Simplify charToHex()

svn path=/trunk/libcss/; revision=8384

1 files changed, 9 insertions, 36 deletions

diff --git a/src/utils/utils.h b/src/utils/utils.h
index 4661442..1c380f8 100644
--- a/src/utils/utils.h
+++ b/src/utils/utils.h
@@ -45,42 +45,15 @@ static inline bool isHex(uint8_t c)
 
 static inline uint32_t charToHex(uint8_t c)
 {
-	switch (c) {
-	case 'a': case 'A':
-		return 0xa;
-	case 'b': case 'B':
-		return 0xb;
-	case 'c': case 'C':
-		return 0xc;
-	case 'd': case 'D':
-		return 0xd;
-	case 'e': case 'E':
-		return 0xe;
-	case 'f': case 'F':
-		return 0xf;
-	case '0':
-		return 0x0;
-	case '1':
-		return 0x1;
-	case '2':
-		return 0x2;
-	case '3':
-		return 0x3;
-	case '4':
-		return 0x4;
-	case '5':
-		return 0x5;
-	case '6':
-		return 0x6;
-	case '7':
-		return 0x7;
-	case '8':
-		return 0x8;
-	case '9':
-		return 0x9;
-	}
-
-	return 0;
+	c -= '0';
+
+	if (c > 9)
+		c -= 'A' - '9' - 1;
+
+	if (c > 15)
+		c -= 'a' - 'A';
+
+	return c;
 }
 
 static inline css_error