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