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android / platform / external / qt / 7bfefd596b628604816a01c904428ab99099b10d / . / Windows-4.7.4 / src / corelib / codecs / qtextcodec_symbian.cpp
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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
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** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
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** General Public License version 2.1 requirements will be met:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
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** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
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****************************************************************************/
#include "qtextcodec_p.h"
#include <private/qcore_symbian_p.h>
#include <QThreadStorage>
#include <QScopedPointer>
#include <charconv.h>
struct QSymbianCodecInitData {
uint charsetId;
int mib;
const char *aliases;
};
/* This table contains the known Symbian codecs aliases.
It is required because symbian does not provide aliases for codecs.
It is also faster to have a name here than asking the system.
It is ordered by charsetId to allow binary search lookup
*/
static const QSymbianCodecInitData codecsData[] = {
{ /*268439485*/ KCharacterSetIdentifierShiftJis, 17, "Shift_JIS\0MS_Kanji\0csShiftJIS\0SJIS\0" },
{ /*268439486*/ KCharacterSetIdentifierGb2312, 57, "GB2312\0csGB2312\0CN-GB\0EUC-CN\0" }, // Note: ConvertCharacterSetIdentifierToMibEnumL returns Mib 0 instaead of 57
{ /*268439487*/ KCharacterSetIdentifierBig5, 2026, "Big5\0csBig5\0Big5-ETen\0CP950\0BIG-FIVE\0CN-BIG5\0" },
{ /*268440246*/ KCharacterSetIdentifierCodePage1252, 2252, "windows-1252\0Code Page 1252\0CP1252\0MS-ANSI\0" },
// { /*268450576*/ KCharacterSetIdentifierIso88591, 4, "ISO-8859-1\0ISO_8859-1:1987\0iso-ir-100\0ISO_8859-1\0latin1\0l1\0IBM819\0CP819\0csISOLatin1\0ISO-IR-100\0ISO8859-1\0L1\0LATIN1\0CSISOLATIN1\0" },
{ /*268451531*/ KCharacterSetIdentifierGbk, 113, "GBK\0MS936\0windows-936\0CP936\0" },
{ /*268451866*/ KCharacterSetIdentifierGb12345, 0, "GB12345\0" },
{ /*268455110*/ KCharacterSetIdentifierAscii, 3, "US-ASCII\0ANSI_X3.4-1968\0iso-ir-6\0ANSI_X3.4-1986\0ISO_646.irv:1991\0ASCII\0ISO646-US\0us\0IBM367\0cp367\0csASCII\0ISO-IR-6\0ISO_646.IRV:1991\0"},
{ /*268456062*/ KCharacterSetIdentifierIso88592, 5, "ISO-8859-2\0ISO_8859-2:1987\0iso-ir-101\0latin2\0l2\0csISOLatin2\0" },
{ /*268456063*/ KCharacterSetIdentifierIso88594, 7, "ISO-8859-4\0ISO_8859-4:1988\0iso-ir-110\0latin4\0l4\0csISOLatin4\0" },
{ /*268456064*/ KCharacterSetIdentifierIso88595, 8, "ISO-8859-5\0ISO_8859-5:1988\0iso-ir-144\0cyrillic\0csISOLatinCyrillic\0" },
{ /*268456065*/ KCharacterSetIdentifierIso88597, 10, "ISO-8859-7\0ISO_8859-7:1987\0iso-ir-126\0ELOT_928\0ECMA-118\0greek\0greek8\0csISOLatinGreek\0" },
