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<a href="LESwaps_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * (C) Copyright IBM Corp. 1998-2011 - All Rights Reserved</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#ifndef __LESWAPS_H</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __LESWAPS_H</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="LETypes_8h.html">LETypes.h</a>&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<a class="code" href="uversion_8h.html#a7d9374e037299886d4192b763b4c5e8b">U_NAMESPACE_BEGIN</a></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="LESwaps_8h.html#ad8428b09ef55071a177a40090b02583d">   25</a></span>&#160;<span class="preprocessor">#define SWAPW(value) LESwaps::swapWord((le_uint16)(value))</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="LESwaps_8h.html#ab399b3d20f67865ecd8b5db950ada400">   33</a></span>&#160;<span class="preprocessor">#define SWAPL(value) LESwaps::swapLong((le_uint32)(value))</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classicu_1_1LESwaps.html">   44</a></span>&#160;<span class="keyword">class </span><a class="code" href="utypes_8h.html#a623f81640d6092d9141a1d4d24ccaffc">U_LAYOUT_API</a> <a class="code" href="classicu_1_1LESwaps.html">LESwaps</a> <span class="comment">/* not : public UObject because all methods are static */</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classicu_1_1LESwaps.html#a5931456fbfdc990cd76438d2deb17570">   57</a></span>&#160;    <span class="keyword">static</span> <a class="code" href="LETypes_8h.html#a4d16715b42bdd9be2fa3b6ca600641ce">le_uint16</a> <a class="code" href="classicu_1_1LESwaps.html#a5931456fbfdc990cd76438d2deb17570">swapWord</a>(<a class="code" href="LETypes_8h.html#a4d16715b42bdd9be2fa3b6ca600641ce">le_uint16</a> value)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    {</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#if (defined(U_IS_BIG_ENDIAN) &amp;&amp; U_IS_BIG_ENDIAN) || \</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">    (defined(BYTE_ORDER) &amp;&amp; defined(BIG_ENDIAN) &amp;&amp; (BYTE_ORDER == BIG_ENDIAN)) || \</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">    defined(__BIG_ENDIAN__)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor"></span>        <span class="comment">// Fastpath when we know that the platform is big-endian.</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        <span class="keywordflow">return</span> value;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor"></span>        <span class="comment">// Reads a big-endian value on any platform.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        <span class="keyword">const</span> <a class="code" href="LETypes_8h.html#a9fbc3ea31db88ab0f10a595c864d385f">le_uint8</a> *p = <span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><a class="code" href="LETypes_8h.html#a9fbc3ea31db88ab0f10a595c864d385f">le_uint8</a> *<span class="keyword">&gt;</span>(&amp;value);</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        <span class="keywordflow">return</span> (<a class="code" href="LETypes_8h.html#a4d16715b42bdd9be2fa3b6ca600641ce">le_uint16</a>)((p[0] &lt;&lt; 8) | p[1]);</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor"></span>    };</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classicu_1_1LESwaps.html#a0d6c0cafb26ee77dd98f80ad19da0853">   81</a></span>&#160;    <span class="keyword">static</span> <a class="code" href="LETypes_8h.html#a8ed46f4fc717cf0a94de62efe109ecae">le_uint32</a> <a class="code" href="classicu_1_1LESwaps.html#a0d6c0cafb26ee77dd98f80ad19da0853">swapLong</a>(<a class="code" href="LETypes_8h.html#a8ed46f4fc717cf0a94de62efe109ecae">le_uint32</a> value)</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    {</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor">#if (defined(U_IS_BIG_ENDIAN) &amp;&amp; U_IS_BIG_ENDIAN) || \</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="preprocessor">    (defined(BYTE_ORDER) &amp;&amp; defined(BIG_ENDIAN) &amp;&amp; (BYTE_ORDER == BIG_ENDIAN)) || \</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="preprocessor">    defined(__BIG_ENDIAN__)</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="preprocessor"></span>        <span class="comment">// Fastpath when we know that the platform is big-endian.</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        <span class="keywordflow">return</span> value;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="preprocessor"></span>        <span class="comment">// Reads a big-endian value on any platform.