mirror of
https://github.com/VCMP-SqMod/SqMod.git
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129 lines
3.3 KiB
C++
129 lines
3.3 KiB
C++
/************************************************************************************
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*
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* D++ - A Lightweight C++ Library for Discord
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*
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* stringops.h taken from TriviaBot
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*
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* Copyright 2004 Craig Edwards <support@sporks.gg>
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*
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* Core based on Sporks, the Learning Discord Bot, Craig Edwards (c) 2019.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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************************************************************************************/
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#pragma once
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#include <string>
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#include <iomanip>
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#include <locale>
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#include <algorithm>
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#include <sstream>
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#include <iostream>
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/**
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* @brief Convert a string to lowercase using tolower()
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*
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* @tparam T type of string
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* @param s String to lowercase
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* @return std::basic_string<T> lowercased string
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*/
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template <typename T> std::basic_string<T> lowercase(const std::basic_string<T>& s)
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{
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std::basic_string<T> s2 = s;
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std::transform(s2.begin(), s2.end(), s2.begin(), tolower);
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return std::move(s2);
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}
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/**
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* @brief Convert a string to uppercase using toupper()
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*
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* @tparam T type of string
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* @param s String to uppercase
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* @return std::basic_string<T> uppercased string
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*/
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template <typename T> std::basic_string<T> uppercase(const std::basic_string<T>& s)
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{
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std::basic_string<T> s2 = s;
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std::transform(s2.begin(), s2.end(), s2.begin(), toupper);
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return std::move(s2);
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}
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/**
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* @brief trim from end of string (right)
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*
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* @param s String to trim
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* @return std::string trimmed string
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*/
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inline std::string rtrim(std::string s)
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{
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s.erase(s.find_last_not_of(" \t\n\r\f\v") + 1);
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return s;
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}
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/**
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* @brief trim from beginning of string (left)
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*
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* @param s string to trim
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* @return std::string trimmed string
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*/
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inline std::string ltrim(std::string s)
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{
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s.erase(0, s.find_first_not_of(" \t\n\r\f\v"));
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return s;
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}
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/**
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* @brief Trim from both ends of string (right then left)
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*
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* @param s string to trim
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* @return std::string trimmed string
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*/
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inline std::string trim(std::string s)
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{
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return ltrim(rtrim(s));
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}
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/**
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* @brief Add commas to a string (or dots) based on current locale server-side
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*
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* @tparam T type of numeric value
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* @param value Value
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* @return std::string number with commas added
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*/
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template<class T> std::string Comma(T value)
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{
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std::stringstream ss;
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ss.imbue(std::locale(""));
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ss << std::fixed << value;
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return ss.str();
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}
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/**
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* @brief Convert any value from a string to another type using stringstream.
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* The optional second parameter indicates the format of the input string,
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* e.g. std::dec for decimal, std::hex for hex, std::oct for octal.
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*
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* @tparam T Type to convert to
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* @param s String to convert from
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* @param f Numeric base, e.g. `std::dec` or `std::hex`
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* @return T Returned numeric value
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*/
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template <typename T> T from_string(const std::string &s, std::ios_base & (*f)(std::ios_base&))
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{
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T t;
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std::istringstream iss(s);
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iss >> f, iss >> t;
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return t;
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}
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