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#ifndef __nsMsgSearchTerm_h
#define __nsMsgSearchTerm_h
//---------------------------------------------------------------------------
// nsMsgSearchTerm specifies one criterion, e.g. name contains phil
//---------------------------------------------------------------------------
#include "nsIMsgSearchSession.h"
#include "nsIMsgSearchScopeTerm.h"
#include "nsIMsgSearchTerm.h"

// needed to search for addresses in address books
#include "nsIAbMDBDirectory.h"

#define EMPTY_MESSAGE_LINE(buf) (buf[0] == nsCRT::CR || buf[0] == nsCRT::LF || buf[0] == '\0')

class nsMsgSearchTerm : public nsIMsgSearchTerm
{
public:
	nsMsgSearchTerm();
	nsMsgSearchTerm (nsMsgSearchAttribValue, nsMsgSearchOpValue, nsIMsgSearchValue *, nsMsgSearchBooleanOperator, const char * arbitraryHeader);

	virtual ~nsMsgSearchTerm ();

    NS_DECL_ISUPPORTS
    NS_DECL_NSIMSGSEARCHTERM

    
	PRInt32 GetNextIMAPOfflineMsgLine (char * buf, int bufferSize, int msgOffset, nsIMsgDBHdr * msg, nsIMsgDatabase * db);


    //	nsresult MatchBody (nsIMsgSearchScopeTerm*, PRUint32 offset, PRUint32 length, const char *charset, 
    //						nsIMsgDBHdr * msg, nsIMsgDatabase * db, PRBool *pResult);
    //	nsresult MatchArbitraryHeader (nsIMsgSearchScopeTerm *,
    //                                   PRUint32 offset,
    //                                   PRUint32 length,
    //                                   const char *charset,
    //                                   nsIMsgDBHdr * msg,
    //                                   nsIMsgDatabase *db,
    //                                   const char * headers, /* NULL terminated header list for msgs being filtered. Ignored unless ForFilters */
    //                                   PRUint32 headersSize, /* size of the NULL terminated list of headers */
    //                                   PRBool ForFilters /* true if we are filtering */,
    //								   PRBool *pResult);
	// nsresult MatchDate (PRTime, PRBool *result);
	// nsresult MatchStatus (PRUint32, PRBool *result);
	// nsresult MatchPriority (nsMsgPriorityValue, PRBool *result);
	// nsresult MatchSize (PRUint32, PRBool *result);
    //	nsresult MatchRfc822String(const char *, const char *charset, PRBool *pResult);
	// nsresult MatchAge (PRTime, PRBool *result);
    
	nsresult DeStream (char *, PRInt16 length);
	nsresult DeStreamNew (char *, PRInt16 length);

	nsresult GetLocalTimes (PRTime, PRTime, PRExplodedTime &, PRExplodedTime &);

	PRBool IsBooleanOpAND() { return m_booleanOp == nsMsgSearchBooleanOp::BooleanAND ? PR_TRUE : PR_FALSE;}
	nsMsgSearchBooleanOperator GetBooleanOp() {return m_booleanOp;}
	// maybe should return nsString &   ??
	const char * GetArbitraryHeader() {return m_arbitraryHeader.get();}

	static char *	EscapeQuotesInStr(const char *str);

	nsCOMPtr<nsIMsgHeaderParser> m_headerAddressParser;

	nsMsgSearchAttribValue m_attribute;
	nsMsgSearchOpValue m_operator;
	nsMsgSearchValue m_value;
	nsMsgSearchBooleanOperator m_booleanOp;  // boolean operator to be applied to this search term and the search term which precedes it.
	nsCString m_arbitraryHeader;         // user specified string for the name of the arbitrary header to be used in the search
									  // only has a value when m_attribute = attribOtherHeader!!!!
        PRBool m_matchAll; // does this term match all headers?

protected:
	nsresult MatchString (const char *stringToMatch, const char *charset,
                          PRBool *pResult);
	nsresult OutputValue(nsCString &outputStr);
	nsresult ParseAttribute(char *inStream, nsMsgSearchAttribValue *attrib);
	nsresult ParseOperator(char *inStream, nsMsgSearchOpValue *value);
	nsresult ParseValue(char *inStream);
	nsresult InitHeaderAddressParser();
    nsresult InitializeAddressBook();
    nsresult MatchInAddressBook(const char * aAddress, PRBool *pResult);
    // fields used by search in address book
    nsCOMPtr <nsIAbMDBDirectory> mDirectory;  

    PRPackedBool mBeginsGrouping;
    PRPackedBool mEndsGrouping; 
};

#endif