Source code of Windows XP (NT5)
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#ifndef __FILTER_H__
#define __FILTER_H__
// Based on the filtering type (All or Table) tags in the given body will
// be filtered. What the filter does with the tags will depend on the
// next set of flags. The Disable/Remove Option will determine if the tags
// are removed or diabled by replacing the '<' with and <. The last flag
// controls whether or not embedded links like http:// are activated. If
// a link is detected and not put into an <A> tag.
#define FILTERTAGS_FILTERALL 0x00000001
#define FILTERTAGS_FILTERTABLE 0x00000002
#define FILTERTAGS_ENABLELINKS 0x00000100
//+------------------------------------------------------------------------
//
// Member: HTML_FilterTags
//
// Synopsis: This function is used to filter HTML tags from a block of
// text. Based on the flags the filtering routine can be used
// to filter tags out, disable them, and can do a few other
// types of filtering.
//
// Arguments: szContent - This is the block of text that should be
// filtered. The filtering is done in place.
// Therefore depending on the flags, the block
// may grow and there must be enough space in
// the buffer for the expansion.
// dwMaxLen - This is the size of the buffer, and any
// can not exceeed these limits.
// iFilterHow - This controls what filtering process is
// applied to the data.
// pszNewBuffer- This will hold the adress of the dynamic
// buffer if there was a need to allocate one
// dwNewBufferSize - if not 0 and the initial string is not
// large enough to hold the result, a new
// buffer of that size will be allocated
//
//
// Returns: HRESULT
//
// S_OK - means that the data was successfully filtered and
// enough space existed to perform all required
// modifications to the data.
//
// Notes: The grsValidTags table is used to determine which tags
// and attributes are allowed.
//
//-------------------------------------------------------------------------
HRESULT PROJINTERNAL HTML_FilterTagsA(const CHAR *szSrcContent, CHAR *szDestContent, DWORD *pdwMaxLen, int fFilterHow, CHAR** pszNewBuffer = NULL, DWORD dwNewBufferSize = 0);HRESULT PROJINTERNAL HTML_FilterTagsW(const WCHAR *szSrcContent, WCHAR *szDestContent, DWORD *pdwMaxLen, int fFilterHow, WCHAR** pszNewBuffer = NULL, DWORD dwNewBufferSize = 0);
#ifdef UNICODE
#define HTML_FilterTags HTML_FilterTagsW
#else
#define HTML_FilterTags HTML_FilterTagsA
#endif
#endif // __FILTER_H__
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