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<h1>FXCharset.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span>
00002 <span class="comment">* *</span>
00003 <span class="comment">* C h a r a c t e r S e t s *</span>
00004 <span class="comment">* *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 2000,2004 by Jeroen van der Zijp. All Rights Reserved. *</span>
00007 <span class="comment">*********************************************************************************</span>
00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span>
00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span>
00010 <span class="comment">* License as published by the Free Software Foundation; either *</span>
00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span>
00012 <span class="comment">* *</span>
00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span>
00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span>
00016 <span class="comment">* Lesser General Public License for more details. *</span>
00017 <span class="comment">* *</span>
00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span>
00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span>
00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span>
00021 <span class="comment">*********************************************************************************</span>
00022 <span class="comment">* $Id: FXCharset.h,v 1.14 2004/02/08 17:17:33 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXCHARSET_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXCHARSET_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="keyword">namespace </span>FX {
00028 <span class="comment"></span>
00029 <span class="comment">/// A set of characters</span>
<a name="l00030"></a><a class="code" href="classFX_1_1FXCharset.html">00030</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXCharset {
00031 <span class="keyword">private</span>:
00032 FXuint s[8]; <span class="comment">// Because 8*32 is 256 characters</span>
00033 <span class="keyword">private</span>:
<a name="l00034"></a><a class="code" href="classFX_1_1FXCharset.html#a0">00034</a> FXCharset(FXuint a,FXuint b,FXuint c,FXuint d,FXuint e,FXuint f,FXuint g,FXuint h){
00035 s[0]=a;s[1]=b;s[2]=c;s[3]=d;s[4]=e;s[5]=f;s[6]=g;s[7]=h;
00036 }
<a name="l00037"></a><a class="code" href="classFX_1_1FXCharset.html#a1">00037</a> <span class="keyword">public</span>:
00038 <span class="comment"></span>
00039 <span class="comment"> /// Initialize to empty set</span>
00040 <span class="comment"></span> FXCharset(){clear();}
00041 <span class="comment"></span>
<a name="l00042"></a><a class="code" href="classFX_1_1FXCharset.html#a2">00042</a> <span class="comment"> /// Copy constructor</span>
00043 <span class="comment"></span> FXCharset(<span class="keyword">const</span> FXCharset& a){
00044 s[0]=a.s[0];s[1]=a.s[1];s[2]=a.s[2];s[3]=a.s[3];s[4]=a.s[4];s[5]=a.s[5];s[6]=a.s[6];s[7]=a.s[7];
00045 }
00046 <span class="comment"></span>
00047 <span class="comment"> /// Initialize with one character</span>
00048 <span class="comment"></span> FXCharset(FXchar ch){
00049 clear(); s[((FXuchar)ch)>>5] |= (1<<(ch&31));
00050 }
00051 <span class="comment"></span>
00052 <span class="comment"> /// Initialize set with set of characters</span>
<a name="l00053"></a><a class="code" href="classFX_1_1FXCharset.html#a5">00053</a> <span class="comment"></span> FXCharset(<span class="keyword">const</span> <a class="code" href="classFX_1_1FXString.html">FXString</a>& characters);
00054 <span class="comment"></span>
00055 <span class="comment"> /// Convert to characters</span>
00056 <span class="comment"></span> operator FXString();
00057 <span class="comment"></span>
<a name="l00058"></a><a class="code" href="classFX_1_1FXCharset.html#a6">00058</a> <span class="comment"> /// See if character ch is member of set</span>
