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51 lines
1019 B
C++
51 lines
1019 B
C++
/*
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* arithmetic.h
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*
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* Copyright (c) 2019 hikyuu.org
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*
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* Created on: 2019-7-15
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* Author: fasiondog
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*/
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#pragma once
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#ifndef HIKYUU_UTILITIES_ARITHMETIC_H
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#define HIKYUU_UTILITIES_ARITHMETIC_H
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#include <cctype>
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#include <string>
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#include <algorithm>
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namespace hku {
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/**
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* @ingroup Utilities
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* @{
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*/
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/** 转小写字符串 */
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void to_lower(std::string& s);
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inline void to_lower(std::string& s) {
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std::transform(s.begin(), s.end(), s.begin(), [](unsigned char c) { return std::tolower(c); });
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}
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/** 转大写字符串 */
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void to_upper(std::string& s);
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inline void to_upper(std::string& s) {
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std::transform(s.begin(), s.end(), s.begin(), [](unsigned char c) { return std::toupper(c); });
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}
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/** 删除字符串两端空格 */
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void trim(std::string& s);
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inline void trim(std::string& s) {
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if (s.empty()) {
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return;
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}
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s.erase(0, s.find_first_not_of(" "));
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s.erase(s.find_last_not_of(" ") + 1);
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}
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/** @} */
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} /* namespace hku */
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#endif /* HIKYUU_UTILITIES_ARITHMETIC_H */ |