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61 lines
2.5 KiB
C++
61 lines
2.5 KiB
C++
/*
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* Copyright (C) 2009 Apple Inc. All rights reserved.
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* Copyright (C) 2009 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "platform/clipboard/ClipboardUtilities.h"
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#include "wtf/text/WTFString.h"
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namespace blink {
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// On POSIX systems, the typical filename length limit is 255 character units. HFS+'s limit is
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// actually 255 Unicode characters using Apple's modification of Normzliation Form D, but the
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// differences aren't really worth dealing with here.
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static const unsigned maxFilenameLength = 255;
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static bool isInvalidFileCharacter(UChar c)
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{
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// HFS+ disallows '/' and Linux systems also disallow null. For sanity's sake we'll also
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// disallow control characters.
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return c < ' ' || c == 0x7F || c == '/';
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}
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void validateFilename(String& name, String& extension)
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{
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// Remove any invalid file system characters, especially "/".
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name = name.removeCharacters(&isInvalidFileCharacter);
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extension = extension.removeCharacters(&isInvalidFileCharacter);
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// Remove a ridiculously-long extension.
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if (extension.length() >= maxFilenameLength)
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extension = String();
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// Truncate an overly-long filename, reserving one character for a dot.
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name.truncate(maxFilenameLength - extension.length() - 1);
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}
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} // namespace blink
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