PBRT
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00001 00002 // 00003 // Copyright (c) 2002, Industrial Light & Magic, a division of Lucas 00004 // Digital Ltd. LLC 00005 // 00006 // All rights reserved. 00007 // 00008 // Redistribution and use in source and binary forms, with or without 00009 // modification, are permitted provided that the following conditions are 00010 // met: 00011 // * Redistributions of source code must retain the above copyright 00012 // notice, this list of conditions and the following disclaimer. 00013 // * Redistributions in binary form must reproduce the above 00014 // copyright notice, this list of conditions and the following disclaimer 00015 // in the documentation and/or other materials provided with the 00016 // distribution. 00017 // * Neither the name of Industrial Light & Magic nor the names of 00018 // its contributors may be used to endorse or promote products derived 00019 // from this software without specific prior written permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00024 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00025 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00027 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00028 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00029 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00030 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00031 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00034 00035 00036 00037 #ifndef INCLUDED_IMF_NAME_H 00038 #define INCLUDED_IMF_NAME_H 00039 00040 //----------------------------------------------------------------------------- 00041 // 00042 // class ImfName -- a zero-terminated string 00043 // with a fixed, small maximum length 00044 // 00045 //----------------------------------------------------------------------------- 00046 00047 #include <string.h> 00048 00049 namespace Imf { 00050 00051 00052 class Name 00053 { 00054 public: 00055 00056 //------------- 00057 // Constructors 00058 //------------- 00059 00060 Name (); 00061 Name (const char text[]); 00062 00063 00064 //-------------------- 00065 // Assignment operator 00066 //-------------------- 00067 00068 Name & operator = (const char text[]); 00069 00070 00071 //--------------------- 00072 // Access to the string 00073 //--------------------- 00074 00075 const char * text () const {return _text;} 00076 const char * operator * () const {return _text;} 00077 00078 //--------------- 00079 // Maximum length 00080 //--------------- 00081 00082 static const int SIZE = 256; 00083 static const int MAX_LENGTH = SIZE - 1; 00084 00085 private: 00086 00087 char _text[SIZE]; 00088 }; 00089 00090 00091 bool operator == (const Name &x, const Name &y); 00092 bool operator != (const Name &x, const Name &y); 00093 bool operator < (const Name &x, const Name &y); 00094 00095 00096 //----------------- 00097 // Inline functions 00098 //----------------- 00099 00100 inline Name & 00101 Name::operator = (const char text[]) 00102 { 00103 strncpy (_text, text, MAX_LENGTH); 00104 return *this; 00105 } 00106 00107 00108 inline 00109 Name::Name () 00110 { 00111 _text[0] = 0; 00112 } 00113 00114 00115 inline 00116 Name::Name (const char text[]) 00117 { 00118 *this = text; 00119 _text [MAX_LENGTH] = 0; 00120 } 00121 00122 00123 inline bool 00124 operator == (const Name &x, const Name &y) 00125 { 00126 return strcmp (*x, *y) == 0; 00127 } 00128 00129 00130 inline bool 00131 operator != (const Name &x, const Name &y) 00132 { 00133 return !(x == y); 00134 } 00135 00136 00137 inline bool 00138 operator < (const Name &x, const Name &y) 00139 { 00140 return strcmp (*x, *y) < 0; 00141 } 00142 00143 00144 } // namespace IMF 00145 00146 #endif