1/* 2 * Copyright (C) 2007, 2011 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 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 AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "FileSystem.h" 28 29#include <wtf/HexNumber.h> 30#include <wtf/text/StringBuilder.h> 31 32namespace WebCore { 33 34// The following lower-ASCII characters need escaping to be used in a filename 35// across all systems, including Windows: 36// - Unprintable ASCII (00-1F) 37// - Space (20) 38// - Double quote (22) 39// - Percent (25) (escaped because it is our escape character) 40// - Asterisk (2A) 41// - Slash (2F) 42// - Colon (3A) 43// - Less-than (3C) 44// - Greater-than (3E) 45// - Question Mark (3F) 46// - Backslash (5C) 47// - Pipe (7C) 48// - Delete (7F) 49 50static const bool needsEscaping[128] = { 51 /* 00-07 */ true, true, true, true, true, true, true, true, 52 /* 08-0F */ true, true, true, true, true, true, true, true, 53 54 /* 10-17 */ true, true, true, true, true, true, true, true, 55 /* 18-1F */ true, true, true, true, true, true, true, true, 56 57 /* 20-27 */ true, false, true, false, false, true, false, false, 58 /* 28-2F */ false, false, true, false, false, false, false, true, 59 60 /* 30-37 */ false, false, false, false, false, false, false, false, 61 /* 38-3F */ false, false, true, false, true, false, true, true, 62 63 /* 40-47 */ false, false, false, false, false, false, false, false, 64 /* 48-4F */ false, false, false, false, false, false, false, false, 65 66 /* 50-57 */ false, false, false, false, false, false, false, false, 67 /* 58-5F */ false, false, false, false, true, false, false, false, 68 69 /* 60-67 */ false, false, false, false, false, false, false, false, 70 /* 68-6F */ false, false, false, false, false, false, false, false, 71 72 /* 70-77 */ false, false, false, false, false, false, false, false, 73 /* 78-7F */ false, false, false, false, true, false, false, true, 74}; 75 76static inline bool shouldEscapeUChar(UChar c) 77{ 78 return c > 127 ? false : needsEscaping[c]; 79} 80 81String encodeForFileName(const String& inputString) 82{ 83 StringBuilder result; 84 StringImpl* stringImpl = inputString.impl(); 85 unsigned length = inputString.length(); 86 for (unsigned i = 0; i < length; ++i) { 87 UChar character = (*stringImpl)[i]; 88 if (shouldEscapeUChar(character)) { 89 result.append('%'); 90 appendByteAsHex(character, result); 91 } else 92 result.append(character); 93 } 94 95 return result.toString(); 96} 97 98#if !PLATFORM(MAC) 99 100void setMetadataURL(String&, const String&, const String&) 101{ 102} 103 104bool canExcludeFromBackup() 105{ 106 return false; 107} 108 109bool excludeFromBackup(const String&) 110{ 111 return false; 112} 113 114#endif 115 116} // namespace WebCore 117