mirror of
https://github.com/OpenMW/openmw.git
synced 2025-10-31 17:26:38 +00:00
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
|
|
Copyright (C) 2016, 2020-2021 cc9cii
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
|
|
cc9cii cc9c@iinet.net.au
|
|
|
|
*/
|
|
#include "formid.hpp"
|
|
|
|
#include <sstream>
|
|
#include <algorithm>
|
|
#include <stdexcept>
|
|
#include <cstdlib> // strtol
|
|
#include <climits> // LONG_MIN, LONG_MAX for gcc
|
|
|
|
#include <string>
|
|
|
|
namespace ESM4
|
|
{
|
|
void formIdToString(FormId formId, std::string& str)
|
|
{
|
|
char buf[8+1];
|
|
int res = snprintf(buf, 8+1, "%08X", formId);
|
|
if (res > 0 && res < 8+1)
|
|
str.assign(buf);
|
|
else
|
|
throw std::runtime_error("Possible buffer overflow while converting formId");
|
|
}
|
|
|
|
std::string formIdToString(FormId formId)
|
|
{
|
|
std::string str;
|
|
formIdToString(formId, str);
|
|
return str;
|
|
}
|
|
|
|
bool isFormId(const std::string& str, FormId *id)
|
|
{
|
|
if (str.size() != 8)
|
|
return false;
|
|
|
|
char *tmp;
|
|
errno = 0;
|
|
unsigned long val = strtol(str.c_str(), &tmp, 16);
|
|
|
|
if (tmp == str.c_str() || *tmp != '\0'
|
|
|| ((val == (unsigned long)LONG_MIN || val == (unsigned long)LONG_MAX) && errno == ERANGE))
|
|
return false;
|
|
|
|
if (id != nullptr)
|
|
*id = static_cast<FormId>(val);
|
|
|
|
return true;
|
|
}
|
|
|
|
FormId stringToFormId(const std::string& str)
|
|
{
|
|
if (str.size() != 8)
|
|
throw std::out_of_range("StringToFormId: incorrect string size");
|
|
|
|
return static_cast<FormId>(std::stoul(str, nullptr, 16));
|
|
}
|
|
}
|