82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
#pragma once
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#include <string>
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#include <filesystem>
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#include "../path.hpp"
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namespace io {
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class Device {
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public:
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virtual ~Device() = default;
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virtual std::filesystem::path resolve(std::string_view path) = 0;
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virtual void write(std::string_view path, const void* data, size_t size) = 0;
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virtual void read(std::string_view path, void* data, size_t size) = 0;
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virtual size_t size(std::string_view path) = 0;
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virtual bool exists(std::string_view path) = 0;
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virtual bool isdir(std::string_view path) = 0;
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virtual bool isfile(std::string_view path) = 0;
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virtual void mkdirs(std::string_view path) = 0;
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virtual bool remove(std::string_view path) = 0;
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virtual uint64_t removeAll(std::string_view path) = 0;
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virtual std::unique_ptr<PathsGenerator> list(std::string_view path) = 0;
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};
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class SubDevice : public Device {
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public:
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SubDevice(std::shared_ptr<Device> parent, const std::string& path)
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: parent(std::move(parent)), root(path) {}
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std::filesystem::path resolve(std::string_view path) override {
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return parent->resolve((root / path).pathPart());
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}
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void write(std::string_view path, const void* data, size_t size) override {
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parent->write((root / path).pathPart(), data, size);
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}
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void read(std::string_view path, void* data, size_t size) override {
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parent->read((root / path).pathPart(), data, size);
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}
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size_t size(std::string_view path) override {
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return parent->size((root / path).pathPart());
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}
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bool exists(std::string_view path) override {
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return parent->exists((root / path).pathPart());
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}
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bool isdir(std::string_view path) override {
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return parent->isdir((root / path).pathPart());
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}
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bool isfile(std::string_view path) override {
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return parent->isfile((root / path).pathPart());
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}
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void mkdirs(std::string_view path) override {
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parent->mkdirs((root / path).pathPart());
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}
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bool remove(std::string_view path) override {
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return parent->remove((root / path).pathPart());
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}
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uint64_t removeAll(std::string_view path) override {
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return parent->removeAll((root / path).pathPart());
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}
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std::unique_ptr<PathsGenerator> list(std::string_view path) override {
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return parent->list((root / path).pathPart());
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}
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private:
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std::shared_ptr<Device> parent;
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path root;
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};
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}
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