2001-09-29 00:14:13 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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1999-12-29 23:55:42 +03:00
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*
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2001-09-29 00:14:13 +04:00
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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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1999-12-29 23:55:42 +03:00
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*
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2001-09-29 00:14:13 +04:00
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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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1999-12-29 23:55:42 +03:00
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*
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* The Original Code is mozilla.org code.
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*
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2001-09-29 00:14:13 +04:00
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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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1999-12-29 23:55:42 +03:00
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*
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2001-09-29 00:14:13 +04:00
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* Contributor(s):
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1999-12-29 23:55:42 +03:00
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* Pierre Phaneuf <pp@ludusdesign.com>
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2001-09-29 00:14:13 +04:00
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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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1999-12-29 23:55:42 +03:00
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#define NS_IMPL_IDS
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#include "nsPersistentProperties.h"
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#include "nsID.h"
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#include "nsCRT.h"
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2001-09-29 12:28:41 +04:00
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#include "nsReadableUtils.h"
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1999-12-29 23:55:42 +03:00
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#include "nsIInputStream.h"
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#include "nsIProperties.h"
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#include "nsIUnicharInputStream.h"
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#include "nsProperties.h"
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#include "pratom.h"
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2000-05-02 09:08:39 +04:00
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#include "nsEnumeratorUtils.h"
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2001-09-30 08:01:15 +04:00
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#include "nsReadableUtils.h"
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1999-12-29 23:55:42 +03:00
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static PLHashNumber
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HashKey(const PRUnichar *aString)
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{
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2000-08-21 01:29:10 +04:00
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return (PLHashNumber) nsCRT::HashCode(aString);
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1999-12-29 23:55:42 +03:00
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}
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static PRIntn
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CompareKeys(const PRUnichar *aStr1, const PRUnichar *aStr2)
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{
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return nsCRT::strcmp(aStr1, aStr2) == 0;
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}
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nsPersistentProperties::nsPersistentProperties()
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{
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NS_INIT_REFCNT();
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mIn = nsnull;
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mSubclass = NS_STATIC_CAST(nsIPersistentProperties*, this);
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2000-03-22 05:43:48 +03:00
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mTable = PL_NewHashTable(128, (PLHashFunction) HashKey,
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1999-12-29 23:55:42 +03:00
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(PLHashComparator) CompareKeys,
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(PLHashComparator) nsnull, nsnull, nsnull);
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}
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PR_STATIC_CALLBACK(PRIntn)
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FreeHashEntries(PLHashEntry* he, PRIntn i, void* arg)
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{
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nsCRT::free((PRUnichar*)he->key);
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nsCRT::free((PRUnichar*)he->value);
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return HT_ENUMERATE_REMOVE;
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}
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nsPersistentProperties::~nsPersistentProperties()
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{
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if (mTable) {
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// Free the PRUnicode* pointers contained in the hash table entries
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PL_HashTableEnumerateEntries(mTable, FreeHashEntries, 0);
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PL_HashTableDestroy(mTable);
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mTable = nsnull;
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}
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}
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NS_METHOD
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nsPersistentProperties::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
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{
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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nsPersistentProperties* props = new nsPersistentProperties();
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if (props == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(props);
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nsresult rv = props->QueryInterface(aIID, aResult);
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NS_RELEASE(props);
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return rv;
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}
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2000-05-27 00:59:04 +04:00
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NS_IMPL_THREADSAFE_ISUPPORTS2(nsPersistentProperties, nsIPersistentProperties, nsIProperties)
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1999-12-29 23:55:42 +03:00
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NS_IMETHODIMP
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nsPersistentProperties::Load(nsIInputStream *aIn)
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{
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PRInt32 c;
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2001-12-04 04:10:43 +03:00
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nsresult ret = NS_NewUTF8ConverterStream(&mIn, aIn, 0);
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1999-12-29 23:55:42 +03:00
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if (ret != NS_OK) {
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2000-10-29 02:17:53 +04:00
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#ifdef NS_DEBUG
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printf("NS_NewConverterStream failed\n");
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#endif
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1999-12-29 23:55:42 +03:00
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return NS_ERROR_FAILURE;
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}
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c = Read();
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while (1) {
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c = SkipWhiteSpace(c);
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if (c < 0) {
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break;
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}
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else if ((c == '#') || (c == '!')) {
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c = SkipLine(c);
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continue;
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}
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else {
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2000-04-01 04:39:02 +04:00
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nsAutoString key;
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1999-12-29 23:55:42 +03:00
