| /**************************************************************************** |
| ** |
| ** This file is part of the Qt Extended Opensource Package. |
| ** |
| ** Copyright (C) 2009 Trolltech ASA. |
| ** |
| ** Contact: Qt Extended Information ([email protected]) |
| ** |
| ** This file may be used under the terms of the GNU General Public License |
| ** version 2.0 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 GNU General Public |
| ** Licensing requirements will be met: |
| ** http://www.fsf.org/licensing/licenses/info/GPLv2.html. |
| ** |
| ** |
| ****************************************************************************/ |
| |
| #include <qatutils.h> |
| #include <qatresultparser.h> |
| #include <qgsmcodec.h> |
| #include <qtextcodec.h> |
| |
| /*! |
| \class QAtUtils |
| \inpublicgroup QtBaseModule |
| |
| \brief The QAtUtils class provides several utility functions that assist with interfacing to AT-based modems. |
| \ingroup telephony::serial |
| */ |
| |
| static const char hexchars[] = "0123456789ABCDEF"; |
| static bool octalEscapesFlag = false; |
| |
| /*! |
| Quote \a str so that it is suitable to be sent as an AT |
| command argument. The caller will need to add double |
| quotes to the start and end of the return value to complete |
| the AT command argument. |
| */ |
| QString QAtUtils::quote( const QString& str ) |
| { |
| // Bail out if the string does not need to be quoted. |
| if ( str.indexOf( QChar('"') ) == -1 && str.indexOf( QChar('\\') ) == -1 && |
| str.indexOf( QChar('\r') ) == -1 && str.indexOf( QChar('\n') ) == -1 ) { |
| return str; |
| } |
| |
| // Build the quoted result. |
| QString result = ""; |
| int posn = 0; |
| uint ch; |
| while ( posn < str.length() ) { |
| ch = str[posn++].unicode(); |
| if ( ch == '"' || ch == '\\' || ch == '\r' || ch == '\n' ) { |
| result += (QChar)'\\'; |
| result += (QChar)(hexchars[(ch >> 4) & 0x0F]); |
| result += (QChar)(hexchars[ch & 0x0F]); |
| } else { |
| result += (QChar)ch; |
| } |
| } |
| return result; |
| } |
| |
| /*! |
| Convert the byte array, \a binary, into a hexadecimal string. |
| |
| \sa fromHex() |
| */ |
| QString QAtUtils::toHex( const QByteArray& binary ) |
| { |
| QString str = ""; |
| static char const hexchars[] = "0123456789ABCDEF"; |
| |
| for ( int i = 0; i < binary.size(); i++ ) { |
| str += (QChar)(hexchars[ (binary[i] >> 4) & 0x0F ]); |
| str += (QChar)(hexchars[ binary[i] & 0x0F ]); |
| } |
| |
| return str; |
| } |
| |
| /*! |
| Convert a hexadecimal string, \a hex, into a byte array. |
| |
| \sa toHex() |
| */ |
| QByteArray QAtUtils::fromHex( const QString& hex ) |
| { |
| QByteArray bytes; |
| uint ch; |
| int posn; |
| int nibble, value, flag, size; |
| |
| flag = 0; |
| value = 0; |
| size = 0; |
| for ( posn = 0; posn < hex.length(); ++posn ) { |
| ch = (uint)( hex[posn].unicode() ); |
| if ( ch >= '0' && ch <= '9' ) { |
| nibble = ch - '0'; |
| } else if ( ch >= 'A' && ch <= 'F' ) { |
| nibble = ch - 'A' + 10; |
| } else if ( ch >= 'a' && ch <= 'f' ) { |
| nibble = ch - 'a' + 10; |
| } else { |
| continue; |
| } |
| value = (value << 4) | nibble; |
| flag = !flag; |
| if ( !flag ) { |
| bytes.resize( size + 1 ); |
| bytes[size++] = (char)value; |
| value = 0; |
| } |
| } |
| |
| return bytes; |
| } |
| |
| /*! |
| Decode a phone number from \a value and \a type. The \a type is |
| a type of address octet, usually 145 for international numbers |
