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-rw-r--r--revert-qt4-unicode-removal.patch808
1 files changed, 808 insertions, 0 deletions
diff --git a/revert-qt4-unicode-removal.patch b/revert-qt4-unicode-removal.patch
new file mode 100644
index 000000000000..fc45b6b56c58
--- /dev/null
+++ b/revert-qt4-unicode-removal.patch
@@ -0,0 +1,808 @@
+From 92b3cd3b0d01ca2f03e184cb16b75b31ab9a3ee6 Mon Sep 17 00:00:00 2001
+From: hausmann@webkit.org <hausmann@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
+Date: Wed, 30 Jan 2013 12:27:34 +0000
+Subject: [PATCH] [Qt] Remove QT4_UNICODE related code paths
+ https://bugs.webkit.org/show_bug.cgi?id=108316
+
+Reviewed by Kenneth Rohde Christiansen.
+
+Source/WebCore:
+
+Get rid of QT4_UNICODE and any related code paths. The Qt port
+requires Qt5 and ICU these days. This also allows for the removal
+of TextCodecQt.
+
+* Target.pri:
+* platform/KURL.cpp:
+(WebCore::appendEncodedHostname):
+* platform/graphics/SurrogatePairAwareTextIterator.cpp:
+(WebCore::SurrogatePairAwareTextIterator::normalizeVoicingMarks):
+* platform/text/TextEncoding.cpp:
+(WebCore::TextEncoding::encode):
+* platform/text/TextEncodingRegistry.cpp:
+(WebCore::extendTextCodecMaps):
+* platform/text/qt/TextCodecQt.cpp: Removed.
+* platform/text/qt/TextCodecQt.h: Removed.
+
+Source/WebKit/blackberry:
+
+* WebCoreSupport/AboutDataUseFeatures.in: The feature macro has been removed.
+
+Source/WTF:
+
+Get rid of QT4_UNICODE and any related code paths. The Qt port
+requires Qt5 and ICU these days.
+
+* WTF.gypi:
+* WTF.pro:
+* wtf/unicode/Unicode.h:
+* wtf/unicode/qt4/UnicodeQt4.h: Removed.
+
+git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141255 268f45cc-cd09-0410-ab3c-d52691b4dbfc
+---
+ Source/WTF/ChangeLog | 15 +
+ Source/WTF/WTF.gypi | 1 -
+ Source/WTF/WTF.pro | 1 -
+ Source/WTF/wtf/unicode/Unicode.h | 4 +-
+ Source/WTF/wtf/unicode/qt4/UnicodeQt4.h | 377 --------------------
+ Source/WebCore/ChangeLog | 23 ++
+ Source/WebCore/Target.pri | 2 -
+ Source/WebCore/platform/KURL.cpp | 5 -
+ .../graphics/SurrogatePairAwareTextIterator.cpp | 5 -
+ Source/WebCore/platform/text/TextEncoding.cpp | 6 -
+ .../WebCore/platform/text/TextEncodingRegistry.cpp | 8 -
+ Source/WebCore/platform/text/qt/TextCodecQt.cpp | 160 ---------
+ Source/WebCore/platform/text/qt/TextCodecQt.h | 54 ---
+ Source/WebKit/blackberry/ChangeLog | 9 +
+ .../WebCoreSupport/AboutDataUseFeatures.in | 1 -
+ 15 files changed, 48 insertions(+), 623 deletions(-)
+ delete mode 100644 Source/WTF/wtf/unicode/qt4/UnicodeQt4.h
+ delete mode 100644 Source/WebCore/platform/text/qt/TextCodecQt.cpp
+ delete mode 100644 Source/WebCore/platform/text/qt/TextCodecQt.h
+
+diff --git a/Source/WTF/WTF.pro b/Source/WTF/WTF.pro
+index c929c68..727d78b 100644
+--- a/Source/WTF/WTF.pro
++++ b/Source/WTF/WTF.pro
+@@ -178,7 +178,6 @@ HEADERS += \
+ unicode/CharacterNames.h \
+ unicode/Collator.h \
+ unicode/icu/UnicodeIcu.h \
+- unicode/qt4/UnicodeQt4.h \
+ unicode/ScriptCodesFromICU.h \
+ unicode/Unicode.h \
+ unicode/UnicodeMacrosFromICU.h \
+diff --git a/Source/WTF/wtf/unicode/Unicode.h b/Source/WTF/wtf/unicode/Unicode.h
