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81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 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 Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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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 nsAboutProtocolUtils.
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*
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* The Initial Developer of the Original Code is the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* L. David Baron <dbaron@dbaron.org> (original author)
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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 MPL, 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 MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIURI.h"
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#include "nsString.h"
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#include "nsReadableUtils.h"
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#include "nsIAboutModule.h"
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inline nsresult
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NS_GetAboutModuleName(nsIURI *aAboutURI, nsCString& aModule)
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{
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#ifdef DEBUG
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{
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PRBool isAbout;
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NS_ASSERTION(NS_SUCCEEDED(aAboutURI->SchemeIs("about", &isAbout)) &&
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isAbout,
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"should be used only on about: URIs");
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}
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#endif
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nsresult rv = aAboutURI->GetPath(aModule);
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NS_ENSURE_SUCCESS(rv, rv);
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PRInt32 f = aModule.FindCharInSet(NS_LITERAL_CSTRING("#?"));
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if (f != kNotFound) {
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aModule.Truncate(f);
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}
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// convert to lowercase, as all about: modules are lowercase
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ToLowerCase(aModule);
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return NS_OK;
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}
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inline nsresult
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NS_GetAboutModule(nsIURI *aAboutURI, nsIAboutModule** aModule)
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{
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NS_PRECONDITION(aAboutURI, "Must have URI");
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nsCAutoString contractID;
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nsresult rv = NS_GetAboutModuleName(aAboutURI, contractID);
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if (NS_FAILED(rv)) return rv;
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// look up a handler to deal with "what"
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contractID.Insert(NS_LITERAL_CSTRING(NS_ABOUT_MODULE_CONTRACTID_PREFIX), 0);
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return CallGetService(contractID.get(), aModule);
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}
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