77 lines
23 KiB
HTML
77 lines
23 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.8.11"/>
|
|
<title>GEOS: util.h Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">GEOS
|
|
 <span id="projectnumber">3.9.1dev</span>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.11 -->
|
|
<div id="navrow1" class="tabs">
|
|
<ul class="tablist">
|
|
<li><a href="index.html"><span>Main Page</span></a></li>
|
|
<li><a href="pages.html"><span>Related Pages</span></a></li>
|
|
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
|
|
<li><a href="annotated.html"><span>Classes</span></a></li>
|
|
<li class="current"><a href="files.html"><span>Files</span></a></li>
|
|
</ul>
|
|
</div>
|
|
<div id="navrow2" class="tabs2">
|
|
<ul class="tablist">
|
|
<li><a href="files.html"><span>File List</span></a></li>
|
|
<li><a href="globals.html"><span>File Members</span></a></li>
|
|
</ul>
|
|
</div>
|
|
<div id="nav-path" class="navpath">
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_0bc14b2fb119a11b6a0f32f4d350db61.html">geos</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">util.h</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="util_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> <span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</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"> * This is free software; you can redistribute and/or modify it under</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * by the Free Software Foundation.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * See the COPYING file for more information.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> **********************************************************************</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Utility header to retain a bit of backward compatibility.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Try to avoid including this header directly.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef GEOS_UTIL_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define GEOS_UTIL_H</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">//#include <geos/util/AssertionFailedException.h></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="GEOSException_8h.html">geos/util/GEOSException.h</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="IllegalArgumentException_8h.html">geos/util/IllegalArgumentException.h</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="TopologyException_8h.html">geos/util/TopologyException.h</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">//#include <geos/util/UnsupportedOperationException.h></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">//#include <geos/util/CoordinateArrayFilter.h></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">//#include <geos/util/UniqueCoordinateArrayFilter.h></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="GeometricShapeFactory_8h.html">geos/util/GeometricShapeFactory.h</a>></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">//#include <geos/util/math.h></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Private macros definition</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">//</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span><<span class="keyword">class</span> T></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="namespacegeos.html#adf0602c66307e651e7f07888eaab72f6"> 44</a></span> <a class="code" href="namespacegeos.html#adf0602c66307e651e7f07888eaab72f6">ignore_unused_variable_warning</a>(T <span class="keyword">const</span> &) {}</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="namespacegeos_1_1detail.html"> 46</a></span> <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#if __cplusplus >= 201402L</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">using</span> <a class="code" href="namespacegeos_1_1detail.html#afb16c5179e4d6788e2bca60ae59a3a9e">std::make_unique</a>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// Backport of std::make_unique to C++11</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// Source: https://stackoverflow.com/a/19472607</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">template</span><<span class="keyword">class</span> T></div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structgeos_1_1detail_1_1__Unique__if.html"> 53</a></span> <span class="keyword">struct </span><a class="code" href="structgeos_1_1detail_1_1__Unique__if.html">_Unique_if</a> {</div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="structgeos_1_1detail_1_1__Unique__if.html#a3695d3c2735f54f2f447adc54ddeb948"> 