{ /*268456066*/ KCharacterSetIdentifierIso88599, 12, "ISO-8859-9\0ISO_8859-9:1989\0iso-ir-148\0latin5\0l5\0csISOLatin5\0" },
{ /*268456875*/ KCharacterSetIdentifierSms7Bit, 0, "SMS 7-bit\0" },
{ /*268458028*/ KCharacterSetIdentifierUtf7, 103, "UTF-7\0UNICODE-1-1-UTF-7\0CSUNICODE11UTF7\0" },
// { /*268458029*/ KCharacterSetIdentifierUtf8, 106, "UTF-8\0" },
{ /*268458030*/ KCharacterSetIdentifierImapUtf7, 0, "IMAP UTF-7\0" },
{ /*268458031*/ KCharacterSetIdentifierJavaConformantUtf8, 0, "JAVA UTF-8\0" },
{ /*268458454*/ 268458454, 2250, "Windows-1250\0CP1250\0MS-EE\0" },
{ /*268458455*/ 268458455, 2251, "Windows-1251\0CP1251\0MS-CYRL\0" },
{ /*268458456*/ 268458456, 2253, "Windows-1253\0CP1253\0MS-GREEK\0" },
{ /*268458457*/ 268458457, 2254, "Windows-1254\0CP1254\0MS-TURK\0" },
{ /*268458458*/ 268458458, 2257, "Windows-1257\0CP1257\0WINBALTRIM\0" },
{ /*268460133*/ KCharacterSetIdentifierHz, 2085, "HZ-GB-2312\0HZ\0" },
{ /*268460134*/ KCharacterSetIdentifierJis, 16, "JIS_Encoding\0JIS\0" },
{ /*268460135*/ KCharacterSetIdentifierEucJpPacked, 18, "EUC-JP\0Extended_UNIX_Code_Packed_Format_for_Japanese\0csEUCPkdFmtJapanese\0EUCJP_PACKED\0" },
{ /*268461728*/ KCharacterSetIdentifierIso2022Jp, 39, "ISO-2022-JP\0csISO2022JP\0JIS7\0" },
{ /*268461731*/ KCharacterSetIdentifierIso2022Jp1, 0, "ISO2022JP1\0" },
{ /*268470824*/ KCharacterSetIdentifierIso88593, 6, "ISO-8859-3\0ISO_8859-3:1988\0iso-ir-109\0latin3\0l3\0csISOLatin3\0" },
{ /*268470825*/ KCharacterSetIdentifierIso88596, 9, "ISO-8859-6\0ISO_8859-6:1987\0iso-ir-127\0ECMA-114\0ASMO-708\0arabic\0ISO88596\0csISOLatinArabic\0ARABIC\0" },
{ /*268470826*/ KCharacterSetIdentifierIso88598, 11, "ISO-8859-8\0ISO_8859-8:1988\0iso-ir-138\0hebrew\0csISOLatinHebrew\0" },
{ /*268470827*/ KCharacterSetIdentifierIso885910, 13, "ISO-8859-10\0iso-ir-157\0l6\0ISO_8859-10:1992\0csISOLatin6\0latin6\0" },
{ /*268470828*/ KCharacterSetIdentifierIso885913, 109, "ISO-8859-13\0ISO885913\0ISO-IR-179\0ISO8859-13\0L7\0LATIN7\0CSISOLATIN7\0" },
{ /*268470829*/ KCharacterSetIdentifierIso885914, 110, "ISO-8859-14\0iso-ir-199\0ISO_8859-14:1998\0latin8\0iso-celtic\0l8\0" },
{ /*268470830*/ KCharacterSetIdentifierIso885915, 111, "ISO-8859-15\0latin-9\0ISO-IR-203\0" },
// { /*270483374*/ KCharacterSetIdentifierUnicodeLittle, 1014, "UTF-16LE\0Little-Endian UNICODE\0" },
// { /*270483538*/ KCharacterSetIdentifierUnicodeBig, 1013, "UTF-16BE\0Big-Endian UNICODE\0" },
{ /*270501191*/ 270501191, 2255, "Windows-1255\0CP1255\0MS-HEBR\0" },
{ /*270501192*/ 270501192, 2256, "Windows-1256\0CP1256\0MS-ARAB\0" },
{ /*270501193*/ 270501193, 2259, "TIS-620\0ISO-IR-166\0TIS620-0\0TIS620.2529-1\0TIS620.2533-0\0TIS620.2533-1\0" },
{ /*270501194*/ 270501194, 0, "windows-874\0CP874\0IBM874\0" },
{ /*270501325*/ 270501325, 0, "SmsStrict\0" },
{ /*270501521*/ 270501521, 0, "ShiftJisDirectmap\0" },
{ /*270501542*/ 270501542, 0, "EucJpDirectmap\0" },
