NormalizeTypeName.h

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/*
 * This file is a part of the Biology project by eons LLC.
 * Biology (aka Develop Biology) is a framework for approaching software
 * development from a natural sciences perspective.
 *
 * Copyright (C) 2024 Séon O'Shannon & eons LLC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "bio/common/string/String.h"
#include <algorithm>
#include <cctype>
#include <cstring>
#include <string>
 
namespace bio {
namespace type {
 
struct RemovePointerRefFromTypeName
{
    bool operator()(char c) const
    {
        return c == '*' || c == '&';
    }
};
 
inline String NormalizeTypeName(const String& name)
{
    ::std::string raw = name.AsStdString();
    while (raw.rfind("::", 0) == 0)
    {
        raw.erase(0, 2);
    }
    const char* tokens[] = {
        "class ",
        "struct ",
        "enum ",
        "const ",
        "volatile "
    };
    for (::std::size_t i = 0; i < sizeof(tokens) / sizeof(tokens[0]); ++i)
    {
        const char* token = tokens[i];
        const ::std::size_t tokenLen = ::std::strlen(token);
        ::std::size_t pos = 0;
        while ((pos = raw.find(token, pos)) != ::std::string::npos)
        {
            raw.erase(pos, tokenLen);
        }
    }
    raw.erase(
        ::std::remove_if(raw.begin(), raw.end(), ::isspace),
        raw.end());
    raw.erase(
        ::std::remove_if(raw.begin(), raw.end(), RemovePointerRefFromTypeName()),
        raw.end());
    if (raw.size() >= 2 && raw[raw.size() - 1] == ']' && raw[raw.size() - 2] == '>')
    {
        raw.erase(raw.size() - 1);
    }
    else if (!raw.empty() && raw[raw.size() - 1] == ']')
    {
        raw[raw.size() - 1] = '>';
    }
    return String(raw);
}
 
} //type namespace
} //bio namespace