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