/* 270501691 (duplicate) Windows-1252 | windows-1252 |Windows-1252 |Code Page 1252 |CP1252 |MS-ANSI |WINDOWS-1252 |2252 */
{ /*270501729*/ 270501729, 2088, "KOI8-U\0" },
{ /*270501752*/ 270501752, 2084, "KOI8-R\0csKOI8R\0" },
{ /*270529682*/ 270529682, 1000, "ISO-10646-UCS-2\0UCS-2\0CSUNICODE\0" },
{ /*270562232*/ 270562232, 2258, "Windows-1258\0CP1258\0WINDOWS-1258\0" },
{ /*270586888*/ 270586888, 0, "J5\0" },
{ /*271011982*/ 271011982, 0, "ISCII\0" },
{ /*271066541*/ 271066541, 2009, "CP850\0IBM850\0""850\0csPC850Multilingual\0" }, // Note: ConvertCharacterSetIdentifierToMibEnumL returns Mib 0 instead of 2009
{ /*271082493*/ 271082493, 0, "EXTENDED_SMS_7BIT\0" },
{ /*271082494*/ 271082494, 0, "gsm7_turkish_single\0" },
{ /*271082495*/ 271082495, 0, "turkish_locking_gsm7ext\0" },
{ /*271082496*/ 271082496, 0, "turkish_locking_single\0" },
{ /*271082503*/ 271082503, 0, "portuguese_gsm7_single\0" },
{ /*271082504*/ 271082504, 0, "portuguese_locking_gsm7ext\0" },
{ /*271082505*/ 271082505, 0, "portuguese_locking_single\0" },
{ /*271082506*/ 271082506, 0, "spanish_gsm7_single\0" },
{ /*271082762*/ 271082762, 0, "hkscs_2004\0" },
{ /*271085624*/ 271085624, 114, "GB18030\0" },
{ /*536929574*/ 536929574, 38, "EUC-KR\0" },
{ /*536936703*/ 536936703, 0, "CP949\0" },
{ /*536936705*/ 536936705, 37, "ISO-2022-KR\0csISO2022KR\0" },
{ /*536941517*/ 536941517, 36, "KS_C_5601-1987\0iso-ir-149\0KS_C_5601-1989\0KSC_5601\0Korean\0csKSC56011987\0" },
{ /*537124345*/ 537124345, 119, "KZ-1048\0" }
};
class QSymbianTextCodec : public QTextCodec
{
public:
QString convertToUnicode(const char*, int, ConverterState*) const;
QByteArray convertFromUnicode(const QChar*, int, ConverterState*) const;
QList<QByteArray> aliases() const;
QByteArray name() const;
int mibEnum() const;
explicit QSymbianTextCodec(uint charsetId, int staticIndex = -1) : m_charsetId(charsetId), m_staticIndex(staticIndex) { }
static QSymbianTextCodec *init();
static QSymbianTextCodec *localeMapper;
private:
static CCnvCharacterSetConverter *converter();
static uint getLanguageDependentCharacterSet();
uint m_charsetId;
int m_staticIndex;
};
QSymbianTextCodec *QSymbianTextCodec::localeMapper = 0;
class QSymbianTextCodecWithName : public QSymbianTextCodec
{
public:
QSymbianTextCodecWithName(uint charsetId, const QByteArray &name)
: QSymbianTextCodec(charsetId) , m_name(name) { }
QByteArray name() const { return m_name; }
QList<QByteArray> aliases() const { return QList<QByteArray>(); }
private:
QByteArray m_name;
};
Q_GLOBAL_STATIC(QThreadStorage<CCnvCharacterSetConverter *>,gs_converterStore);
CCnvCharacterSetConverter *QSymbianTextCodec::converter()
{
CCnvCharacterSetConverter *&conv = gs_converterStore()->localData();
if (!conv)
QT_TRAP_THROWING(conv = CCnvCharacterSetConverter::NewL())
return conv;
}
QByteArray QSymbianTextCodec::name() const
{
if (m_staticIndex >= 0)
return QByteArray(codecsData[m_staticIndex].aliases);
QScopedPointer<HBufC8> buf;
