Use ucd_properties to implement ucd_isspace.

src/ctype.c

@@ -437,34 +437,8 @@ int ucd_ispunct(codepoint_t c)
 
 int ucd_isspace(codepoint_t c)
 {
-	switch (ucd_lookup_category(c))
-	{
-	case UCD_CATEGORY_Zl:
-	case UCD_CATEGORY_Zp:
-		return 1;
-	case UCD_CATEGORY_Zs:
-		switch (c) // Exclude characters with the <noBreak> DispositionType
-		{
-		case 0x00A0: // U+00A0 : NO-BREAK SPACE
-		case 0x2007: // U+2007 : FIGURE SPACE
-		case 0x202F: // U+202F : NARROW NO-BREAK SPACE
-			return 0;
-		}
-		return 1;
-	case UCD_CATEGORY_Cc:
-		switch (c) // Include control characters marked as White_Space
-		{
-		case 0x09: // U+0009 : CHARACTER TABULATION
-		case 0x0A: // U+000A : LINE FEED
-		case 0x0B: // U+000B : LINE TABULATION
-		case 0x0C: // U+000C : FORM FEED
-		case 0x0D: // U+000D : CARRIAGE RETURN
-		case 0x85: // U+0085 : NEXT LINE
-			return 1;
-		}
-	default:
-		return 0;
-	}
+	ucd_property props = ucd_properties(c, ucd_lookup_category(c));
+	return (props & (UCD_PROPERTY_WHITE_SPACE | UCD_PROPERTY_NO_BREAK)) == UCD_PROPERTY_WHITE_SPACE;
 }
 
 int ucd_isupper(codepoint_t c)