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while ((c >= 0) && (c != '=') && (c != ':')) {
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key.Append((PRUnichar) c);
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c = Read();
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}
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if (c < 0) {
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break;
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}
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2001-11-07 09:24:10 +03:00
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static const char trimThese[] = " \t";
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1999-12-29 23:55:42 +03:00
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key.Trim(trimThese, PR_FALSE, PR_TRUE);
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c = Read();
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2000-04-01 04:39:02 +04:00
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nsAutoString value;
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2000-07-11 23:14:59 +04:00
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PRUint32 state = 0;
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PRUnichar uchar = 0;
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1999-12-29 23:55:42 +03:00
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while ((c >= 0) && (c != '\r') && (c != '\n')) {
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2000-07-11 23:14:59 +04:00
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switch(state) {
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case 0:
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if (c == '\\') {
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c = Read();
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switch(c) {
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case '\r':
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case '\n':
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c = SkipWhiteSpace(c);
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value.Append((PRUnichar) c);
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break;
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case 'u':
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case 'U':
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state = 1;
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uchar=0;
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break;
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case 't':
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2001-12-16 14:58:03 +03:00
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value.Append(PRUnichar('\t'));
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2000-07-11 23:14:59 +04:00
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break;
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case 'n':
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2001-12-16 14:58:03 +03:00
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value.Append(PRUnichar('\n'));
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2000-07-11 23:14:59 +04:00
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break;
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case 'r':
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2001-12-16 14:58:03 +03:00
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value.Append(PRUnichar('\r'));
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2000-07-11 23:14:59 +04:00
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break;
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default:
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value.Append((PRUnichar) c);
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} // switch(c)
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} else {
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value.Append((PRUnichar) c);
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}
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c = Read();
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break;
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case 1:
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case 2:
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case 3:
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case 4:
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if(('0' <= c) && (c <= '9')) {
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uchar = (uchar << 4) | (c - '0');
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state++;
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c = Read();
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} else if(('a' <= c) && (c <= 'f')) {
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uchar = (uchar << 4) | (c - 'a' + 0x0a);
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state++;
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c = Read();
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} else if(('A' <= c) && (c <= 'F')) {
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uchar = (uchar << 4) | (c - 'A' + 0x0a);
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state++;
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c = Read();
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} else {
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value.Append((PRUnichar) uchar);
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state = 0;
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}
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break;
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case 5:
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value.Append((PRUnichar) uchar);
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state = 0;
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1999-12-29 23:55:42 +03:00
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}
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}
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2000-07-11 23:14:59 +04:00
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if(state != 0) {
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value.Append((PRUnichar) uchar);
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state = 0;
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}
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1999-12-29 23:55:42 +03:00
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value.Trim(trimThese, PR_TRUE, PR_TRUE);
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2000-04-01 04:39:02 +04:00
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nsAutoString oldValue;
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1999-12-29 23:55:42 +03:00
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mSubclass->SetStringProperty(key, value, oldValue);
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}
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}
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mIn->Close();
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NS_RELEASE(mIn);
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NS_ASSERTION(!mIn, "unexpected remaining reference");
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return NS_OK;
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}
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NS_IMETHODIMP
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2001-09-30 08:01:15 +04:00
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nsPersistentProperties::SetStringProperty(const nsAString& aKey, nsAString& aNewValue,
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nsAString& aOldValue)
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1999-12-29 23:55:42 +03:00
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{
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#if 0
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2001-09-29 12:28:41 +04:00
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cout << "will add " << NS_LossyConvertUCS2toASCII(aKey).get() << "=" << NS_LossyConvertUCS2ToASCII(aNewValue).get() << endl;
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1999-12-29 23:55:42 +03:00
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#endif
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if (!mTable) {
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return NS_ERROR_FAILURE;
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}
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2001-09-30 08:01:15 +04:00
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const nsPromiseFlatString& keyStr = PromiseFlatString(aKey);
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const PRUnichar *key = keyStr.get();
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2000-08-21 01:29:10 +04:00
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PRUint32 len;
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PRUint32 hashValue = nsCRT::HashCode(key, &len);
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1999-12-29 23:55:42 +03:00
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PLHashEntry **hep = PL_HashTableRawLookup(mTable, hashValue, key);
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PLHashEntry *he = *hep;
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if (he) {
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// XXX should we copy the old value to aOldValue, and then remove it?
