ConstChar16Ptr(const wchar_t *p)</div><div class="ttdoc">Converts the pointer to char16_t *.</div></div>
<div class="ttc" id="aclassicu_1_1ConstChar16Ptr_html_ac34d4fcf7a8e0f7dea94eefd7bde9e3a"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html#ac34d4fcf7a8e0f7dea94eefd7bde9e3a">icu::ConstChar16Ptr::ConstChar16Ptr</a></div><div class="ttdeci">ConstChar16Ptr(const std::nullptr_t p)</div><div class="ttdoc">nullptr constructor.</div></div>
<div class="ttc" id="anamespaceicu_html_a8384a9ce5df63f7bccf3ad12cadb3fc8"><div class="ttname"><a href="namespaceicu.html#a8384a9ce5df63f7bccf3ad12cadb3fc8">icu::toOldUCharPtr</a></div><div class="ttdeci">const OldUChar * toOldUCharPtr(const char16_t *p)</div><div class="ttdoc">Converts from const char16_t * to const OldUChar *.</div><div class="ttdef"><b>Definition</b> <a href="char16ptr_8h_source.html#l00288">char16ptr.h:288</a></div></div>
<div class="ttc" id="anamespaceicu_html_af17be27e615bdc7fb1b2efd908e9af0f"><div class="ttname"><a href="namespaceicu.html#af17be27e615bdc7fb1b2efd908e9af0f">icu::toUCharPtr</a></div><div class="ttdeci">const UChar * toUCharPtr(const char16_t *p)</div><div class="ttdoc">Converts from const char16_t * to const UChar *.</div><div class="ttdef"><b>Definition</b> <a href="char16ptr_8h_source.html#l00260">char16ptr.h:260</a></div></div>
<div class="ttc" id="aumachine_8h_html_a6bb9fad572d65b305324ef288165e2ac"><div class="ttname"><a href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a></div><div class="ttdeci">char16_t UChar</div><div class="ttdoc">The base type for UTF-16 code units and pointers.</div><div class="ttdef"><b>Definition</b> <a href="umachine_8h_source.html#l00378">umachine.h:378</a></div></div>
<div class="ttc" id="aumachine_8h_html_a85b92f7aa77a10e854b4cbff55a7a88c"><div class="ttname"><a href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a></div><div class="ttdeci">uint16_t OldUChar</div><div class="ttdoc">Default ICU 58 definition of UChar.</div><div class="ttdef"><b>Definition</b> <a href="umachine_8h_source.html#l00407">umachine.h:407</a></div></div>
<div class="ttc" id="autypes_8h_html"><div class="ttname"><a href="utypes_8h.html">utypes.h</a></div><div class="ttdoc">Basic definitions for ICU, for both C and C++ APIs.</div></div>
<div class="ttc" id="autypes_8h_html_a559955ec3bc692657c5d8b1c6de8e334"><div class="ttname"><a href="utypes_8h.html#a559955ec3bc692657c5d8b1c6de8e334">U_COMMON_API</a></div><div class="ttdeci">#define U_COMMON_API</div><div class="ttdoc">Set to export library symbols from inside the common library, and to import them from outside.</div><div class="ttdef"><b>Definition</b> <a href="utypes_8h_source.html#l00300">utypes.h:300</a></div></div>
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