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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
/*
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* Copyright (c) 2020, Hüseyin ASLITÜRK <asliturk@hotmail.com>, the SerenityOS developers
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Array.h>
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#include <AK/Endian.h>
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#include <AK/Types.h>
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#include <string.h>
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namespace Gfx {
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class Streamer {
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public:
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constexpr Streamer(const u8* data, size_t size)
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: m_data_ptr(data)
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, m_size_remaining(size)
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{
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}
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template<typename T>
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constexpr bool read(T& value)
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{
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Array<u8, sizeof(T)> network_buffer {};
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auto network_value = new (network_buffer.data()) AK::NetworkOrdered<T> {};
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auto res = read_bytes(network_buffer.data(), sizeof(T));
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value = T(*network_value);
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return res;
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}
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constexpr bool read_bytes(u8* buffer, size_t count)
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{
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if (m_size_remaining < count) {
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return false;
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}
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memcpy(buffer, m_data_ptr, count);
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m_data_ptr += count;
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m_size_remaining -= count;
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return true;
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}
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constexpr bool at_end() const { return !m_size_remaining; }
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constexpr void step_back()
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{
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m_data_ptr -= 1;
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m_size_remaining += 1;
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}
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private:
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const u8* m_data_ptr { nullptr };
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size_t m_size_remaining { 0 };
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};
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}
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