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// CharacterData.h
//
// Library: XML
// Package: DOM
// Module: DOM
//
// Definition of the DOM CharacterData class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef DOM_CharacterData_INCLUDED
#define DOM_CharacterData_INCLUDED
#include "Poco/XML/XML.h"
#include "Poco/DOM/AbstractNode.h"
#include "Poco/XML/XMLString.h"
namespace Poco {
namespace XML {
class XML_API CharacterData: public AbstractNode
/// The CharacterData interface extends Node with a set of attributes and methods
/// for accessing character data in the DOM. For clarity this set is defined
/// here rather than on each object that uses these attributes and methods.
/// No DOM objects correspond directly to CharacterData, though Text and others
/// do inherit the interface from it. All offsets in this interface start from 0.
///
/// Text strings in the DOM are represented in either UTF-8 (if XML_UNICODE_WCHAR_T is
/// not defined) or in UTF-16 (if XML_UNICODE_WCHAR_T is defined).
/// Indexing on character data is done in XMLChar units.
{
public:
const XMLString& data() const;
/// Returns the character data of the node that
/// implements the interface.
const XMLString& getData() const;
/// Returns the character data of the node that
/// implements the interface.
void setData(const XMLString& data);
/// Sets the character data of the node that
/// implements the interface.
unsigned long length() const;
/// Returns the number of XMLChars that are available
/// through getData and substringData. This may have the
/// value zero.
XMLString substringData(unsigned long offset, unsigned long count) const;
/// Extracts a range of data from the node.
/// If offset and count exceeds the length, then all
/// the characters to the end of the data are returned.
void appendData(const XMLString& arg);
/// Append the string to the end of the character data
/// of the node.
void insertData(unsigned long offset, const XMLString& arg);
/// Insert a string at the specified character offset.
void deleteData(unsigned long offset, unsigned long count);
/// Remove a range of characters from the node.
void replaceData(unsigned long offset, unsigned long count, const XMLString& arg);
/// Replace the characters starting at the specified character
/// offset with the specified string.
// Non-standard extensions
XMLString trimmedData() const;
/// Returns the character data of that node with
/// all surrounding whitespace removed.
///
/// This method is an extension to the W3C Document Object Model.
// Node
const XMLString& getNodeValue() const;
void setNodeValue(const XMLString& value);
protected:
CharacterData(Document* pOwnerDocument, const XMLString& data);
CharacterData(Document* pOwnerDocument, const CharacterData& data);
~CharacterData();
private:
XMLString _data;
};
//
// inlines
//
inline const XMLString& CharacterData::data() const
{
return _data;
}
inline const XMLString& CharacterData::getData() const
{
return _data;
}
inline unsigned long CharacterData::length() const
{
return (unsigned long) _data.length();
}
} } // namespace Poco::XML
#endif // DOM_CharacterData_INCLUDED
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