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<h1>coreutil.h</h1><a href="coreutil_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (C) 2002-2009 Nikolaus Gebhardt</span>
<a name="l00002"></a>00002 <span class="comment">// This file is part of the "Irrlicht Engine".</span>
<a name="l00003"></a>00003 <span class="comment">// For conditions of distribution and use, see copyright notice in irrlicht.h</span>
<a name="l00004"></a>00004 
<a name="l00005"></a>00005 <span class="preprocessor">#ifndef __IRR_CORE_UTIL_H_INCLUDED__</span>
<a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define __IRR_CORE_UTIL_H_INCLUDED__</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span>
<a name="l00008"></a>00008 <span class="preprocessor">#include "<a class="code" href="irr_string_8h.html">irrString.h</a>"</span>
<a name="l00009"></a>00009 <span class="preprocessor">#include "<a class="code" href="path_8h.html">path.h</a>"</span>
<a name="l00010"></a>00010 
<a name="l00011"></a>00011 <span class="keyword">namespace </span>irr
<a name="l00012"></a>00012 {
<a name="l00013"></a>00013 <span class="keyword">namespace </span>core
<a name="l00014"></a>00014 {
<a name="l00015"></a>00015 
<a name="l00020"></a>00020 <span class="comment">// ----------- some basic quite often used string functions -----------------</span>
<a name="l00021"></a>00021 
<a name="l00023"></a><a class="code" href="namespaceirr_1_1core.html#b214253f8925de2ed42a7d671d02cf7f">00023</a> <span class="keyword">inline</span> <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> <a class="code" href="namespaceirr_1_1core.html#b214253f8925de2ed42a7d671d02cf7f" title="search if a filename has a proper extension">isFileExtension</a> (    <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; filename,
<a name="l00024"></a>00024                                                                 <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; ext0,
<a name="l00025"></a>00025                                                                 <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; ext1,
<a name="l00026"></a>00026                                                                 <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; ext2)
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028         <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> extPos = filename.<a class="code" href="classirr_1_1core_1_1string.html#000258d8ce7a49ba10d20bfb8d9d3ad8" title="finds last occurrence of character in string">findLast</a> ( <span class="charliteral">'.'</span> );
<a name="l00029"></a>00029         <span class="keywordflow">if</span> ( extPos &lt; 0 )
<a name="l00030"></a>00030                 <span class="keywordflow">return</span> 0;
<a name="l00031"></a>00031 
<a name="l00032"></a>00032         extPos += 1;
<a name="l00033"></a>00033         <span class="keywordflow">if</span> ( filename.<a class="code" href="classirr_1_1core_1_1string.html#8a9ab2af9b331ddc961a11767688004d" title="Compares the strings ignoring case.">equals_substring_ignore_case</a> ( ext0, extPos ) ) <span class="keywordflow">return</span> 1;
<a name="l00034"></a>00034         <span class="keywordflow">if</span> ( filename.<a class="code" href="classirr_1_1core_1_1string.html#8a9ab2af9b331ddc961a11767688004d" title="Compares the strings ignoring case.">equals_substring_ignore_case</a> ( ext1, extPos ) ) <span class="keywordflow">return</span> 2;
<a name="l00035"></a>00035         <span class="keywordflow">if</span> ( filename.<a class="code" href="classirr_1_1core_1_1string.html#8a9ab2af9b331ddc961a11767688004d" title="Compares the strings ignoring case.">equals_substring_ignore_case</a> ( ext2, extPos ) ) <span class="keywordflow">return</span> 3;
<a name="l00036"></a>00036         <span class="keywordflow">return</span> 0;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038 
<a name="l00040"></a><a class="code" href="namespaceirr_1_1core.html#7a0c7be24d78c02b334c3ae5a18005a1">00040</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceirr_1_1core.html#7a0c7be24d78c02b334c3ae5a18005a1" title="search if a filename has a proper extension">hasFileExtension</a> (  <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; filename,
