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string_utils.h
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119 lines (95 loc) · 3.4 KB
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/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2015-2017 Baldur Karlsson
* Copyright (c) 2014 Crytek
*
* 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.
******************************************************************************/
#pragma once
#include <stdint.h>
#include <string>
#include <vector>
using std::string;
using std::wstring;
using std::vector;
std::string strlower(const std::string &str);
std::wstring strlower(const std::wstring &str);
std::string strupper(const std::string &str);
std::wstring strupper(const std::wstring &str);
std::string trim(const std::string &str);
uint32_t strhash(const char *str, uint32_t existingHash = 5381);
template <class strType>
strType basename(const strType &path)
{
strType base = path;
if(base.length() == 0)
return base;
if(base[base.length() - 1] == '/' || base[base.length() - 1] == '\\')
base.erase(base.size() - 1);
typename strType::value_type pathSep[3] = {'\\', '/', 0};
size_t offset = base.find_last_of(pathSep);
if(offset == strType::npos)
return base;
return base.substr(offset + 1);
}
template <class strType>
strType dirname(const strType &path)
{
strType base = path;
if(base.length() == 0)
return base;
if(base[base.length() - 1] == '/' || base[base.length() - 1] == '\\')
base.erase(base.size() - 1);
typename strType::value_type pathSep[3] = {'\\', '/', 0};
size_t offset = base.find_last_of(pathSep);
if(offset == strType::npos)
{
base.resize(1);
base[0] = typename strType::value_type('.');
return base;
}
return base.substr(0, offset);
}
template <class CharType>
void split(const std::basic_string<CharType> &in, vector<std::basic_string<CharType> > &out,
const CharType sep)
{
std::basic_string<CharType> work = in;
typename std::basic_string<CharType>::size_type offset = work.find(sep);
while(offset != std::basic_string<CharType>::npos)
{
out.push_back(work.substr(0, offset));
work = work.substr(offset + 1);
offset = work.find(sep);
}
if(work.size() && work[0] != 0)
out.push_back(work);
}
template <class CharType>
void merge(const vector<std::basic_string<CharType> > &in, std::basic_string<CharType> &out,
const CharType sep)
{
out = std::basic_string<CharType>();
for(size_t i = 0; i < in.size(); i++)
{
out += in[i];
out += sep;
}
}