gecko/parser/xml/public/nsISAXLocator.idl

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/* -*- 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.org code.
*
* The Initial Developer of the Original Code is Robert Sayre.
*
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#include "nsISupports.idl"
/**
* Interface for associating a SAX event with a document location.
*
* Note that the results returned by the object will be valid only
* during the scope of each callback method: the application will
* receive unpredictable results if it attempts to use the locator at
* any other time, or after parsing completes.
*/
[scriptable, uuid(7a307c6c-6cc9-11da-be43-001422106990)]
interface nsISAXLocator: nsISupports {
/**
* Return the column number where the current document event ends.
*
* Warning: The return value from the method is intended only as an
* approximation for the sake of diagnostics; it is not intended to
* provide sufficient information to edit the character content of
* the original XML document. For example, when lines contain
* combining character sequences, wide characters, surrogate pairs,
* or bi-directional text, the value may not correspond to the
* column in a text editor's display.
*
* The return value is an approximation of the column number in the
* document entity or external parsed entity where the markup
* triggering the event appears.
*
* If possible, the SAX driver should provide the line position of
* the first character after the text associated with the document
* event. The first column in each line is column 1.
*
* @return The column number, or -1 if none is available.
*/
readonly attribute long columnNumber;
/**
* Return the line number where the current document event ends.
* Lines are delimited by line ends, which are defined in the XML
* specification.
*
* Warning: The return value from the method is intended only as an
* approximation for the sake of diagnostics; it is not intended to
* provide sufficient information to edit the character content of
* the original XML document. In some cases, these "line" numbers
* match what would be displayed as columns, and in others they may
* not match the source text due to internal entity expansion.
*
* The return value is an approximation of the line number in the
* document entity or external parsed entity where the markup
* triggering the event appears.
*
* If possible, the SAX driver should provide the line position of
* the first character after the text associated with the document
* event. The first line is line 1.
*
* @return The line number, or -1 if none is available.
*/
readonly attribute long lineNumber;
/**
* Return the public identifier for the current document event.
*
* The return value is the public identifier of the document entity
* or of the external parsed entity in which the markup triggering
* the event appears.
*
* @return A string containing the public identifier, or
* null if none is available.
*/
readonly attribute AString publicId;
/**
* Return the system identifier for the current document event.
*
* The return value is the system identifier of the document entity
* or of the external parsed entity in which the markup triggering
* the event appears.
*
* @return A string containing the system identifier, or null
* if none is available.
*/
readonly attribute AString systemId;
};