diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/editing/HTMLInterchange.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/editing/HTMLInterchange.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/editing/HTMLInterchange.cpp b/src/3rdparty/webkit/WebCore/editing/HTMLInterchange.cpp new file mode 100644 index 0000000..16b330d --- /dev/null +++ b/src/3rdparty/webkit/WebCore/editing/HTMLInterchange.cpp @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2004, 2008 Apple Inc. All rights reserved. + * + * 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 "HTMLInterchange.h" + +#include "CharacterNames.h" +#include "Text.h" +#include "TextIterator.h" +#include <wtf/StdLibExtras.h> + +namespace WebCore { + +namespace { + +String convertedSpaceString() +{ + DEFINE_STATIC_LOCAL(String, convertedSpaceString, ()); + if (convertedSpaceString.isNull()) { + convertedSpaceString = "<span class=\""; + convertedSpaceString += AppleConvertedSpace; + convertedSpaceString += "\">"; + convertedSpaceString.append(noBreakSpace); + convertedSpaceString += "</span>"; + } + return convertedSpaceString; +} + +} // end anonymous namespace + +String convertHTMLTextToInterchangeFormat(const String& in, const Text* node) +{ + // Assume all the text comes from node. + if (node->renderer() && node->renderer()->style()->preserveNewline()) + return in; + + Vector<UChar> s; + + unsigned i = 0; + unsigned consumed = 0; + while (i < in.length()) { + consumed = 1; + if (isCollapsibleWhitespace(in[i])) { + // count number of adjoining spaces + unsigned j = i + 1; + while (j < in.length() && isCollapsibleWhitespace(in[j])) + j++; + unsigned count = j - i; + consumed = count; + while (count) { + unsigned add = count % 3; + switch (add) { + case 0: + append(s, convertedSpaceString()); + s.append(' '); + append(s, convertedSpaceString()); + add = 3; + break; + case 1: + if (i == 0 || i + 1 == in.length()) // at start or end of string + append(s, convertedSpaceString()); + else + s.append(' '); + break; + case 2: + if (i == 0) { + // at start of string + append(s, convertedSpaceString()); + s.append(' '); + } else if (i + 2 == in.length()) { + // at end of string + append(s, convertedSpaceString()); + append(s, convertedSpaceString()); + } else { + append(s, convertedSpaceString()); + s.append(' '); + } + break; + } + count -= add; + } + } else + s.append(in[i]); + i += consumed; + } + + return String::adopt(s); +} + +} // namespace WebCore |