1 files changed, 62 insertions, 0 deletions
diff --git a/WebCore/platform/mac/WebCoreNSStringExtras.mm b/WebCore/platform/mac/WebCoreNSStringExtras.mm
new file mode 100644
index 0000000..a2b0a28
--- /dev/null
+++ b/WebCore/platform/mac/WebCoreNSStringExtras.mm
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2005, 2007 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "config.h"
+#import "WebCoreNSStringExtras.h"
+
+BOOL hasCaseInsensitiveSuffix(NSString *string, NSString *suffix)
+{
+    return [string rangeOfString:suffix options:(NSCaseInsensitiveSearch | NSBackwardsSearch | NSAnchoredSearch)].location != NSNotFound;
+}
+
+BOOL hasCaseInsensitiveSubstring(NSString *string, NSString *substring)
+{
+    return [string rangeOfString:substring options:NSCaseInsensitiveSearch].location != NSNotFound;
+}
+
+NSString *filenameByFixingIllegalCharacters(NSString *string)
+{
+    NSMutableString *filename = [[string mutableCopy] autorelease];
+
+    // Strip null characters.
+    unichar nullChar = 0;
+    [filename replaceOccurrencesOfString:[NSString stringWithCharacters:&nullChar length:0] withString:@"" options:0 range:NSMakeRange(0, [filename length])];
+
+    // Replace "/" with "-".
+    [filename replaceOccurrencesOfString:@"/" withString:@"-" options:0 range:NSMakeRange(0, [filename length])];
+
+    // Replace ":" with "-".
+    [filename replaceOccurrencesOfString:@":" withString:@"-" options:0 range:NSMakeRange(0, [filename length])];
+    
+    // Strip leading dots.
+    while ([filename hasPrefix:@"."]) {
+        [filename deleteCharactersInRange:NSMakeRange(0,1)];
+    }
+    
+    return filename;
+}