From 07bb50ec9052663e458f329c9c01a4de7f988d7b Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Fri, 3 Jan 2003 22:51:01 +0000
Subject: [PATCH] add IsHexVal.

---
 stepmania/src/RageUtil.cpp | 13 +++++++++++++
 stepmania/src/RageUtil.h   |  1 +
 2 files changed, 14 insertions(+)

diff --git a/stepmania/src/RageUtil.cpp b/stepmania/src/RageUtil.cpp
index a02e3483f0..982890cfd8 100644
--- a/stepmania/src/RageUtil.cpp
+++ b/stepmania/src/RageUtil.cpp
@@ -43,6 +43,19 @@ bool IsAnInt( const CString &s )
 	return true;
 }
 
+bool IsHexVal( const CString &s )
+{
+	if( s[0] == '\0' )
+		return false;
+
+	for( int i=0; s[i]; i++ )
+		if( !(s[i] >= '0' && s[i] <= '9') && 
+			!(toupper(s[i]) >= 'A' && toupper(s[i]) <= 'F'))
+			return false;
+
+	return true;
+}
+
 float TimeToSeconds( CString sHMS )
 {
 	CStringArray arrayBits;
diff --git a/stepmania/src/RageUtil.h b/stepmania/src/RageUtil.h
index befea337db..16e2abf9aa 100644
--- a/stepmania/src/RageUtil.h
+++ b/stepmania/src/RageUtil.h
@@ -114,6 +114,7 @@ inline float froundf( const float f, const float fRoundInterval )
 
 int power_of_two(int input);
 bool IsAnInt( const CString &s );
+bool IsHexVal( const CString &s );
 float TimeToSeconds( CString sHMS );
 CString SecondsToTime( float fSecs );