📄 htmlwriter.cpp

📁 把html转成txt 把html转成txt
💻 CPP
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#include <string>#include <iostream>#include <ostream>#include <ctype.h>#include "UnicodeCharacter.h"#include "WriterInterface.h"#include "HtmlWriter.h"#include "Style.h"namespace DoxEngine{  char HexToChar(int value)  {    if (value<10)      return (char)('0' + value);    else      return (char)('A' + value - 10);  }  std::string HexToString(int value)  {    using namespace std;    string temp;    //temp.clear();    temp = HexToChar((value>>4)&0x0f);    temp += HexToChar(value&0x0f);    return temp;  }  HtmlWriter::HtmlWriter(std::ostream& stream, DebugLog &newLog)	:outputStream(stream), log(newLog)  {	outputStream << "<HTML>\r\n";    outputStream << "<BODY>\r\n";    styleChanged = false;    whiteSpaces = 0;  }  HtmlWriter::~HtmlWriter()  {    clearStyles();	  outputStream << "</BODY>\r\n";	  outputStream << "</HTML>\r\n";  }  void HtmlWriter::writeChar(const UnicodeCharacter& character)  {    if (styleChanged)    {      //clearStyles();      outputStyles();      styleChanged = false;    }    if (character.isASCII())    {      char ASCIICharacter = character.getASCII();      if (isspace(ASCIICharacter))      {        if (whiteSpaces)
          outputStream << "&nbsp;";
        else
	        outputStream << ASCIICharacter;

        whiteSpaces++;
      }      else      {        whiteSpaces = 0;        switch (ASCIICharacter)        {          case '&':
            outputStream << "&amp;";
          break;

          case '<':
            outputStream << "&lt;";
          break;

          case '>':
            outputStream << "&gt;";
          break;

          default:
            outputStream << ASCIICharacter;
          break;
        }      }    }	  else    {      whiteSpaces = 0;      outputStream << "&#" << character.unicode() << ";";    }  }  void HtmlWriter::writeTable(TableType table)  {    switch(table)    {      case TableStart:        tableStopStyle();		outputStream << "<table>";	  break;	  case TableRowStart:		outputStream << "<tr>";	  break;	  case TableRowEnd:		outputStream << "</tr>\r\n";	  break;	  case TableCellStart:		outputStream << "<td>";		tableRestartStyle();	  break;	  case TableCellEnd:		tableStopStyle();		outputStream << "</td>";	  break;	  case TableEnd:		outputStream << "</table>\r\n";		tableRestartStyle();	  break;	}  }  void HtmlWriter::writeBreak(BreakType type)  {    if (type == LineBreak)      outputStream << "\r\n<br>";  }	void HtmlWriter::setStyle( const Style &newStyle )  {    if (!styleChanged)	    oldStyle = style;	  styleChanged = true;    style = newStyle;  }  void HtmlWriter::outputStyles( void )  {	if ((!style.getBold())&&oldStyle.getBold())	  outputStream << "</b>";	if ((!style.getItalic())&&oldStyle.getItalic())	  outputStream << "</i>";	if ((!style.getUnderline())&&oldStyle.getUnderline())	  outputStream << "</u>";	if (oldStyle.getJustification() != style.getJustification() &&	    oldStyle.getJustification() != DefaultJustified &&      oldStyle.getJustification() != LeftJustified)	  outputStream << "</div>";	if ( !oldStyle.getDefaultColour() &&	  (	    style.getDefaultColour() ||	    (oldStyle.getColourRed()!=style.getColourRed()) ||	    (oldStyle.getColourGreen()!=style.getColourGreen()) ||	    (oldStyle.getColourBlue()!=style.getColourBlue())	  ) )	{#ifdef ENABLE_LOG_DEBUG	  log[LOG_DEBUG] << DEBUG_ID << "Clearing colour\n";#endif	  outputStream << "</font>";	}	if (!style.getDefaultColour())	{#ifdef ENABLE_LOG_DEBUG	  log[LOG_DEBUG] << DEBUG_ID << "Not default colour\n";#endif    if (oldStyle.getDefaultColour())	  {#ifdef ENABLE_LOG_DEBUG		log[LOG_DEBUG] << DEBUG_ID << "Colour is now non-default\n";#endif		outputStream << "<font color=";		outputStream << HexToString(style.getColourRed());		outputStream << HexToString(style.getColourGreen());		outputStream << HexToString(style.getColourBlue());		outputStream << ">";	  }    else if ( (oldStyle.getColourRed()!=style.getColourRed())||	    (oldStyle.getColourGreen()!=style.getColourGreen())||	    (oldStyle.getColourBlue()!=style.getColourBlue()))	  {#ifdef ENABLE_LOG_DEBUG		log[LOG_DEBUG] << DEBUG_ID << "Colour has changed\n";#endif		outputStream << "<font color=";		outputStream << HexToString(style.getColourRed());		outputStream << HexToString(style.getColourGreen());		outputStream << HexToString(style.getColourBlue());		outputStream << ">";	  }#ifdef ENABLE_LOG_DEBUG	  log[LOG_DEBUG] << DEBUG_ID << "Finished setting colour\n";#endif    	}	if ((!oldStyle.getBold())&&style.getBold())	  outputStream << "<b>";	if ((!oldStyle.getItalic())&&style.getItalic())	  outputStream << "<i>";	if ((!oldStyle.getUnderline())&&style.getUnderline())	  outputStream << "<u>";  Justification oldJustification = oldStyle.getJustification();  Justification newJustification = style.getJustification();  if (oldJustification == DefaultJustified)    oldJustification = LeftJustified;  if (newJustification == DefaultJustified)    newJustification = LeftJustified;	if (oldJustification != newJustification)	{#ifdef ENABLE_LOG_DEBUG	  log[LOG_DEBUG] << DEBUG_ID << "Justification changed\n";#endif	  if (style.getJustification() == DefaultJustified ||	    style.getJustification() == LeftJustified)    {    }	  else if (style.getJustification() == RightJustified)		  outputStream << "<div align=right>";	  else if (style.getJustification() == CentreJustified)	  {#ifdef ENABLE_LOG_DEBUG		  log[LOG_DEBUG] << DEBUG_ID << "Writing centre\n";#endif		  outputStream << "<div align=center>";	  }	  else if (style.getJustification() == Justified)		  outputStream << "<div align=justify>";	}	styleChanged = false;  }  void HtmlWriter::clearStyles( void )  {	  oldStyle = style;	  style.setDefault();	  outputStyles();  }  void HtmlWriter::tableStopStyle( void )  {	Style tempStyle(style);	oldStyle = style;	style.setDefault();	outputStyles();	style = tempStyle;  }  void HtmlWriter::tableRestartStyle( void )  {	  oldStyle.setDefault();  	outputStyles();  }}
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