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118 lines
3.6 KiB
C++
118 lines
3.6 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: 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 mozila.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dave Camp <dcamp@mozilla.com>
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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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#ifndef nsDOMFile_h__
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#define nsDOMFile_h__
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#include "nsICharsetDetectionObserver.h"
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#include "nsIDOMFile.h"
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#include "nsIDOMFileList.h"
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#include "nsIInputStream.h"
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#include "nsCOMArray.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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class nsIDOMDocument;
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class nsIFile;
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class nsIInputStream;
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class nsDOMFile : public nsIDOMFile,
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public nsICharsetDetectionObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMFILE
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nsDOMFile(nsIFile *aFile)
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: mFile(aFile)
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{}
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~nsDOMFile() {}
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// from nsICharsetDetectionObserver
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NS_IMETHOD Notify(const char *aCharset, nsDetectionConfident aConf);
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private:
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nsCOMPtr<nsIFile> mFile;
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nsString mContentType;
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nsCString mCharset;
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nsresult GuessCharset(nsIInputStream *aStream,
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nsACString &aCharset);
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nsresult ConvertStream(nsIInputStream *aStream, const char *aCharset,
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nsAString &aResult);
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};
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class nsDOMFileList : public nsIDOMFileList
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMFILELIST
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PRBool Append(nsIDOMFile *aFile) { return mFiles.AppendObject(aFile); }
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PRBool Remove(PRUint32 aIndex) { return mFiles.RemoveObjectAt(aIndex); }
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void Clear() { return mFiles.Clear(); }
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nsIDOMFile* GetItemAt(PRUint32 aIndex)
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{
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return mFiles.SafeObjectAt(aIndex);
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}
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static nsDOMFileList* FromSupports(nsISupports* aSupports)
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{
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#ifdef DEBUG
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{
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nsCOMPtr<nsIDOMFileList> list_qi = do_QueryInterface(aSupports);
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// If this assertion fires the QI implementation for the object in
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// question doesn't use the nsIDOMFileList pointer as the nsISupports
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// pointer. That must be fixed, or we'll crash...
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NS_ASSERTION(list_qi == static_cast<nsIDOMFileList*>(aSupports),
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"Uh, fix QI!");
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}
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#endif
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return static_cast<nsDOMFileList*>(aSupports);
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}
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private:
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nsCOMArray<nsIDOMFile> mFiles;
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};
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#endif
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