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StringUtils.hh
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StringUtils.hh
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/**
* 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

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