QT_TRAP_THROWING(buf.reset(converter()->ConvertCharacterSetIdentifierToStandardNameL(m_charsetId, qt_s60GetRFs())))
if (buf)
return QByteArray(reinterpret_cast<const char *>(buf->Ptr()), buf->Length());
return QByteArray();
}
int QSymbianTextCodec::mibEnum() const
{
if (m_staticIndex >= 0)
return codecsData[m_staticIndex].mib;
int mib;
QT_TRAP_THROWING(mib = converter()->ConvertCharacterSetIdentifierToMibEnumL(m_charsetId, qt_s60GetRFs()))
return mib;
}
QList<QByteArray> QSymbianTextCodec::aliases() const
{
QList<QByteArray> result;
if (m_staticIndex >= 0) {
const char *aliases = codecsData[m_staticIndex].aliases;
aliases += strlen(aliases) + 1;
while (*aliases) {
int len = strlen(aliases);
result += QByteArray(aliases, len);
aliases += len + 1;
}
}
return result;
}
QString QSymbianTextCodec::convertToUnicode(const char *str, int len, ConverterState *state) const
{
uint charsetId = m_charsetId;
// no support for utf7 with state
if (state && (charsetId == KCharacterSetIdentifierUtf7 ||
charsetId == KCharacterSetIdentifierImapUtf7)) {
return QString();
}
CCnvCharacterSetConverter *converter = QSymbianTextCodec::converter();
if (!str) {
return QString();
}
//Search the character set array containing all of the character sets for which conversion is available
CCnvCharacterSetConverter::TAvailability av;
QT_TRAP_THROWING(av = converter->PrepareToConvertToOrFromL(charsetId, qt_s60GetRFs()))
if (av == CCnvCharacterSetConverter::ENotAvailable) {
return QString();
}
char *str2;
int len2;
QByteArray helperBA;
if (state && (state->remainingChars > 0)) {
// we should prepare the input string ourselves
// the real size
len2 = len + state->remainingChars;
helperBA.resize(len2);
str2 = helperBA.data();
if (state->remainingChars > 3) { // doesn't happen usually
memcpy(str2, state->d, state->remainingChars);
qFree(state->d);
state->d = 0;
} else {
char charTbl[3];
charTbl[0] = state->state_data[0];
charTbl[1] = state->state_data[1];
charTbl[2] = state->state_data[2];
memcpy(str2, charTbl, state->remainingChars);
}
memcpy(str2+state->remainingChars, str, len);
}
else {
len2 = len;
str2 = const_cast<char*>(str);
}
QString UnicodeText(len2, Qt::Uninitialized);
TPtrC8 remainderOfForeignText;
remainderOfForeignText.Set(reinterpret_cast<const unsigned char *>(str2), len2);
int numberOfUnconvertibleCharacters = 0;
int indexOfFirstUnconvertibleCharacter;
// Use null character as replacement, if it is asked
bool convertToNull = (state && (state->flags & QTextCodec::ConvertInvalidToNull));
if (convertToNull) {
_LIT8(KReplacement, "\x00");
QT_TRAP_THROWING(converter->SetReplacementForUnconvertibleUnicodeCharactersL(KReplacement))
}
// use state->invalidChars for keeping symbian state
int sState = CCnvCharacterSetConverter::KStateDefault;
if (state && (state->invalidChars != CCnvCharacterSetConverter::KStateDefault)) {
sState = state->invalidChars;
}
//Convert text encoded in a non-Unicode character set into the Unicode character set (UCS-2).
