cpp2htmldlg.cpp

此为C++源代码转换为HTML格式程序

		szText = _T( "<table cellpadding=10><tr><td>\r\n");
		HtmlFile.Write(szText,szText.GetLength());
		szText = _T( "<pre class=C_CPP_file>\r\n");
		HtmlFile.Write(szText,szText.GetLength());
		
		int nReadByte;
		/*Till End Of File*/
		while (	TRUE )
		{
		/*if key flag reseted get a character from C/CPP file
		this flag will be set in default case and case '/':
			*/
			if (!key_flag)
			{
				nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
				if(nReadByte<1)
				{
					break;
				}
			}
			
			switch (ch)
			{
			case '/':
				/*in this case check for comments*/
				key_flag = 0;/*reset key flag*/
				
				nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
				if(nReadByte<1)
				{
					break;
				}/*get another character*/
				
				if (ch == '/')/* // : Comment found */
				{
					szText = _T("<font color=\"#007766\">//");
					HtmlFile.Write(szText,szText.GetLength());
					while (ch != '\n')/* till new line comment the text*/
					{
						nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
						if(nReadByte<1)
						{
							break;
						}
						/* > and < cant be directly written in
						the HTML file, U must be Knowing..*/
						if (ch == '>')
						{
							szText=_T("&gt;");
							HtmlFile.Write(szText,szText.GetLength());
						}
						else if (ch == '<')
						{
							szText=_T("&lt;");
							HtmlFile.Write(szText,szText.GetLength());
						}
						else
						{
							HtmlFile.Write(&ch,sizeof(unsigned char));					
						}
					}
					szText=_T("</font>");
					HtmlFile.Write(szText,szText.GetLength());
				}
				else if (ch == '*')/* Block Comment is found */
				{
					szText = _T("<font color=\"#007766\"> /*");
					HtmlFile.Write(szText,szText.GetLength());
					flag = 1;
					while (flag)
					{
						/*Till closing tag of comment is found*/
						nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
						if(nReadByte<1)
						{
							break;
						}
						/* > and < cant be directly written in
						the HTML file*/
						if (ch == '>')
						{
							szText = _T("&gt;");
							HtmlFile.Write(szText,szText.GetLength());
						}
						else if (ch == '<')
						{
							szText = _T("&lt;");
							HtmlFile.Write(szText,szText.GetLength());
						}
						else
						{
							HtmlFile.Write(&ch,sizeof(unsigned char));					
						}
						if (ch == '*')
						{
						/* if '*' is found look for '/'
						if '/'found then break loop otherwise
						write charater and continue the loop
							*/
							nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
							if(nReadByte<1)
							{
								break;
							}
							if (ch == '/')
								flag = 0;
							HtmlFile.Write(&ch,sizeof(unsigned char));
						}
					}
					szText = _T("</font>");
					HtmlFile.Write(szText,szText.GetLength());
					/*Comment Ended*/
				}
				else/* if no comment found */
				{
					szText = _T("<font color=\"#333399\">/</font>");
					HtmlFile.Write(szText,szText.GetLength());
					key_flag = 1;/*dont get next character from file
					it is already there in ch*/
				}
				break;
				
				/* > and < cant be directly written in
				the HTML file*/
		case '<':
			/*convert < to &lt;*/
			key_flag = 0;
			szText = _T("<font color=\"#333399\">&lt;</font>");
			HtmlFile.Write(szText,szText.GetLength());
			break;
			
		case '>':
			/*convert > to &gt;*/
			key_flag = 0;
			szText = _T("<font color=\"#333399\">&gt;</font>");
			HtmlFile.Write(szText,szText.GetLength());
			break;
			
