X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2Fdebugstream.h;h=63744ef4c5014c87bf003dc192211a31ec180db7;hb=da1c04ea9a13dcfe75ad7e727811e9d3004609aa;hp=9340def08cab32f1b50847f891a8156efa94906f;hpb=627f2c70fa6d5c75ef4dfe4e7252adc7c141e6f4;p=lyx.git

diff --git a/src/support/debugstream.h b/src/support/debugstream.h
index 9340def08c..63744ef4c5 100644
--- a/src/support/debugstream.h
+++ b/src/support/debugstream.h
@@ -12,8 +12,23 @@
 #ifndef DEBUG_STREAM_HPP
 #define DEBUG_STREAM_HPP
 
-#include <boost/test/detail/nullstream.hpp>
+#include <iostream>
 
+#include <boost/version.hpp>
+
+
+//namespace lyx {
+
+#if BOOST_VERSION < 103300
+#  include <boost/test/detail/nullstream.hpp>
+#else
+#  include <boost/test/utils/nullstream.hpp>
+#endif
+
+#ifdef DEBUG
+# define TEMPORARY_DEBUG_MACRO DEBUG
+# undef DEBUG
+#endif
 
 struct debug_trait {
 	enum type {
@@ -34,6 +49,11 @@ struct debug_trait {
 	}
 };
 
+#ifdef TEMPORARY_DEBUG_MACRO
+# define DEBUG TEMPORARY_DEBUG_MACRO
+# undef TEMPORARY_DEBUG_MACRO
+#endif
+
 
 template <class dtrait,
 	  class charT = char,
@@ -43,9 +63,15 @@ public:
 	typedef dtrait debug;
 	typedef typename debug::type Type;
 
+	basic_debugstream()
+		: std::basic_ostream<charT, traits>(0), dt(debug::NONE),
+		  realbuf_(0), enabled_(true)
+	{}
+
 	/// Constructor, sets the debug level to t.
 	explicit basic_debugstream(std::basic_streambuf<charT, traits> * buf)
-		: std::basic_ostream<charT, traits>(buf), dt(debug::NONE)
+		: std::basic_ostream<charT, traits>(buf), dt(debug::NONE),
+		  realbuf_(0), enabled_(true)
 	{}
 
 	/// Sets the debug level to t.
@@ -75,13 +101,37 @@ public:
 			return *this;
 		return nullstream;
 	}
+	/// Disable the stream completely
+	void disable()
+	{
+		if (enabled_) {
+			realbuf_ = this->rdbuf();
+			rdbuf(nullstream.rdbuf());
+			enabled_ = false;
+		}
+	}
+	/// Enable the stream after a possible call of disable()
+	void enable()
+	{
+		if (!enabled_) {
+			this->rdbuf(realbuf_);
+			enabled_ = true;
+		}
+	}
 private:
 	/// The current debug level
 	Type dt;
 	/// The no-op stream.
 	boost::basic_onullstream<charT, traits> nullstream;
+	/// The buffer of the real stream
+	std::streambuf * realbuf_;
+	/// Is the stream enabled?
+	bool enabled_;
 };
 
 typedef basic_debugstream<debug_trait> debugstream;
 
+
+//} // namespace lyx
+
 #endif