int remainingChars = -1;
int initial_size=0;
while (1) {
TPtr16 UnicodePtr(reinterpret_cast<unsigned short *>(UnicodeText.data()+initial_size), UnicodeText.size());
QT_TRAP_THROWING(remainingChars = converter->ConvertToUnicode(UnicodePtr,
remainderOfForeignText,
sState,
numberOfUnconvertibleCharacters,
indexOfFirstUnconvertibleCharacter))
initial_size += UnicodePtr.Length();
// replace 0xFFFD with 0x0000 and only if state set to convert to it
if (numberOfUnconvertibleCharacters>0 && convertToNull) {
int len2 = UnicodePtr.Length();
for (int i = indexOfFirstUnconvertibleCharacter; i < len2; i++) {
UnicodePtr[i] = 0x0000;
}
}
// success
if (remainingChars==KErrNone) {
break;
}
// if ConvertToUnicode could not consume the foreign text at all
// UTF-8: EErrorIllFormedInput = KErrCorrupt
// UCS-2: KErrNotFound
if (remainingChars == CCnvCharacterSetConverter::EErrorIllFormedInput ||
remainingChars == KErrNotFound) {
remainingChars = remainderOfForeignText.Size();
break;
}
else {
if (remainingChars < 0) {
return QString();
}
}
//
UnicodeText.resize(UnicodeText.size() + remainingChars*2);
remainderOfForeignText.Set(reinterpret_cast<const unsigned char *>(str2+len2-remainingChars), remainingChars);
}
// save symbian state
if (state) {
state->invalidChars = sState;
}
if (remainingChars > 0) {
if (!state) {
// No way to signal, if there is still remaining chars, for ex. UTF-8 still can have
// some characters hanging around.
return QString();
}
const unsigned char *charPtr = remainderOfForeignText.Right(remainingChars).Ptr();
if (remainingChars > 3) { // doesn't happen usually
state->d = (void*)qMalloc(remainingChars);
if (!state->d)
return QString();
// copy characters there
memcpy(state->d, charPtr, remainingChars);
}
else {
// fallthru is correct
switch (remainingChars) {
case 3:
state->state_data[2] = charPtr[2];
case 2:
state->state_data[1] = charPtr[1];
case 1:
state->state_data[0] = charPtr[0];
}
}
state->remainingChars = remainingChars;
}
else {
if (state) {
// If we continued from an earlier iteration
state->remainingChars = 0;
}
}
// check if any ORIGINAL headers should be left
if (initial_size > 0) {
if (!state || (state && !(state->flags & QTextCodec::IgnoreHeader))) {
// always skip headers on following state loops
if (state) {
state->flags |= QTextCodec::IgnoreHeader;
}
const TUint16 *ptr = reinterpret_cast<const TUint16 *>(UnicodeText.data());
if (ptr[0] == QChar::ByteOrderMark || ptr[0] == QChar::ByteOrderSwapped) {
return UnicodeText.mid(1, initial_size - 1);
}
}
}
if (initial_size >= 0) {
UnicodeText.resize(initial_size);
return UnicodeText;
}
else {
return QString();
}
}
QByteArray QSymbianTextCodec::convertFromUnicode(const QChar *str, int len, ConverterState *state) const
{
uint charsetId = m_charsetId;
CCnvCharacterSetConverter *converter = QSymbianTextCodec::converter();
if (!str)
return QByteArray();
if (len == 0)
return QByteArray();
// no support for utf7 with state
if (state && (charsetId == KCharacterSetIdentifierUtf7 ||
charsetId == KCharacterSetIdentifierImapUtf7))
return QByteArray();
//Get reference file session from backend
