gbe_fork/overlay_experimental/System/String.cpp

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2022-08-05 14:06:42 +08:00
/*
* Copyright (C) Nemirtingas
* This file is part of System.
*
* System is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* System is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with System; if not, see
* <http://www.gnu.org/licenses/>.
*/
#include "System_internals.h"
#include "String.hpp"
#include <string.h>
#include <algorithm>
#include <cctype>
namespace System {
namespace String {
namespace details {
void LeftTrim(std::string& str)
{
str.erase(str.begin(), std::find_if(str.begin(), str.end(), [](const char c)
{
return !std::isspace((unsigned char)c);
}));
}
void RightTrim(std::string& str)
{
str.erase(std::find_if(str.rbegin(), str.rend(), [](const char c)
{
return !std::isspace((unsigned char)c);
}).base(), str.end());
}
void ToUpper(char* str, size_t len)
{
while(len--)
{
unsigned char c = (unsigned char)*str;
*str++ = std::toupper(c);
}
}
void ToLower(char* str, size_t len)
{
while (len--)
{
unsigned char c = (unsigned char)*str;
*str++ = std::tolower(c);
}
}
char* CloneString(System::StringView src)
{
size_t len = src.length() + 1;
char* res = new char[len];
memcpy(res, src.data(), len);
return res;
}
size_t CopyString(System::StringView src, char* dst, size_t dst_size)
{
size_t written = 0;
if (dst != nullptr && dst_size > 0)
{
written = src.length() > dst_size ? dst_size - 1 : src.length();
memcpy(dst, src.data(), written);
dst[written] = '\0';
}
return written;
}
}// namespace details
}// namespace String
}// namespace System