htmltag.cpp

把html转成txt 把html转成txt

//---------------------------------------------------------------------------


#pragma hdrstop

#include <istream>
#include "HtmlTag.h"

//---------------------------------------------------------------------------

#pragma package(smart_init)

namespace DoxEngine
{

HtmlTag::HtmlTag( std::istream &in )
{
  ReadTag( in );
}

HtmlTag::HtmlTag( std::ostream &out )
{
  WriteTag( out );
}

std::string HtmlTag::GetParameter( const std::string &name )
{
  HtmlTagParameters::iterator i = parameters.find( name );
  return i->second;
}

void HtmlTag::SetParameter( const std::string &name, const std::string &value )
{
  parameters.insert( HtmlTagParameters::value_type(name, value) );
}

std::string HtmlTag::GetElement()
{
  return element;
}

void HtmlTag::SetElement( const std::string &value )
{
  element = value;
}

bool HtmlTag::IsBeginning()
{
  return beginning;
}

bool HtmlTag::IsEnd()
{
  return end;
}

void HtmlTag::SetBeginning( bool value )
{
  beginning = value;
}

void HtmlTag::SetEnd( bool value )
{
  end = value;
}

void HtmlTag::ReadTag( std::istream &in )
{
  std::string line;
  char character;

  in.get(character);
  while(in.good() && character != '>' )
  {
    line.append(1, character);
    if (line=="!--")  // '<' has been thrown away, comment
    {
      ReadComment( in );
      return;
    }

    in.get(character);
  }


  // Tag: <[/]element [parameter] ... [/]>

  // First '/' indicates end tag, final '/' indicates self-contained tag


  // Process element and start/end indication

  if (line.at(0) == '/')

  {

    element = line.substr(1, line.find_first_of(" \n"));
    beginning = false;
    end = true;
  }

  else

  {

    element = line.substr(0, line.find_first_of(" \n"));
    if (line.at( line.size() - 1 ) == '/')
    {
      beginning = true;
      end = true;
    }
    else
    {
      beginning = true;
      end = false;
    }
  }

  //  Process parameters



}

void HtmlTag::WriteTag( std::ostream &out )
{

} 


  void HtmlTag::ReadComment( std::istream &in )
  {
    using namespace std;
    string line, commentEnd="-->";

		for (unsigned i=0;in.good()&&(i<commentEnd.length());i++)
      line.append(1, (char)in.get());

	  while(in.good()&&(line!=commentEnd))
    {
      line = line.substr(1, line.npos);
      line.append(1, (char)in.get());
    }
  }


}