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-rw-r--r-- | src/libs/xpcom18a4/xpcom/ds/nsStaticNameTable.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/ds/nsStaticNameTable.h b/src/libs/xpcom18a4/xpcom/ds/nsStaticNameTable.h new file mode 100644 index 00000000..154a1c9d --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/ds/nsStaticNameTable.h @@ -0,0 +1,81 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* Classes to manage lookup of static names in a table. */ + +#ifndef nsStaticNameTable_h___ +#define nsStaticNameTable_h___ + +#include "pldhash.h" +/* This class supports case insensitive lookup. + * + * It differs from atom tables: + * - It supports case insensitive lookup. + * - It has minimal footprint by not copying the string table. + * - It does no locking. + * - It returns zero based indexes and const nsCString& as required by its + * callers in the parser. + * - It is not an xpcom interface - meant for fast lookup in static tables. + * + * ***REQUIREMENTS*** + * - It *requires* that all entries in the table be lowercase only. + * - It *requires* that the table of strings be in memory that lives at least + * as long as this table object - typically a static string array. + */ + +class NS_COM nsStaticCaseInsensitiveNameTable +{ +public: + enum { NOT_FOUND = -1 }; + + PRBool Init(const char* const aNames[], PRInt32 Count); + PRInt32 Lookup(const nsACString& aName); + PRInt32 Lookup(const nsAString& aName); + const nsAFlatCString& GetStringValue(PRInt32 index); + + nsStaticCaseInsensitiveNameTable(); + ~nsStaticCaseInsensitiveNameTable(); + +private: + nsDependentCString* mNameArray; + PLDHashTable mNameTable; + nsDependentCString mNullStr; +}; + +#endif /* nsStaticNameTable_h___ */ |