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| 1 /* | |
| 2 * Copyright (C) 2004, 2008 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 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "core/editing/HTMLInterchange.h" | |
| 28 | |
| 29 #include "core/dom/Text.h" | |
| 30 #include "core/editing/EditingUtilities.h" | |
| 31 #include "core/layout/LayoutObject.h" | |
| 32 #include "core/layout/LayoutText.h" | |
| 33 #include "wtf/text/CharacterNames.h" | |
| 34 #include "wtf/text/StringBuilder.h" | |
| 35 | |
| 36 namespace blink { | |
| 37 | |
| 38 String convertHTMLTextToInterchangeFormat(const String& in, const Text& node) | |
| 39 { | |
| 40 // Assume all the text comes from node. | |
| 41 if (node.layoutObject() && node.layoutObject()->style()->preserveNewline()) | |
| 42 return in; | |
| 43 | |
| 44 const char convertedSpaceString[] = "<span class=\"" AppleConvertedSpace "\"
>\xA0</span>"; | |
| 45 static_assert((static_cast<unsigned char>('\xA0') == noBreakSpaceCharacter),
"\\xA0 should be non-breaking space"); | |
| 46 | |
| 47 StringBuilder s; | |
| 48 | |
| 49 unsigned i = 0; | |
| 50 unsigned consumed = 0; | |
| 51 while (i < in.length()) { | |
| 52 consumed = 1; | |
| 53 if (isCollapsibleWhitespace(in[i])) { | |
| 54 // count number of adjoining spaces | |
| 55 unsigned j = i + 1; | |
| 56 while (j < in.length() && isCollapsibleWhitespace(in[j])) | |
| 57 j++; | |
| 58 unsigned count = j - i; | |
| 59 consumed = count; | |
| 60 while (count) { | |
| 61 unsigned add = count % 3; | |
| 62 switch (add) { | |
| 63 case 0: | |
| 64 s.appendLiteral(convertedSpaceString); | |
| 65 s.append(' '); | |
| 66 s.appendLiteral(convertedSpaceString); | |
| 67 add = 3; | |
| 68 break; | |
| 69 case 1: | |
| 70 if (i == 0 || i + 1 == in.length()) // at start or end o
f string | |
| 71 s.appendLiteral(convertedSpaceString); | |
| 72 else | |
| 73 s.append(' '); | |
| 74 break; | |
| 75 case 2: | |
| 76 if (i == 0) { | |
| 77 // at start of string | |
| 78 s.appendLiteral(convertedSpaceString); | |
| 79 s.append(' '); | |
| 80 } else if (i + 2 == in.length()) { | |
| 81 // at end of string | |
| 82 s.appendLiteral(convertedSpaceString); | |
| 83 s.appendLiteral(convertedSpaceString); | |
| 84 } else { | |
| 85 s.appendLiteral(convertedSpaceString); | |
| 86 s.append(' '); | |
| 87 } | |
| 88 break; | |
| 89 } | |
| 90 count -= add; | |
| 91 } | |
| 92 } else | |
| 93 s.append(in[i]); | |
| 94 i += consumed; | |
| 95 } | |
| 96 | |
| 97 return s.toString(); | |
| 98 } | |
| 99 | |
| 100 } // namespace blink | |
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Chromium Code Reviews
Issue 1295073002:
Move serializer related files in core/editing/ related files into core/editing/serializers/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master