00059 <span class="comment"></span> FXbool has(FXchar ch)<span class="keyword"> const </span>{
00060 <span class="keywordflow">return</span> (s[((FXuchar)ch)>>5] & (1<<(ch&31)))!=0;
00061 }
00062 <span class="comment"></span>
00063 <span class="comment"> /// Clear the set</span>
<a name="l00064"></a><a class="code" href="classFX_1_1FXCharset.html#a7">00064</a> <span class="comment"></span> FXCharset& clear(){
00065 s[0]=s[1]=s[2]=s[3]=s[4]=s[5]=s[6]=s[7]=0;
00066 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00067 }
00068 <span class="comment"></span>
00069 <span class="comment"> /// Assignment of one character</span>
<a name="l00070"></a><a class="code" href="classFX_1_1FXCharset.html#a8">00070</a> <span class="comment"></span> FXCharset& operator=(FXchar ch){
00071 clear(); s[((FXuchar)ch)>>5] |= (1<<(ch&31));
00072 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00073 }
00074 <span class="comment"></span>
00075 <span class="comment"> /// Include character ch into set</span>
<a name="l00076"></a><a class="code" href="classFX_1_1FXCharset.html#a9">00076</a> <span class="comment"></span> FXCharset& operator+=(FXchar ch){
00077 s[((FXuchar)ch)>>5] |= (1<<(ch&31));
00078 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00079 }
00080 <span class="comment"></span>
00081 <span class="comment"> /// Exclude character ch from set</span>
00082 <span class="comment"></span> FXCharset& operator-=(FXchar ch){
00083 s[((FXuchar)ch)>>5] &= ~(1<<(ch&31));
00084 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00085 }
00086 <span class="comment"></span>
00087 <span class="comment"> /// Assignment with characters</span>
00088 <span class="comment"></span> FXCharset& operator=(<span class="keyword">const</span> FXString& characters);
00089 <span class="comment"></span>
00090 <span class="comment"> /// Include characters into set</span>
<a name="l00091"></a><a class="code" href="classFX_1_1FXCharset.html#a13">00091</a> <span class="comment"></span> FXCharset& operator+=(<span class="keyword">const</span> <a class="code" href="classFX_1_1FXString.html">FXString</a>& characters);
00092 <span class="comment"></span>
00093 <span class="comment"> /// Exclude characters from set</span>
00094 <span class="comment"></span> FXCharset& operator-=(<span class="keyword">const</span> <a class="code" href="classFX_1_1FXString.html">FXString</a>& characters);
00095 <span class="comment"></span>
00096 <span class="comment"> /// Assigning one set to this one</span>
<a name="l00097"></a><a class="code" href="classFX_1_1FXCharset.html#a14">00097</a> <span class="comment"></span> FXCharset& operator=(<span class="keyword">const</span> FXCharset& a){
00098 s[0]=a.s[0];s[1]=a.s[1];s[2]=a.s[2];s[3]=a.s[3];s[4]=a.s[4];s[5]=a.s[5];s[6]=a.s[6];s[7]=a.s[7];
00099 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00100 }
00101 <span class="comment"></span>
00102 <span class="comment"> /// Union set with this one</span>
<a name="l00103"></a><a class="code" href="classFX_1_1FXCharset.html#a15">00103</a> <span class="comment"></span> FXCharset& operator+=(<span class="keyword">const</span> FXCharset& a){
00104 s[0]|=a.s[0];s[1]|=a.s[1];s[2]|=a.s[2];s[3]|=a.s[3];s[4]|=a.s[4];s[5]|=a.s[5];s[6]|=a.s[6];s[7]|=a.s[7];
00105 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00106 }
00107 <span class="comment"></span>
00108 <span class="comment"> /// Remove set from this one</span>
<a name="l00109"></a><a class="code" href="classFX_1_1FXCharset.html#a16">00109</a> <span class="comment"></span> FXCharset& operator-=(<span class="keyword">const</span> FXCharset& a){
00110 s[0]&=~a.s[0];s[1]&=~a.s[1];s[2]&=~a.s[2];s[3]&=~a.s[3];s[4]&=~a.s[4];s[5]&=~a.s[5];s[6]&=~a.s[6];s[7]&=~a.s[7];
00111 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00112 }
00113 <span class="comment"></span>
