1 files changed, 104 insertions, 0 deletions
diff --git a/WebCore/platform/FileSystem.cpp b/WebCore/platform/FileSystem.cpp
new file mode 100644
index 0000000..511f8aa
--- /dev/null
+++ b/WebCore/platform/FileSystem.cpp
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 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.
+ *
+ * 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.
+ */
+
+#include "config.h"
+#include "FileSystem.h"
+
+namespace WebCore {
+
+// The following lower-ASCII characters need escaping to be used in a filename
+// across all systems, including Windows:
+//     - Unprintable ASCII (00-1F)
+//     - Space             (20)
+//     - Double quote      (22)
+//     - Percent           (25) (escaped because it is our escape character)
+//     - Asterisk          (2A)
+//     - Slash             (2F)
+//     - Colon             (3A)
+//     - Less-than         (3C)
+//     - Greater-than      (3E)
+//     - Question Mark     (3F)
+//     - Backslash         (5C)
+//     - Pipe              (7C)
+//     - Delete            (7F)
+
+static const bool needsEscaping[128] = {
+    /* 00-07 */ true,  true,  true,  true,  true,  true,  true,  true, 
+    /* 08-0F */ true,  true,  true,  true,  true,  true,  true,  true, 
+
+    /* 10-17 */ true,  true,  true,  true,  true,  true,  true,  true, 
+    /* 18-1F */ true,  true,  true,  true,  true,  true,  true,  true, 
+
+    /* 20-27 */ true,  false, true,  false, false, true,  false, false, 
+    /* 28-2F */ false, false, true,  false, false, false, false, true, 
+    
+    /* 30-37 */ false, false, false, false, false, false, false, false, 
+    /* 38-3F */ false, false, true,  false, true,  false, true,  true, 
+    
+    /* 40-47 */ false, false, false, false, false, false, false, false, 
+    /* 48-4F */ false, false, false, false, false, false, false, false,
+    
+    /* 50-57 */ false, false, false, false, false, false, false, false, 
+    /* 58-5F */ false, false, false, false, true,  false, false, false,
+    
+    /* 60-67 */ false, false, false, false, false, false, false, false, 
+    /* 68-6F */ false, false, false, false, false, false, false, false,
+    
+    /* 70-77 */ false, false, false, false, false, false, false, false, 
+    /* 78-7F */ false, false, false, false, true,  false, false, true, 
+};
+
+static inline bool shouldEscapeUChar(UChar c)
+{
+    return c > 127 ? false : needsEscaping[c];
+}
+
+static const char hexDigits[17] = "0123456789ABCDEF";
+
+String encodeForFileName(const String& inputStr)
+{
+    unsigned length = inputStr.length();
+    Vector<UChar, 512> buffer(length * 3 + 1);
+    UChar* p = buffer.data();
+
+    const UChar* str = inputStr.characters();
+    const UChar* strEnd = str + length;
+
+    while (str < strEnd) {
+        UChar c = *str++;
+        if (shouldEscapeUChar(c)) {
+            *p++ = '%';
+            *p++ = hexDigits[(c >> 4) & 0xF];
+            *p++ = hexDigits[c & 0xF];
+        } else
+            *p++ = c;
+    }
+
+    ASSERT(p - buffer.data() <= static_cast<int>(buffer.size()));
+
+    return String(buffer.data(), p - buffer.data());
+}
+
+} // namespace WebCore