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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/text/android
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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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.cpp110
-rw-r--r--Source/WebCore/platform/text/android/TextBreakIteratorInternalICU.cpp43
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";
+}
+
+}