<a name="l00041"></a>00041                                                                 <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; ext0,
<a name="l00042"></a>00042                                                                 <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; ext1 = <span class="stringliteral">""</span>,
<a name="l00043"></a>00043                                                                 <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; ext2 = <span class="stringliteral">""</span>)
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045         <span class="keywordflow">return</span> <a class="code" href="namespaceirr_1_1core.html#b214253f8925de2ed42a7d671d02cf7f" title="search if a filename has a proper extension">isFileExtension</a> ( filename, ext0, ext1, ext2 ) &gt; 0;
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047 
<a name="l00049"></a><a class="code" href="namespaceirr_1_1core.html#62855628b4159f43e3d264d63832b6e1">00049</a> <span class="keyword">inline</span> <a class="code" href="classirr_1_1core_1_1string.html">stringc</a>&amp; <a class="code" href="namespaceirr_1_1core.html#62855628b4159f43e3d264d63832b6e1" title="cut the filename extension from a source string and stores in the dest string">cutFilenameExtension</a> ( <a class="code" href="classirr_1_1core_1_1string.html">stringc</a> &amp;dest, <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">stringc</a> &amp;source )
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051         <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> endPos = source.<a class="code" href="classirr_1_1core_1_1string.html#000258d8ce7a49ba10d20bfb8d9d3ad8" title="finds last occurrence of character in string">findLast</a> ( <span class="charliteral">'.'</span> );
<a name="l00052"></a>00052         dest = source.<a class="code" href="classirr_1_1core_1_1string.html#a57f8a00eddb12a7284159c951890f4b" title="Returns a substring.">subString</a> ( 0, endPos &lt; 0 ? source.<a class="code" href="classirr_1_1core_1_1string.html#062f23675d892012c7e8d5d4e92ecd00" title="Returns length of string.">size</a> () : endPos );
<a name="l00053"></a>00053         <span class="keywordflow">return</span> dest;
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 
<a name="l00057"></a>00057 <span class="keyword">inline</span> <a class="code" href="namespaceirr_1_1core.html#ef83fafbb1b36fcce44c07c9be23a7f2" title="Typedef for wide character strings.">stringw</a>&amp; <a class="code" href="namespaceirr_1_1core.html#62855628b4159f43e3d264d63832b6e1" title="cut the filename extension from a source string and stores in the dest string">cutFilenameExtension</a> ( <a class="code" href="namespaceirr_1_1core.html#ef83fafbb1b36fcce44c07c9be23a7f2" title="Typedef for wide character strings.">stringw</a> &amp;dest, <span class="keyword">const</span> <a class="code" href="namespaceirr_1_1core.html#ef83fafbb1b36fcce44c07c9be23a7f2" title="Typedef for wide character strings.">stringw</a> &amp;source )
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059         <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> endPos = source.findLast ( <span class="charliteral">'.'</span> );
<a name="l00060"></a>00060         dest = source.subString ( 0, endPos &lt; 0 ? source.size () : endPos );
<a name="l00061"></a>00061         <span class="keywordflow">return</span> dest;
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063 
<a name="l00065"></a><a class="code" href="namespaceirr_1_1core.html#651915bc0fdf4cba0154ba84fb150569">00065</a> <span class="keyword">inline</span> <a class="code" href="classirr_1_1core_1_1string.html">stringc</a>&amp; <a class="code" href="namespaceirr_1_1core.html#651915bc0fdf4cba0154ba84fb150569" title="get the filename extension from a string">getFileNameExtension</a> ( <a class="code" href="classirr_1_1core_1_1string.html">stringc</a> &amp;dest, <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">stringc</a> &amp;source )
