Add charset editing feature.

[fontconfig.git] / src / fccfg.c

diff --git a/src/fccfg.c b/src/fccfg.c
index 19a9fefbdaa9cb34011b7913aba8834ddb08a11a..ad9f7d2060b5c1a3c81e24c2c34203161a64443b 100644 (file)
--- a/src/fccfg.c
+++ b/src/fccfg.c
@@ -1036,6 +1036,25 @@ FcConfigEvaluate (FcPattern *p, FcExpr *e)
                    break;
                }
                break;
+           case FcTypeCharSet:
+               switch (e->op) {
+               case FcOpPlus:
+                   v.type = FcTypeCharSet;
+                   v.u.c = FcCharSetUnion (vl.u.c, vr.u.c);
+                   if (!v.u.c)
+                       v.type = FcTypeVoid;
+                   break;
+               case FcOpMinus:
+                   v.type = FcTypeCharSet;
+                   v.u.c = FcCharSetSubtract (vl.u.c, vr.u.c);
+                   if (!v.u.c)
+                       v.type = FcTypeVoid;
+                   break;
+               default:
+                   v.type = FcTypeVoid;
+                   break;
+               }
+               break;
            default:
                v.type = FcTypeVoid;
                break;