00114 <span class="comment"> /// Interset set with this one</span>
<a name="l00115"></a><a class="code" href="classFX_1_1FXCharset.html#n0">00115</a> <span class="comment"></span> FXCharset& operator*=(<span class="keyword">const</span> FXCharset& a){
00116 s[0]&=a.s[0];s[1]&=a.s[1];s[2]&=a.s[2];s[3]&=a.s[3];s[4]&=a.s[4];s[5]&=a.s[5];s[6]&=a.s[6];s[7]&=a.s[7];
00117 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00118 }
00119 <span class="comment"></span>
<a name="l00120"></a><a class="code" href="classFX_1_1FXCharset.html#n1">00120</a> <span class="comment"> /// Negate set</span>
00121 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXCharset operator-(<span class="keyword">const</span> FXCharset& a){
00122 <span class="keywordflow">return</span> FXCharset(~a.s[0],~a.s[1],~a.s[2],~a.s[3],~a.s[4],~a.s[5],~a.s[6],~a.s[7]);
00123 }
00124 <span class="comment"></span>
<a name="l00125"></a><a class="code" href="classFX_1_1FXCharset.html#n2">00125</a> <span class="comment"> /// Union sets a and b</span>
00126 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXCharset operator+(<span class="keyword">const</span> FXCharset& a,<span class="keyword">const</span> FXCharset& b){
00127 <span class="keywordflow">return</span> FXCharset(a.s[0]|b.s[0],a.s[1]|b.s[1],a.s[2]|b.s[2],a.s[3]|b.s[3],a.s[4]|b.s[4],a.s[5]|b.s[5],a.s[6]|b.s[6],a.s[7]|b.s[7]);
00128 }
00129 <span class="comment"></span>
<a name="l00130"></a><a class="code" href="classFX_1_1FXCharset.html#n3">00130</a> <span class="comment"> /// Set a less b</span>
00131 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXCharset operator-(<span class="keyword">const</span> FXCharset& a,<span class="keyword">const</span> FXCharset& b){
00132 <span class="keywordflow">return</span> FXCharset(a.s[0]&~b.s[0],a.s[1]&~b.s[1],a.s[2]&~b.s[2],a.s[3]&~b.s[3],a.s[4]&~b.s[4],a.s[5]&~b.s[5],a.s[6]&~b.s[6],a.s[7]&~b.s[7]);
00133 }
00134 <span class="comment"></span>
<a name="l00135"></a><a class="code" href="classFX_1_1FXCharset.html#n4">00135</a> <span class="comment"> /// Intersect set a and b</span>
00136 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXCharset operator*(<span class="keyword">const</span> FXCharset& a,<span class="keyword">const</span> FXCharset& b){
00137 <span class="keywordflow">return</span> FXCharset(a.s[0]&b.s[0],a.s[1]&b.s[1],a.s[2]&b.s[2],a.s[3]&b.s[3],a.s[4]&b.s[4],a.s[5]&b.s[5],a.s[6]&b.s[6],a.s[7]&b.s[7]);
00138 }
00139 <span class="comment"></span>
00140 <span class="comment"> /// Equality tests</span>
00141 <span class="comment"></span> <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator==(<span class="keyword">const</span> FXCharset& a,<span class="keyword">const</span> FXCharset& b){
00142 <span class="keywordflow">return</span> a.s[0]==b.s[0] && a.s[1]==b.s[1] && a.s[2]==b.s[2] && a.s[3]==b.s[3] && a.s[4]==b.s[4] && a.s[5]==b.s[5] && a.s[6]==b.s[6] && a.s[7]==b.s[7];
00143 }
00144
00145 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator!=(<span class="keyword">const</span> FXCharset& a,<span class="keyword">const</span> FXCharset& b){
00146 <span class="keywordflow">return</span> a.s[0]!=b.s[0] || a.s[1]!=b.s[1] || a.s[2]!=b.s[2] || a.s[3]!=b.s[3] || a.s[4]!=b.s[4] || a.s[5]!=b.s[5] || a.s[6]!=b.s[6] || a.s[7]!=b.s[7];
00147 }
00148 <span class="comment"></span>
00149 <span class="comment"> /// Save set to a stream</span>
00150 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator<<(FXStream& store,<span class="keyword">const</span> FXCharset& cs);
00151 <span class="comment"></span>
00152 <span class="comment"> /// Load set from a stream</span>
00153 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator>>(FXStream& store,FXCharset& cs);
00154
00155 };
00156
00157 }
00158
00159 <span class="preprocessor">#endif</span>
</pre></div></font>
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