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067         <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> endPos = source.<a class="code" href="classirr_1_1core_1_1string.html#000258d8ce7a49ba10d20bfb8d9d3ad8" title="finds last occurrence of character in string">findLast</a> ( <span class="charliteral">'.'</span> );
<a name="l00068"></a>00068         <span class="keywordflow">if</span> ( endPos &lt; 0 )
<a name="l00069"></a>00069                 dest = <span class="stringliteral">""</span>;
<a name="l00070"></a>00070         <span class="keywordflow">else</span>
<a name="l00071"></a>00071                 dest = source.<a class="code" href="classirr_1_1core_1_1string.html#a57f8a00eddb12a7284159c951890f4b" title="Returns a substring.">subString</a> ( endPos, source.<a class="code" href="classirr_1_1core_1_1string.html#062f23675d892012c7e8d5d4e92ecd00" title="Returns length of string.">size</a> () );
<a name="l00072"></a>00072         <span class="keywordflow">return</span> dest;
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 
<a name="l00076"></a><a class="code" href="namespaceirr_1_1core.html#e1cc66c353bdae2778348d6fd0d3cea6">00076</a> <span class="keyword">inline</span> <a class="code" href="classirr_1_1core_1_1string.html">core::stringw</a>&amp; <a class="code" href="namespaceirr_1_1core.html#e1cc66c353bdae2778348d6fd0d3cea6" title="delete path from filename">deletePathFromFilename</a>(<a class="code" href="classirr_1_1core_1_1string.html">core::stringw</a>&amp; filename)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078         <span class="comment">// delete path from filename</span>
<a name="l00079"></a>00079         <span class="keyword">const</span> <span class="keywordtype">wchar_t</span> *s = filename.<a class="code" href="classirr_1_1core_1_1string.html#4abad222c478c108096ee9297870068c" title="Returns character string.">c_str</a>();
<a name="l00080"></a>00080         <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* p = s + filename.<a class="code" href="classirr_1_1core_1_1string.html#062f23675d892012c7e8d5d4e92ecd00" title="Returns length of string.">size</a>();
<a name="l00081"></a>00081 
<a name="l00082"></a>00082         <span class="comment">// search for path separator or beginning</span>
<a name="l00083"></a>00083         <span class="keywordflow">while</span> ( *p != <span class="charliteral">'/'</span> &amp;&amp; *p != <span class="charliteral">'\\'</span> &amp;&amp; p != s )
<a name="l00084"></a>00084                 p--;
<a name="l00085"></a>00085 
<a name="l00086"></a>00086         <span class="keywordflow">if</span> ( p != s )
<a name="l00087"></a>00087         {
<a name="l00088"></a>00088                 ++p;
<a name="l00089"></a>00089                 filename = p;
<a name="l00090"></a>00090         }
<a name="l00091"></a>00091         <span class="keywordflow">return</span> filename;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093 
<a name="l00095"></a>00095 <span class="keyword">inline</span> <a class="code" href="classirr_1_1core_1_1string.html">core::stringc</a>&amp; <a class="code" href="namespaceirr_1_1core.html#e1cc66c353bdae2778348d6fd0d3cea6" title="delete path from filename">deletePathFromFilename</a>(<a class="code" href="classirr_1_1core_1_1string.html">core::stringc</a>&amp; filename)
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097         <span class="comment">// delete path from filename</span>
<a name="l00098"></a>00098         <span class="keyword">const</span> <a class="code" href="namespaceirr.html#9395eaea339bcb546b319e9c96bf7410" title="8 bit character variable.">c8</a> *s = filename.<a class="code" href="classirr_1_1core_1_1string.html#4abad222c478c108096ee9297870068c" title="Returns character string.">c_str</a>();
<a name="l00099"></a>00099         <span class="keyword">const</span> <a class="code" href="namespaceirr.html#9395eaea339bcb546b319e9c96bf7410" title="8 bit character variable.">c8</a>* p = s + filename.<a class="code" href="classirr_1_1core_1_1string.html#062f23675d892012c7e8d5d4e92ecd00" title="Returns length of string.">size</a>();
<a name="l00100"></a>00100 
<a name="l00101"></a>00101         <span class="comment">// search for path separator or beginning</span>
