/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at
http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIScriptError;
/**
* This interface should be implemented by any content sink that wants
* to get output from expat and do something with it; in other words,
* by any sink that handles some sort of XML dialect.
*/
[scriptable, uuid(01f681af-0f22-4725-a914-0d396114daf0)]
interface nsIExpatSink : nsISupports
{
/**
* Called to handle the opening tag of an element.
* @param aName the fully qualified tagname of the element
* @param aAtts the array of attribute names and values. There are
* aAttsCount/2 names and aAttsCount/2 values, so the total number of
* elements in the array is aAttsCount. The names and values
* alternate. Thus, if we number attributes starting with 0,
* aAtts[2*k] is the name of the k-th attribute and aAtts[2*k+1] is
* the value of that attribute Both explicitly specified attributes
* and attributes that are defined to have default values in a DTD are
* present in aAtts.
* @param aAttsCount the number of elements in aAtts.
* @param aLineNumber the line number of the start tag in the data stream.
* @param aColumnNumber the 0-origin column number of the start tag in the
* data stream.
*/
void HandleStartElement(in wstring aName,
[array, size_is(aAttsCount)] in wstring aAtts,
in unsigned long aAttsCount,
in unsigned long aLineNumber,
in unsigned long aColumnNumber);
/**
* Called to handle the closing tag of an element.
* @param aName the fully qualified tagname of the element
*/
void HandleEndElement(in wstring aName);
/**
* Called to handle a comment
* @param aCommentText the text of the comment (not including the
* "<!--" and "-->")
*/
void HandleComment(in wstring aCommentText);
/**
* Called to handle a CDATA section
* @param aData the text in the CDATA section. This is null-terminated.
* @param aLength the length of the aData string
*/
void HandleCDataSection([size_is(aLength)] in wstring aData,
in unsigned long aLength);
/**
* Called to handle the doctype declaration
*/
void HandleDoctypeDecl(in AString aSubset,
in AString aName,
in AString aSystemId,
in AString aPublicId,
in nsISupports aCatalogData);
/**
* Called to handle character data. Note that this does NOT get
* called for the contents of CDATA sections.
* @param aData the data to handle. aData is NOT NULL-TERMINATED.
* @param aLength the length of the aData string
*/
void HandleCharacterData([size_is(aLength)] in wstring aData,
in unsigned long aLength);
/**
* Called to handle a processing instruction
* @param aTarget the PI target (e.g. xml-stylesheet)
* @param aData all the rest of the data in the PI
*/
void HandleProcessingInstruction(in wstring aTarget,
in wstring aData);
/**
* Handle the XML Declaration.
*
* @param aVersion The version string, can be null if not specified.
* @param aEncoding The encoding string, can be null if not specified.
* @param aStandalone -1, 0, or 1 indicating respectively that there was no
* standalone parameter in the declaration, that it was
* given as no, or that it was given as yes.
*/
void HandleXMLDeclaration(in wstring aVersion,
in wstring aEncoding,
in long aStandalone);
/**
* Ask the content sink if the expat driver should log an error to the console.
*
* @param aErrorText Error message to pass to content sink.
* @param aSourceText Source text of the document we're parsing.
* @param aError Script error object with line number & column number
*
* @retval True if the expat driver should report the error.
*/
boolean ReportError(in wstring aErrorText,
in wstring aSourceText,
in nsIScriptError aError);
};