RFs &fileSession = qt_s60GetRFs();
//Search the character set array containing all of the character sets for which conversion is available
CCnvCharacterSetConverter::TAvailability av = CCnvCharacterSetConverter::ENotAvailable;
QT_TRAP_THROWING(av = converter->PrepareToConvertToOrFromL(charsetId, fileSession))
if (av == CCnvCharacterSetConverter::ENotAvailable)
return QByteArray();
// Use null character as replacement, if it is asked
if (state && (state->flags & QTextCodec::ConvertInvalidToNull)) {
_LIT8(KReplacement, "\x00");
QT_TRAP_THROWING(converter->SetReplacementForUnconvertibleUnicodeCharactersL(KReplacement))
}
else {
_LIT8(KReplacement, "?");
QT_TRAP_THROWING(converter->SetReplacementForUnconvertibleUnicodeCharactersL(KReplacement))
}
QByteArray outputBuffer;
// add header if no state (one run), or if no ignoreheader (from first state)
int bomofs = 0;
if (!state || (state && !(state->flags & QTextCodec::IgnoreHeader))) {
QChar bom(QChar::ByteOrderMark);
if (state)
state->flags |= QTextCodec::IgnoreHeader; // bom handling only on first state
switch (charsetId) {
case KCharacterSetIdentifierUcs2:
outputBuffer.append(bom.row());
outputBuffer.append(bom.cell());
bomofs = 2;
break;
case KCharacterSetIdentifierUtf8: // we don't add bom for UTF-8
case KCharacterSetIdentifierJavaConformantUtf8:
/*outputBuffer.append("\xef\xbb\xbf");
bomofs = 3;
*/
break;
case KCharacterSetIdentifierUnicodeLittle:
outputBuffer.append(bom.cell());
outputBuffer.append(bom.row());
bomofs = 2;
break;
case KCharacterSetIdentifierUnicodeBig:
outputBuffer.append(bom.row());
outputBuffer.append(bom.cell());
bomofs = 2;
break;
default:
break;
}
}
// len is 16bit chars, reserve 3 8bit chars for each input char
// jsz - it could be differentiated, to allocate less
outputBuffer.resize(len * 3 + bomofs);
// loop for too short output buffer
int unconverted;
int numberOfUnconvertibleCharacters = len;
int indexOfFirstUnconvertibleCharacter;
int convertedSize;
int lastUnconverted = 0;
int initial_size=0;
int remainderToConvert = len;
while (1) {
TPtr8 outputPtr(reinterpret_cast<unsigned char *>(outputBuffer.data() + bomofs + initial_size), outputBuffer.size() - bomofs);
TPtrC16 UnicodeText(reinterpret_cast<const unsigned short *>(str+len-remainderToConvert), remainderToConvert);
//Convert text encoded in the Unicode character set (UCS-2) into other character sets
unconverted = -1;
QT_TRAP_THROWING( unconverted = converter->ConvertFromUnicode(outputPtr,
UnicodeText,
numberOfUnconvertibleCharacters,
indexOfFirstUnconvertibleCharacter))
initial_size += outputPtr.Length();
if (unconverted < 0) {
return QByteArray();
}
if (unconverted == 0 ) {
convertedSize = initial_size;
break;
}
// check what means unconverted > 0
if (indexOfFirstUnconvertibleCharacter<0) {
// 8859-6 and 8859-8 break with certain input (string of \xc0 - \xd9 converted to unicode and back)
if (unconverted == lastUnconverted) {
return QByteArray();
}
lastUnconverted = unconverted;
}
else {
// were some character not possible to convert
}
remainderToConvert = unconverted; // len - indexOfFirstUnconvertibleCharacter;
