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1 /* | |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | |
3 * Copyright (C) 2009 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 */ | |
26 | |
27 #include "config.h" | |
28 #include "platform/clipboard/ClipboardUtilities.h" | |
29 | |
30 #include "wtf/text/StringBuilder.h" | |
31 #include "wtf/text/WTFString.h" | |
32 | |
33 #include <shlwapi.h> | |
34 | |
35 namespace blink { | |
36 | |
37 // FAT32 and NTFS both limit filenames to a maximum of 255 characters. | |
38 static const unsigned maxFilenameLength = 255; | |
39 | |
40 // Returns true if the specified character is not valid in a file name. This | |
41 // is intended for use with removeCharacters. | |
42 static bool isInvalidFileCharacter(UChar c) | |
43 { | |
44 return !(PathGetCharType(c) & (GCT_LFNCHAR | GCT_SHORTCHAR)); | |
45 } | |
46 | |
47 void replaceNewlinesWithWindowsStyleNewlines(String& str) | |
48 { | |
49 DEFINE_STATIC_LOCAL(String, windowsNewline, ("\r\n")); | |
50 StringBuilder result; | |
51 for (unsigned index = 0; index < str.length(); ++index) { | |
52 if (str[index] != '\n' || (index > 0 && str[index - 1] == '\r')) | |
53 result.append(str[index]); | |
54 else | |
55 result.append(windowsNewline); | |
56 } | |
57 str = result.toString(); | |
58 } | |
59 | |
60 void validateFilename(String& name, String& extension) | |
61 { | |
62 // Remove any invalid file system characters. | |
63 name = name.removeCharacters(&isInvalidFileCharacter); | |
64 extension = extension.removeCharacters(&isInvalidFileCharacter); | |
65 | |
66 if (extension.length() >= maxFilenameLength) | |
67 extension = String(); | |
68 | |
69 // Truncate overly-long filenames, reserving one character for a dot. | |
70 name.truncate(maxFilenameLength - extension.length() - 1); | |
71 } | |
72 | |
73 } // namespace blink | |
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