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nsLocalSearchService.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00015  * The Original Code is mozilla.org code.
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00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
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00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
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00037 
00038 #ifndef localsearchdb___h_____
00039 #define localsearchdb___h_____
00040 
00041 #include "nsISupportsArray.h"
00042 #include "nsCOMPtr.h"
00043 #include "nsIRDFDataSource.h"
00044 #include "nsString.h"
00045 #include "nsIRDFNode.h"
00046 #include "nsIRDFService.h"
00047 #include "nsISearchService.h"
00048 
00049 typedef       struct _findTokenStruct
00050 {
00051        const char           *token;
00052        nsString          value;
00053 } findTokenStruct, *findTokenPtr;
00054 
00055 
00056 class LocalSearchDataSource : public nsIRDFDataSource
00057 {
00058 private:
00059        nsCOMPtr<nsISupportsArray> mObservers;
00060 
00061        static PRInt32              gRefCnt;
00062 
00063     // pseudo-constants
00064        static nsIRDFResource       *kNC_Child;
00065        static nsIRDFResource       *kNC_Name;
00066        static nsIRDFResource       *kNC_URL;
00067        static nsIRDFResource       *kNC_FindObject;
00068        static nsIRDFResource       *kNC_pulse;
00069        static nsIRDFResource       *kRDF_InstanceOf;
00070        static nsIRDFResource       *kRDF_type;
00071 
00072 protected:
00073 
00074        NS_METHOD     getFindResults(nsIRDFResource *source, nsISimpleEnumerator** aResult);
00075        NS_METHOD     getFindName(nsIRDFResource *source, nsIRDFLiteral** aResult);
00076        NS_METHOD     parseResourceIntoFindTokens(nsIRDFResource *u, findTokenPtr tokens);
00077 
00078     // matching functions, based on type
00079        PRBool doMatch(nsIRDFLiteral  *literal,
00080                    const nsAString& matchMethod,
00081                    const nsString& matchText);
00082     PRBool matchNode(nsIRDFNode *aNode,
00083                      const nsAString& matchMethod,
00084                      const nsString& matchText);
00085     
00086        PRBool doDateMatch(nsIRDFDate *literal,
00087                        const nsAString& matchMethod,
00088                        const nsAString& matchText);
00089        PRBool doIntMatch (nsIRDFInt  *literal,
00090                        const nsAString& matchMethod,
00091                        const nsString& matchText);
00092 
00093     PRBool dateMatches(nsIRDFDate *literal,
00094                        const nsAString& method,
00095                        const PRInt64& matchDate);
00096     
00097     NS_METHOD   parseDate(const nsAString& aDate, PRInt64* aResult);
00098     
00099        NS_METHOD     parseFindURL(nsIRDFResource *u, nsISupportsArray *array);
00100 
00101 public:
00102        LocalSearchDataSource(void);
00103        virtual              ~LocalSearchDataSource(void);
00104        nsresult      Init();
00105 
00106        NS_DECL_ISUPPORTS
00107        NS_DECL_NSILOCALSEARCHSERVICE
00108     NS_DECL_NSIRDFDATASOURCE
00109 };
00110 
00111 #endif // localsearchdb___h_____