core/ASCOfficePPTXFile/Editor/Drawing/XmlStringWriter.h

#pragma once
#include "../../../Common/DocxFormat/Source/SystemUtility/File.h"

namespace NSPresentationEditor
{
    static std::wstring	g_bstr_nodeopen				= L"<";
    static std::wstring	g_bstr_nodeclose			= L">";
    static std::wstring	g_bstr_nodeopen_slash		= L"</";
    static std::wstring	g_bstr_nodeclose_slash		= L"/>";
    static std::wstring	g_bstr_node_space			= L" ";
    static std::wstring	g_bstr_node_equal			= L"=";
    static std::wstring	g_bstr_node_quote			= L"\"";
    static std::wstring	g_bstr_boolean_true			= L"true";
    static std::wstring	g_bstr_boolean_false		= L"false";
	
	inline static double FABS(double dVal)
	{
		return (dVal >= 0) ? dVal : -dVal;
	}
	inline static int round(double dVal)
	{
		return (int)(dVal + 0.5);
	}

	class CStringWriter
	{
	private:
		wchar_t*	m_pData;
		size_t		m_lSize;

		wchar_t*	m_pDataCur;
		size_t		m_lSizeCur;

	public:
		CStringWriter()
		{
			m_pData = NULL;
			m_lSize = 0;

			m_pDataCur	= m_pData;
			m_lSizeCur	= m_lSize;
		}
		~CStringWriter()
		{
			RELEASEMEM(m_pData);
		}

        AVSINLINE void AddSize(size_t nSize)
		{
			if (NULL == m_pData)
			{
                m_lSize = (std::max)(nSize, (size_t) 1000);
				m_pData = (wchar_t*)malloc(m_lSize * sizeof(wchar_t));
				memset(m_pData, 0, m_lSize * sizeof(wchar_t));
				
				m_lSizeCur = 0;
				m_pDataCur = m_pData;
				return;
			}

			if ((m_lSizeCur + nSize) > m_lSize)
			{
				while ((m_lSizeCur + nSize) > m_lSize)
				{
					m_lSize *= 2;
				}

				wchar_t* pRealloc = (wchar_t*)realloc(m_pData, m_lSize * sizeof(wchar_t));
				if (NULL != pRealloc)
				{
					// ðåàëëîê ñðàáîòàë
			
					m_pData		= pRealloc;
					m_pDataCur	= m_pData + m_lSizeCur;
				}
				else
				{
					wchar_t* pMalloc = (wchar_t*)malloc(m_lSize * sizeof(wchar_t));
					memset(pMalloc, 0, m_lSize * sizeof(wchar_t));
					
					memcpy(pMalloc, m_pData, m_lSizeCur * sizeof(wchar_t));

					free(m_pData);
					m_pData		= pMalloc;
					m_pDataCur	= m_pData + m_lSizeCur;
				}
			}
		}

	public:
		
        AVSINLINE void WriteString(const wchar_t* pString, size_t& nLen)
		{
			AddSize(nLen);
			// memcpy(m_pDataCur, pString, nLen * sizeof(wchar_t));
			// wstring has 4 bytes length (not 2 in WIN32) in linux/macos
			memcpy(m_pDataCur, pString, (2 == sizeof (wchar_t)) ? (nLen << 1) : (nLen << 2));
			
			m_pDataCur += nLen;
			m_lSizeCur += nLen;
		}
#if defined(_WIN32) || defined(_WIN64)
        AVSINLINE void WriteString(_bstr_t& bsString)
		{
			size_t nLen = bsString.length();
			WriteString(bsString.GetBSTR(), nLen);
		}
#endif // #if defined(_WIN32) || defined(_WIN64)
		
		AVSINLINE void WriteStringXML(const std::wstring & wString)
		{
			std::wstring buffer;
			buffer.reserve(wString.size());
			for(size_t pos = 0; pos != wString.size(); ++pos)
			{
				switch(wString[pos])
				{
				case '&':  buffer.append(_T("&amp;"));      break;
				case '\"': buffer.append(_T("&quot;"));     break;
				case '\'': buffer.append(_T("&apos;"));     break;
				case '<':  buffer.append(_T("&lt;"));       break;
				case '>':  buffer.append(_T("&gt;"));       break;
				default:   buffer.append(&wString[pos], 1);	break;
				}
			}
			WriteString(buffer);
		}

