log_stream.h

/*****************************************************/
/* lean Logging                 (c) Tobias Zirr 2011 */
/*****************************************************/

#ifndef LEAN_LOGGING_LOG_STREAM
#define LEAN_LOGGING_LOG_STREAM

#include "../lean.h"
#include "../strings/types.h"
#include "../concurrent/spin_lock.h"
#include "log_target.h"
#include <ostream>

namespace lean
{
namespace logging
{

template <class Char = char, class Traits = std::char_traits<Char> >
class basic_log_stream : public log_target
{
public:
    typedef ::std::basic_ostream<Char, Traits> stream_type;

private:
    stream_type &m_stream;

    spin_lock<> m_printLock;

public:
    explicit basic_log_stream(stream_type *stream)
        : m_stream(*stream) { };
    
    void print(const char_ntri &message)
    {
        scoped_sl_lock lock(m_printLock);
        // Use streaming operator to allow for implicit character widening
        m_stream << message.c_str();
    }
};

typedef basic_log_stream<> log_stream;
typedef basic_log_stream<wchar_t> wlog_stream;

} // namespace

using logging::basic_log_stream;

using logging::log_stream;
using logging::wlog_stream;

} // namespace

#endif