54</a></span>  <span class="keyword">typedef</span> std::unique_ptr<T> <a class="code" href="structgeos_1_1detail_1_1__Unique__if.html#a3695d3c2735f54f2f447adc54ddeb948">_Single_object</a>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> };</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">template</span><<span class="keyword">class</span> T></div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structgeos_1_1detail_1_1__Unique__if_3_01T[]_4.html"> 58</a></span> <span class="keyword">struct </span><a class="code" href="structgeos_1_1detail_1_1__Unique__if.html">_Unique_if</a><T[]> {</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structgeos_1_1detail_1_1__Unique__if_3_01T[]_4.html#ad07a7981bb024660cb378063025e1571"> 59</a></span>  <span class="keyword">typedef</span> std::unique_ptr<T[]> <a class="code" href="structgeos_1_1detail_1_1__Unique__if_3_01T[]_4.html#ad07a7981bb024660cb378063025e1571">_Unknown_bound</a>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> };</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">template</span><<span class="keyword">class</span> T, <span class="keywordtype">size_t</span> N></div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structgeos_1_1detail_1_1__Unique__if_3_01T[N]_4.html"> 63</a></span> <span class="keyword">struct </span><a class="code" href="structgeos_1_1detail_1_1__Unique__if.html">_Unique_if</a><T[N]> {</div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="structgeos_1_1detail_1_1__Unique__if_3_01T[N]_4.html#a6ee67a86b8109c6c9243e608fa4149bb"> 64</a></span>  <span class="keyword">typedef</span> <span class="keywordtype">void</span> <a class="code" href="structgeos_1_1detail_1_1__Unique__if_3_01T[N]_4.html#a6ee67a86b8109c6c9243e608fa4149bb">_Known_bound</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> };</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">template</span><<span class="keyword">class </span>T, <span class="keyword">class</span>... Args></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">typename</span> <a class="code" href="structgeos_1_1detail_1_1__Unique__if.html#a3695d3c2735f54f2f447adc54ddeb948">_Unique_if<T>::_Single_object</a></div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="namespacegeos_1_1detail.html#a7a2cb2a80b17093cb7793c36c1393415"> 69</a></span> <a class="code" href="namespacegeos_1_1detail.html#a7a2cb2a80b17093cb7793c36c1393415">make_unique</a>(Args &&... args) {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> std::unique_ptr<T>(<span class="keyword">new</span> T(std::forward<Args>(args)...));</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">template</span><<span class="keyword">class</span> T></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">typename</span> <a class="code" href="structgeos_1_1detail_1_1__Unique__if.html">_Unique_if<T>::_Unknown_bound</a></div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="namespacegeos_1_1detail.html#a1abce10c1aaf1ac658b94ab05fecae45"> 75</a></span> <a class="code" href="namespacegeos_1_1detail.html#a7a2cb2a80b17093cb7793c36c1393415">make_unique</a>(<span class="keywordtype">size_t</span> n) {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> std::remove_extent<T>::type U;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> std::unique_ptr<T>(<span class="keyword">new</span> U[n]());</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">template</span><<span class="keyword">class </span>T, <span class="keyword">class</span>... Args></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">typename</span> <a class="code" href="structgeos_1_1detail_1_1__Unique__if.html">_Unique_if<T>::_Known_bound</a></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <a class="code" href="namespacegeos_1_1detail.html#a7a2cb2a80b17093cb7793c36c1393415">make_unique</a>(Args &&...) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="namespacegeos_1_1detail.html#abd8701223ea43d14b49f9995a0e2f970"> 95</a></span> <span class="keyword">template</span><<span class="keyword">typename</span> To, <span class="keyword">typename</span> From> <span class="keyword">inline</span> To <a class="code" href="namespacegeos_1_1detail.html#abd8701223ea43d14b49f9995a0e2f970">down_cast</a>(From* f)</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  static_assert(</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  (std::is_base_of<From,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">typename</span> std::remove_pointer<To>::type>::value),</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="stringliteral">"target