/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2009 Google Inc.
*
* 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 "platform/clipboard/ClipboardUtilities.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
// On POSIX systems, the typical filename length limit is 255 character units. HFS+'s limit is
// actually 255 Unicode characters using Apple's modification of Normzliation Form D, but the
// differences aren't really worth dealing with here.
static const unsigned maxFilenameLength = 255;
static bool isInvalidFileCharacter(UChar c)
{
// HFS+ disallows '/' and Linux systems also disallow null. For sanity's sake we'll also
// disallow control characters.
return c < ' ' || c == 0x7F || c == '/';
}
void validateFilename(String& name, String& extension)
{
// Remove any invalid file system characters, especially "/".
name = name.removeCharacters(&isInvalidFileCharacter);
extension = extension.removeCharacters(&isInvalidFileCharacter);
// Remove a ridiculously-long extension.
if (extension.length() >= maxFilenameLength)
extension = String();
// Truncate an overly-long filename, reserving one character for a dot.
name.truncate(maxFilenameLength - extension.length() - 1);
}
} // namespace WebCore