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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/text/android | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/text/android')
-rw-r--r-- | Source/WebCore/platform/text/android/HyphenationAndroid.cpp | 110 | ||||
-rw-r--r-- | Source/WebCore/platform/text/android/TextBreakIteratorInternalICU.cpp | 43 |
2 files changed, 153 insertions, 0 deletions
diff --git a/Source/WebCore/platform/text/android/HyphenationAndroid.cpp b/Source/WebCore/platform/text/android/HyphenationAndroid.cpp new file mode 100644 index 0000000..d1bd839 --- /dev/null +++ b/Source/WebCore/platform/text/android/HyphenationAndroid.cpp @@ -0,0 +1,110 @@ +/* + * Copyright 2010, The Android Open Source Project + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 THE COPYRIGHT HOLDERS ``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 "Hyphenation.h" + +// For external hyphenation library. +#include "hyphen.h" +#include <utils/AssetManager.h> +#include <wtf/text/CString.h> +#include <wtf/text/WTFString.h> + +extern android::AssetManager* globalAssetManager(); + +using namespace WTF; + +namespace WebCore { + +static HyphenDict* loadHyphenationDictionary() +{ + android::AssetManager* am = globalAssetManager(); + // Only support English for now. + android::Asset* a = am->open("webkit/hyph_en_US.dic", + android::Asset::ACCESS_BUFFER); + if (!a) { + // Asset webkit/hyph_en_US.dic not found! + return 0; + } + const CString dictContents = String(static_cast<const char*>(a->getBuffer(false)), + a->getLength()).utf8(); + HyphenDict* dict = hnj_hyphen_load_from_buffer(dictContents.data(), + dictContents.length()); + delete a; + + return dict; +} + +bool canHyphenate(const AtomicString& /* localeIdentifier */) +{ + // FIXME: Check that the locale identifier matches the available dictionary. + return true; +} + +size_t lastHyphenLocation(const UChar* characters, size_t length, size_t beforeIndex, const AtomicString& /* localeIdentifier */) +{ + static const size_t minWordLen = 5; + static const size_t maxWordLen = 100; + if (beforeIndex <= 0 || length < minWordLen || length > maxWordLen) + return 0; + + static HyphenDict* dict = loadHyphenationDictionary(); + if (!dict) + return 0; + + char word[maxWordLen]; + size_t wordLength = 0; + for (size_t i = 0; i < length; ++i) { + const UChar ch = characters[i]; + // Only English for now. + // To really make it language aware, we need something like language + // detection or rely on the langAttr in the html element. Though + // seems right now the langAttr is not used or quite implemented in + // webkit. + if (!isASCIIAlpha(ch)) { + // Bypass leading spaces. + if (isASCIISpace(ch) && !wordLength) + continue; + return 0; + } + word[wordLength++] = ch; + } + if (wordLength < minWordLen) + return 0; + + static const int extraBuffer = 5; + const int leadingSpacesCount = length - wordLength; + char hyphens[maxWordLen + extraBuffer]; + if (!hnj_hyphen_hyphenate(dict, word, wordLength, hyphens)) { + for (size_t i = beforeIndex - 2 - leadingSpacesCount; i > 0; --i) { + if (hyphens[i] & 1) + return i + 1 + leadingSpacesCount; + } + } + + return 0; +} + +} // namespace WebCore diff --git a/Source/WebCore/platform/text/android/TextBreakIteratorInternalICU.cpp b/Source/WebCore/platform/text/android/TextBreakIteratorInternalICU.cpp new file mode 100644 index 0000000..9732e92 --- /dev/null +++ b/Source/WebCore/platform/text/android/TextBreakIteratorInternalICU.cpp @@ -0,0 +1,43 @@ +/* + * Copyright 2007, The Android Open Source Project + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 THE COPYRIGHT HOLDERS ``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 "TextBreakIteratorInternalICU.h" + +namespace WebCore { + +const char* currentSearchLocaleID() +{ + // FIXME: Should use system locale. + return ""; +} + +const char* currentTextBreakLocaleID() +{ + // FIXME: Should use system locale. + return "en_us"; +} + +} |