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keyword">const</span> <a class="code" href="LETypes_8h.html#a9fbc3ea31db88ab0f10a595c864d385f">le_uint8</a> *p = <span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><a class="code" href="LETypes_8h.html#a9fbc3ea31db88ab0f10a595c864d385f">le_uint8</a> *<span class="keyword">&gt;</span>(&amp;value);</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        <span class="keywordflow">return</span> (<a class="code" href="LETypes_8h.html#a8ed46f4fc717cf0a94de62efe109ecae">le_uint32</a>)((p[0] &lt;&lt; 24) | (p[1] &lt;&lt; 16) | (p[2] &lt;&lt; 8) | p[3]);</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor"></span>    };</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <a class="code" href="classicu_1_1LESwaps.html">LESwaps</a>() {} <span class="comment">// private - forbid instantiation</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;};</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<a class="code" href="uversion_8h.html#a3da1f00f3b02976ac53c014a3e4c0933">U_NAMESPACE_END</a></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="LETypes_8h_html_a8ed46f4fc717cf0a94de62efe109ecae"><div class="ttname"><a href="LETypes_8h.html#a8ed46f4fc717cf0a94de62efe109ecae">le_uint32</a></div><div class="ttdeci">uint32_t le_uint32</div><div class="ttdoc">A type used for unsigned, 32-bit integers. </div><div class="ttdef"><b>Definition:</b> <a href="LETypes_8h_source.html#l00041">LETypes.h:41</a></div></div>
<div class="ttc" id="LETypes_8h_html_a4d16715b42bdd9be2fa3b6ca600641ce"><div class="ttname"><a href="LETypes_8h.html#a4d16715b42bdd9be2fa3b6ca600641ce">le_uint16</a></div><div class="ttdeci">uint16_t le_uint16</div><div class="ttdoc">A type used for unsigned, 16-bit integers. </div><div class="ttdef"><b>Definition:</b> <a href="LETypes_8h_source.html#l00055">LETypes.h:55</a></div></div>
<div class="ttc" id="utypes_8h_html_a623f81640d6092d9141a1d4d24ccaffc"><div class="ttname"><a href="utypes_8h.html#a623f81640d6092d9141a1d4d24ccaffc">U_LAYOUT_API</a></div><div class="ttdeci">#define U_LAYOUT_API</div><div class="ttdoc">Set to export library symbols from inside the layout engine library, and to import them from outside...</div><div class="ttdef"><b>Definition:</b> <a href="utypes_8h_source.html#l00359">utypes.h:359</a></div></div>
<div class="ttc" id="classicu_1_1LESwaps_html"><div class="ttname"><a href="classicu_1_1LESwaps.html">icu::LESwaps</a></div><div class="ttdoc">This class is used to access data which stored in big endian order regardless of the conventions of t...</div><div class="ttdef"><b>Definition:</b> <a href="LESwaps_8h_source.html#l00044">LESwaps.h:44</a></div></div>
<div class="ttc" id="LETypes_8h_html"><div class="ttname"><a href="LETypes_8h.html">LETypes.h</a></div><div class="ttdoc">C API: Basic definitions for the ICU LayoutEngine. </div></div>
<div class="ttc" id="classicu_1_1LESwaps_html_a5931456fbfdc990cd76438d2deb17570"><div class="ttname"><a href="classicu_1_1LESwaps.html#a5931456fbfdc990cd76438d2deb17570">icu::LESwaps::swapWord</a></div><div class="ttdeci">static le_uint16 swapWord(le_uint16 value)</div><div class="ttdoc">Reads a big-endian 16-bit word and returns a native-endian value. </div><div class="ttdef"><b>Definition:</b> <a href="LESwaps_8h_source.html#l00057">LESwaps.h:57</a></div></div>
<div class="ttc" id="uversion_8h_html_a7d9374e037299886d4192b763b4c5e8b"><div class="ttname"><a href="uversion_8h.html#a7d9374e037299886d4192b763b4c5e8b">U_NAMESPACE_BEGIN</a></div><div class="ttdeci">#define U_NAMESPACE_BEGIN</div><div class="ttdoc">This is used to begin a declaration of a public ICU C++ API. </div><div class="ttdef"><b>Definition:</b> <a href="uversion_8h_source.html#l00129">uversion.h:129</a></div></div>
<div class="ttc" id="classicu_1_1LESwaps_html_a0d6c0cafb26ee77dd98f80ad19da0853"><div class="ttname"><a href="classicu_1_1LESwaps.html#a0d6c0cafb26ee77dd98f80ad19da0853">icu::LESwaps::swapLong</a></div><div class="ttdeci">static le_uint32 swapLong(le_uint32 value)</div><div class="ttdoc">Reads a big-endian 32-bit word and returns a native-endian value. </div><div class="ttdef"><b>Definition:</b> <a href="LESwaps_8h_source.html#l00081">LESwaps.h:81</a></div></div>
<div class="ttc" id="LETypes_8h_html_a9fbc3ea31db88ab0f10a595c864d385f"><div class="ttname"><a href="LETypes_8h.html#a9fbc3ea31db88ab0f10a595c864d385f">le_uint8</a></div><div class="ttdeci">uint8_t le_uint8</div><div class="ttdoc">A type used for unsigned, 8-bit integers. </div><div class="ttdef"><b>Definition:</b> <a href="LETypes_8h_source.html#l00069">LETypes.h:69</a></div></div>
<div class="ttc" id="uversion_8h_html_a3da1f00f3b02976ac53c014a3e4c0933"><div class="ttname"><a href="uversion_8h.html#a3da1f00f3b02976ac53c014a3e4c0933">U_NAMESPACE_END</a></div><div class="ttdeci">#define U_NAMESPACE_END</div><div class="ttdoc">This is used to end a declaration of a public ICU C++ API. </div><div class="ttdef"><b>Definition:</b> <a href="uversion_8h_source.html#l00130">uversion.h:130</a></div></div>
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