+index 9260211..11fee6b 100644
+--- a/Source/WTF/wtf/unicode/Unicode.h
++++ b/Source/WTF/wtf/unicode/Unicode.h
+@@ -30,8 +30,6 @@
+
+ #if USE(ICU_UNICODE)
+ #include <wtf/unicode/icu/UnicodeIcu.h>
+-#elif USE(QT4_UNICODE)
+-#include "qt4/UnicodeQt4.h"
+ #elif USE(WCHAR_UNICODE)
+ #include <wtf/unicode/wchar/UnicodeWchar.h>
+ #else
+diff --git a/Source/WTF/wtf/unicode/qt4/UnicodeQt4.h b/Source/WTF/wtf/unicode/qt4/UnicodeQt4.h
+deleted file mode 100644
+index a2d1ad4..0000000
+--- a/Source/WTF/wtf/unicode/qt4/UnicodeQt4.h
++++ /dev/null
+@@ -1,377 +0,0 @@
+-/*
+- * Copyright (C) 2006 George Staikos <staikos@kde.org>
+- * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
+- * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+- *
+- * This library is free software; you can redistribute it and/or
+- * modify it under the terms of the GNU Library General Public
+- * License as published by the Free Software Foundation; either
+- * version 2 of the License, or (at your option) any later version.
+- *
+- * This library is distributed in the hope that it will be useful,
+- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+- * Library General Public License for more details.
+- *
+- * You should have received a copy of the GNU Library General Public License
+- * along with this library; see the file COPYING.LIB. If not, write to
+- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+- * Boston, MA 02110-1301, USA.
+- *
+- */
+-
+-#ifndef WTF_UNICODE_QT4_H
+-#define WTF_UNICODE_QT4_H
+-
+-#include <wtf/unicode/ScriptCodesFromICU.h>
+-#include <wtf/unicode/UnicodeMacrosFromICU.h>
+-
+-#include <QChar>
+-#include <QString>
+-
+-#include <config.h>
+-
+-#include <stdint.h>
+-#if USE(ICU_UNICODE)
+-#include <unicode/ubrk.h>
+-#endif
+-
+-QT_BEGIN_NAMESPACE
+-namespace QUnicodeTables {
+- struct Properties {
+- ushort category : 8;
+- ushort line_break_class : 8;
+- ushort direction : 8;
+- ushort combiningClass :8;
+- ushort joining : 2;
+- signed short digitValue : 6; /* 5 needed */
+- ushort unicodeVersion : 4;
+- ushort lowerCaseSpecial : 1;
+- ushort upperCaseSpecial : 1;
+- ushort titleCaseSpecial : 1;
+- ushort caseFoldSpecial : 1; /* currently unused */
+- signed short mirrorDiff : 16;
+- signed short lowerCaseDiff : 16;
+- signed short upperCaseDiff : 16;
+- signed short titleCaseDiff : 16;
+- signed short caseFoldDiff : 16;
+- };
+- Q_CORE_EXPORT const Properties * QT_FASTCALL properties(uint ucs4);
+- Q_CORE_EXPORT const Properties * QT_FASTCALL properties(ushort ucs2);
+-}
+-QT_END_NAMESPACE
+-
+-// ugly hack to make UChar compatible with JSChar in API/JSStringRef.h
+-#if defined(Q_OS_WIN) || (COMPILER(RVCT) && !OS(LINUX))
+-typedef wchar_t UChar;
+-#else
+-typedef uint16_t UChar;
+-#endif
+-
+-#if !USE(ICU_UNICODE)
+-typedef uint32_t UChar32;
+-#endif
+-
+-namespace WTF {
+-namespace Unicode {
+-
+-enum Direction {
+- LeftToRight = QChar::DirL,
+- RightToLeft = QChar::DirR,
+- EuropeanNumber = QChar::DirEN,
+- EuropeanNumberSeparator = QChar::DirES,
+- EuropeanNumberTerminator = QChar::DirET,
+- ArabicNumber = QChar::DirAN,
+- CommonNumberSeparator = QChar::DirCS,
