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80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License (the "GPL"), in which case the
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* provisions of the GPL are applicable instead of those above.
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* If you wish to allow use of your version of this file only
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* under the terms of the GPL and not to allow others to use your
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* version of this file under the NPL, indicate your decision by
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* deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the NPL or the GPL.
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*/
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/* Classes to manage lookup of static names in a table. */
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#ifndef nsStaticNameTable_h___
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#define nsStaticNameTable_h___
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#include "nsHashtable.h"
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/* This class supports case insensitve lookup.
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*
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* It differs from atom tables:
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* - It supports case insensitive lookup.
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* - It has minimal footprint by not copying the string table.
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* - It does no locking.
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* - It returns zero based indexes and const nsCSring& as required by its
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* callers in the parser.
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* - It is not an xpcom interface - meant for fast lookup in static tables.
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*
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* ***REQUIREMENTS***
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* - It *requires* that all entries in the table be lowewcase only.
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* - It *requires* that the table of strings be in memory that lives at least
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* as long as this table object - typically a static string array.
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*/
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class NS_COM nsStaticCaseInsensitiveNameTable
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{
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public:
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enum { NOT_FOUND = -1 };
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PRBool Init(const char* Names[], PRInt32 Count);
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PRInt32 Lookup(const nsCString& aName);
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PRInt32 Lookup(const nsString& aName);
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const nsCString& GetStringValue(PRInt32 index);
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PRBool IsNullString(const nsCString& s) {return s == mNullStr;}
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nsStaticCaseInsensitiveNameTable();
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~nsStaticCaseInsensitiveNameTable();
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private:
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nsCString* mNameArray;
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nsHashtable* mNameTable;
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PRInt32 mCount;
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nsCString mNullStr;
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};
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#endif /* nsStaticNameTable_h___ */
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