Add tostring converter using the LogStream system

inferno/src/inferno/io/log.cpp

@@ -92,6 +92,15 @@ namespace Inferno {
 		write(color, strlen(color));
 	}
 
+// -----------------------------------------
+
+	StringLogStream::~StringLogStream()
+	{
+		char terminator = '\0';
+		write(&terminator, 1);
+		*m_fill = std::string(reinterpret_cast<char*>(buffer()));
+	}
+
 // -----------------------------------------
 
 	const LogStream& operator<<(const LogStream& stream, const char* value)
@@ -305,4 +314,11 @@ namespace Inferno {
 		dbg(type, newline) << format;
 	}
 
+// -----------------------------------------
+
+	StringLogStream str(std::string* fill)
+	{
+		return StringLogStream(fill);
+	}
+
 }

inferno/src/inferno/io/log.h

@@ -85,14 +85,14 @@ namespace Inferno {
 
 	class DebugLogStream final : public BufferedLogStream {
 	public:
-		DebugLogStream():
-			m_newline(true), m_type(Log::None) {}
-		DebugLogStream(bool newline):
-			m_newline(newline), m_type(Log::None) {}
-		DebugLogStream(Log type):
-			m_newline(true), m_type(type) { color(); }
-		DebugLogStream(Log type, bool newline):
-			m_newline(newline), m_type(type) { color(); }
+		DebugLogStream()
+			: m_newline(true), m_type(Log::None) {}
+		DebugLogStream(bool newline)
+			: m_newline(newline), m_type(Log::None) {}
+		DebugLogStream(Log type)
+			: m_newline(true), m_type(type) { color(); }
+		DebugLogStream(Log type, bool newline)
+			: m_newline(newline), m_type(type) { color(); }
 		virtual ~DebugLogStream() override;
 
 		void color() const;
@@ -102,6 +102,18 @@ namespace Inferno {
 		Log m_type;
 	};
 
+// -----------------------------------------
+
+	class StringLogStream final : public BufferedLogStream {
+	public:
+		StringLogStream(std::string* fill)
+			: m_fill(fill) {}
+		virtual ~StringLogStream() override;
+
+	private:
+		std::string* m_fill;
+	};
+
 // -----------------------------------------
 
 	const LogStream& operator<<(const LogStream& stream, const char* value);
@@ -209,6 +221,10 @@ namespace Inferno {
 		dbgln(type, newline, format.data(), value, std::forward<P>(parameters)...);
 	}
 
+// -----------------------------------------
+
+	StringLogStream str(std::string* fill);
+
 }
 
 #endif // LOG_H