epub: Use flag bits for white-space enum.

1 files changed, 11 insertions, 1 deletions

diff --git a/include/mupdf/html.h b/include/mupdf/html.h
index 6a5cdc90..3f48af22 100644
--- a/include/mupdf/html.h
+++ b/include/mupdf/html.h
@@ -89,12 +89,22 @@ struct fz_css_match_s
 
 enum { DIS_NONE, DIS_BLOCK, DIS_INLINE, DIS_LIST_ITEM, DIS_INLINE_BLOCK };
 enum { POS_STATIC, POS_RELATIVE, POS_ABSOLUTE, POS_FIXED };
-enum { WS_NORMAL, WS_PRE, WS_NOWRAP, WS_PRE_WRAP, WS_PRE_LINE };
 enum { TA_LEFT, TA_RIGHT, TA_CENTER, TA_JUSTIFY };
 enum { VA_BASELINE, VA_SUB, VA_SUPER, VA_TOP, VA_BOTTOM };
 enum { BS_NONE, BS_SOLID };
 
 enum {
+	WS_COLLAPSE = 1,
+	WS_ALLOW_BREAK_SPACE = 2,
+	WS_FORCE_BREAK_NEWLINE = 4,
+	WS_NORMAL = WS_COLLAPSE | WS_ALLOW_BREAK_SPACE,
+	WS_PRE = WS_FORCE_BREAK_NEWLINE,
+	WS_NOWRAP = WS_COLLAPSE,
+	WS_PRE_WRAP = WS_ALLOW_BREAK_SPACE | WS_FORCE_BREAK_NEWLINE,
+	WS_PRE_LINE = WS_COLLAPSE | WS_ALLOW_BREAK_SPACE | WS_FORCE_BREAK_NEWLINE
+};
+
+enum {
 	LST_NONE,
 	LST_DISC, LST_CIRCLE, LST_SQUARE,
 	LST_DECIMAL, LST_DECIMAL_ZERO,