// resize output buffer, use =op for the null check
outputBuffer.resize(outputBuffer.size() + remainderToConvert * 3 + bomofs);
};
// shorten output
outputBuffer.resize(convertedSize + bomofs);
if (state) {
state->invalidChars = numberOfUnconvertibleCharacters;
// check if any Symbian CONVERTED headers should be removed
if (state->flags & QTextCodec::IgnoreHeader && state->state_data[0] == 0) {
state->state_data[0] = 0xff; // bom handling only on first state
if (charsetId == KCharacterSetIdentifierUcs2 && outputBuffer.size() > 1) {
QChar bom(QChar::ByteOrderMark);
if (outputBuffer.at(0) == bom.row() && outputBuffer.at(1) == bom.cell()) {
outputBuffer.remove(0, 2);
} else if (outputBuffer.at(0) == bom.cell() && outputBuffer.at(1) == bom.row()) {
outputBuffer.remove(0, 2);
}
} else if ((charsetId == KCharacterSetIdentifierUtf8 ||
charsetId == KCharacterSetIdentifierJavaConformantUtf8) &&
outputBuffer.size() > 2) {
if (outputBuffer.at(0) == 0xef && outputBuffer.at(1) == 0xbb && outputBuffer.at(2) == 0xbf) {
outputBuffer.remove(0, 3);
}
} else if (charsetId == KCharacterSetIdentifierUnicodeLittle &&
outputBuffer.size() > 1) {
QChar bom(QChar::ByteOrderMark);
if (outputBuffer.at(0) == bom.row() && outputBuffer.at(1) == bom.cell()) {
outputBuffer.remove(0, 2);
}
} else if (charsetId == KCharacterSetIdentifierUnicodeBig &&
outputBuffer.size() > 1) {
QChar bom(QChar::ByteOrderSwapped);
if (outputBuffer.at(0) == bom.row() && outputBuffer.at(1) == bom.cell()) {
outputBuffer.remove(0, 2);
}
}
}
}
return outputBuffer;
}
uint QSymbianTextCodec::getLanguageDependentCharacterSet()
{
TLanguage lang = User::Language();
uint langIndex = 0;
switch (lang) {
case 14: //ELangTurkish
langIndex = KCharacterSetIdentifierIso88599; break;
case 16: //ELangRussian
langIndex = KCharacterSetIdentifierIso88595; break;
case 17: //ELangHungarian
langIndex = KCharacterSetIdentifierIso88592; break;
case 25: //ELangCzec
case 26: //ELangSlovak
case 27: //ELangPolish
case 28: //ELangSlovenian
langIndex = KCharacterSetIdentifierIso88592; break;
case 29: //ELangTaiwanChinese
case 30: //ELangHongKongChinese
langIndex = KCharacterSetIdentifierBig5; break;
case 31: //ELangPrcChinese
langIndex = KCharacterSetIdentifierGbk; break;
case 32: //ELangJapanese
langIndex = KCharacterSetIdentifierShiftJis; break;
case 33: //ELangThai
langIndex = 270501193 /*KCharacterSetIdentifierTis620*/; break;
case 37: //ELangArabic
langIndex = KCharacterSetIdentifierIso88596; break;
case 40: //ELangBelarussian
case 42: //ELangBulgarian
langIndex = KCharacterSetIdentifierIso88595; break;
case 45: //ELangCroatian
langIndex = KCharacterSetIdentifierIso88592; break;
case 49: //ELangEstonian
langIndex = KCharacterSetIdentifierIso88594; break;
case 54: //ELangGreek
case 55: //ELangCyprusGreek
langIndex = KCharacterSetIdentifierIso88597; break;
case 57: //ELangHebrew
langIndex = KCharacterSetIdentifierIso88598; break;
case 58: //ELangHindi
langIndex = 271011982/*KCharacterSetIdentifierIscii*/; break;
case 67: //ELangLatvian
case 68: //ELangLithuanian
langIndex = KCharacterSetIdentifierIso88594; break;
case 69: //ELangMacedonian