+- BlockSeparator = QChar::DirB,
+- SegmentSeparator = QChar::DirS,
+- WhiteSpaceNeutral = QChar::DirWS,
+- OtherNeutral = QChar::DirON,
+- LeftToRightEmbedding = QChar::DirLRE,
+- LeftToRightOverride = QChar::DirLRO,
+- RightToLeftArabic = QChar::DirAL,
+- RightToLeftEmbedding = QChar::DirRLE,
+- RightToLeftOverride = QChar::DirRLO,
+- PopDirectionalFormat = QChar::DirPDF,
+- NonSpacingMark = QChar::DirNSM,
+- BoundaryNeutral = QChar::DirBN
+-};
+-
+-enum DecompositionType {
+- DecompositionNone = QChar::NoDecomposition,
+- DecompositionCanonical = QChar::Canonical,
+- DecompositionCompat = QChar::Compat,
+- DecompositionCircle = QChar::Circle,
+- DecompositionFinal = QChar::Final,
+- DecompositionFont = QChar::Font,
+- DecompositionFraction = QChar::Fraction,
+- DecompositionInitial = QChar::Initial,
+- DecompositionIsolated = QChar::Isolated,
+- DecompositionMedial = QChar::Medial,
+- DecompositionNarrow = QChar::Narrow,
+- DecompositionNoBreak = QChar::NoBreak,
+- DecompositionSmall = QChar::Small,
+- DecompositionSquare = QChar::Square,
+- DecompositionSub = QChar::Sub,
+- DecompositionSuper = QChar::Super,
+- DecompositionVertical = QChar::Vertical,
+- DecompositionWide = QChar::Wide
+-};
+-
+-enum CharCategory {
+- NoCategory = 0,
+- Mark_NonSpacing = U_MASK(QChar::Mark_NonSpacing),
+- Mark_SpacingCombining = U_MASK(QChar::Mark_SpacingCombining),
+- Mark_Enclosing = U_MASK(QChar::Mark_Enclosing),
+- Number_DecimalDigit = U_MASK(QChar::Number_DecimalDigit),
+- Number_Letter = U_MASK(QChar::Number_Letter),
+- Number_Other = U_MASK(QChar::Number_Other),
+- Separator_Space = U_MASK(QChar::Separator_Space),
+- Separator_Line = U_MASK(QChar::Separator_Line),
+- Separator_Paragraph = U_MASK(QChar::Separator_Paragraph),
+- Other_Control = U_MASK(QChar::Other_Control),
+- Other_Format = U_MASK(QChar::Other_Format),
+- Other_Surrogate = U_MASK(QChar::Other_Surrogate),
+- Other_PrivateUse = U_MASK(QChar::Other_PrivateUse),
+- Other_NotAssigned = U_MASK(QChar::Other_NotAssigned),
+- Letter_Uppercase = U_MASK(QChar::Letter_Uppercase),
+- Letter_Lowercase = U_MASK(QChar::Letter_Lowercase),
+- Letter_Titlecase = U_MASK(QChar::Letter_Titlecase),
+- Letter_Modifier = U_MASK(QChar::Letter_Modifier),
+- Letter_Other = U_MASK(QChar::Letter_Other),
+- Punctuation_Connector = U_MASK(QChar::Punctuation_Connector),
+- Punctuation_Dash = U_MASK(QChar::Punctuation_Dash),
+- Punctuation_Open = U_MASK(QChar::Punctuation_Open),
+- Punctuation_Close = U_MASK(QChar::Punctuation_Close),
+- Punctuation_InitialQuote = U_MASK(QChar::Punctuation_InitialQuote),
+- Punctuation_FinalQuote = U_MASK(QChar::Punctuation_FinalQuote),
+- Punctuation_Other = U_MASK(QChar::Punctuation_Other),
+- Symbol_Math = U_MASK(QChar::Symbol_Math),
+- Symbol_Currency = U_MASK(QChar::Symbol_Currency),
+- Symbol_Modifier = U_MASK(QChar::Symbol_Modifier),
+- Symbol_Other = U_MASK(QChar::Symbol_Other)
+-};
+-
+-
+-// FIXME: handle surrogates correctly in all methods
+-
+-inline UChar32 toLower(UChar32 ch)
+-{
+- return QChar::toLower(uint32_t(ch));
+-}
+-
+-inline int toLower(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
