beetle-psx-libretro/parallel-psx/util/util.cpp
2018-12-12 12:23:05 +01:00

74 lines
2.2 KiB
C++

/* Copyright (c) 2017-2018 Hans-Kristian Arntzen
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "util.hpp"
using namespace std;
namespace Util
{
static vector<string> split(const string &str, const char *delim, bool allow_empty)
{
if (str.empty())
return {};
vector<string> ret;
size_t start_index = 0;
size_t index = 0;
while ((index = str.find_first_of(delim, start_index)) != string::npos)
{
if (allow_empty || index > start_index)
ret.push_back(str.substr(start_index, index - start_index));
start_index = index + 1;
if (allow_empty && (index == str.size() - 1))
ret.emplace_back();
}
if (start_index < str.size())
ret.push_back(str.substr(start_index));
return ret;
}
vector<string> split(const string &str, const char *delim)
{
return split(str, delim, true);
}
vector<string> split_no_empty(const string &str, const char *delim)
{
return split(str, delim, false);
}
string strip_whitespace(const string &str)
{
string ret;
auto index = str.find_first_not_of(" \t");
if (index == string::npos)
return "";
ret = str.substr(index, string::npos);
index = ret.find_last_not_of(" \t");
if (index != string::npos)
return ret.substr(0, index + 1);
else
return ret;
}
}