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2000-10-29 02:17:53 +04:00
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#ifdef NS_DEBUG
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2001-09-30 08:01:15 +04:00
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printf("warning: property %s already exists\n",
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NS_ConvertUCS2toUTF8(aKey).get());
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1999-12-29 23:55:42 +03:00
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#endif
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return NS_OK;
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}
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2001-09-29 12:28:41 +04:00
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PL_HashTableRawAdd(mTable, hep, hashValue, ToNewUnicode(aKey),
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ToNewUnicode(aNewValue));
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1999-12-29 23:55:42 +03:00
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPersistentProperties::Save(nsIOutputStream* aOut, const nsString& aHeader)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsPersistentProperties::Subclass(nsIPersistentProperties* aSubclass)
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{
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if (aSubclass) {
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mSubclass = aSubclass;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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2001-09-30 08:01:15 +04:00
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nsPersistentProperties::GetStringProperty(const nsAString& aKey, nsAString& aValue)
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1999-12-29 23:55:42 +03:00
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{
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if (!mTable)
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return NS_ERROR_FAILURE;
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2001-09-30 08:01:15 +04:00
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const nsPromiseFlatString& keyStr = PromiseFlatString(aKey);
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const PRUnichar *key = keyStr.get();
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1999-12-29 23:55:42 +03:00
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2000-08-21 01:29:10 +04:00
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PRUint32 len;
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PRUint32 hashValue = nsCRT::HashCode(key, &len);
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1999-12-29 23:55:42 +03:00
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PLHashEntry **hep = PL_HashTableRawLookup(mTable, hashValue, key);
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PLHashEntry *he = *hep;
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if (he) {
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aValue = (const PRUnichar*)he->value;
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return NS_OK;
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}
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return NS_ERROR_FAILURE;
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}
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PR_STATIC_CALLBACK(PRIntn)
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AddElemToArray(PLHashEntry* he, PRIntn i, void* arg)
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{
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nsISupportsArray *propArray = (nsISupportsArray *) arg;
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2001-12-04 04:10:43 +03:00
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nsPropertyElement *element =
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new nsPropertyElement((PRUnichar*)he->key,
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(PRUnichar*)he->value);
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1999-12-29 23:55:42 +03:00
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if (!element)
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return HT_ENUMERATE_STOP;
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NS_ADDREF(element);
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propArray->InsertElementAt(element, i);
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return HT_ENUMERATE_NEXT;
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}
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NS_IMETHODIMP
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nsPersistentProperties::EnumerateProperties(nsIBidirectionalEnumerator** aResult)
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{
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2000-05-02 09:08:39 +04:00
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if (!mTable)
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return NS_ERROR_FAILURE;
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nsISupportsArray* propArray;
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nsresult rv = NS_NewISupportsArray(&propArray);
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if (rv != NS_OK)
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return rv;
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// Step through hash entries populating a transient array
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PRIntn n = PL_HashTableEnumerateEntries(mTable, AddElemToArray, (void *)propArray);
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if ( n < (PRIntn) mTable->nentries )
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return NS_ERROR_OUT_OF_MEMORY;
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// Convert array into enumerator
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rv = NS_NewISupportsArrayEnumerator(propArray, aResult);
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if (rv != NS_OK)
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return rv;
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return NS_OK;
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}
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NS_IMETHODIMP
|
|
|
|
nsPersistentProperties::SimpleEnumerateProperties(nsISimpleEnumerator** aResult)
|
|
|
|
{
|
|
|
|
nsCOMPtr<nsIBidirectionalEnumerator> iterator;
|
|
|
|
|
|
|
|
if (!mTable)
|
|
|
|
return NS_ERROR_FAILURE;
|
1999-12-29 23:55:42 +03:00
|
|
|
|
2000-05-02 09:08:39 +04:00
|
|
|
nsISupportsArray* propArray;
|
|
|
|
nsresult rv = NS_NewISupportsArray(&propArray);
|
|
|
|
if (rv != NS_OK)
|
|
|
|
return rv;
|
1999-12-29 23:55:42 +03:00
|
|
|
|
2000-05-02 09:08:39 +04:00
|
|
|
// Step through hash entries populating a transient array
|
1999-12-29 23:55:42 +03:00
|
|
|
PRIntn n = PL_HashTableEnumerateEntries(mTable, AddElemToArray, (void *)propArray);
|
|
|
|
if ( n < (PRIntn) mTable->nentries )
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
|
2000-05-02 09:08:39 +04:00
|
|
|
// Convert array into enumerator
|
|
|
|
rv = NS_NewISupportsArrayEnumerator(propArray, getter_AddRefs(iterator));
|
|
|
|
// Convert nsIEnumerator into nsISimpleEnumerator
|
|
|
|
rv = NS_NewAdapterEnumerator(aResult, iterator);
|
|
|
|
|
|
|
|
if (rv != NS_OK)
|
|
|
|
return rv;
|
1999-12-29 23:55:42 +03:00
|
|
|
|
2000-05-02 09:08:39 +04:00
|
|
|
return NS_OK;
|
1999-12-29 23:55:42 +03:00
|
|
|
}
|
|
|
|
|
2000-05-02 09:08:39 +04:00
|
|
|
|
1999-12-29 23:55:42 +03:00
|
|
|
PRInt32
|
|
|
|
nsPersistentProperties::Read()
|
|
|
|
{
|
|
|
|
PRUnichar c;
|
|
|
|
PRUint32 nRead;
|
|
|
|
nsresult ret;
|
|
|
|
|
|
|
|
ret = mIn->Read(&c, 0, 1, &nRead);
|
|
|
|
if (ret == NS_OK && nRead == 1) {
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define IS_WHITE_SPACE(c) \
|
|
|
|
(((c) == ' ') || ((c) == '\t') || ((c) == '\r') || ((c) == '\n'))
|
|
|
|
|
|
|
|
PRInt32
|
|
|
|
nsPersistentProperties::SkipWhiteSpace(PRInt32 c)
|
|
|
|
{
|
|
|
|
while ((c >= 0) && IS_WHITE_SPACE(c)) {
|
|
|
|
c = Read();
|
|
|
|
}
|
|
|
|
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
|
|
|
|
PRInt32
|
|
|
|
nsPersistentProperties::SkipLine(PRInt32 c)
|
|
|
|
{
|
|
|
|
while ((c >= 0) && (c != '\r') && (c != '\n')) {
|
|
|
|
c = Read();
|
|
|
|
}
|
|
|
|
if (c == '\r') {
|
|
|
|
c = Read();
|
|
|
|
}
|
|
|
|
if (c == '\n') {
|
|
|
|
c = Read();
|
|
|
|
}
|
|
|
|
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// XXX Some day we'll unify the nsIPersistentProperties interface with
|
|
|
|
// nsIProperties, but until now...