+-{
+- const UChar *e = src + srcLength;
+- const UChar *s = src;
+- UChar *r = result;
+- uint rindex = 0;
+-
+- // this avoids one out of bounds check in the loop
+- if (s < e && QChar(*s).isLowSurrogate()) {
+- if (r)
+- r[rindex] = *s++;
+- ++rindex;
+- }
+-
+- int needed = 0;
+- while (s < e && (rindex < uint(resultLength) || !r)) {
+- uint c = *s;
+- if (QChar(c).isLowSurrogate() && QChar(*(s - 1)).isHighSurrogate())
+- c = QChar::surrogateToUcs4(*(s - 1), c);
+- const QUnicodeTables::Properties *prop = QUnicodeTables::properties(c);
+- if (prop->lowerCaseSpecial) {
+- QString qstring;
+- if (c < 0x10000) {
+- qstring += QChar(c);
+- } else {
+- qstring += QChar(*(s-1));
+- qstring += QChar(*s);
+- }
+- qstring = qstring.toLower();
+- for (int i = 0; i < qstring.length(); ++i) {
+- if (rindex >= uint(resultLength)) {
+- needed += qstring.length() - i;
+- break;
+- }
+- if (r)
+- r[rindex] = qstring.at(i).unicode();
+- ++rindex;
+- }
+- } else {
+- if (r)
+- r[rindex] = *s + prop->lowerCaseDiff;
+- ++rindex;
+- }
+- ++s;
+- }
+- if (s < e)
+- needed += e - s;
+- *error = (needed != 0);
+- if (rindex < uint(resultLength))
+- r[rindex] = 0;
+- return rindex + needed;
+-}
+-
+-inline UChar32 toUpper(UChar32 c)
+-{
+- return QChar::toUpper(uint32_t(c));
+-}
+-
+-inline int toUpper(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
+-{
+- const UChar *e = src + srcLength;
+- const UChar *s = src;
+- UChar *r = result;
+- int rindex = 0;
+-
+- // this avoids one out of bounds check in the loop
+- if (s < e && QChar(*s).isLowSurrogate()) {
+- if (r)
+- r[rindex] = *s++;
+- ++rindex;
+- }
+-
+- int needed = 0;
+- while (s < e && (rindex < resultLength || !r)) {
+- uint c = *s;
+- if (QChar(c).isLowSurrogate() && QChar(*(s - 1)).isHighSurrogate())
+- c = QChar::surrogateToUcs4(*(s - 1), c);
+- const QUnicodeTables::Properties *prop = QUnicodeTables::properties(c);
+- if (prop->upperCaseSpecial) {
+- QString qstring;
+- if (c < 0x10000) {
+- qstring += QChar(c);
+- } else {
+- qstring += QChar(*(s-1));
+- qstring += QChar(*s);
+- }
+- qstring = qstring.toUpper();
+- for (int i = 0; i < qstring.length(); ++i) {
+- if (rindex >= resultLength) {
+- needed += qstring.length() - i;
+- break;
+- }
+- if (r)
+- r[rindex] = qstring.at(i).unicode();
+- ++rindex;
+- }
+- } else {
+- if (r)
+- r[rindex] = *s + prop->upperCaseDiff;
+- ++rindex;
+- }
+- ++s;
+- }
+- if (s < e)
+- needed += e - s;
+- *error = (needed != 0);
+- if (rindex < resultLength)
+- r[rindex] = 0;
+- return rindex + needed;
+-}
+-
+-inline int toTitleCase(UChar32 c)
+-{
+- return QChar::toTitleCase(uint32_t(c));
+-}
+-
+-inline UChar32 foldCase(UChar32 c)
+-{
+- return QChar::toCaseFolded(uint32_t(c));
+-}
+-
+-inline int foldCase(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
+-{
+- // FIXME: handle special casing. Easiest with some low level API in Qt
+- *error = false;
+- if (resultLength < srcLength) {
+- *error = true;
+- return srcLength;
+- }
+- for (int i = 0; i < srcLength; ++i)
+- result[i] = QChar::toCaseFolded(ushort(src[i]));
+- return srcLength;
+-}
+-
