116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
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#ifndef _DEFINED_CDF_H_
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#define _DEFINED_CDF_H_
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#define MAX_NODE_NAME 32
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#define MAX_NODE_CLASS 64
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// pack definition structures on a DWORD boundary to match VB Type definition aligment
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#pragma pack(4)
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typedef enum tagCONV_NODE_TYPE
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{
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NODE_TYPE_PAGE,
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NODE_TYPE_CONVERSATION
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} CONV_NODE_TYPE;
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typedef struct tagCONV_HEADER
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{
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DWORD dwVersion;
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DWORD cNodes;
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DWORD dwFirstNodeID;
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DWORD dwReserved1;
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DWORD dwReserved2;
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} CONV_HEADER;
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typedef struct tagCONV_NODE
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{
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DWORD dwNodeID; // Not saved in file. NodeID = offset into file. Set on return from API
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char szName[MAX_NODE_NAME];
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char szClass[MAX_NODE_CLASS]; // TODO: Can we limit names and classes as such?
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DWORD dwReserved1;
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DWORD dwReserved2;
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DWORD dwReserved3;
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DWORD dwLinkCount;
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// DWORD dwLink1;
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// DWORD dwLink2;
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// ...
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// DWORD dwLinkN;
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// etc.
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} CONV_NODE;
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//
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// CDF File Format
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//
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// Header
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//
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// Name Len
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// Name
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// Class Len
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// Class
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// Link Count
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// Link1
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// Link2
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// ...
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// LinkN
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#pragma pack()
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// resource type name used for CDFs
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#define CDF_RESOURCE_TYPE "__ICDF__"
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// current version of CDF
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#define CDF_VERSION 0
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// File layout:
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//
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// header
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// constructor node (no links)
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// destructor node (no links)
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// termination node (no links)
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// OnError node
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// first link of OnError node
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// second link of OnError node
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// ...
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// nth link of OnError node
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// first conversation node
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// first link of first node
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// second link of first node
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// ...
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// nth link of first node
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// second conversation node
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// first link of second node
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// etc.
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//
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// File is always read and written sequentially
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///////////////////////////////////////////////////////////////////
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//////////////////////////// CDF API //////////////////////////////
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///////////////////////////////////////////////////////////////////
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// Functions for reading a CDF
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extern "C" HRESULT WINAPI CDF_Open(LPTSTR pszFileName, HANDLE *phCDF);
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extern "C" HRESULT WINAPI CDF_OpenFromResource(HANDLE hModule, LPCSTR pszResourceName, HANDLE *phCDF);
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extern "C" HRESULT WINAPI CDF_GetVersion(HANDLE hCDF, DWORD *pdwVersion);
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extern "C" HRESULT WINAPI CDF_GetNodeCount(HANDLE hCDF, DWORD *pdwNodeCount);
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extern "C" HRESULT WINAPI CDF_GetFirstNode(HANDLE hCDF, CONV_NODE *pConvNode);
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extern "C" HRESULT WINAPI CDF_GetNode(HANDLE hCDF, DWORD dwNodeID, CONV_NODE *pConvNode);
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extern "C" HRESULT WINAPI CDF_GetLink(HANDLE hCDF, DWORD dwNodeID, DWORD dwIndex, CONV_NODE *pDestConvNode);
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// Functions for writing a CDF
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extern "C" HRESULT WINAPI CDF_Create(LPCTSTR pszFileName, HANDLE *phCDF);
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extern "C" HRESULT WINAPI CDF_AddNode(HANDLE hCDF, LPSTR pszName, LPSTR pszClass);
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extern "C" HRESULT WINAPI CDF_AddLink(HANDLE hCDF, LPSTR pszDestNode);
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// Always close the CDF when finished reading or writing
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extern "C" HRESULT WINAPI CDF_Close(HANDLE hCDF);
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#endif // _DEFINED_CDF_H_
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