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//
// DOMException.h
//
// Library: XML
// Package: DOM
// Module: DOM
//
// Definition of the DOM DOMException class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef DOM_DOMException_INCLUDED
#define DOM_DOMException_INCLUDED
#include "Poco/XML/XML.h"
#include "Poco/XML/XMLException.h"
namespace Poco {
namespace XML {
class XML_API DOMException: public XMLException
/// DOM operations only raise exceptions in "exceptional" circumstances, i.e.,
/// when an operation is impossible to perform (either for logical reasons,
/// because data is lost, or because the implementation has become unstable).
/// In general, DOM methods return specific error values in ordinary processing
/// situations, such as out-of-bound errors when using NodeList.
///
/// Implementations should raise other exceptions under other circumstances.
/// For example, implementations should raise an implementation-dependent exception
/// if a null argument is passed when null was not expected.
{
public:
enum
{
INDEX_SIZE_ERR = 1, /// index or size is negative or greater than allowed value
DOMSTRING_SIZE_ERR, /// the specified range of text does not fit into a DOMString (not used)
HIERARCHY_REQUEST_ERR, /// a node is inserted somewhere it doesn't belong
WRONG_DOCUMENT_ERR, /// a node is used in a different document than the one that created it
INVALID_CHARACTER_ERR, /// an invalid character is specified (not used)
NO_DATA_ALLOWED_ERR, /// data is specified for a node which does not support data
NO_MODIFICATION_ALLOWED_ERR, /// an attempt is made to modify an object where modifications are not allowed
NOT_FOUND_ERR, /// an attempt was made to reference a node in a context where it does not exist
NOT_SUPPORTED_ERR, /// the implementation does not support the type of object requested
INUSE_ATTRIBUTE_ERR, /// an attempt is made to add an attribute that is already in use elsewhere
INVALID_STATE_ERR, /// a parameter or an operation is not supported by the underlying object
SYNTAX_ERR, /// an invalid or illegal string is specified
INVALID_MODIFICATION_ERR, /// an attempt is made to modify the type of the underlying object
NAMESPACE_ERR, /// an attempt is made to create or change an object in a way which is incorrect with regard to namespaces
INVALID_ACCESS_ERR, /// an attempt is made to use an object that is not, or is no longer, usable
_NUMBER_OF_MESSAGES
};
DOMException(unsigned short code);
/// Creates a DOMException with the given error code.
DOMException(const DOMException& exc);
/// Creates a DOMException by copying another one.
~DOMException() noexcept;
/// Destroys the DOMException.
DOMException& operator = (const DOMException& exc);
const char* name() const noexcept;
/// Returns a static string describing the exception.
const char* className() const noexcept;
/// Returns the name of the exception class.
Poco::Exception* clone() const;
/// Creates an exact copy of the exception.
void rethrow() const;
/// (Re)Throws the exception.
unsigned short code() const;
/// Returns the DOM exception code.
protected:
static const std::string& message(unsigned short code);
private:
DOMException();
unsigned short _code;
static const std::string MESSAGES[_NUMBER_OF_MESSAGES];
};
//
// inlines
//
inline unsigned short DOMException::code() const
{
return _code;
}
} } // namespace Poco::XML
#endif // DOM_DOMException_INCLUDED
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