+-inline bool isArabicChar(UChar32 c)
+-{
+- return c >= 0x0600 && c <= 0x06FF;
+-}
+-
+-inline bool isPrintableChar(UChar32 c)
+-{
+- const uint test = U_MASK(QChar::Other_Control) |
+- U_MASK(QChar::Other_NotAssigned);
+- return !(U_MASK(QChar::category(uint32_t(c))) & test);
+-}
+-
+-inline bool isSeparatorSpace(UChar32 c)
+-{
+- return QChar::category(uint32_t(c)) == QChar::Separator_Space;
+-}
+-
+-inline bool isPunct(UChar32 c)
+-{
+- const uint test = U_MASK(QChar::Punctuation_Connector) |
+- U_MASK(QChar::Punctuation_Dash) |
+- U_MASK(QChar::Punctuation_Open) |
+- U_MASK(QChar::Punctuation_Close) |
+- U_MASK(QChar::Punctuation_InitialQuote) |
+- U_MASK(QChar::Punctuation_FinalQuote) |
+- U_MASK(QChar::Punctuation_Other);
+- return U_MASK(QChar::category(uint32_t(c))) & test;
+-}
+-
+-inline bool isLower(UChar32 c)
+-{
+- return QChar::category(uint32_t(c)) == QChar::Letter_Lowercase;
+-}
+-
+-inline bool hasLineBreakingPropertyComplexContext(UChar32)
+-{
+- // FIXME: Implement this to return whether the character has line breaking property SA (Complex Context).
+- return false;
+-}
+-
+-inline UChar32 mirroredChar(UChar32 c)
+-{
+- return QChar::mirroredChar(uint32_t(c));
+-}
+-
+-inline uint8_t combiningClass(UChar32 c)
+-{
+- return QChar::combiningClass(uint32_t(c));
+-}
+-
+-inline DecompositionType decompositionType(UChar32 c)
+-{
+- return (DecompositionType)QChar::decompositionTag(c);
+-}
+-
+-inline int umemcasecmp(const UChar* a, const UChar* b, int len)
+-{
+- // handle surrogates correctly
+- for (int i = 0; i < len; ++i) {
+- uint c1 = QChar::toCaseFolded(ushort(a[i]));
+- uint c2 = QChar::toCaseFolded(ushort(b[i]));
+- if (c1 != c2)
+- return c1 - c2;
+- }
+- return 0;
+-}
+-
+-inline Direction direction(UChar32 c)
+-{
+- return (Direction)QChar::direction(uint32_t(c));
+-}
+-
+-inline CharCategory category(UChar32 c)
+-{
+- return (CharCategory) U_MASK(QChar::category(uint32_t(c)));
+-}
+-
+-} // namespace Unicode
+-} // namespace WTF
+-
+-#endif // WTF_UNICODE_QT4_H
+diff --git a/Source/WebCore/Target.pri b/Source/WebCore/Target.pri
+index 44f02b6..0e3cd5f 100644
+--- a/Source/WebCore/Target.pri
++++ b/Source/WebCore/Target.pri
+@@ -2357,7 +2357,6 @@ HEADERS += \
+ platform/text/DecodeEscapeSequences.h \
+ platform/text/Hyphenation.h \
+ platform/text/QuotedPrintable.h \
+- platform/text/qt/TextCodecQt.h \
+ platform/text/RegularExpression.h \
+ platform/text/SegmentedString.h \
+ platform/text/TextBoundaries.h \
+@@ -2927,7 +2926,6 @@ SOURCES += \
+ platform/qt/TemporaryLinkStubsQt.cpp \
+ platform/text/qt/TextBoundariesQt.cpp \
+ platform/text/qt/TextBreakIteratorInternalICUQt.cpp \
+- platform/text/qt/TextCodecQt.cpp \
+ platform/qt/WidgetQt.cpp
+
+ use?(LIBXML2) {
+diff --git a/Source/WebCore/platform/KURL.cpp b/Source/WebCore/platform/KURL.cpp
+index a1e0114..01a408c 100644
+--- a/Source/WebCore/platform/KURL.cpp
++++ b/Source/WebCore/platform/KURL.cpp
+@@ -40,8 +40,6 @@
+
+ #if USE(ICU_UNICODE)
+ #include <unicode/uidna.h>
+-#elif USE(QT4_UNICODE)
+-#include <QUrl>
+ #endif
+
+ // FIXME: This file makes too much use of the + operator on String.
