mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
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94 lines
3.5 KiB
C++
94 lines
3.5 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/sf/sf_buffer_tags.hpp>
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namespace ams::err {
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enum class ErrorContextType : u8 {
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None = 0,
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Http = 1,
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FileSystem = 2,
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WebMediaPlayer = 3,
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LocalContentShare = 4,
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};
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struct PaddingErrorContext {
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u8 padding[0x200 - 8];
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};
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struct ErrorContext : public sf::LargeData, public sf::PrefersMapAliasTransferMode {
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ErrorContextType type;
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u8 reserved[7];
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union {
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PaddingErrorContext padding;
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};
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};
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static_assert(sizeof(ErrorContext) == 0x200);
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static_assert(util::is_pod<ErrorContext>::value);
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struct ContextDescriptor {
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int value;
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constexpr ALWAYS_INLINE bool operator==(const ContextDescriptor &rhs) const { return this->value == rhs.value; }
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constexpr ALWAYS_INLINE bool operator!=(const ContextDescriptor &rhs) const { return this->value != rhs.value; }
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constexpr ALWAYS_INLINE bool operator< (const ContextDescriptor &rhs) const { return this->value < rhs.value; }
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constexpr ALWAYS_INLINE bool operator<=(const ContextDescriptor &rhs) const { return this->value <= rhs.value; }
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constexpr ALWAYS_INLINE bool operator> (const ContextDescriptor &rhs) const { return this->value > rhs.value; }
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constexpr ALWAYS_INLINE bool operator>=(const ContextDescriptor &rhs) const { return this->value >= rhs.value; }
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};
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constexpr inline const ContextDescriptor InvalidContextDescriptor{ -1 };
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namespace impl {
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constexpr inline const ContextDescriptor ContextDescriptorMin{ 0x001 };
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constexpr inline const ContextDescriptor ContextDescriptorMax{ 0x1FF };
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}
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constexpr Result MakeResultWithContextDescriptor(Result result, ContextDescriptor descriptor) {
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/* Check pre-conditions. */
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AMS_ASSERT(R_FAILED(result));
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AMS_ASSERT(descriptor != InvalidContextDescriptor);
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AMS_ASSERT(impl::ContextDescriptorMin <= descriptor && descriptor <= impl::ContextDescriptorMax);
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return result::impl::ResultInternalAccessor::MergeReserved(result, descriptor.value | 0x200);
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}
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constexpr ContextDescriptor GetContextDescriptorFromResult(Result result) {
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/* Check pre-conditions. */
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AMS_ASSERT(R_FAILED(result));
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/* Get reserved bits. */
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const auto reserved = result::impl::ResultInternalAccessor::GetReserved(result);
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if ((reserved & 0x200) != 0x200) {
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return InvalidContextDescriptor;
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}
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/* Check the descriptor value. */
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const ContextDescriptor descriptor{static_cast<decltype(ContextDescriptor{}.value)>(reserved & ~0x200)};
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if (!(impl::ContextDescriptorMin <= descriptor && descriptor <= impl::ContextDescriptorMax)) {
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return InvalidContextDescriptor;
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}
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return descriptor;
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}
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}
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