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128 lines
5.2 KiB
Plaintext
128 lines
5.2 KiB
Plaintext
/* -*- 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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is Robert Sayre.
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*
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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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*
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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 "nsISupports.idl"
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interface nsISAXLocator;
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/**
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* Basic interface for SAX error handlers.
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*
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* If a SAX application needs to implement customized error
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* handling, it must implement this interface and then register an
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* instance with the XML reader. The parser will then report all
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* errors and warnings through this interface.
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*
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* WARNING: If an application does not register an ErrorHandler,
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* XML parsing errors will go unreported. In order to detect validity
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* errors, an ErrorHandler that does something with error() calls must
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* be registered.
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*
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*/
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[scriptable, uuid(e02b6693-6cca-11da-be43-001422106990)]
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interface nsISAXErrorHandler: nsISupports {
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/**
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* Receive notification of a recoverable error.
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*
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* This corresponds to the definition of "error" in section 1.2
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* of the W3C XML 1.0 Recommendation. For example, a validating
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* parser would use this callback to report the violation of a
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* validity constraint. The default behaviour is to take no
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* action.
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*
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* The SAX parser must continue to provide normal parsing events
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* after invoking this method: it should still be possible for the
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* application to process the document through to the end. If the
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* application cannot do so, then the parser should report a fatal
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* error even if the XML recommendation does not require it to do
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* so.
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*
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* Filters may use this method to report other, non-XML errors as
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* well.
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*
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* @param locator The locator object for the error (may be null).
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* @param error The error message.
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*/
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void error(in nsISAXLocator locator, in AString error);
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/**
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* Receive notification of a non-recoverable error.
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*
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* There is an apparent contradiction between the documentation
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* for this method and the documentation for
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* ContentHandler.endDocument(). Until this ambiguity is resolved in
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* a future major release, clients should make no assumptions about
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* whether endDocument() will or will not be invoked when the parser
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* has reported a fatalError() or thrown an exception.
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*
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* This corresponds to the definition of "fatal error" in section
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* 1.2 of the W3C XML 1.0 Recommendation. For example, a parser
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* would use this callback to report the violation of a
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* well-formedness constraint.
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*
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* The application must assume that the document is unusable
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* after the parser has invoked this method, and should continue (if
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* at all) only for the sake of collecting additional error
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* messages: in fact, SAX parsers are free to stop reporting any
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* other events once this method has been invoked.
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*
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* @param locator The locator object for the error (may be null).
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* @param error The error message.
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*/
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void fatalError(in nsISAXLocator locator, in AString error);
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/**
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* Receive notification of a warning.
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*
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* SAX parsers will use this method to report conditions that are
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* not errors or fatal errors as defined by the XML
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* recommendation. The default behaviour is to take no action.
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*
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* The SAX parser must continue to provide normal parsing events
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* after invoking this method: it should still be possible for the
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* application to process the document through to the end.
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*
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* Filters may use this method to report other, non-XML warnings
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* as well.
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*
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* @param locator The locator object for the warning (may be null).
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* @param error The warning message.
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*/
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void ignorableWarning(in nsISAXLocator locator, in AString error);
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};
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