type not derived from source type"</span>);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#if GEOS_DEBUG</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  assert(f == <span class="keyword">nullptr</span> || dynamic_cast<To>(f) != <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>To<span class="keyword">></span>(f);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> } <span class="comment">// namespace geos</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#endif // GEOS_UTIL_H</span></div><div class="ttc" id="structgeos_1_1detail_1_1__Unique__if_html_a3695d3c2735f54f2f447adc54ddeb948"><div class="ttname"><a href="structgeos_1_1detail_1_1__Unique__if.html#a3695d3c2735f54f2f447adc54ddeb948">geos::detail::_Unique_if::_Single_object</a></div><div class="ttdeci">std::unique_ptr< T > _Single_object</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00054">util.h:54</a></div></div>
|
|
<div class="ttc" id="TopologyException_8h_html"><div class="ttname"><a href="TopologyException_8h.html">TopologyException.h</a></div></div>
|
|
<div class="ttc" id="GEOSException_8h_html"><div class="ttname"><a href="GEOSException_8h.html">GEOSException.h</a></div></div>
|
|
<div class="ttc" id="structgeos_1_1detail_1_1__Unique__if_3_01T[]_4_html_ad07a7981bb024660cb378063025e1571"><div class="ttname"><a href="structgeos_1_1detail_1_1__Unique__if_3_01T[]_4.html#ad07a7981bb024660cb378063025e1571">geos::detail::_Unique_if< T[]>::_Unknown_bound</a></div><div class="ttdeci">std::unique_ptr< T[]> _Unknown_bound</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00059">util.h:59</a></div></div>
|
|
<div class="ttc" id="structgeos_1_1detail_1_1__Unique__if_html"><div class="ttname"><a href="structgeos_1_1detail_1_1__Unique__if.html">geos::detail::_Unique_if</a></div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00053">util.h:53</a></div></div>
|
|
<div class="ttc" id="namespacegeos_1_1detail_html_a7a2cb2a80b17093cb7793c36c1393415"><div class="ttname"><a href="namespacegeos_1_1detail.html#a7a2cb2a80b17093cb7793c36c1393415">geos::detail::make_unique</a></div><div class="ttdeci">_Unique_if< T >::_Single_object make_unique(Args &&...args)</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00069">util.h:69</a></div></div>
|
|
<div class="ttc" id="IllegalArgumentException_8h_html"><div class="ttname"><a href="IllegalArgumentException_8h.html">IllegalArgumentException.h</a></div></div>
|
|
<div class="ttc" id="GeometricShapeFactory_8h_html"><div class="ttname"><a href="GeometricShapeFactory_8h.html">GeometricShapeFactory.h</a></div></div>
|
|
<div class="ttc" id="namespacegeos_html"><div class="ttname"><a href="namespacegeos.html">geos</a></div><div class="ttdoc">Basic namespace for all GEOS functionalities. </div><div class="ttdef"><b>Definition:</b> <a href="IndexedNestedRingTester_8h_source.html#l00026">IndexedNestedRingTester.h:26</a></div></div>
|
|
<div class="ttc" id="namespacegeos_html_adf0602c66307e651e7f07888eaab72f6"><div class="ttname"><a href="namespacegeos.html#adf0602c66307e651e7f07888eaab72f6">geos::ignore_unused_variable_warning</a></div><div class="ttdeci">void ignore_unused_variable_warning(T const &)</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00044">util.h:44</a></div></div>
|
|
<div class="ttc" id="namespacegeos_1_1detail_html_afb16c5179e4d6788e2bca60ae59a3a9e"><div class="ttname"><a href="namespacegeos_1_1detail.html#afb16c5179e4d6788e2bca60ae59a3a9e">geos::detail::make_unique</a></div><div class="ttdeci">_Unique_if< T >::_Known_bound make_unique(Args &&...)=delete</div></div>
|
|
<div class="ttc" id="namespacegeos_1_1detail_html_abd8701223ea43d14b49f9995a0e2f970"><div class="ttname"><a href="namespacegeos_1_1detail.html#abd8701223ea43d14b49f9995a0e2f970">geos::detail::down_cast</a></div><div class="ttdeci">To down_cast(From *f)</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00095">util.h:95</a></div></div>
|
|
<div class="ttc" id="structgeos_1_1detail_1_1__Unique__if_3_01T[N]_4_html_a6ee67a86b8109c6c9243e608fa4149bb"><div class="ttname"><a href="structgeos_1_1detail_1_1__Unique__if_3_01T[N]_4.html#a6ee67a86b8109c6c9243e608fa4149bb">geos::detail::_Unique_if< T[N]>::_Known_bound</a></div><div class="ttdeci">void _Known_bound</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00064">util.h:64</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer"><small>
|
|
Generated by  <a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
|
</a> 1.8.11
|
|
</small></address>
|
|
</body>
|
|
</html>
|