make SafeFormat linkable

git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@465 7ec92016-0320-0410-acc4-a06ded1c099a

src/SafeFormat.cpp

@@ -0,0 +1,70 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2005 by Andrei Alexandrescu
+// Copyright (c) 2006 Peter Kümmel
+// Permission to use, copy, modify, distribute, and sell this software for any
+//     purpose is hereby granted without fee, provided that the above copyright
+//     notice appear in all copies and that both that copyright notice and this
+//     permission notice appear in supporting documentation.
+// The author makes no representations about the suitability of this software 
+//     for any purpose. It is provided "as is" without express or implied 
+//     warranty.
+////////////////////////////////////////////////////////////////////////////////
+
+
+#include <loki/SafeFormat.h>
+
+
+namespace Loki
+{
+
+    // Crude writing method: writes straight to the file, unbuffered
+    // Must be combined with a buffer to work properly (and efficiently)
+
+    void write(std::FILE* f, const char* from, const char* to) {
+        assert(from <= to);
+        fwrite(from, 1, to - from, f);
+    }
+
+    // Write to a string
+
+    void write(std::string& s, const char* from, const char* to) {
+        assert(from <= to);
+        s.append(from, to);
+    }
+
+  
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // PrintfState class template
+    // Holds the formatting state, and implements operator() to format stuff
+    // Todo: make sure errors are handled properly
+    ////////////////////////////////////////////////////////////////////////////////
+
+
+    PrintfState<std::FILE*, char> Printf(const char* format) {
+        return PrintfState<std::FILE*, char>(stdout, format);
+    }
+
+    PrintfState<std::FILE*, char> Printf(const std::string format) {
+        return PrintfState<std::FILE*, char>(stdout, format.c_str());
+    }
+
+    PrintfState<std::FILE*, char> FPrintf(FILE* f, const char* format) {
+        return PrintfState<std::FILE*, char>(f, format);
+    }
+
+    PrintfState<std::FILE*, char> FPrintf(FILE* f, const std::string& format) {
+        return PrintfState<std::FILE*, char>(f, format.c_str());
+    }
+
+    PrintfState<std::string&, char> SPrintf(std::string& s, const char* format) {
+        return PrintfState<std::string&, char>(s, format);
+    }
+
+    PrintfState<std::string&, char> SPrintf(std::string& s, const std::string& format) {
+        return PrintfState<std::string&, char>(s, format.c_str());
+    }
+
+
+}// namespace Loki
+