langIndex = KCharacterSetIdentifierIso88595; break;
case 78: //ELangRomanian
langIndex = KCharacterSetIdentifierIso88592; break;
case 79: //ELangSerbian
langIndex = KCharacterSetIdentifierIso88592; break;
case 91: //ELangCyprusTurkish
langIndex = KCharacterSetIdentifierIso88599; break;
case 93: //ELangUkrainian
langIndex = KCharacterSetIdentifierIso88595; break;
case 94: //ELangUrdu
langIndex = KCharacterSetIdentifierIso88596; break;
case 157: //ELangEnglish_Taiwan
case 158: //ELangEnglish_HongKong
langIndex = KCharacterSetIdentifierBig5; break;
case 159: //ELangEnglish_Prc
langIndex = KCharacterSetIdentifierGbk; break;
case 160:
langIndex = KCharacterSetIdentifierShiftJis; break;
case 161: //ELangEnglish_Thailand
langIndex = 270501193/*KCharacterSetIdentifierTis620*/; break;
}
if (langIndex > 0) {
return langIndex;
}
return KCharacterSetIdentifierCodePage1252;
}
/* Create the codecs that have aliases and return the locale mapper*/
QSymbianTextCodec *QSymbianTextCodec::init()
{
const uint localeMapperId = getLanguageDependentCharacterSet();
QScopedPointer<CArrayFix<CCnvCharacterSetConverter::SCharacterSet> > array;
QT_TRAP_THROWING(array.reset(CCnvCharacterSetConverter::CreateArrayOfCharacterSetsAvailableL(qt_s60GetRFs())))
CCnvCharacterSetConverter *converter = QSymbianTextCodec::converter();
int count = array->Count();
for (int i = 0; i < count; i++) {
int charsetId = array->At(i).Identifier();
// skip builtin Qt codecs
if (charsetId == KCharacterSetIdentifierUtf8 || charsetId == KCharacterSetIdentifierUnicodeLittle
|| charsetId == KCharacterSetIdentifierUnicodeLittle || charsetId == KCharacterSetIdentifierUnicodeBig
|| charsetId == KCharacterSetIdentifierIso88591
|| charsetId == 270501691 /* skip Windows-1252 duplicate*/) {
continue;
}
int begin = 0;
int n = sizeof(codecsData) / sizeof(codecsData[0]);
int half;
while (n > 0) {
half = n >> 1;
int middle = begin + half;
if (codecsData[middle].charsetId < charsetId) {
begin = middle + 1;
n -= half + 1;
} else {
n = half;
}
}
if (codecsData[begin].charsetId == charsetId) {
QSymbianTextCodec *c = new QSymbianTextCodec(charsetId, begin);
if (charsetId == localeMapperId)
localeMapper = c;
} else {
// We did not find the charsetId in our codecsData[], therefore we ask
// the OS for the codec name. We first try to get a "standard name" and fall
// back to array->At(i).Name(), if really needed. array->At(i).Name() is not
// guaranteed to be a correct name for QTextCodec::codecFromName().
QScopedPointer<HBufC8> buf;
QT_TRAP_THROWING(buf.reset(converter->ConvertCharacterSetIdentifierToStandardNameL(charsetId, qt_s60GetRFs())))
QByteArray name;
if (buf && buf->Length()) {
name = QByteArray(reinterpret_cast<const char *>(buf->Ptr()), buf->Length());
} else {
TPtrC charSetName = array->At(i).NameIsFileName() ? TParsePtrC(array->At(i).Name()).Name() : array->At(i).Name();
int len = charSetName.Length();
QString str;
str.setUnicode(reinterpret_cast<const QChar*>(charSetName.Ptr()), len);
name = str.toLatin1();
}
if (!name.isEmpty())
new QSymbianTextCodecWithName(charsetId, name);
}
}
return localeMapper;
}