/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2010-2012, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#include "dbtextstream.h"
#include "utf8/utf8.h"


DbTextStream::DbTextStream()
{
	was_param = false;
	ext_escape = true;
}


void DbTextStream::SetExtented(bool ext)
{
	ext_escape = ext;
}





/*
	without escaping
*/


DbTextStream & DbTextStream::PutText(const char * str)
{
	buffer += str;
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::PutText(const std::string * str)
{
	return PutText(str->c_str());
}


DbTextStream & DbTextStream::PutText(const std::string & str)
{
	return PutText(str.c_str());
}



DbTextStream & DbTextStream::PutText(const wchar_t * str)
{
	PT::WideToUTF8(str, buffer, false);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::PutText(const std::wstring * str)
{
	return PutText(str->c_str());
}


DbTextStream & DbTextStream::PutText(const std::wstring & str)
{
	return PutText(str.c_str());
}



DbTextStream & DbTextStream::operator<<(RawText<const char*> raw)
{
	return PutText(raw.par);
}


DbTextStream & DbTextStream::operator<<(RawText<const wchar_t*> raw)
{
	return PutText(raw.par);
}


DbTextStream & DbTextStream::operator<<(RawText<const std::string*> raw)
{
	return PutText(raw.par);
}


DbTextStream & DbTextStream::operator<<(RawText<const std::wstring*> raw)
{
	return PutText(raw.par);
}

DbTextStream & DbTextStream::operator<<(RawText<std::string> raw)
{
	return PutText(raw.par);
}


DbTextStream & DbTextStream::operator<<(RawText<std::wstring> raw)
{
	return PutText(raw.par);
}


DbTextStream & DbTextStream::operator<<(RawText<bool> raw)
{
	if( raw.par )
		PutText("true");
	else
		PutText("false");

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<char> raw)
{
	TextStream<std::string>::operator<<(raw.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<wchar_t> raw)
{
	TextStream<std::string>::operator<<(raw.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<int> raw)
{
	TextStream<std::string>::operator<<(raw.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<long> raw)
{
	TextStream<std::string>::operator<<(raw.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<unsigned int> raw)
{
	TextStream<std::string>::operator<<(raw.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<unsigned long> raw)
{
	TextStream<std::string>::operator<<(raw.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<double> raw)
{
	TextStream<std::string>::operator<<(raw.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<void*> raw)
{
	TextStream<std::string>::operator<<(raw.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<tm> t)
{
	buffer += ConvertTime(t.par);
	was_param = false;

return *this;
}


DbTextStream & DbTextStream::operator<<(RawText<PT::Date> date)
{
	date.par.Serialize(*this);
	was_param = false;

return *this;
}





/*
	with escaping
*/


DbTextStream & DbTextStream::EBinPutChar(char c_)
{
char buf[20];
	
	int c = (unsigned char)c_;

	if( (c>=0 && c<=31)	|| c>=127 || c=='\'' || c=='\\' )
	{
		sprintf(buf, "\\\\%03o", c);
		buffer += buf;
	}
	else
	{
		buffer += c;
	}

return *this;
}


DbTextStream & DbTextStream::ETextPutChar(char c)
{
	if( c == '\\' )
		buffer += "\\\\";
	else
	if( c == '\'' )
		buffer += "\\\'"; // don't use "''" because we use the method for PQconnectdb too
	else
	if( c != 0 )
		buffer += c;

return *this;
}


DbTextStream & DbTextStream::ETextPutChar(wchar_t c)
{
	if( c == '\\' )
		buffer += "\\\\";
	else
	if( c == '\'' )
		buffer += "\\\'"; // don't use "''" because we use the method for PQconnectdb too
	else
	if( c != 0 )
		PT::IntToUTF8(int(c), buffer, false);

return *this;
}


DbTextStream & DbTextStream::EPutText(const char * str)
{
	if( was_param )
		buffer += ", ";

	if( ext_escape )
		buffer += 'E';

	buffer += '\'';

	for( ; *str ; ++str )
		ETextPutChar(*str);

	buffer += '\'';
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::EPutText(const std::string * str)
{
	return EPutText(str->c_str());
}


DbTextStream & DbTextStream::EPutText(const std::string & str)
{
	return EPutText(str.c_str());
}


DbTextStream & DbTextStream::EPutText(const wchar_t * str)
{
	if( was_param )
		buffer += ", ";

	if( ext_escape )
		buffer += 'E';

	buffer += '\'';

	for( ; *str ; ++str )
		ETextPutChar(*str);

	buffer += '\'';
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::EPutText(const std::wstring * str)
{
	return EPutText(str->c_str());
}


