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/************************************************************************
*
* Copyright (C) 2009-2023 IRCAD France
* Copyright (C) 2012-2017 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight 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.
*
* Sight 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 Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include <memory>
#include <string>
#include <typeinfo>
#include <utility>
#include <vector>
#ifndef _WIN32
#include <cxxabi.h>
#include <cstdlib>
#endif
#include "core/demangler.hpp"
namespace sight::core
{
static const std::string COLONS = "::";
static const std::string LT = "<";
//------------------------------------------------------------------------------
demangler::demangler(const std::type_info& _t) :
m_name(_t.name())
{
}
//------------------------------------------------------------------------------
demangler::demangler(std::string _s) :
m_name(std::move(_s))
{
}
//------------------------------------------------------------------------------
demangler::~demangler()
= default;
//------------------------------------------------------------------------------
std::string demangler::get_leaf_classname() const
{
std::string demangled(this->demangle());
const std::size_t lt_pos = demangled.find(LT);
std::size_t colons_pos = demangled.rfind(COLONS, lt_pos);
colons_pos = (colons_pos == std::string::npos) ? 0 : colons_pos + COLONS.size();
return demangled.replace(0, colons_pos, "");
}
//------------------------------------------------------------------------------
std::string demangler::get_classname() const
{
std::string demangled(this->demangle());
return demangled;
}
//------------------------------------------------------------------------------
std::string demangler::demangle() const
{
const char* mangled = m_name.c_str();
#ifndef _WIN32
const auto c_demangled =
std::unique_ptr<char, decltype(std::free) *>(
abi::__cxa_demangle(mangled, nullptr, nullptr, nullptr),
std::free
);
std::string res;
if(c_demangled != nullptr)
{
res = c_demangled.get();
return res;
}
res = mangled;
return res;
#else
static std::vector<std::string> keywords;
typedef std::vector<std::string>::iterator keyword_iterator;
if(keywords.empty())
{
keywords.push_back("__cdecl");
keywords.push_back("class ");
keywords.push_back("enum ");
keywords.push_back("struct ");
keywords.push_back("union ");
}
std::string res(mangled);
for(keyword_iterator iter = keywords.begin() ; iter != keywords.end() ; ++iter)
{
while(res.find(*iter) != std::string::npos)
{
res = res.replace(res.find(*iter), iter->size(), "");
}
while(res.find(" *") != std::string::npos)
{
res = res.replace(res.find(" *"), 2, "*");
}
while(res.find(" &") != std::string::npos)
{
res = res.replace(res.find(" &"), 2, "&");
}
}
return res;
#endif
}
//------------------------------------------------------------------------------
} //namespace sight::core
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