1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef COSV_STR_TYPES_HXX 25 #define COSV_STR_TYPES_HXX 26 27 28 namespace csv 29 { 30 31 /** Provides some generally used constants. 32 */ 33 struct str 34 { 35 public: 36 typedef ::size_t position; 37 typedef ::size_t size; 38 39 enum constants 40 { 41 npos = position(-1), 42 maxsize = size(-1) 43 }; 44 45 enum insert_mode 46 { 47 overwrite = 0, 48 insert = 1 49 }; 50 }; 51 52 53 /** Is used for string comparisons. 54 55 @collab String 56 @collab various csv::compare(...) functions 57 */ 58 class CharOrder_Table 59 { 60 public: 61 /** @precond 62 Parameter i_pCharWeightsArray 63 must have size of 256. 64 */ 65 CharOrder_Table( 66 const int * i_pCharWeightsArray ); 67 68 /** @return the weight of the char i_c. 69 @precond 70 Even with unusual implementations, where char has more than 8 bit, 71 there must be true: 0 <= i_c < 256. 72 */ 73 int operator()( 74 char i_c ) const; 75 private: 76 int cWeights[256]; 77 }; 78 79 80 // IMPLEMENTATION 81 82 inline int operator ()(char i_c) const83CharOrder_Table::operator()( char i_c ) const 84 { return cWeights[ UINT8(i_c) ]; } 85 86 87 88 } // namespace csv 89 90 #endif 91