87 lines
1.8 KiB
C++
87 lines
1.8 KiB
C++
#pragma once
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namespace NPK
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{
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//------------------------------------
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//pre-dfine
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//------------------------------------
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class INPKFile;
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class IFileStream;
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//------------------------------------
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// NPK file error codes
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//------------------------------------
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enum ErrorCode
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{
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NPK_ERR_SUCCESS = 0,
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NPK_ERR_FILE_NOT_FOUND,
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NPK_ERR_INVALID_FILE_FORMAT,
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NPK_ERR_INVALID_FILE_HASH,
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NPK_ERR_FILE_ACCESS,
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NPK_ERR_FILE_READ,
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NPK_ERR_FILE_WRITE,
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NPK_ERR_PARAM,
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NPK_ERR_INVALID_STATE,
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//Other errors
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NPK_ERR_UNKNOWN
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};
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//------------------------------------
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//API for NPK file
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//------------------------------------
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// Create a NPK file interface
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INPKFile* createNPKFile();
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// destroy an NPK interface
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void closeNPKFile(INPKFile* npkFile);
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// Get the last error code
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ErrorCode getLastErrorCode();
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// Get the last error message
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const char* getLastErrorMessage();
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//------------------------------------
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// define the NPK file interface
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//------------------------------------
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class INPKFile
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{
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public:
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struct FileNode
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{
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std::string fileName;
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uint32_t fileOffset = 0;
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uint32_t fileSize = 0;
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};
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public:
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virtual bool openPakFile(const char* szPackFileName) = 0;
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virtual bool closePakFile(void) = 0;
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virtual int32_t getFileCount(void) const = 0;
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virtual bool getFileNode(int32_t index, FileNode& fileNode) const = 0;
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virtual IFileStream* openFileStream(const char* szFileName) = 0;
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virtual void closeFileStream(IFileStream* fileStream) = 0;
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};
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class IFileStream
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{
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public:
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virtual const char* name(void) const = 0;
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virtual uint32_t size(void) const = 0;
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virtual uint32_t read(void* buffer, uint32_t size) = 0;
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virtual bool seek(uint32_t offset) = 0;
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virtual uint32_t tell(void) const = 0;
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virtual uint32_t crc32(void) = 0;
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virtual bool isEOF(void) const = 0;
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};
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}
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