1 files changed, 51 insertions, 0 deletions
diff --git a/Tools/compareTraces/CommandLineArgs.cpp b/Tools/compareTraces/CommandLineArgs.cpp
new file mode 100644
index 0000000..5f26bdb
--- /dev/null
+++ b/Tools/compareTraces/CommandLineArgs.cpp
@@ -0,0 +1,51 @@
+#include "stdafx.h"
+#include "CommandLineArgs.h"
+#include <charconv>
+
+static bool printUsage()
+{
+	fprintf( stderr, "Usage: compareTraces.exe trace1.bin trace2.bin [-diff N]\n" );
+	return false;
+}
+
+bool CommandLineArgs::parse( int argc, wchar_t* argv[] )
+{
+	size_t idx = 0;
+	CString sw;
+	CStringA tmp;
+	for( int i = 1; i < argc; i++ )
+	{
+		if( argv[ i ][ 0 ] != L'-' )
+		{
+			if( idx >= 2 )
+				return printUsage();
+			inputs[ idx ] = argv[ i ];
+			idx++;
+			continue;
+		}
+		sw = argv[ i ];
+		if( 0 == sw.CompareNoCase( L"-diff" ) )
+		{
+			i++;
+			if( i >= argc )
+				return printUsage();
+			tmp.Format( "%S", argv[ i ] );
+			tmp.Trim();
+			uint64_t v;
+			auto res = std::from_chars( tmp, cstr( tmp ) + tmp.GetLength(), v );
+			if( res.ec != (std::errc)0 )
+			{
+				fprintf( stderr, "Unable to parse string into number\n" );
+				return false;
+			}
+			printDiff = v;
+			continue;
+		}
+		return printUsage();
+	}
+
+	if( idx != 2 )
+		return printUsage();
+
+	return true;
+}
+\ No newline at end of file