StringUtils.hh
上传用户:quxuerui
上传日期:2018-01-08
资源大小:41811k
文件大小:2k
- /**
- * 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 HADOOP_STRING_UTILS_HH
- #define HADOOP_STRING_UTILS_HH
- #include <stdint.h>
- #include <string>
- #include <vector>
- namespace HadoopUtils {
- /**
- * Convert an integer to a string.
- */
- std::string toString(int32_t x);
- /**
- * Convert a string to an integer.
- * @throws Error if the string is not a valid integer
- */
- int32_t toInt(const std::string& val);
- /**
- * Convert the string to a float.
- * @throws Error if the string is not a valid float
- */
- float toFloat(const std::string& val);
- /**
- * Convert the string to a boolean.
- * @throws Error if the string is not a valid boolean value
- */
- bool toBool(const std::string& val);
- /**
- * Get the current time in the number of milliseconds since 1970.
- */
- uint64_t getCurrentMillis();
- /**
- * Split a string into "words". Multiple deliminators are treated as a single
- * word break, so no zero-length words are returned.
- * @param str the string to split
- * @param separator a list of characters that divide words
- */
- std::vector<std::string> splitString(const std::string& str,
- const char* separator);
- /**
- * Quote a string to avoid "", non-printable characters, and the
- * deliminators.
- * @param str the string to quote
- * @param deliminators the set of characters to always quote
- */
- std::string quoteString(const std::string& str,
- const char* deliminators);
- /**
- * Unquote the given string to return the original string.
- * @param str the string to unquote
- */
- std::string unquoteString(const std::string& str);
- }
- #endif