From 539bc8c545a43f59e9d648ad56e22edeb8d67826 Mon Sep 17 00:00:00 2001
From: thurston <thurston@052ea7fc-9027-0410-9066-f65837a77df0>
Date: Tue, 23 Oct 2007 21:50:03 +0000
Subject: [PATCH] Added cfilebuf, which wrappes a FILE struct.

git-svn-id: http://svn.complang.org/ragel/trunk@316 052ea7fc-9027-0410-9066-f65837a77df0
---
 common/common.h | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/common/common.h b/common/common.h
index cfe8500..3cd20f1 100644
--- a/common/common.h
+++ b/common/common.h
@@ -302,6 +302,49 @@ public:
 	int line;
 };
 
+class cfilebuf : public std::streambuf
+{
+public:
+	cfilebuf( char *fileName, FILE* file ) : fileName(fileName), file(file) { }
+	char *fileName;
+	FILE *file;
+
+	int sync()
+	{
+		fflush( file );
+		return 0;
+	}
+
+	int overflow( int c )
+	{
+		if ( c != EOF )
+			fputc( c, file );
+		return 0;
+	}
+
+	std::streamsize xsputn( const char* s, std::streamsize n )
+	{
+		std::streamsize written = fwrite( s, 1, n, file );
+		return written;
+	}
+};
+
+class costream : public std::ostream
+{
+public:
+	costream( cfilebuf *b ) : 
+		std::ostream(b), b(b) {}
+	
+	~costream()
+		{ delete b; }
+
+	void fclose()
+		{ ::fclose( b->file ); }
+
+	cfilebuf *b;
+};
+
+
 char *findFileExtension( char *stemFile );
 char *fileNameFromStem( char *stemFile, char *suffix );
 
-- 
2.7.4