1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include "strUtils.h" 17 18 using namespace std; 19 20 21 std::string getNextToken(const std::string & str, size_t pos, size_t * last, const std::string & delim) 22 { 23 if (str.size() == 0 || pos >= str.size()) return ""; 24 25 pos = str.find_first_not_of(WHITESPACE, pos); 26 if (pos == std::string::npos) return ""; 27 28 *last = str.find_first_of(delim, pos); 29 if (*last == std::string::npos) *last = str.size(); 30 std::string retval = str.substr(pos, *last - pos); 31 retval = trim(retval); 32 return retval; 33 } 34 35 36 std::string trim(const string & str) 37 { 38 string result; 39 string::size_type start = str.find_first_not_of(WHITESPACE, 0); 40 string::size_type end = str.find_last_not_of(WHITESPACE); 41 if (start == string::npos || end == string::npos) { 42 result = string(""); 43 } else { 44 result = str.substr(start, end - start + 1); 45 } 46 return result; 47 } 48 49 50
