Visualization Library v1.0.3A lightweight C++ OpenGL middleware for 2D/3D graphics |
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00001 /**************************************************************************************/ 00002 /* */ 00003 /* Visualization Library */ 00004 /* http://visualizationlibrary.org */ 00005 /* */ 00006 /* Copyright (c) 2005-2010, Michele Bosi */ 00007 /* All rights reserved. */ 00008 /* */ 00009 /* Redistribution and use in source and binary forms, with or without modification, */ 00010 /* are permitted provided that the following conditions are met: */ 00011 /* */ 00012 /* - Redistributions of source code must retain the above copyright notice, this */ 00013 /* list of conditions and the following disclaimer. */ 00014 /* */ 00015 /* - Redistributions in binary form must reproduce the above copyright notice, this */ 00016 /* list of conditions and the following disclaimer in the documentation and/or */ 00017 /* other materials provided with the distribution. */ 00018 /* */ 00019 /* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */ 00020 /* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */ 00021 /* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ 00022 /* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */ 00023 /* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */ 00024 /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */ 00025 /* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */ 00026 /* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ 00027 /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */ 00028 /* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 00029 /* */ 00030 /**************************************************************************************/ 00031 00032 #ifndef TextStream_INCLUDE_ONCE 00033 #define TextStream_INCLUDE_ONCE 00034 00035 #include <vlCore/BufferedStream.hpp> 00036 00037 namespace vl 00038 { 00039 00040 //----------------------------------------------------------------------------- 00041 // TextStream 00042 //----------------------------------------------------------------------------- 00046 class VLCORE_EXPORT TextStream: public BufferedStream<unsigned char, 128*1024> 00047 { 00048 VL_INSTRUMENT_CLASS(vl::TextStream, VL_GROUP(BufferedStream<unsigned char, 128*1024>)) 00049 00050 public: 00051 TextStream(VirtualFile* file=NULL) 00052 { 00053 setInputFile(file); 00054 } 00055 ~TextStream() 00056 { 00057 if(inputFile()) 00058 inputFile()->close(); 00059 } 00060 00061 void ungetLine(const std::string& utf8) 00062 { 00063 ungetToken('\n'); 00064 for(size_t i=utf8.size(); i--;) 00065 ungetToken(utf8[i]); 00066 } 00067 bool readLine(std::string& utf8) 00068 { 00069 utf8.clear(); 00070 if ( !inputFile()->isOpen() ) 00071 if(!inputFile()->open(OM_ReadOnly)) 00072 return false; 00073 00074 unsigned char ch = 0; 00075 bool ok = false; 00076 while( readToken(&ch) ) 00077 { 00078 ok = true; 00079 if ( ch == '\r' || ch == '\n' ) 00080 { 00081 readToken(&ch); 00082 if ( ch != '\r' && ch != '\n' ) 00083 ungetToken(ch); 00084 break; 00085 } 00086 else 00087 utf8 += ch; 00088 } 00089 return ok; 00090 } 00091 00093 bool readLine(String& line) 00094 { 00095 line.clear(); 00096 std::vector<unsigned char> utf8; 00097 00098 if ( !inputFile()->isOpen() ) 00099 if(!inputFile()->open(OM_ReadOnly)) 00100 return false; 00101 00102 unsigned char ch = 0; 00103 bool ok = false; 00104 while( readToken(&ch) ) 00105 { 00106 ok = true; 00107 if ( ch == '\r' || ch == '\n' ) 00108 { 00109 readToken(&ch); 00110 if ( ch != '\r' && ch != '\n' ) 00111 ungetToken(ch); 00112 break; 00113 } 00114 else 00115 utf8.push_back(ch); 00116 } 00117 if(!utf8.empty()) 00118 line = String::fromUTF8((char*)&utf8[0], (int)utf8.size()); 00119 return ok; 00120 } 00121 00123 bool readLineCR(String& line) 00124 { 00125 line.clear(); 00126 std::vector<unsigned char> utf8; 00127 00128 if ( !inputFile()->isOpen() ) 00129 if(!inputFile()->open(OM_ReadOnly)) 00130 return false; 00131 00132 unsigned char ch = 0; 00133 while( readToken(&ch) ) 00134 { 00135 if ( ch == '\r' ) 00136 break; 00137 else 00138 utf8.push_back(ch); 00139 } 00140 if(!utf8.empty()) 00141 line = String::fromUTF8((char*)&utf8[0], (int)utf8.size()); 00142 return !line.empty(); 00143 } 00144 00146 bool readLineLF(String& line) 00147 { 00148 line.clear(); 00149 std::vector<unsigned char> utf8; 00150 00151 if ( !inputFile()->isOpen() ) 00152 if(!inputFile()->open(OM_ReadOnly)) 00153 return false; 00154 00155 unsigned char ch = 0; 00156 while( readToken(&ch) ) 00157 { 00158 if ( ch == '\n' ) 00159 break; 00160 else 00161 utf8.push_back(ch); 00162 } 00163 if(!utf8.empty()) 00164 line = String::fromUTF8((char*)&utf8[0], (int)utf8.size()); 00165 return !line.empty(); 00166 } 00167 00168 bool readInt(int& i, bool hex=false); 00169 00170 bool readDouble(double& d); 00171 00172 bool readString(String& token) 00173 { 00174 token.clear(); 00175 unsigned char ch = 0; 00176 while ( readToken(&ch) ) 00177 { 00178 if ( ch == '\r' || ch == '\n' || ch == '\t' || ch == ' ' ) 00179 { 00180 if ( token.empty() ) 00181 continue; 00182 else 00183 return true; 00184 } 00185 else 00186 token += ch; 00187 } 00188 return !token.empty(); 00189 } 00190 00191 bool readStdString(std::string& token) 00192 { 00193 token.clear(); 00194 unsigned char ch = 0; 00195 while ( readToken(&ch) ) 00196 { 00197 if ( ch == '\r' || ch == '\n' || ch == '\t' || ch == ' ' ) 00198 { 00199 if ( token.empty() ) 00200 continue; 00201 else 00202 return true; 00203 } 00204 else 00205 token += ch; 00206 } 00207 return !token.empty(); 00208 } 00209 00210 bool readQuotedString(String& token) 00211 { 00212 bool open = false; 00213 token.clear(); 00214 unsigned char ch = 0; 00215 while ( readToken(&ch) ) 00216 { 00217 // cannot be a multiline quote 00218 if ( ch == '\r' || ch == '\n' || (!open && ( ch == '\t' || ch == ' ')) ) 00219 { 00220 if ( token.empty() ) 00221 continue; 00222 else 00223 return true; 00224 } 00225 else 00226 token += ch; 00227 00228 if (ch == '\"' || ch == '\'') 00229 open = !open; 00230 } 00231 return !token.empty(); 00232 } 00233 00234 protected: 00235 String mTmpStr; 00236 std::string mTmpStdStr; 00237 }; 00238 //----------------------------------------------------------------------------- 00239 } 00240 00241 #endif