1 files changed, 48 insertions, 37 deletions

diff --git a/fontconfig/src/fcstr.c b/fontconfig/src/fcstr.c
index 4d11a4c65..339a3465d 100644
--- a/fontconfig/src/fcstr.c
+++ b/fontconfig/src/fcstr.c
@@ -137,27 +137,7 @@ FcStrCaseWalkerLong (FcCaseWalker *w, FcChar8 r)
 }
 
 static FcChar8
-FcStrCaseWalkerNext (FcCaseWalker *w)
-{
-    FcChar8	r;
-
-    if (w->read)
-    {
-	if ((r = *w->read++))
-	    return r;
-	w->read = 0;
-    }
-    r = *w->src++;
-
-    if ((r & 0xc0) == 0xc0)
-	return FcStrCaseWalkerLong (w, r);
-    if ('A' <= r && r <= 'Z')
-        r = r - 'A' + 'a';
-    return r;
-}
-
-static FcChar8
-FcStrCaseWalkerNextIgnoreBlanks (FcCaseWalker *w)
+FcStrCaseWalkerNext (FcCaseWalker *w, const char *delims)
 {
     FcChar8	r;
 
@@ -170,7 +150,7 @@ FcStrCaseWalkerNextIgnoreBlanks (FcCaseWalker *w)
     do
     {
 	r = *w->src++;
-    } while (r == ' ');
+    } while (r != 0 && delims && strchr (delims, r));
 
     if ((r & 0xc0) == 0xc0)
 	return FcStrCaseWalkerLong (w, r);
@@ -187,13 +167,13 @@ FcStrDowncase (const FcChar8 *s)
     FcChar8	    *dst, *d;
 
     FcStrCaseWalkerInit (s, &w);
-    while (FcStrCaseWalkerNext (&w))
+    while (FcStrCaseWalkerNext (&w, NULL))
 	len++;
     d = dst = malloc (len + 1);
     if (!d)
 	return 0;
     FcStrCaseWalkerInit (s, &w);
-    while ((*d++ = FcStrCaseWalkerNext (&w)));
+    while ((*d++ = FcStrCaseWalkerNext (&w, NULL)));
     return dst;
 }
 
@@ -210,8 +190,8 @@ FcStrCmpIgnoreCase (const FcChar8 *s1, const FcChar8 *s2)
 
     for (;;)
     {
-	c1 = FcStrCaseWalkerNext (&w1);
-	c2 = FcStrCaseWalkerNext (&w2);
+	c1 = FcStrCaseWalkerNext (&w1, NULL);
+	c2 = FcStrCaseWalkerNext (&w2, NULL);
 	if (!c1 || (c1 != c2))
 	    break;
     }
@@ -221,6 +201,12 @@ FcStrCmpIgnoreCase (const FcChar8 *s1, const FcChar8 *s2)
 int
 FcStrCmpIgnoreBlanksAndCase (const FcChar8 *s1, const FcChar8 *s2)
 {
+    return FcStrCmpIgnoreCaseAndDelims (s1, s2, (const FcChar8 *)" ");
+}
+
+int
+FcStrCmpIgnoreCaseAndDelims (const FcChar8 *s1, const FcChar8 *s2, const FcChar8 *delims)
+{
     FcCaseWalker    w1, w2;
     FcChar8	    c1, c2;
 
@@ -231,8 +217,8 @@ FcStrCmpIgnoreBlanksAndCase (const FcChar8 *s1, const FcChar8 *s2)
 
     for (;;)
     {
-	c1 = FcStrCaseWalkerNextIgnoreBlanks (&w1);
-	c2 = FcStrCaseWalkerNextIgnoreBlanks (&w2);
+	c1 = FcStrCaseWalkerNext (&w1, (const char *)delims);
+	c2 = FcStrCaseWalkerNext (&w2, (const char *)delims);
 	if (!c1 || (c1 != c2))
 	    break;
     }
@@ -317,7 +303,7 @@ FcStrHashIgnoreCase (const FcChar8 *s)
     FcChar8	    c;
 
     FcStrCaseWalkerInit (s, &w);
-    while ((c = FcStrCaseWalkerNext (&w)))
+    while ((c = FcStrCaseWalkerNext (&w, NULL)))
 	h = ((h << 3) ^ (h >> 3)) ^ c;
     return h;
 }
@@ -337,8 +323,8 @@ FcStrIsAtIgnoreBlanksAndCase (const FcChar8 *s1, const FcChar8 *s2)
 
     for (;;)
     {
-	c1 = FcStrCaseWalkerNextIgnoreBlanks (&w1);
-	c2 = FcStrCaseWalkerNextIgnoreBlanks (&w2);
+	c1 = FcStrCaseWalkerNext (&w1, " ");
+	c2 = FcStrCaseWalkerNext (&w2, " ");
 	if (!c1 || (c1 != c2))
 	    break;
     }
@@ -396,8 +382,8 @@ FcStrIsAtIgnoreCase (const FcChar8 *s1, const FcChar8 *s2)
 
     for (;;)
     {
-	c1 = FcStrCaseWalkerNext (&w1);
-	c2 = FcStrCaseWalkerNext (&w2);
+	c1 = FcStrCaseWalkerNext (&w1, NULL);
+	c2 = FcStrCaseWalkerNext (&w2, NULL);
 	if (!c1 || (c1 != c2))
 	    break;
     }
@@ -448,6 +434,31 @@ FcStrContainsWord (const FcChar8 *s1, const FcChar8 *s2)
     return 0;
 }
 
+/*
+ * returns the number of strings (ignoring delimitors and case) being matched
+ */
+
+int
+FcStrMatchIgnoreCaseAndDelims (const FcChar8 *s1, const FcChar8 *s2, const FcChar8 *delims)
+{
+    FcCaseWalker    w1, w2;
+    FcChar8	    c1, c2;
+
+    if (s1 == s2) return 0;
+
+    FcStrCaseWalkerInit (s1, &w1);
+    FcStrCaseWalkerInit (s2, &w2);
+
+    for (;;)
+    {
+	c1 = FcStrCaseWalkerNext (&w1, (const char *)delims);
+	c2 = FcStrCaseWalkerNext (&w2, (const char *)delims);
+	if (!c1 || (c1 != c2))
+	    break;
+    }
+    return w1.src - s1 - 1;
+}
+
 const FcChar8 *
 FcStrStrIgnoreCase (const FcChar8 *s1, const FcChar8 *s2)
 {
@@ -464,12 +475,12 @@ FcStrStrIgnoreCase (const FcChar8 *s1, const FcChar8 *s2)
     FcStrCaseWalkerInit (s1, &w1);
     FcStrCaseWalkerInit (s2, &w2);
 
-    c2 = FcStrCaseWalkerNext (&w2);
+    c2 = FcStrCaseWalkerNext (&w2, NULL);
 
     for (;;)
     {
 	cur = w1.src;
-	c1 = FcStrCaseWalkerNext (&w1);
+	c1 = FcStrCaseWalkerNext (&w1, NULL);
 	if (!c1)
 	    break;
 	if (c1 == c2)
@@ -480,8 +491,8 @@ FcStrStrIgnoreCase (const FcChar8 *s1, const FcChar8 *s2)
 
 	    for (;;)
 	    {
-		c1t = FcStrCaseWalkerNext (&w1t);
-		c2t = FcStrCaseWalkerNext (&w2t);
+		c1t = FcStrCaseWalkerNext (&w1t, NULL);
+		c2t = FcStrCaseWalkerNext (&w2t, NULL);
 
 		if (!c2t)
 		    return cur;