/***********************************************************************
 sqlstream.cpp - Implements the SQLStream class.

 Copyright (c) 2008 by AboveNet, Inc.  Others may also hold copyrights 
 on code in this file.  See the CREDITS file in the top directory of 
 the distribution for details.

 This file is part of MySQL++.

 MySQL++ is free software; you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as published
 by the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.

 MySQL++ is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with MySQL++; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
 USA
***********************************************************************/

#include "sqlstream.h"

#include "dbdriver.h"
#include "connection.h"

#include <string>

namespace mysqlpp {

SQLStream::SQLStream(Connection* c, const char* pstr) :
std::ostringstream(),
conn_(c)
{
	if (pstr != 0) {
		str(pstr);
	}
}


SQLStream::SQLStream(const SQLStream& s) :
std::ostringstream(s.str()),
conn_(s.conn_)
{
}


size_t
SQLStream::escape_string(std::string* ps, const char* original,
		size_t length) const
{
	if (conn_ && *conn_) {
		// Normal case
		return conn_->driver()->escape_string(ps, original, length);
	}
	else {
		// Should only happen in test/test_manip.cpp, since it doesn't
		// want to open a DB connection just to test the manipulators.
		return DBDriver::escape_string_no_conn(ps, original, length);
	}
}


size_t
SQLStream::escape_string(char* escaped, const char* original,
		size_t length) const
{
	if (conn_ && *conn_) {
		// Normal case
		return conn_->driver()->escape_string(escaped, original, length);
	}
	else {
		// Should only happen in test/test_manip.cpp, since it doesn't
		// want to open a DB connection just to test the manipulators.
		return DBDriver::escape_string_no_conn(escaped, original, length);
	}
}


SQLStream&
SQLStream::operator=(const SQLStream& rhs)
{
	conn_ = rhs.conn_;
	str(rhs.str());

	return *this;
}


} // end namespace mysqlpp