| /******************************************************************** |
| * 2014 - |
| * open source under Apache License Version 2.0 |
| ********************************************************************/ |
| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef _HDFS_LIBHDFS3_COMMON_STRINGUTIL_H_ |
| #define _HDFS_LIBHDFS3_COMMON_STRINGUTIL_H_ |
| |
| #include <string.h> |
| #include <string> |
| #include <vector> |
| #include <cctype> |
| |
| namespace Hdfs { |
| namespace Internal { |
| |
| static inline std::vector<std::string> StringSplit(const std::string & str, |
| const char * sep) { |
| char * token, *lasts = NULL; |
| std::string s = str; |
| std::vector<std::string> retval; |
| token = strtok_r(&s[0], sep, &lasts); |
| |
| while (token) { |
| retval.push_back(token); |
| token = strtok_r(NULL, sep, &lasts); |
| } |
| |
| return retval; |
| } |
| |
| static inline std::string StringTrim(const std::string & str) { |
| int start = 0, end = str.length(); |
| |
| for (; start < static_cast<int>(str.length()); ++start) { |
| if (!std::isspace(str[start])) { |
| break; |
| } |
| } |
| |
| for (; end > 0; --end) { |
| if (!std::isspace(str[end - 1])) { |
| break; |
| } |
| } |
| |
| return str.substr(start, end - start); |
| } |
| |
| static inline bool StringReplace(std::string& str, const std::string& from, |
| const std::string& to) { |
| size_t start_pos = str.find(from); |
| |
| if (start_pos == std::string::npos) { |
| return false; |
| } |
| |
| str.replace(start_pos, from.length(), to); |
| return true; |
| } |
| |
| static inline bool StringReplaceAll(std::string& str, const std::string& from, |
| const std::string& to) { |
| |
| if (from.empty()) { |
| return false; |
| } |
| |
| bool retval = false; |
| size_t start_pos = 0; |
| |
| while ((start_pos = str.find(from, start_pos)) != std::string::npos) { |
| str.replace(start_pos, from.length(), to); |
| start_pos += to.length(); |
| retval = true; |
| } |
| |
| return retval; |
| } |
| } |
| } |
| #endif /* _HDFS_LIBHDFS3_COMMON_STRINGUTIL_H_ */ |