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o3de/Code/Framework/AzFramework/AzFramework/Archive/ArchiveFindData.h

86 lines
2.6 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#include <AzCore/std/smart_ptr/intrusive_base.h>
#include <AzCore/std/string/fixed_string.h>
namespace AZ::IO
{
struct IArchive;
struct FileDesc
{
enum class Attribute : uint32_t
{
ReadOnly = 0x1,
Subdirectory = 0x10,
Archive = 0x80000000
};
Attribute nAttrib{};
uint64_t nSize{};
time_t tAccess{ -1 };
time_t tCreate{ -1 };
time_t tWrite{ -1 };
FileDesc() = default;
explicit FileDesc(Attribute fileAttribute, uint64_t fileSize = 0, time_t accessTime = -1, time_t creationTime = -1, time_t writeTime = -1);
};
AZ_DEFINE_ENUM_BITWISE_OPERATORS(AZ::IO::FileDesc::Attribute);
class FindData;
struct ArchiveFileIterator
{
ArchiveFileIterator() = default;
ArchiveFileIterator(FindData* findData, AZStd::string_view filename, const FileDesc& fileDesc);
ArchiveFileIterator operator++();
ArchiveFileIterator operator++(int);
explicit operator bool() const;
inline static constexpr size_t FilenameMaxLength = 256;
AZStd::fixed_string<FilenameMaxLength> m_filename;
FileDesc m_fileDesc;
AZStd::intrusive_ptr<FindData> m_findData{};
private:
friend class FindData;
bool m_lastFetchValid{};
};
struct AZStdStringLessCaseInsensitive
{
bool operator()(AZStd::string_view left, AZStd::string_view right) const;
using is_transparent = void;
};
class FindData
: public AZStd::intrusive_base
{
public:
AZ_CLASS_ALLOCATOR(FindData, AZ::SystemAllocator, 0);
FindData() = default;
AZ::IO::ArchiveFileIterator Fetch();
void Scan(IArchive* archive, AZStd::string_view path, bool bAllowUseFS = false, bool bScanZips = true);
protected:
void ScanFS(IArchive* archive, AZStd::string_view path);
void ScanZips(IArchive* archive, AZStd::string_view path);
using FileStack = AZStd::vector<ArchiveFileIterator>;
FileStack m_fileStack;
};
}