------------------------------------------------------------------------------
| 1113 | |
| 1114 | //------------------------------------------------------------------------------ |
| 1115 | int vtkFunctionParser::OperatorWithinVariable(int idx) |
| 1116 | { |
| 1117 | char* tmpString = nullptr; |
| 1118 | |
| 1119 | for (int i = 0, max = this->GetNumberOfScalarVariables(); i < max; i++) |
| 1120 | { |
| 1121 | int end = 0; |
| 1122 | |
| 1123 | if (strchr(this->ScalarVariableNames[i].c_str(), this->Function[idx]) != nullptr) |
| 1124 | { |
| 1125 | if ((tmpString = strstr(this->Function, this->ScalarVariableNames[i].c_str()))) |
| 1126 | { |
| 1127 | do |
| 1128 | { |
| 1129 | if (tmpString) |
| 1130 | { |
| 1131 | int start = static_cast<int>(tmpString - this->Function); |
| 1132 | end = start + static_cast<int>(this->ScalarVariableNames[i].size()); |
| 1133 | |
| 1134 | // the variable being investigated does contain an operator (at idx) |
| 1135 | if (start <= idx && idx <= end) |
| 1136 | return 1; |
| 1137 | |
| 1138 | // just in case of one or even more occurrences of the |
| 1139 | // variable name (being investigated) preceding "idx" in this->Function[] |
| 1140 | // As suggested by 7islands, a greedy search is used here |
| 1141 | if (end <= idx) // to save strstr() whenever possible |
| 1142 | tmpString = strstr(this->Function + end, this->ScalarVariableNames[i].c_str()); |
| 1143 | } |
| 1144 | else |
| 1145 | break; |
| 1146 | } while (end <= idx); |
| 1147 | } |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | for (int i = 0, max = this->GetNumberOfVectorVariables(); i < max; i++) |
| 1152 | { |
| 1153 | int end = 0; |
| 1154 | |
| 1155 | if (strchr(this->VectorVariableNames[i].c_str(), this->Function[idx]) != nullptr) |
| 1156 | { |
| 1157 | if ((tmpString = strstr(this->Function, this->VectorVariableNames[i].c_str()))) |
| 1158 | { |
| 1159 | do |
| 1160 | { |
| 1161 | if (tmpString) |
| 1162 | { |
| 1163 | int start = static_cast<int>(tmpString - this->Function); |
| 1164 | end = start + static_cast<int>(this->VectorVariableNames[i].size()); |
| 1165 | |
| 1166 | // the variable being investigated does contain an operator (at idx) |
| 1167 | if (start <= idx && idx <= end) |
| 1168 | return 1; |
| 1169 | |
| 1170 | // just in case of one or even more occurrences of the |
| 1171 | // variable name (being investigated) preceding "idx" in this->Function[] |
| 1172 | // As suggested by 7islands, a greedy search is used here |
no test coverage detected