+@@ -1498,9 +1496,6 @@
+ hostnameBufferLength, UIDNA_ALLOW_UNASSIGNED, 0, &error);
+ if (error == U_ZERO_ERROR)
+ buffer.append(hostnameBuffer, numCharactersConverted);
+-#elif USE(QT4_UNICODE)
+- QByteArray result = QUrl::toAce(String(str, strLen));
+- buffer.append(result.constData(), result.length());
+ #endif
+ }
+
+diff --git a/Source/WebCore/platform/graphics/SurrogatePairAwareTextIterator.cpp b/Source/WebCore/platform/graphics/SurrogatePairAwareTextIterator.cpp
+index 11da4b9..e7eb43b 100644
+--- a/Source/WebCore/platform/graphics/SurrogatePairAwareTextIterator.cpp
++++ b/Source/WebCore/platform/graphics/SurrogatePairAwareTextIterator.cpp
+@@ -90,11 +90,6 @@ UChar32 SurrogatePairAwareTextIterator::normalizeVoicingMarks()
+ int32_t resultLength = unorm_normalize(m_characters, 2, UNORM_NFC, UNORM_UNICODE_3_2, &normalizedCharacters[0], 2, &uStatus);
+ if (resultLength == 1 && !uStatus)
+ return normalizedCharacters[0];
+-#elif USE(QT4_UNICODE)
+- QString tmp(reinterpret_cast<const QChar*>(m_characters), 2);
+- QString res = tmp.normalized(QString::NormalizationForm_C, QChar::Unicode_3_2);
+- if (res.length() == 1)
+- return res.at(0).unicode();
+ #endif
+ }
+
+diff --git a/Source/WebCore/platform/text/TextEncoding.cpp b/Source/WebCore/platform/text/TextEncoding.cpp
+index f28cd67..6c9a24d 100644
+--- a/Source/WebCore/platform/text/TextEncoding.cpp
++++ b/Source/WebCore/platform/text/TextEncoding.cpp
+@@ -37,8 +37,6 @@
+
+ #if USE(ICU_UNICODE)
+ #include <unicode/unorm.h>
+-#elif USE(QT4_UNICODE)
+-#include <QString>
+ #endif
+
+ namespace WebCore {
+@@ -103,10 +101,6 @@
+ sourceLength = normalizedLength;
+ }
+ return newTextCodec(*this)->encode(source, sourceLength, handling);
+-#elif USE(QT4_UNICODE)
+- QString str(reinterpret_cast<const QChar*>(characters), length);
+- str = str.normalized(QString::NormalizationForm_C);
+- return newTextCodec(*this)->encode(reinterpret_cast<const UChar *>(str.utf16()), str.length(), handling);
+ #elif OS(WINDOWS) && USE(WCHAR_UNICODE)
+ // normalization will be done by Windows CE API
+ OwnPtr<TextCodec> textCodec = newTextCodec(*this);
+diff --git a/Source/WebCore/platform/text/TextEncodingRegistry.cpp b/Source/WebCore/platform/text/TextEncodingRegistry.cpp
+index 2790227..1d12202 100644
+--- a/Source/WebCore/platform/text/TextEncodingRegistry.cpp
++++ b/Source/WebCore/platform/text/TextEncodingRegistry.cpp
+@@ -42,9 +42,6 @@
+ #if USE(ICU_UNICODE)
+ #include "TextCodecICU.h"
+ #endif
+-#if USE(QT4_UNICODE)
+-#include "qt/TextCodecQt.h"
+-#endif
+ #if PLATFORM(MAC)
+ #include "TextCodecMac.h"
+ #endif
+@@ -296,11 +293,6 @@ static void extendTextCodecMaps()