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPersistentProperties::Define(const char* prop, nsISupports* initialValue)
|
|
|
|
{
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPersistentProperties::Undefine(const char* prop)
|
|
|
|
{
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPersistentProperties::Get(const char* prop, const nsIID & uuid, void* *result)
|
|
|
|
{
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPersistentProperties::Set(const char* prop, nsISupports* value)
|
|
|
|
{
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2000-01-07 02:02:32 +03:00
|
|
|
nsPersistentProperties::Has(const char* prop, PRBool *result)
|
1999-12-29 23:55:42 +03:00
|
|
|
{
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// PropertyElement
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
|
|
|
|
NS_METHOD
|
|
|
|
nsPropertyElement::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
|
|
|
|
{
|
|
|
|
if (aOuter)
|
|
|
|
return NS_ERROR_NO_AGGREGATION;
|
|
|
|
nsPropertyElement* propElem = new nsPropertyElement();
|
|
|
|
if (propElem == nsnull)
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
NS_ADDREF(propElem);
|
|
|
|
nsresult rv = propElem->QueryInterface(aIID, aResult);
|
|
|
|
NS_RELEASE(propElem);
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMPL_ISUPPORTS1(nsPropertyElement, nsIPropertyElement)
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2000-05-02 09:08:39 +04:00
|
|
|
nsPropertyElement::GetKey(PRUnichar **aReturnKey)
|
1999-12-29 23:55:42 +03:00
|
|
|
{
|
2000-05-02 09:08:39 +04:00
|
|
|
if (aReturnKey)
|
|
|
|
{
|
2001-12-04 04:10:43 +03:00
|
|
|
*aReturnKey = ToNewUnicode(mKey);
|
2000-05-02 09:08:39 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
1999-12-29 23:55:42 +03:00
|
|
|
|
2000-05-02 09:08:39 +04:00
|
|
|
return NS_ERROR_INVALID_POINTER;
|
1999-12-29 23:55:42 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2000-05-02 09:08:39 +04:00
|
|
|
nsPropertyElement::GetValue(PRUnichar **aReturnValue)
|
1999-12-29 23:55:42 +03:00
|
|
|
{
|
2000-05-02 09:08:39 +04:00
|
|
|
if (aReturnValue)
|
|
|
|
{
|
2001-12-04 04:10:43 +03:00
|
|
|
*aReturnValue = ToNewUnicode(mValue);
|
2000-05-02 09:08:39 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
1999-12-29 23:55:42 +03:00
|
|
|
|
2000-05-02 09:08:39 +04:00
|
|
|
return NS_ERROR_INVALID_POINTER;
|
1999-12-29 23:55:42 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2001-12-04 04:10:43 +03:00
|
|
|
nsPropertyElement::SetKey(const PRUnichar* aKey)
|
1999-12-29 23:55:42 +03:00
|
|
|
{
|
2000-05-02 09:08:39 +04:00
|
|
|
mKey = aKey;
|
|
|
|
return NS_OK;
|
1999-12-29 23:55:42 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2001-12-04 04:10:43 +03:00
|
|
|
nsPropertyElement::SetValue(const PRUnichar* aValue)
|
1999-12-29 23:55:42 +03:00
|
|
|
{
|
2000-05-02 09:08:39 +04:00
|
|
|
mValue = aValue;
|
|
|
|
return NS_OK;
|
1999-12-29 23:55:42 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|