97 lines
2.1 KiB
C++
97 lines
2.1 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_KERNEL_FS_GDFX_H_
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#define XENIA_KERNEL_FS_GDFX_H_
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#include <xenia/common.h>
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#include <xenia/core.h>
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#include <vector>
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#include <xenia/xbox.h>
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#include <xenia/kernel/fs/entry.h>
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namespace xe {
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namespace kernel {
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namespace fs {
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class GDFX;
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class GDFXEntry {
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public:
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GDFXEntry();
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~GDFXEntry();
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GDFXEntry* GetChild(const char* name);
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void Dump(int indent);
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std::string name;
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X_FILE_ATTRIBUTES attributes;
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size_t offset;
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size_t size;
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std::vector<GDFXEntry*> children;
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};
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class GDFX {
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public:
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enum Error {
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kSuccess = 0,
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kErrorOutOfMemory = -1,
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kErrorReadError = -10,
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kErrorFileMismatch = -30,
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kErrorDamagedFile = -31,
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};
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GDFX(xe_mmap_ref mmap);
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virtual ~GDFX();
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GDFXEntry* root_entry();
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Error Load();
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void Dump();
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private:
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typedef struct {
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uint8_t* ptr;
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size_t size; // Size (bytes) of total image
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size_t game_offset; // Offset (bytes) of game partition
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size_t root_sector; // Offset (sector) of root
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size_t root_offset; // Offset (bytes) of root
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size_t root_size; // Size (bytes) of root
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} ParseState;
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Error Verify(ParseState& state);
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bool VerifyMagic(ParseState& state, size_t offset);
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Error ReadAllEntries(ParseState& state, const uint8_t* root_buffer);
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bool ReadEntry(ParseState& state, const uint8_t* buffer,
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uint16_t entry_ordinal, GDFXEntry* parent);
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xe_mmap_ref mmap_;
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GDFXEntry* root_entry_;
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};
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} // namespace fs
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} // namespace kernel
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} // namespace xe
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#endif // XENIA_KERNEL_FS_GDFX_H_
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