Implement new semantics for Contains and LISTING:

[fontconfig.git] / src / fclist.c

diff --git a/src/fclist.c b/src/fclist.c
index 39d17292f89fb54ce0a2c2c724be4491efd2bcc4..0885c933dd592547cb5b6ebd30ea03fbe6aa362b 100644 (file)
--- a/src/fclist.c
+++ b/src/fclist.c
@@ -1,7 +1,7 @@
 /*
- * $XFree86: xc/lib/fontconfig/src/fclist.c,v 1.11tsi Exp $
+ * $RCSId: xc/lib/fontconfig/src/fclist.c,v 1.11tsi Exp $
  *
- * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
+ * Copyright © 2000 Keith Packard
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -120,17 +120,33 @@ FcObjectSetBuild (const char *first, ...)
     return os;
 }
 
+/*
+ * Font must have a containing value for every value in the pattern
+ */
 static FcBool
-FcListValueListMatchAny (FcValueList *v1orig,
-                        FcValueList *v2orig)
+FcListValueListMatchAny (FcValueList *patOrig,     /* pattern */
+                        FcValueList *fntOrig)      /* font */
 {
-    FcValueList            *v1, *v2;
+    FcValueList            *pat, *fnt;
 
-    for (v1 = v1orig; v1; v1 = v1->next)
-       for (v2 = v2orig; v2; v2 = v2->next)
-           if (FcConfigCompareValue (v2->value, FcOpContains, v1->value))
-               return FcTrue;
-    return FcFalse;
+    for (pat = patOrig; pat; pat = pat->next)
+    {
+       for (fnt = fntOrig; fnt; fnt = fnt->next)
+       {
+           /*
+            * make sure the font 'contains' the pattern.
+            * (OpListing is OpContains except for strings
+            *  where it requires an exact match)
+            */
+           if (FcConfigCompareValue (fnt->value,
+                                     FcOpListing, 
+                                     pat->value)) 
+               break;
+       }
+       if (!fnt)
+           return FcFalse;
+    }
+    return FcTrue;
 }
 
 static FcBool
@@ -196,7 +212,8 @@ FcListPatternMatchAny (FcPattern *p,
        e = FcPatternFindElt (font, p->elts[i].object);
        if (!e)
            return FcFalse;
-       if (!FcListValueListMatchAny (p->elts[i].values, e->values))
+       if (!FcListValueListMatchAny (p->elts[i].values,    /* pat elts */
+                                     e->values))           /* font elts */
            return FcFalse;
     }
     return FcTrue;
@@ -415,7 +432,8 @@ FcFontSetList (FcConfig         *config,
        if (!s)
            continue;
        for (f = 0; f < s->nfont; f++)
-           if (FcListPatternMatchAny (p, s->fonts[f]))
+           if (FcListPatternMatchAny (p,               /* pattern */
+                                      s->fonts[f]))    /* font */
                if (!FcListAppend (&table, s->fonts[f], os))
                    goto bail1;
     }