mirror of
https://github.com/pocoproject/poco.git
synced 2024-12-14 11:06:57 +01:00
114 lines
4.8 KiB
C++
114 lines
4.8 KiB
C++
//
|
|
// DeclHandler.h
|
|
//
|
|
// $Id: //poco/Main/XML/include/Poco/SAX/DeclHandler.h#2 $
|
|
//
|
|
// Library: XML
|
|
// Package: SAX
|
|
// Module: SAX
|
|
//
|
|
// SAX2-ext DeclHandler Interface.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person or organization
|
|
// obtaining a copy of the software and accompanying documentation covered by
|
|
// this license (the "Software") to use, reproduce, display, distribute,
|
|
// execute, and transmit the Software, and to prepare derivative works of the
|
|
// Software, and to permit third-parties to whom the Software is furnished to
|
|
// do so, all subject to the following:
|
|
//
|
|
// The copyright notices in the Software and this entire statement, including
|
|
// the above license grant, this restriction and the following disclaimer,
|
|
// must be included in all copies of the Software, in whole or in part, and
|
|
// all derivative works of the Software, unless such copies or derivative
|
|
// works are solely in the form of machine-executable object code generated by
|
|
// a source language processor.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
//
|
|
|
|
|
|
#ifndef SAX_DeclHandler_INCLUDED
|
|
#define SAX_DeclHandler_INCLUDED
|
|
|
|
|
|
#include "Poco/XML/XML.h"
|
|
#include "Poco/XML/XMLString.h"
|
|
|
|
|
|
namespace Poco {
|
|
namespace XML {
|
|
|
|
|
|
class XML_API DeclHandler
|
|
/// This is an optional extension handler for SAX2 to provide information
|
|
/// about DTD declarations in an XML document. XML
|
|
/// readers are not required to support this handler, and this handler is
|
|
/// not included in the core SAX2 distribution.
|
|
///
|
|
/// Note that data-related DTD declarations (unparsed entities and notations)
|
|
/// are already reported through the DTDHandler interface.
|
|
/// If you are using the declaration handler together with a lexical handler,
|
|
/// all of the events will occur between the startDTD and the endDTD events.
|
|
/// To set the DeclHandler for an XML reader, use the setProperty method
|
|
/// with the propertyId "http://xml.org/sax/properties/declaration-handler".
|
|
/// If the reader does not support declaration events, it will throw a
|
|
/// SAXNotRecognizedException or a SAXNotSupportedException when you attempt to
|
|
/// register the handler.
|
|
{
|
|
public:
|
|
virtual void attributeDecl(const XMLString& eName, const XMLString& aName, const XMLString* valueDefault, const XMLString* value) = 0;
|
|
/// Report an attribute type declaration.
|
|
///
|
|
/// Only the effective (first) declaration for an attribute will be reported.
|
|
/// The type will be one of the strings "CDATA", "ID", "IDREF", "IDREFS",
|
|
/// "NMTOKEN", "NMTOKENS", "ENTITY", "ENTITIES", a parenthesized token group
|
|
/// with the separator "|" and all whitespace removed, or the word "NOTATION"
|
|
/// followed by a space followed by a parenthesized token group with all whitespace
|
|
/// removed.
|
|
///
|
|
/// The value will be the value as reported to applications, appropriately normalized
|
|
/// and with entity and character references expanded.
|
|
|
|
virtual void elementDecl(const XMLString& name, const XMLString& model) = 0;
|
|
/// Report an element type declaration.
|
|
///
|
|
/// The content model will consist of the string "EMPTY", the string "ANY", or a
|
|
/// parenthesised group, optionally followed by an occurrence indicator. The model
|
|
/// will be normalized so that all parameter entities are fully resolved and all
|
|
/// whitespace is removed,and will include the enclosing parentheses. Other
|
|
/// normalization (such as removing redundant parentheses or simplifying occurrence
|
|
/// indicators) is at the discretion of the parser.
|
|
|
|
virtual void externalEntityDecl(const XMLString& name, const XMLString* publicId, const XMLString& systemId) = 0;
|
|
/// Report an external entity declaration.
|
|
///
|
|
/// Only the effective (first) declaration for each entity will be reported.
|
|
///
|
|
/// If the system identifier is a URL, the parser must resolve it fully before
|
|
/// passing it to the application.
|
|
|
|
virtual void internalEntityDecl(const XMLString& name, const XMLString& value) = 0;
|
|
/// Report an internal entity declaration.
|
|
///
|
|
/// Only the effective (first) declaration for each entity will be reported. All
|
|
/// parameter entities in the value will be expanded, but general entities will not.
|
|
|
|
protected:
|
|
virtual ~DeclHandler();
|
|
};
|
|
|
|
|
|
} } // namespace Poco::XML
|
|
|
|
|
|
#endif // SAX_DeclHandler_INCLUDED
|