mirror of
https://github.com/Fennix-Project/Kernel.git
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120 lines
2.4 KiB
Plaintext
120 lines
2.4 KiB
Plaintext
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <convert.h>
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#include <cassert>
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#include <new>
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namespace std
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{
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class __simple_string
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{
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private:
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char *data;
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size_t size;
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public:
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__simple_string()
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: data(nullptr),
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size(0)
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{
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}
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__simple_string(const char *str)
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: data(nullptr),
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size(0)
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{
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size = strlen(str);
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data = new char[size + 1];
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assert(data != nullptr);
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memcpy(data, str, size);
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data[size] = '\0';
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}
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__simple_string(const __simple_string &other)
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: data(nullptr),
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size(0)
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{
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size = other.size;
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data = new char[size + 1];
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assert(data != nullptr);
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memcpy(data, other.data, size);
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data[size] = '\0';
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}
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~__simple_string()
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{
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if (data)
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delete[] data;
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}
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const char *c_str() const { return data; }
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__simple_string &operator=(const __simple_string &other)
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{
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if (data)
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delete[] data;
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size = other.size;
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data = new char[size + 1];
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assert(data != nullptr);
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memcpy(data, other.data, size);
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data[size] = '\0';
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return *this;
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}
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};
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class runtime_error : public exception
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{
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};
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class logic_error : public exception
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{
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private:
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__simple_string msg;
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public:
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logic_error(const char *what_arg) : msg(what_arg) {}
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logic_error(const logic_error &other) : msg(other.msg) {}
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logic_error &operator=(const logic_error &other) noexcept
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{
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msg = other.msg;
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return *this;
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}
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virtual const char *what() const noexcept
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{
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return msg.c_str();
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}
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};
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class out_of_range : public logic_error
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{
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public:
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out_of_range(const char *what_arg) : logic_error(what_arg) {}
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out_of_range(const out_of_range &other) = default;
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out_of_range &operator=(const out_of_range &) = default;
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out_of_range(out_of_range &&) = default;
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out_of_range &operator=(out_of_range &&) = default;
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virtual ~out_of_range() = default;
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};
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}
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