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Linq-To-XML Style of Node Creation for C++

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12 Apr 2016Ms-PL11 min read 43.3K   500   29  
Linq-To-XML Node Creation for Native C++
#pragma once
#include "NewNode.h"
#include "UnicodeFile.h"
#include "ProcessingInstruction.h"

namespace Elmax
{

class NewElement : public NewNode
{
public:
	~NewElement(void);

	NewElement operator[](LPCWSTR name);
	NewElement operator[](LPCSTR name);

	bool Exists() { return GetPtr()!=NULL; }

	//! Copy constructor
	NewElement(const NewElement& other);
	//! Assignment operator
	NewElement& operator=(const NewElement& other);

	// Constructors
	NewElement();
	NewElement(const std::wstring& name);
	NewElement(const std::wstring& name, const std::wstring& sValue);
	NewElement(const std::wstring& name, NewNode& node1);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12, NewNode& node13);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12, NewNode& node13, NewNode& node14);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12, NewNode& node13, NewNode& node14, NewNode& node15);
	NewElement(const std::wstring& name, NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12, NewNode& node13, NewNode& node14, NewNode& node15, NewNode& node16);
#if (_MSC_VER >= 1700 )
	NewElement Add(auto func(NewElement& parent)->void)
	{
		func(*this);
		return *this;
	}
#endif
	NewElement Add(NewNode& node1);
	NewElement Add(NewNode& node1, NewNode& node2);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12, NewNode& node13);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12, NewNode& node13, NewNode& node14);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12, NewNode& node13, NewNode& node14, NewNode& node15);
	NewElement Add(NewNode& node1, NewNode& node2, NewNode& node3, NewNode& node4, NewNode& node5, 
		NewNode& node6, NewNode& node7, NewNode& node8, NewNode& node9, NewNode& node10,
		NewNode& node11, NewNode& node12, NewNode& node13, NewNode& node14, NewNode& node15, NewNode& node16);

	//! Save XML to file
	//!
	//! @param file is file path
	//! @param xmlVersion is the xml version for the processing instruction, eg, L"1.0"
	//! @param utf8 specifies it should be saved in utf-8 or utf-16
	//! @param indent is indentation string used, eg L"\t"
	//! @param discard specifies to delete all the tree nodes
	bool Save(const std::wstring& file, const std::wstring& xmlVersion, bool utf8, bool discard = true);
	//! Save XML to file
	//!
	//! @param file is file path
	//! @param xmlVersion is the xml version for the processing instruction, eg, L"1.0"
	//! @param utf8 specifies it should be saved in utf-8 or utf-16
	//! @param indent is indentation string used, eg L"\t"
	//! @param discard specifies to delete all the tree nodes
	bool Save(const std::wstring& file, ProcessingInstruction& procInstruction, bool discard = true);
	//! Save with the indentation and newlines
	//!
	//! @param file is file path
	//! @param xmlVersion is the xml version for the processing instruction, eg, L"1.0"
	//! @param utf8 specifies it should be saved in utf-8 or utf-16
	//! @param indent is indentation string used, eg L"\t"
	//! @param discard specifies to delete all the tree nodes
	bool PrettySave(const std::wstring& file, const std::wstring& xmlVersion, bool utf8, const std::wstring& indent = L"    ", bool discard = true);
	//! Save with the indentation and newlines
	//!
	//! @param file is file path
	//! @param xmlVersion is the xml version for the processing instruction, eg, L"1.0"
	//! @param utf8 specifies it should be saved in utf-8 or utf-16
	//! @param indent is indentation string used, eg L"\t"
	//! @param discard specifies to delete all the tree nodes
	bool PrettySave(const std::wstring& file, ProcessingInstruction& procInstruction, const std::wstring& indent = L"    ", bool discard = true);
	bool Append(NewTreeNode* child);

private:

	//! Find the child with this chained names (eg, L"MyElement|MyChild")
	NewElement Find(const std::wstring& names);
	//! Find the 1st child with this name
	NewElement FindFirstChild(const std::wstring& name);