<a name="l00102"></a>00102         <span class="keywordflow">while</span> ( *p != <span class="charliteral">'/'</span> &amp;&amp; *p != <span class="charliteral">'\\'</span> &amp;&amp; p != s )
<a name="l00103"></a>00103                 p--;
<a name="l00104"></a>00104 
<a name="l00105"></a>00105         <span class="keywordflow">if</span> ( p != s )
<a name="l00106"></a>00106         {
<a name="l00107"></a>00107                 ++p;
<a name="l00108"></a>00108                 filename = p;
<a name="l00109"></a>00109         }
<a name="l00110"></a>00110         <span class="keywordflow">return</span> filename;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 
<a name="l00114"></a><a class="code" href="namespaceirr_1_1core.html#9215d20e34c12cb6c1522366389bfcce">00114</a> <span class="keyword">inline</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; <a class="code" href="namespaceirr_1_1core.html#9215d20e34c12cb6c1522366389bfcce" title="trim paths">deletePathFromPath</a>(<a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; filename, <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> pathCount)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116         <span class="comment">// delete path from filename</span>
<a name="l00117"></a>00117         <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> i = filename.<a class="code" href="classirr_1_1core_1_1string.html#062f23675d892012c7e8d5d4e92ecd00" title="Returns length of string.">size</a>();
<a name="l00118"></a>00118 
<a name="l00119"></a>00119         <span class="comment">// search for path separator or beginning</span>
<a name="l00120"></a>00120         <span class="keywordflow">while</span> ( i )
<a name="l00121"></a>00121         {
<a name="l00122"></a>00122                 <span class="keywordflow">if</span> ( filename[i] == <span class="charliteral">'/'</span> || filename[i] == <span class="charliteral">'\\'</span> )
<a name="l00123"></a>00123                 {
<a name="l00124"></a>00124                         <span class="keywordflow">if</span> ( --pathCount &lt;= 0 )
<a name="l00125"></a>00125                                 <span class="keywordflow">break</span>;
<a name="l00126"></a>00126                 }
<a name="l00127"></a>00127                 i -= 1;
<a name="l00128"></a>00128         }
<a name="l00129"></a>00129 
<a name="l00130"></a>00130         <span class="keywordflow">if</span> ( i )
<a name="l00131"></a>00131         {
<a name="l00132"></a>00132                 filename [ i + 1 ] = 0;
<a name="l00133"></a>00133                 filename.<a class="code" href="classirr_1_1core_1_1string.html#24cf2d676ba5f259872d8d5bed141a45" title="verify the existing string.">validate</a>();
<a name="l00134"></a>00134         }
<a name="l00135"></a>00135         <span class="keywordflow">return</span> filename;
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137 
<a name="l00140"></a><a class="code" href="namespaceirr_1_1core.html#fc9926e02ab9727cd5998ab2ffa9fa32">00140</a> <span class="keyword">inline</span> <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> <a class="code" href="namespaceirr_1_1core.html#fc9926e02ab9727cd5998ab2ffa9fa32">isInSameDirectory</a> ( <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; <a class="code" href="namespaceirr_1_1io.html#b1bdc45edb3f94d8319c02bc0f840ee1" title="Type used for all file system related strings.">path</a>, <span class="keyword">const</span> <a class="code" href="classirr_1_1core_1_1string.html">io::path</a>&amp; file )
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142         <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> subA = 0;
<a name="l00143"></a>00143         <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> subB = 0;
<a name="l00144"></a>00144         <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> pos;
<a name="l00145"></a>00145 
<a name="l00146"></a>00146         <span class="keywordflow">if</span> ( path.<a class="code" href="classirr_1_1core_1_1string.html#062f23675d892012c7e8d5d4e92ecd00" title="Returns length of string.">size</a>() &amp;&amp; !path.<a class="code" href="classirr_1_1core_1_1string.html#a887d4df44214e2ab046581808319770" title="compares the first n characters of the strings">equalsn</a> ( file, path.<a class="code" href="classirr_1_1core_1_1string.html#062f23675d892012c7e8d5d4e92ecd00" title="Returns length of string.">size</a>() ) )
