Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 63 insertions, 3 deletions

diff --git a/Source/WebCore/editing/SmartReplace.cpp b/Source/WebCore/editing/SmartReplace.cpp
index 7b8ca4564..0b4764cc0 100644
--- a/Source/WebCore/editing/SmartReplace.cpp
+++ b/Source/WebCore/editing/SmartReplace.cpp
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
+ * Copyright (C) 2008 Tony Chang <idealisms@gmail.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -10,7 +11,7 @@
  * 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. 
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission. 
  *
@@ -29,13 +30,72 @@
 #include "config.h"
 #include "SmartReplace.h"
 
-#if !USE(CF) && !USE(ICU_UNICODE)
+#if !USE(CF)
+
+#include <unicode/uset.h>
+#include <wtf/Assertions.h>
+#include <wtf/text/StringView.h>
 
 namespace WebCore {
 
+static void addAllCodePoints(USet* smartSet, const String& string)
+{
+    for (size_t i = 0; i < string.length(); i++)
+        uset_add(smartSet, string[i]);
+}
+
+// This is mostly a port of the code in WebCore/editing/SmartReplaceCF.cpp
+// except we use ICU instead of CoreFoundation character classes.
+static USet* getSmartSet(bool isPreviousCharacter)
+{
+    static USet* preSmartSet = nullptr;
+    static USet* postSmartSet = nullptr;
+    USet* smartSet = isPreviousCharacter ? preSmartSet : postSmartSet;
+    if (!smartSet) {
+        // Whitespace and newline (kCFCharacterSetWhitespaceAndNewline)
+        UErrorCode ec = U_ZERO_ERROR;
+        String whitespaceAndNewline = ASCIILiteral("[[:WSpace:] [\\u000A\\u000B\\u000C\\u000D\\u0085]]");
+        smartSet = uset_openPattern(StringView(whitespaceAndNewline).upconvertedCharacters(), whitespaceAndNewline.length(), &ec);
+        ASSERT(U_SUCCESS(ec));
+
+        // CJK ranges
+        // FIXME: Looks like all these ranges include one extra character past the end.
+        uset_addRange(smartSet, 0x1100, 0x1100 + 256); // Hangul Jamo (0x1100 - 0x11FF)
+        uset_addRange(smartSet, 0x2E80, 0x2E80 + 352); // CJK & Kangxi Radicals (0x2E80 - 0x2FDF)
+        uset_addRange(smartSet, 0x2FF0, 0x2FF0 + 464); // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF)
+        uset_addRange(smartSet, 0x3200, 0x3200 + 29392); // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF)
+        uset_addRange(smartSet, 0xAC00, 0xAC00 + 11183); // Hangul Syllables (0xAC00 - 0xD7AF)
+        uset_addRange(smartSet, 0xF900, 0xF900 + 352); // CJK Compatibility Ideographs (0xF900 - 0xFA5F)
+        uset_addRange(smartSet, 0xFE30, 0xFE30 + 32); // CJK Compatibility From (0xFE30 - 0xFE4F)
+        uset_addRange(smartSet, 0xFF00, 0xFF00 + 240); // Half/Full Width Form (0xFF00 - 0xFFEF)
+        uset_addRange(smartSet, 0x20000, 0x20000 + 0xA6D7); // CJK Ideograph Exntension B
+        uset_addRange(smartSet, 0x2F800, 0x2F800 + 0x021E); // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D)
+
+        if (isPreviousCharacter) {
+            // FIXME: Silly to convert this to a WTF::String just to loop through the characters.
+            addAllCodePoints(smartSet, ASCIILiteral("([\"\'#$/-`{"));
+            preSmartSet = smartSet;
+        } else {
+            // FIXME: Silly to convert this to a WTF::String just to loop through the characters.
+            addAllCodePoints(smartSet, ASCIILiteral(")].,;:?\'!\"%*-/}"));
+
+            // Punctuation (kCFCharacterSetPunctuation)
+            UErrorCode ec = U_ZERO_ERROR;
+            String punctuationClass = ASCIILiteral("[:P:]");
+            USet* icuPunct = uset_openPattern(StringView(punctuationClass).upconvertedCharacters(), punctuationClass.length(), &ec);
+            ASSERT(U_SUCCESS(ec));
+            uset_addAll(smartSet, icuPunct);
+            uset_close(icuPunct);
+
+            postSmartSet = smartSet;
+        }
+    }
+    return smartSet;
+}
+
 bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter)
 {
-    return false;
+    return uset_contains(getSmartSet(isPreviousCharacter), c);
 }
 
 }