+ TextCodecICU::registerCodecs(addToTextCodecMap);
+ #endif
+
+-#if USE(QT4_UNICODE)
+- TextCodecQt::registerEncodingNames(addToTextEncodingNameMap);
+- TextCodecQt::registerCodecs(addToTextCodecMap);
+-#endif
+-
+ #if PLATFORM(MAC)
+ TextCodecMac::registerEncodingNames(addToTextEncodingNameMap);
+ TextCodecMac::registerCodecs(addToTextCodecMap);
+diff --git a/Source/WebCore/platform/text/qt/TextCodecQt.cpp b/Source/WebCore/platform/text/qt/TextCodecQt.cpp
+deleted file mode 100644
+index 6a36e1a..0000000
+--- a/Source/WebCore/platform/text/qt/TextCodecQt.cpp
++++ /dev/null
+@@ -1,160 +0,0 @@
+-/*
+- * Copyright (C) 2006 Lars Knoll <lars@trolltech.com>
+- * Copyright (C) 2008 Holger Hans Peter Freyther
+- *
+- * 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"
+-#if USE(QT4_UNICODE)
+-#include "TextCodecQt.h"
+-
+-#include <qset.h>
+-#include <wtf/text/CString.h>
+-#include <wtf/text/WTFString.h>
+-
+-namespace WebCore {
+-
+-static QSet<QByteArray> *unique_names = 0;
+-
+-static const char *getAtomicName(const QByteArray &name)
+-{
+- if (!unique_names)
+- unique_names = new QSet<QByteArray>;
+-
+- unique_names->insert(name);
+- return unique_names->find(name)->constData();
+-}
+-
+-void TextCodecQt::registerEncodingNames(EncodingNameRegistrar registrar)
+-{
+- QList<int> mibs = QTextCodec::availableMibs();
+-
+- for (int i = 0; i < mibs.size(); ++i) {
+- QTextCodec *c = QTextCodec::codecForMib(mibs.at(i));
+- const char *name = getAtomicName(c->name());
+- registrar(name, name);
+- QList<QByteArray> aliases = c->aliases();
+- for (int i = 0; i < aliases.size(); ++i) {
+- const char *a = getAtomicName(aliases.at(i));
+- registrar(a, name);
+- }
+- }
+-}
+-
+-static PassOwnPtr<TextCodec> newTextCodecQt(const TextEncoding& encoding, const void*)
+-{
+- return adoptPtr(new TextCodecQt(encoding));
+-}
+-
+-void TextCodecQt::registerCodecs(TextCodecRegistrar registrar)
+-{
+- QList<int> mibs = QTextCodec::availableMibs();
+-
+- for (int i = 0; i < mibs.size(); ++i) {
+- QTextCodec *c = QTextCodec::codecForMib(mibs.at(i));
+- const char *name = getAtomicName(c->name());
+- registrar(name, newTextCodecQt, 0);
+- }
+-}
+-
+-TextCodecQt::TextCodecQt(const TextEncoding& encoding)
+- : m_encoding(encoding)
+-{
+- m_codec = QTextCodec::codecForName(m_encoding.name());
+-}
+-
+-TextCodecQt::~TextCodecQt()
+-{
+-}
+-
+-
+-String TextCodecQt::decode(const char* bytes, size_t length, bool flush, bool /*stopOnError*/, bool& sawError)
+-{
+- // We chop input buffer to smaller buffers to avoid excessive memory consumption
+- // when the input buffer is big. This helps reduce peak memory consumption in
+- // mobile devices where system RAM is limited.
