init

2025-09-04 10:54:47 +08:00
commit 6bc8f61b18
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+/* Copyright (c) 2024, Thomas Atkinson
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 the "License";
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <filesystem>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "core/platform/context.hpp"
+#include "core/util/logging.hpp"
+
+namespace vkb
+{
+namespace filesystem
+{
+struct FileStat
+{
+	bool   is_file;
+	bool   is_directory;
+	size_t size;
+};
+
+using Path = std::filesystem::path;
+
+// A thin filesystem wrapper
+class FileSystem
+{
+  public:
+	FileSystem()          = default;
+	virtual ~FileSystem() = default;
+
+	virtual FileStat             stat_file(const Path &path)                                    = 0;
+	virtual bool                 is_file(const Path &path)                                      = 0;
+	virtual bool                 is_directory(const Path &path)                                 = 0;
+	virtual bool                 exists(const Path &path)                                       = 0;
+	virtual bool                 create_directory(const Path &path)                             = 0;
+	virtual std::vector<uint8_t> read_chunk(const Path &path, size_t offset, size_t count)      = 0;
+	virtual void                 write_file(const Path &path, const std::vector<uint8_t> &data) = 0;
+	virtual void                 remove(const Path &path)                                       = 0;
+
+	virtual void        set_external_storage_directory(const std::string &dir) = 0;
+	virtual const Path &external_storage_directory() const                     = 0;
+	virtual const Path &temp_directory() const                                 = 0;
+
+	void write_file(const Path &path, const std::string &data);
+
+	// Read the entire file into a string
+	std::string read_file_string(const Path &path);
+
+	// Read the entire file into a vector of bytes
+	std::vector<uint8_t> read_file_binary(const Path &path);
+};
+
+using FileSystemPtr = std::shared_ptr<FileSystem>;
+
+void init();
+
+// Initialize the filesystem with the given context
+void init_with_context(const PlatformContext &context);
+
+// Get the filesystem instance
+FileSystemPtr get();
+
+namespace helpers
+{
+std::string filename(const std::string &path);
+}
+}        // namespace filesystem
+}        // namespace vkb