			/*various symbols including operators and paranthesis
			to be written in a different color and size*/
		case '!' :
		case '$' :
		case '%' :
		case '&' :
		case '(' :
		case ')' :
		case '*' :
		case '+' :
		case ',' :
		case '-' :
		case '.' :
		case ':' :
		case ';' :
		case '=' :
		case '?' :
		case '@' :
		case '[' :
		case '\\':
		case ']' :
		case '^' :
		case '{' :
		case '|' :
		case '}' :
		case '~' :
			key_flag = 0;
			szText = _T("<font size=3 color=\"#333399\">");
			HtmlFile.Write(szText,szText.GetLength());
			HtmlFile.Write(&ch,sizeof(unsigned char));
			szText = _T("</font>");
			HtmlFile.Write(szText,szText.GetLength());
			break;
			
		case '"':
			/*String*/
			key_flag = 0;
			flag = 1;
			szText = _T("<font color=\"#ff00bf\">\"");
			HtmlFile.Write(szText,szText.GetLength());
			while (flag)
			{
				nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
				if(nReadByte<1)
				{
					break;
				}
				/* > and < cant be directly written in
				the HTML file*/
				if (ch == '>')
				{
					szText = _T("&gt;");
					HtmlFile.Write(szText,szText.GetLength());
				}
				else if (ch == '<')
				{
					szText = _T("&lt;");
					HtmlFile.Write(szText,szText.GetLength());
				}
				else if (ch == '\\')/*Escape sequence*/
				{
					HtmlFile.Write(&ch,sizeof(unsigned char));
					nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
					if(nReadByte < 1)
					{
						break;
					}
					HtmlFile.Write(&ch,sizeof(unsigned char));
					continue;
				}
				else if (ch == '"')/*string Ended*/
				{
					HtmlFile.Write(&ch,sizeof(unsigned char));
					flag = 0;
				}
				else
					HtmlFile.Write(&ch,sizeof(unsigned char));
			}
			szText = _T("</font>" );
			HtmlFile.Write(szText,szText.GetLength());
			break;
			
		case '\'':
			/*single quotes*/
			key_flag = 0;
			flag = 1;
			szText = _T("<font color=\"#AA7700\">");
			HtmlFile.Write(szText,szText.GetLength());
			HtmlFile.Write(&ch,sizeof(unsigned char));
			while (flag)
			{
				/*till ending ' is encountered*/
				nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
				if(nReadByte<1)
				{
					break;
				}
				/* > and < cant be directly written in
				the HTML file*/
				if (ch == '>')
				{
					szText = _T("&gt;");
					HtmlFile.Write(szText,szText.GetLength());
				}
				else if (ch == '<')
				{
					szText = _T("&lt;");
					HtmlFile.Write(szText,szText.GetLength());
				}
				else if (ch == '\\')/*Escape Sequence*/
				{
					HtmlFile.Write(&ch,sizeof(unsigned char));
					nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
					if(nReadByte < 1 )
					{
						break;
					}
					HtmlFile.Write(&ch,sizeof(unsigned char));
					continue;
				}
				else
				{
					if (ch == '\'')/*end os Single quote*/
						flag = 0;
					HtmlFile.Write(&ch,sizeof(unsigned char));
				}
			}
			szText = _T("</font>");
			HtmlFile.Write(szText,szText.GetLength());
			break;
			
		case '0':
		case '1':
		case '2':
		case '3':
		case '4':
		case '5':
		case '6':
		case '7':
		case '8':
		case '9':
			/*numbers Decimals, HExas and Octals*/
			key_flag = 0;
			flag = 1;
			if (ch == '0')
			{
				/*Check for Hex. or Octals*/
				nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
				if(nReadByte<1)
				{
					break;
				}
				if (ch == 'x' || ch == 'X' || ch == '0')
				{
				/*if Hexa || octal then till newline
					|| space get char and write*/
					flag = 0;
					szText = _T("<font color=\"6e00aa\">0");
					HtmlFile.Write(szText,szText.GetLength());
					while (!(ch == ' ' || ch == '\n' || ch == ';'))
					{
						HtmlFile.Write(&ch,sizeof(unsigned char));
						nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
						if(nReadByte < 1)
						{
							break;
						}
					}
					key_flag = 1;/*dont get next character from file
					it is already there in ch*/
					szText = _T("</font>");
					HtmlFile.Write(szText,szText.GetLength());
				}
				else
				{
					/*go one character back*/
					CppFile.Seek(-1,CFile::current);
					ch = '0';
				}
			}
			