        AVSINLINE void WriteString(const std::wstring & wString)
		{
			size_t nLen = wString.length();
			WriteString(wString.c_str(), nLen);
		}
        AVSINLINE void WriteString(const CString & sString)
		{
			size_t nLen = (size_t)sString.GetLength();
			
			#ifdef _UNICODE
			CString str = sString;
			WriteString(str.GetBuffer(), nLen);
			#else
			CStringW str = (CStringW)sString;
			WriteString(str.GetBuffer(), nLen);
			#endif
		}

        AVSINLINE size_t GetCurSize()
		{
			return m_lSizeCur;
		}

        AVSINLINE void Write(CStringWriter& oWriter)
		{
			WriteString(oWriter.m_pData, oWriter.m_lSizeCur);
		}

		inline void Clear()
		{
			RELEASEMEM(m_pData);
			
			m_pData = NULL;
			m_lSize = 0;

			m_pDataCur	= m_pData;
			m_lSizeCur	= 0;
		}
		inline void ClearNoAttack()
		{
			m_pDataCur	= m_pData;

			if (m_pData) m_pData[0] = 0;
			m_lSizeCur	= 0;
		}

		CString GetData()
		{
			CString str(m_pData, (int)m_lSizeCur);
			return str;
		}

		void CorrectUnicodeString()
		{
			BYTE m_mapUnicode[0x10000];
			memset(m_mapUnicode, 0, 0x10000);

			m_mapUnicode[0x0009] = 1;
			m_mapUnicode[0x000A] = 1;
			m_mapUnicode[0x000D] = 1;

			memset(m_mapUnicode + 0x0020, 1, 0xD7FF - 0x0020 + 1);
			memset(m_mapUnicode + 0xE000, 1, 0xFFFD - 0xE000 + 1);

			wchar_t* pMemory = m_pData;
			while (pMemory < m_pDataCur)
			{
				if (!m_mapUnicode[*pMemory])
					*pMemory = wchar_t(' ');
				++pMemory;
			}
		}
	};

	//class CXmlWriter
	//{
	//	CStringWriter m_oWriter;
	//
	//public:

	//	CXmlWriter() : m_oWriter()
	//	{
	//	}
	//	
	//	inline CString GetXmlString()
	//	{
	//		return m_oWriter.GetData();
	//	}