+- static const int MaxInputChunkSize = 1024 * 1024;
+- const char* buf = bytes;
+- const char* end = buf + length;
+- String unicode(""); // a non-null string is expected
+-
+- while (buf < end) {
+- int size = end - buf;
+- size = qMin(size, MaxInputChunkSize);
+- QString decoded = m_codec->toUnicode(buf, size, &m_state);
+- unicode.append(reinterpret_cast_ptr<const UChar*>(decoded.unicode()), decoded.length());
+- buf += size;
+- }
+-
+- sawError = m_state.invalidChars != 0;
+-
+- if (flush) {
+- m_state.flags = QTextCodec::DefaultConversion;
+- m_state.remainingChars = 0;
+- m_state.invalidChars = 0;
+- }
+-
+- return unicode;
+-}
+-
+-CString TextCodecQt::encode(const UChar* characters, size_t length, UnencodableHandling handling)
+-{
+- QTextCodec::ConverterState state;
+- state.flags = QTextCodec::ConversionFlags(QTextCodec::ConvertInvalidToNull | QTextCodec::IgnoreHeader);
+-
+- if (!length)
+- return "";
+-
+- QByteArray ba = m_codec->fromUnicode(reinterpret_cast<const QChar*>(characters), length, &state);
+-
+- // If some <b> characters </b> are unencodable, escape them as specified by <b> handling </b>
+- // We append one valid encoded chunk to a QByteArray at a time. When we encounter an unencodable chunk we
+- // escape it with getUnencodableReplacement, append it, then move to the next chunk.
+- if (state.invalidChars) {
+- state.invalidChars = 0;
+- state.remainingChars = 0;
+- int len = 0;
+- ba.clear();
+- for (size_t pos = 0; pos < length; ++pos) {
+- QByteArray tba = m_codec->fromUnicode(reinterpret_cast<const QChar*>(characters), ++len, &state);
+- if (state.remainingChars)
+- continue;
+- if (state.invalidChars) {
+- UnencodableReplacementArray replacement;
+- getUnencodableReplacement(characters[0], handling, replacement);
+- tba.replace('\0', replacement);
+- state.invalidChars = 0;
+- }
+- ba.append(tba);
+- characters += len;
+- len = 0;
+- state.remainingChars = 0;
+- }
+- }
+-
+- return CString(ba.constData(), ba.length());
+-}
+-
+-
+-} // namespace WebCore
+-#endif
+diff --git a/Source/WebCore/platform/text/qt/TextCodecQt.h b/Source/WebCore/platform/text/qt/TextCodecQt.h
+deleted file mode 100644
+index f28f0bb..0000000
+--- a/Source/WebCore/platform/text/qt/TextCodecQt.h
++++ /dev/null
+@@ -1,54 +0,0 @@
+-/*
+- * Copyright (C) 2006 Lars Knoll <lars@trolltech.com>
+- *
+- * 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.
+- */
+-
+-#ifndef TextCodecQt_h
+-#define TextCodecQt_h
+-
+-#include "TextCodec.h"
+-#include "TextEncoding.h"
+-#include <QTextCodec>
+-
+-namespace WebCore {
+-
+- class TextCodecQt : public TextCodec {
+- public:
+- static void registerEncodingNames(EncodingNameRegistrar);
+- static void registerCodecs(TextCodecRegistrar);
+-
+- TextCodecQt(const TextEncoding&);
+- virtual ~TextCodecQt();
+-
+- virtual String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError);
+- virtual CString encode(const UChar*, size_t length, UnencodableHandling);
+-
+- private:
+- TextEncoding m_encoding;
+- QTextCodec *m_codec;
+- QTextCodec::ConverterState m_state;
+- };
+-
+-} // namespace WebCore
+-
+-#endif // TextCodecICU_h
+--
+1.7.1
+