	//! Write string to unicode file
	//!
	//! @param uf is the opened unicode file
	//! @param utf8 specifies the string should be written in utf-8 or utf-16
	//! @param str is the string to be written.
	static bool Write(CUnicodeFile& uf, bool utf8, const std::wstring& str);

	//! Write newline to unicode file
	//!
	//! @param uf is the opened unicode file
	//! @param utf8 specifies the string should be written in utf-8 or utf-16
	static bool WriteNewLine(CUnicodeFile& uf, bool utf8);

	//! Write indentation to unicode file
	//!
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param cnt is the number of indentation should be written
	//! @param indent is indentation string used, eg L"\t"
	static bool WriteIndent(CUnicodeFile& uf, bool utf8, size_t cnt, const std::wstring& indent);

	//! Write start element (eg, <element>) to unicode file
	//!
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param cnt is the number of indentation should be written
	//! @param elementName is the element name
	//! @param indent is indentation string used, eg L"\t"
	static bool WriteStartElement(CUnicodeFile& uf, bool utf8, size_t cnt, const std::wstring& elementName, const std::wstring& indent);

	//! Write the first start element (eg, <element>) to unicode file (without the newline at the beginning)
	//!
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param cnt is the number of indentation should be written
	//! @param elementName is the element name
	//! @param indent is indentation string used, eg L"\t"
	static bool WriteFirstStartElement(CUnicodeFile& uf, bool utf8, size_t cnt, const std::wstring& elementName, const std::wstring& indent);

	//! Write end element (eg, </element>) to unicode file
	//!
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param cnt is the number of indentation should be written
	//! @param elementName is the element name
	//! @param indent is indentation string used, eg L"\t"
	static bool WriteEndElement(CUnicodeFile& uf, bool utf8, size_t cnt, const std::wstring& elementName, const std::wstring& indent);

	//! Traverse the tree recursively and write them to file.
	//!
	//! @param node is the xml tree node
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param cnt is the number of indentation should be written
	//! @param indent is indentation string used, eg L"\t"
	static bool Traverse(NewTreeNode& node, CUnicodeFile& uf, bool utf8, size_t cnt, const std::wstring& indent);

	//! Traverse the tree recursively and write them to file (without the processing instruction)(for pretty save)
	//!
	//! @param node is the xml tree node
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param cnt is the number of indentation should be written
	//! @param indent is indentation string used, eg L"\t"
	static bool TraverseWithoutProcessingInstruction(NewTreeNode& node, CUnicodeFile& uf, bool utf8, size_t cnt, const std::wstring& indent);

	//! Write start element (eg, <element>) to unicode file without indentation.
	//!
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param elementName is the element name
	static bool WriteStartElement(CUnicodeFile& uf, bool utf8, const std::wstring& elementName);

	//! Write end element (eg, </element>) to unicode file without indentation.
	//!
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param elementName is the element name
	static bool WriteEndElement(CUnicodeFile& uf, bool utf8, const std::wstring& elementName);

	//! Traverse the tree recursively and write them to file without indentation.
	//!
	//! @param node is the xml tree node
	//! @param uf is the opened unicode file
	//! @param utf8 specifies it should be written in utf-8 or utf-16
	//! @param cnt is the number of indentation should be written
	//! @param indent is indentation string used, eg L"\t"
	static bool Traverse(NewTreeNode& node, CUnicodeFile& uf, bool utf8);

	//! Replace all the anchor string instance found in the fmtstr string with another string
	static std::wstring Replace( 
		const std::wstring& fmtstr, 
		const std::wstring& anchor,
		const std::wstring& replace );

	//! Escape the XML string(eg, L"<>" to L"&lt;&gt;"
	static std::wstring EscapeXML( 
		const std::wstring& fmtstr);

	static std::wstring UnescapeXML( 
		const std::wstring& fmtstr);

};

} // ns Elmax

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License

This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)


Written By
Software Developer (Senior)
Singapore Singapore
Shao Voon is from Singapore. His interest lies primarily in computer graphics, software optimization, concurrency, security, and Agile methodologies.

In recent years, he shifted focus to software safety research. His hobby is writing a free C++ DirectX photo slideshow application which can be viewed here.

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