	//	// write value
 //       AVSINLINE void WriteString(CString strValue)
	//	{
	//		m_oWriter.WriteString(strValue);
	//	}
 //       AVSINLINE void WriteDouble(const double& val)
	//	{
	//		CString str = _T("");
	//		str.Format(_T("%lf"), val);
	//		m_oWriter.WriteString(str);
	//	}
 //       AVSINLINE void WriteLONG(const long& val)
	//	{
	//		CString str = _T("");
	//		str.Format(_T("%d"), val);
	//		m_oWriter.WriteString(str);
	//	}
 //       AVSINLINE void WriteDWORD(const DWORD& val)
	//	{
	//		CString str = _T("");
	//		str.Format(_T("%u"), val);
	//		m_oWriter.WriteString(str);
	//	}
 //       AVSINLINE void WriteDWORD_hex(const DWORD& val)
	//	{
	//		CString str = _T("");
	//		str.Format(_T("%x"), val);
	//		m_oWriter.WriteString(str);
	//	}
	//	// write attribute
 //       AVSINLINE void WriteAttributeString(const CString& strAttributeName, const CString& val)
	//	{
	//		m_oWriter.WriteString(g_bstr_node_space);
	//		m_oWriter.WriteString(strAttributeName);
	//		m_oWriter.WriteString(g_bstr_node_equal);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//		m_oWriter.WriteString(val);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//	}
 //       AVSINLINE void WriteAttributeDouble(const CString& strAttributeName, const double& val)
	//	{
	//		m_oWriter.WriteString(g_bstr_node_space);
	//		m_oWriter.WriteString(strAttributeName);
	//		m_oWriter.WriteString(g_bstr_node_equal);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//		WriteDouble(val);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//	}
 //       AVSINLINE void WriteAttributeLONG(const CString& strAttributeName, const LONG& val)
	//	{
	//		m_oWriter.WriteString(g_bstr_node_space);
	//		m_oWriter.WriteString(strAttributeName);
	//		m_oWriter.WriteString(g_bstr_node_equal);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//		WriteLONG(val);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//	}
 //       AVSINLINE void WriteAttributeDWORD(const CString& strAttributeName, const DWORD& val)
	//	{
	//		m_oWriter.WriteString(g_bstr_node_space);
	//		m_oWriter.WriteString(strAttributeName);
	//		m_oWriter.WriteString(g_bstr_node_equal);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//		WriteDWORD(val);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//	}
 //       AVSINLINE void WriteAttributeDWORD_hex(const CString& strAttributeName, const DWORD& val)
	//	{
	//		m_oWriter.WriteString(g_bstr_node_space);
	//		m_oWriter.WriteString(strAttributeName);
	//		m_oWriter.WriteString(g_bstr_node_equal);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//		WriteDWORD_hex(val);
	//		m_oWriter.WriteString(g_bstr_node_quote);
	//	}
	//	// document methods
 //       AVSINLINE void WriteNodeBegin(CString strNodeName, bool bAttributed = false)
	//	{
	//		m_oWriter.WriteString(g_bstr_nodeopen);
	//		m_oWriter.WriteString(strNodeName);
	//		
	//		if (!bAttributed)
	//			m_oWriter.WriteString(g_bstr_nodeclose);
	//	}
 //       AVSINLINE void WriteNodeEnd(CString strNodeName, bool bEmptyNode = false, bool bEndNode = true)
	//	{
	//		if (bEmptyNode)
	//		{
	//			if (bEndNode)
	//				m_oWriter.WriteString(g_bstr_nodeclose_slash);
	//			else
	//				m_oWriter.WriteString(g_bstr_nodeclose);
	//		}
	//		else
	//		{
	//			m_oWriter.WriteString(g_bstr_nodeopen_slash);
	//			m_oWriter.WriteString(strNodeName);
	//			m_oWriter.WriteString(g_bstr_nodeclose);
	//		}
	//	}
	//	// write node values
 //       AVSINLINE void WriteNodeValueString(const CString& strNodeName, const CString& val)
	//	{
	//		WriteNodeBegin(strNodeName);
	//		WriteString(val);
	//		WriteNodeEnd(strNodeName);
	//	}
 //       AVSINLINE void WriteNodeValueBool(const CString& strNodeName, const bool& val)
	//	{
	//		WriteNodeBegin(strNodeName);
	//		
	//		if (val)
	//			WriteString(_T("1"));
	//		else
	//			WriteString(_T("0"));

	//		WriteNodeEnd(strNodeName);
	//	}
 //       AVSINLINE void WriteNodeValueDouble(const CString& strNodeName, const double& val)
	//	{
	//		WriteNodeBegin(strNodeName);
	//		WriteDouble(val);
	//		WriteNodeEnd(strNodeName);
	//	}
 //       AVSINLINE void WriteNodeValueLONG(const CString& strNodeName, const LONG& val)
	//	{
	//		WriteNodeBegin(strNodeName);
	//		WriteLONG(val);
	//		WriteNodeEnd(strNodeName);
	//	}
 //       AVSINLINE void WriteNodeValueDWORD(const CString& strNodeName, const DWORD& val)
	//	{
	//		WriteNodeBegin(strNodeName);
	//		WriteDWORD(val);
	//		WriteNodeEnd(strNodeName);
	//	}
 //       AVSINLINE void WriteNodeValueDWORD_hex(const CString& strNodeName, const DWORD& val)
	//	{
	//		WriteNodeBegin(strNodeName);
	//		WriteDWORD_hex(val);
	//		WriteNodeEnd(strNodeName);
	//	}

	//	
 //               bool SaveToFile(CString strFilePath, bool bEncodingToUTF8 = false)
	//	{
	//		CString strData = m_oWriter.GetData();
	//		if (!bEncodingToUTF8)
	//		{
	//			CFile oFile;
	//			oFile.CreateFile(strFilePath);
	//			oFile.WriteFile((void*)strData.GetBuffer(), strData.GetLength());
	//			oFile.CloseFile();
	//		}
	//		else
	//		{
	//			CDirectory::SaveToFile(strFilePath, strData);
	//		}
	//		
 //                       return true;
	//	}
	//};
}