75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
#pragma once
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#include "CkDefines.hpp"
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namespace LibCmo::CK2 {
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// ========== Compression utilities ==========
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/**
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* @brief Compress a buffer
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* @param[in] Data A pointer to the buffer to coompress
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* @param[in] size Size of the source buffer.
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* @param[out] NewSize A reference that will be filled with the size of the compressed buffer. 0 if failed.
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* @param[in] compressionlevel 0-9
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* @return
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* A pointer to the compressed buffer. nullptr if failed.
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* The return pointer should be freed by `delete[]` manually.
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* @remark
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* The size of allocated return value may greater than the passed value of NewSize.
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* NewSize only indicate the size of the part storing useful data in return value.
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* @see CKUnPackData, CKComputeDataCRC
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*/
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void* CKPackData(const void* Data, CKDWORD size, CKDWORD& NewSize, CKINT compressionlevel);
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/**
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* @brief Decompress a buffer
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* @param[in] DestSize Expected size of the decompressed buffer.
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* @param[in] SrcBuffer Compressed buffer.
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* @param[in] SrcSize Size of the compressed buffer.
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* @return
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* A pointer to the decompressed buffer or nullptr if there was a error.
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* The return pointer should be freed by `delete[]` manually.
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* @see CKPackData, CKComputeDataCRC
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*/
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void* CKUnPackData(CKDWORD DestSize, const void* SrcBuffer, CKDWORD SrcSize);
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/**
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* @brief Computes a CRC for a buffer.
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* @param[in] data A pointer to the buffer to create a CRC for.
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* @param[in] size Size of the source buffer.
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* @param[in] PreviousCRC
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* The first time a CRC is computed this value should be 0,
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* but it can be use to compute a single CRC for a several buffers
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* by using the currently computed CRC for previous buffers in this value.
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* @return CRC of the buffer.
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* @see CKPackData, CKUnPackData
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*/
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CKDWORD CKComputeDataCRC(const void* data, CKDWORD size, CKDWORD PreviousCRC = 0);
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// ========== Numberic Utilities ==========
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/*
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The convenient sizeof which return CKDWORD, not size_t.
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*/
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#define CKSizeof(_Ty) (static_cast<LibCmo::CK2::CKDWORD>(sizeof(_Ty)))
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// ========== CKClass Registration ==========
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void CKClassRegister(CK_CLASSID cid, CK_CLASSID parentCid,
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CKClassCreationFct createFct, CKClassReleaseFct relFct, CKClassNameFct nameFct);
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// ========== Class Hierarchy Management ==========
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CKINT CKGetClassCount();
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const CKClassDesc* CKGetClassDesc(CK_CLASSID cid);
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CKSTRING CKClassIDToString(CK_CLASSID cid);
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bool CKIsChildClassOf(CK_CLASSID child, CK_CLASSID parent);
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CK_CLASSID CKGetParentClassID(CK_CLASSID child);
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CK_CLASSID CKGetCommonParent(CK_CLASSID cid1, CK_CLASSID cid2);
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// ========== Initializations functions ==========
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CKERROR CKStartUp();
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CKERROR CKShutdown();
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}
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