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96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Brian Stell <bstell@ix.netcom.com>
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef NSNAMEVALUEPAIRDB_H
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#define NSNAMEVALUEPAIRDB_H
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#include "nsString.h"
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#define FC_BUF_LEN 1024
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#define NVPDB_MIN_BUFLEN 100
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//
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// Errors
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//
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#define NVPDB_END_OF_FILE 0
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#define NVPDB_BUFFER_TOO_SMALL -1
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#define NVPDB_END_OF_GROUP -2
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#define NVPDB_FILE_IO_ERROR -3
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#define NVPDB_GARBLED_LINE -4
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class nsNameValuePairDB {
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public:
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nsNameValuePairDB();
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~nsNameValuePairDB();
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inline PRBool HadError() { return mError; };
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// implement this to re-read an element if it is larger than the buffer
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// PRInt32 GetCurrentElement(const char** aName, const char** aValue,
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// char *aBuffer, PRUint32 aBufferLen);
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PRBool GetNextGroup(const char** aType);
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PRBool GetNextGroup(const char** aType, const char* aName);
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PRBool GetNextGroup(const char** aType, const char* aName, int aLen);
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PRInt32 GetNextElement(const char** aName, const char** aValue);
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PRInt32 GetNextElement(const char** aName, const char** aValue,
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char *aBuffer, PRUint32 aBufferLen);
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PRBool OpenForRead(const nsACString& aCatalogName); // native charset
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PRBool OpenTmpForWrite(const nsACString& aCatalogName); // native charset
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PRBool PutElement(const char* aName, const char* aValue);
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PRBool PutEndGroup(const char* aType);
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PRBool PutStartGroup(const char* aType);
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PRBool RenameTmp(const char* aCatalogName);
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protected:
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PRBool CheckHeader();
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PRUint16 mMajorNum;
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PRUint16 mMinorNum;
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PRUint16 mMaintenanceNum;
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FILE* mFile;
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char mBuf[FC_BUF_LEN];
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PRInt32 mCurrentGroup;
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PRPackedBool mAtEndOfGroup;
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PRPackedBool mAtEndOfCatalog;
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PRPackedBool mError;
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private:
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};
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#endif /* NSNAMEVALUEPAIRDB_H */
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