			if (flag == 1)
			{
				/*if number*/
				szText = _T("<font color=\"c30000\"><b>");
				HtmlFile.Write(szText,szText.GetLength());
				HtmlFile.Write(&ch,sizeof(unsigned char));
				while (flag)
				{
					nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
					if (nReadByte < 1 )
					{
						break;
					}
					/*if number*/
					if (ch >= '0' && ch <= '9')
					{
						HtmlFile.Write(&ch,sizeof(unsigned char));
					}
					else
					{
						flag = 0;
						key_flag = 1;/*dont get next character from file
						it is already there in ch*/
					}
				}
				szText = _T("</font></b>");
				HtmlFile.Write(szText,szText.GetLength());
			}
			break;
			
		case '#':
			/*# include #define etc...*/
			key_flag = 0;
			flag = 1;
			
			szText = _T("<font color=\"#c300c3\">");
			HtmlFile.Write(szText,szText.GetLength());
			HtmlFile.Write(&ch,sizeof(unsigned char));
			nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
			if (nReadByte < 1)
			{
				break;
			}
			/*skip white spaces*/
			while (ch == ' ' || ch == '\t')
			{
				HtmlFile.Write(&ch,sizeof(unsigned char));
				nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
				if (nReadByte<1)
				{
					flag = 0;
					break;
				}
			}
			
			/*till white space is reached*/
			while (!(ch == ' ' || ch == '\n' || ch == '\t'))
			{
				HtmlFile.Write(&ch,sizeof(unsigned char));
				nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
				if (nReadByte < 1)
				{
					flag = 0;
					break;
				}
				/*if < || > is found set key flag
				so that next character is not
				scanned as it is already present in ch */
				if (ch == '<' || ch == '>')
				{
					flag = 0;
					key_flag = 1;
					break;
				}
			}
			if (flag)
			{
				HtmlFile.Write(&ch,sizeof(unsigned char));
			}
			szText = _T("</font>");
			HtmlFile.Write(szText,szText.GetLength());
			break;
			
		default:
			/*default case checking for keywords is done here*/
			key_flag = 1;
			flag = 1;
			
			char key[200];
			int i = 0;
			
			while (1)
			{
				/*till only Alphabet or number or underscore is found*/
				if (ch <= '/' ||  ( ch >= '[' && ch <= '^' )
					|| ch == '`'
					|| ( ch >= ':' && ch <= '@' )
					|| ch >= '{')
					break;
				else
					key[i++] = ch;
				
				nReadByte=CppFile.Read(&ch,sizeof(unsigned char));
				if (nReadByte < 1)
				{
					break;
				}
			}
			key[i] = '\0';
			flag = 1;
			/*Compare scanned string with array of Keyw||ds*/
			for (i = 0; i < NUM_OF_KEYWORDS ; i++)
			{
				if (!(strcmp(keywords[i], key)))
				{
					/*if keyword match is found*/
					szText = _T("<font color=\"#553399\"><b>");
					HtmlFile.Write(szText,szText.GetLength());
					szText.Format("%s",key);
					HtmlFile.Write(szText,szText.GetLength());
					szText = _T("</font></b>");
					HtmlFile.Write(szText,szText.GetLength());
					flag = 0;
					break;
				}
			}
			if (flag)
			{
				/*if keyword match is not found*/
				szText.Format("%s",key);
				HtmlFile.Write(szText,szText.GetLength());					
			}
			
			/*if next character is not the one to be displayed
			in other color*/
			if (ch <= ' ' || ch >= 127 || ch == '`')
			{
				HtmlFile.Write(&ch,sizeof(unsigned char));
				key_flag = 0;/*get next character*/
			}
		}
	}
	/*Complete HTML FILE structure*/
	szText = _T(" \r\n</pre>\r\n</td></tr></table>\r\n</div>\r\n</center>\r\n</body>\r\n</html>");
	HtmlFile.Write(szText,szText.GetLength());
	
	HtmlFile.Close();
	CppFile.Close();
	}
	catch(CFileException *e)
	{
		e->Delete();
	}
}

void CCPP2HTMLDlg::OnAbout() 
{
	CAboutDlg dlg;
	dlg.DoModal();
}

void CCPP2HTMLDlg::OnOK() 
{

}