Most of XamContent* methods, besides enumeration.

Progress on #152.

src/xenia/kernel/content_manager.h

@@ -0,0 +1,85 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2015 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_KERNEL_CONTENT_MANAGER_H_
+#define XENIA_KERNEL_CONTENT_MANAGER_H_
+
+#include <memory>
+#include <mutex>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include "poly/memory.h"
+#include "xenia/common.h"
+#include "xenia/xbox.h"
+
+namespace xe {
+namespace kernel {
+
+class KernelState;
+
+struct XCONTENT_DATA {
+  uint32_t device_id;
+  uint32_t content_type;
+  std::wstring display_name;  // 128 chars
+  std::string file_name;
+  XCONTENT_DATA() = default;
+  XCONTENT_DATA(const uint8_t* ptr) {
+    device_id = poly::load_and_swap<uint32_t>(ptr + 0);
+    content_type = poly::load_and_swap<uint32_t>(ptr + 4);
+    display_name = poly::load_and_swap<std::wstring>(ptr + 8);
+    file_name = poly::load_and_swap<std::string>(ptr + 8 + 128 * 2);
+  }
+};
+
+class ContentPackage {
+ public:
+  ContentPackage(KernelState* kernel_state, std::string root_name,
+                 const XCONTENT_DATA& data, std::wstring package_path);
+  ~ContentPackage();
+
+ private:
+  KernelState* kernel_state_;
+  std::string root_name_;
+  std::string device_path_;
+};
+
+class ContentManager {
+ public:
+  ContentManager(KernelState* kernel_state, std::wstring root_path);
+  ~ContentManager();
+
+  std::unique_ptr<ContentPackage> ResolvePackage(std::string root_name,
+                                                 const XCONTENT_DATA& data);
+
+  bool ContentExists(const XCONTENT_DATA& data);
+  X_RESULT CreateContent(std::string root_name, const XCONTENT_DATA& data);
+  X_RESULT OpenContent(std::string root_name, const XCONTENT_DATA& data);
+  X_RESULT CloseContent(std::string root_name);
+  X_RESULT GetContentThumbnail(const XCONTENT_DATA& data,
+                               std::vector<uint8_t>* buffer);
+  X_RESULT SetContentThumbnail(const XCONTENT_DATA& data,
+                               std::vector<uint8_t> buffer);
+  X_RESULT DeleteContent(const XCONTENT_DATA& data);
+
+ private:
+  std::wstring ResolvePackagePath(const XCONTENT_DATA& data);
+
+  KernelState* kernel_state_;
+  std::wstring root_path_;
+
+  std::recursive_mutex content_mutex_;
+  std::unordered_map<std::string, ContentPackage*> open_packages_;
+};
+
+}  // namespace kernel
+}  // namespace xe
+
+#endif  // XENIA_KERNEL_CONTENT_MANAGER_H_