2018-07-28 00:14:03 +02:00
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "core/file_sys/vfs.h"
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namespace FileSys {
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2018-11-16 04:33:52 +01:00
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// An implementation of VfsFile that is backed by a statically-sized array
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template <std::size_t size>
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class ArrayVfsFile : public VfsFile {
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public:
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ArrayVfsFile(std::array<u8, size> data, std::string name = "", VirtualDir parent = nullptr)
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: data(std::move(data)), name(std::move(name)), parent(std::move(parent)) {}
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std::string GetName() const override {
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return name;
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}
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std::size_t GetSize() const override {
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return size;
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}
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bool Resize(std::size_t new_size) override {
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return false;
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}
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std::shared_ptr<VfsDirectory> GetContainingDirectory() const override {
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return parent;
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}
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bool IsWritable() const override {
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return false;
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}
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bool IsReadable() const override {
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return true;
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}
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std::size_t Read(u8* data_, std::size_t length, std::size_t offset) const override {
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const auto read = std::min(length, size - offset);
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std::memcpy(data_, data.data() + offset, read);
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return read;
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}
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std::size_t Write(const u8* data, std::size_t length, std::size_t offset) override {
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return 0;
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}
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bool Rename(std::string_view name) override {
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this->name = name;
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return true;
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}
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private:
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std::array<u8, size> data;
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std::string name;
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VirtualDir parent;
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};
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2018-09-20 03:58:33 +02:00
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// An implementation of VfsFile that is backed by a vector optionally supplied upon construction
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class VectorVfsFile : public VfsFile {
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public:
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explicit VectorVfsFile(std::vector<u8> initial_data = {}, std::string name = "",
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VirtualDir parent = nullptr);
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2018-09-24 03:50:16 +02:00
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~VectorVfsFile() override;
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2018-09-20 03:58:33 +02:00
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std::string GetName() const override;
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2018-09-25 23:56:14 +02:00
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std::size_t GetSize() const override;
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bool Resize(std::size_t new_size) override;
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2018-09-20 03:58:33 +02:00
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std::shared_ptr<VfsDirectory> GetContainingDirectory() const override;
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bool IsWritable() const override;
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bool IsReadable() const override;
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2018-09-25 23:56:14 +02:00
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std::size_t Read(u8* data, std::size_t length, std::size_t offset) const override;
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std::size_t Write(const u8* data, std::size_t length, std::size_t offset) override;
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2018-09-20 03:58:33 +02:00
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bool Rename(std::string_view name) override;
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virtual void Assign(std::vector<u8> new_data);
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private:
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std::vector<u8> data;
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VirtualDir parent;
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std::string name;
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};
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2018-07-28 00:14:03 +02:00
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// An implementation of VfsDirectory that maintains two vectors for subdirectories and files.
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// Vector data is supplied upon construction.
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2018-08-12 22:37:38 +02:00
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class VectorVfsDirectory : public VfsDirectory {
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public:
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2018-07-28 00:14:03 +02:00
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explicit VectorVfsDirectory(std::vector<VirtualFile> files = {},
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2018-08-12 04:44:50 +02:00
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std::vector<VirtualDir> dirs = {}, std::string name = "",
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VirtualDir parent = nullptr);
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2018-09-20 01:19:05 +02:00
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~VectorVfsDirectory() override;
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2018-07-28 00:14:03 +02:00
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std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
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std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
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bool IsWritable() const override;
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bool IsReadable() const override;
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std::string GetName() const override;
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std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
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bool DeleteSubdirectory(std::string_view name) override;
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bool DeleteFile(std::string_view name) override;
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bool Rename(std::string_view name) override;
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std::shared_ptr<VfsDirectory> CreateSubdirectory(std::string_view name) override;
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std::shared_ptr<VfsFile> CreateFile(std::string_view name) override;
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virtual void AddFile(VirtualFile file);
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virtual void AddDirectory(VirtualDir dir);
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private:
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std::vector<VirtualFile> files;
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std::vector<VirtualDir> dirs;
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VirtualDir parent;
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std::string name;
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};
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} // namespace FileSys
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