DbTextStream & DbTextStream::EPutText(const std::wstring & str)
{
	return EPutText(str.c_str());
}



// this method can escaped 0 in the middle of the string
DbTextStream & DbTextStream::EPutBin(const char * str, size_t len)
{
	if( was_param )
		buffer += ", ";

	if( ext_escape )
		buffer += 'E';

	buffer += '\'';

	for(size_t i = 0 ; i < len ; ++i)
		EBinPutChar(str[i]);

	buffer += '\'';
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::EPutBin(const std::string * str)
{
	return EPutBin(str->c_str(), str->size());
}


DbTextStream & DbTextStream::EPutBin(const std::string & str)
{
	return EPutBin(str.c_str(), str.size());
}




DbTextStream & DbTextStream::operator<<(const char * str)
{
	return EPutText(str);
}


DbTextStream & DbTextStream::operator<<(const std::string * str)
{
	return EPutText(str);
}


DbTextStream & DbTextStream::operator<<(const std::string & str)
{
	return EPutText(str);
}




DbTextStream & DbTextStream::operator<<(const wchar_t * str)
{
	return EPutText(str);
}


DbTextStream & DbTextStream::operator<<(const std::wstring * str)
{
	return EPutText(str);
}


DbTextStream & DbTextStream::operator<<(const std::wstring & str)
{
	return EPutText(str);
}



DbTextStream & DbTextStream::operator<<(bool v)
{
	if( v )
		EPutText("true");
	else
		EPutText("false");

return *this;
}


DbTextStream & DbTextStream::operator<<(char v)
{
	if( was_param )
		buffer += ", ";

	if( ext_escape )
		buffer += 'E';

	buffer += '\'';
	ETextPutChar(v);
	buffer += '\'';
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::operator<<(wchar_t v)
{
	if( was_param )
		buffer += ", ";

	if( ext_escape )
		buffer += 'E';

	buffer += '\'';
	ETextPutChar(v);
	buffer += '\'';
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::operator<<(int v)
{
	if( was_param )
		buffer += ", ";

	TextStream<std::string>::operator<<(v);
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::operator<<(long v)
{
	if( was_param )
		buffer += ", ";

	TextStream<std::string>::operator<<(v);
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::operator<<(unsigned int v)
{
	if( was_param )
		buffer += ", ";

	TextStream<std::string>::operator<<(v);
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::operator<<(unsigned long v)
{
	if( was_param )
		buffer += ", ";

	TextStream<std::string>::operator<<(v);
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::operator<<(double v)
{
	if( was_param )
		buffer += ", ";

	TextStream<std::string>::operator<<(v);
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::operator<<(const void * v)
{
	if( was_param )
		buffer += ", ";

	buffer += '\''; // !! not needed here?
	TextStream<std::string>::operator<<(v);
	buffer += '\'';
	was_param = true;

return *this;
}



DbTextStream & DbTextStream::operator<<(const tm & t)
{
	if( was_param )
		buffer += ", ";

	buffer += '\'';
	buffer += ConvertTime(t);
	buffer += '\'';
	was_param = true;

return *this;
}


DbTextStream & DbTextStream::operator<<(const std::vector<long> & tabid)
{
	if( was_param )
		buffer += ", ";

	buffer += '(';

	for(size_t i=0 ; i<tabid.size(); ++i)
	{
		TextStream<std::string>::operator<<(tabid[i]);

		if( i + 1 < tabid.size()  )
			buffer += ',';
	}

	buffer += ')';

	was_param = true;

return *this;
}


const char * DbTextStream::ConvertTime(const tm & t)
{
// not thread safe
static char buffer[100];

	sprintf(buffer, "%04d-%02d-%02d %02d:%02d:%02d",
		t.tm_year + 1900,
		t.tm_mon + 1,
		t.tm_mday,
		t.tm_hour,
		t.tm_min,
		t.tm_sec);

return buffer;
}





DbTextStream & DbTextStream::operator<<(const PT::Space & space)
{
	space_stream.Clear();
	// !! IMPROVE ME
	// we can calculate how much memory is needed before serializing
	space.Serialize(space_stream, true, false);
	operator<<(space_stream.Str());
	space_stream.Clear();

return *this;
}


DbTextStream & DbTextStream::operator<<(const PT::Date & date)
{
	if( was_param )
		buffer += ", ";

	buffer += '\'';
	date.Serialize(*this);
	buffer += '\'';
	was_param = true;

return *this;
}