From 2829ad737affe66d373f76c35e5b20ff62593746 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Sat, 30 Dec 2017 15:40:20 -0800
Subject: [PATCH] Cleanup.

---
 include/bx/string.h | 34 ++++++++++++++++++++--------------
 src/string.cpp      | 18 +++++++++++++++++-
 2 files changed, 37 insertions(+), 15 deletions(-)

diff --git a/include/bx/string.h b/include/bx/string.h
index 3f57837..641b075 100644
--- a/include/bx/string.h
+++ b/include/bx/string.h
@@ -100,46 +100,52 @@ namespace bx
 		void clear();
 	};
 
-	///
+	/// Retruns true if character is part of space set.
 	bool isSpace(char _ch);
 
-	///
+	/// Returns true if string view contains only space characters.
 	bool isSpace(const StringView& _str);
 
-	///
+	/// Retruns true if character is uppercase.
 	bool isUpper(char _ch);
 
-	///
+	/// Returns true if string view contains only uppercase characters.
 	bool isUpper(const StringView& _str);
 
-	///
+	/// Retruns true if character is lowercase.
 	bool isLower(char _ch);
 
-	///
+	/// Returns true if string view contains only lowercase characters.
 	bool isLower(const StringView& _str);
 
-	///
+	/// Returns true if character is part of alphabet set.
 	bool isAlpha(char _ch);
 
-	///
+	/// Retruns true if string view contains only alphabet characters.
 	bool isAlpha(const StringView& _str);
 
-	///
+	/// Returns true if character is part of numeric set.
 	bool isNumeric(char _ch);
 
-	///
+	/// Retruns true if string view contains only numeric characters.
 	bool isNumeric(const StringView& _str);
 
-	///
+	/// Returns true if character is part of alpha numeric set.
 	bool isAlphaNum(char _ch);
 
-	///
+	/// Returns true if string view contains only alpha-numeric characters.
 	bool isAlphaNum(const StringView& _str);
 
-	///
+	/// Returns true if character is part of hexadecimal set.
+	bool isHexNum(char _ch);
+
+	/// Returns true if string view contains only hexadecimal characters.
+	bool isHexNum(const StringView& _str);
+
+	/// Returns true if character is printable.
 	bool isPrint(char _ch);
 
-	///
+	/// Returns true if string vieww contains only printable characters.
 	bool isPrint(const StringView& _str);
 
 	///
diff --git a/src/string.cpp b/src/string.cpp
index cf6fc15..234632c 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -54,7 +54,18 @@ namespace bx
 
 	bool isAlphaNum(char _ch)
 	{
-		return isAlpha(_ch) || isNumeric(_ch);
+		return false
+			|| isAlpha(_ch)
+			|| isNumeric(_ch)
+			;
+	}
+
+	bool isHexNum(char _ch)
+	{
+		return false
+			|| isInRange(toLower(_ch), 'a', 'f')
+			|| isNumeric(_ch)
+			;
 	}
 
 	bool isPrint(char _ch)
@@ -110,6 +121,11 @@ namespace bx
 		return isCharTest<isAlphaNum>(_str);
 	}
 
+	bool isHexNum(const StringView& _str)
+	{
+		return isCharTest<isHexNum>(_str);
+	}
+
 	bool isPrint(const StringView& _str)
 	{
 		return isCharTest<isPrint>(_str);