<a name="l00147"></a>00147                 <span class="keywordflow">return</span> -1;
<a name="l00148"></a>00148 
<a name="l00149"></a>00149         pos = 0;
<a name="l00150"></a>00150         <span class="keywordflow">while</span> ( (pos = path.<a class="code" href="classirr_1_1core_1_1string.html#6d82f74b061b248f01133f34b94841d9" title="finds next occurrence of character in string">findNext</a> ( <span class="charliteral">'/'</span>, pos )) &gt;= 0 )
<a name="l00151"></a>00151         {
<a name="l00152"></a>00152                 subA += 1;
<a name="l00153"></a>00153                 pos += 1;
<a name="l00154"></a>00154         }
<a name="l00155"></a>00155 
<a name="l00156"></a>00156         pos = 0;
<a name="l00157"></a>00157         <span class="keywordflow">while</span> ( (pos = file.<a class="code" href="classirr_1_1core_1_1string.html#6d82f74b061b248f01133f34b94841d9" title="finds next occurrence of character in string">findNext</a> ( <span class="charliteral">'/'</span>, pos )) &gt;= 0 )
<a name="l00158"></a>00158         {
<a name="l00159"></a>00159                 subB += 1;
<a name="l00160"></a>00160                 pos += 1;
<a name="l00161"></a>00161         }
<a name="l00162"></a>00162 
<a name="l00163"></a>00163         <span class="keywordflow">return</span> subB - subA;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 
<a name="l00166"></a>00166 
<a name="l00168"></a>00168 <span class="preprocessor">#undef isdigit</span>
<a name="l00169"></a>00169 <span class="preprocessor"></span><span class="preprocessor">#undef isspace</span>
<a name="l00170"></a>00170 <span class="preprocessor"></span><span class="preprocessor">#undef isupper</span>
<a name="l00171"></a><a class="code" href="namespaceirr_1_1core.html#c7f1fc1c7eb3f8291b8a044214823070">00171</a> <span class="preprocessor"></span><span class="keyword">inline</span> <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> <a class="code" href="namespaceirr_1_1core.html#c7f1fc1c7eb3f8291b8a044214823070" title="some standard function ( to remove dependencies )">isdigit</a>(<a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> c) { <span class="keywordflow">return</span> c &gt;= <span class="charliteral">'0'</span> &amp;&amp; c &lt;= <span class="charliteral">'9'</span>; }
<a name="l00172"></a><a class="code" href="namespaceirr_1_1core.html#ca7b6fe1985b526a8519885bbbd670bb">00172</a> <span class="keyword">inline</span> <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> <a class="code" href="namespaceirr_1_1core.html#ca7b6fe1985b526a8519885bbbd670bb">isspace</a>(<a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> c) { <span class="keywordflow">return</span> c == <span class="charliteral">' '</span> || c == <span class="charliteral">'\f'</span> || c == <span class="charliteral">'\n'</span> || c == <span class="charliteral">'\r'</span> || c == <span class="charliteral">'\t'</span> || c == <span class="charliteral">'\v'</span>; }
<a name="l00173"></a><a class="code" href="namespaceirr_1_1core.html#5d1328379d825a783e8ac832480701b7">00173</a> <span class="keyword">inline</span> <a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> <a class="code" href="namespaceirr_1_1core.html#5d1328379d825a783e8ac832480701b7">isupper</a>(<a class="code" href="namespaceirr.html#c66849b7a6ed16e30ebede579f9b47c6" title="32 bit signed variable.">s32</a> c) { <span class="keywordflow">return</span> c &gt;= <span class="charliteral">'A'</span> &amp;&amp; c &lt;= <span class="charliteral">'Z'</span>; }
<a name="l00174"></a>00174 
<a name="l00175"></a>00175 
<a name="l00176"></a>00176 } <span class="comment">// end namespace core</span>
<a name="l00177"></a>00177 } <span class="comment">// end namespace irr</span>
<a name="l00178"></a>00178 
<a name="l00179"></a>00179 <span class="preprocessor">#endif</span>
<a name="l00180"></a>00180 <span class="preprocessor"></span>
</pre></div></div>
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