| and 129 for local numbers. The return will normalize the |
| value to include the \c{+} prefix for international numbers. |
| |
| \sa encodeNumber() |
| */ |
| QString QAtUtils::decodeNumber( const QString& value, uint type ) |
| { |
| if ( type == 145 && value.length() != 0 && value[0] != '+' ) |
| return "+" + value; |
| else |
| return value; |
| } |
| |
| /*! |
| Read a string field and a numeric field from \a parser and |
| then decode them into a properly normalized phone number. |
| |
| \sa encodeNumber() |
| */ |
| QString QAtUtils::decodeNumber( QAtResultParser& parser ) |
| { |
| QString value = parser.readString(); |
| uint type = parser.readNumeric(); |
| return decodeNumber( value, type ); |
| } |
| |
| /*! |
| Encode the phone number in \a value into a string plus a |
| type of address octet. International numbers that start |
| with \c{+} become \c{"number",145}, and local numbers |
| become \c{"number",129}. If \a keepPlus is true, |
| then the \c{+} will be left on the resulting number, |
| even if the type is 145. |
| |
| \sa decodeNumber() |
| */ |
| QString QAtUtils::encodeNumber( const QString& value, bool keepPlus ) |
| { |
| if (value.isNull()) |
| return "\"\",129"; |
| |
| if ( value.length() > 0 && value[0] == '+' ) { |
| if ( keepPlus ) |
| return "\"" + quote( value ) + "\",145"; |
| else |
| return "\"" + quote( value.mid(1) ) + "\",145"; |
| } else { |
| return "\"" + quote( value ) + "\",129"; |
| } |
| } |
| |
| static int FromHexDigit( uint ch ) |
| { |
| if ( ch >= '0' && ch <= '9' ) { |
| return (int)( ch - '0' ); |
| } else if ( ch >= 'A' && ch <= 'F' ) { |
| return (int)( ch - 'A' + 10 ); |
| } else if ( ch >= 'a' && ch <= 'f' ) { |
| return (int)( ch - 'a' + 10 ); |
| } else { |
| return -1; |
| } |
| } |
| |
| static int FromOctalDigit( uint ch ) |
| { |
| if ( ch >= '0' && ch <= '7' ) { |
| return (int)( ch - '0' ); |
| } else { |
| return -1; |
| } |
| } |
| |
| /*! |
| Extract the next quoted string from \a buf, starting at |
| \a posn. |
| |
| \sa parseNumber(), skipField() |
| */ |
| QString QAtUtils::nextString( const QString& buf, uint& posn ) |
| { |
| QString result = ""; |
| uint ch; |
| int digit, digit2, digit3; |
| while ( posn < (uint)(buf.length()) && buf[posn] != '"' ) { |
| ++posn; |
| } |
| if ( posn >= (uint)(buf.length()) ) { |
| return result; |
| } |
| ++posn; |
| while ( posn < (uint)(buf.length()) && ( ch = buf[posn].unicode() ) != '"' ) { |
| ++posn; |
| if ( ch == '\\' ) { |
| if ( !octalEscapesFlag ) { |
| // Hex-quoted character. |
| if ( posn >= (uint)buf.length() ) |
| break; |
| digit = FromHexDigit( buf[posn].unicode() ); |
| if ( digit == -1 ) { |
| result += (QChar)'\\'; |
| continue; |
| } |
| if ( ( posn + 1 ) >= (uint)buf.length() ) { |
| ch = (uint)digit; |
| ++posn; |
| } else { |
| digit2 = FromHexDigit( buf[posn + 1].unicode() ); |
| if ( digit2 == -1 ) { |
| ch = (uint)digit; |
| ++posn; |
| } else { |
| ch = (uint)(digit * 16 + digit2); |
| posn += 2; |
| } |
| } |
| } else { |
| // Octal-quoted character. |
| if ( posn >= (uint)buf.length() ) |
| break; |
| digit = FromOctalDigit( buf[posn].unicode() ); |
| if ( digit == -1 ) { |
| result += (QChar)'\\'; |
| continue; |
| } |
| if ( ( posn + 1 ) >= (uint)buf.length() ) { |
| ch = (uint)digit; |
| ++posn; |
| } else { |
| digit2 = FromOctalDigit( buf[posn + 1].unicode() ); |
| if ( digit2 == -1 ) { |
| ch = (uint)digit; |
| ++posn; |
| } else { |
| if ( ( posn + 2 ) >= (uint)buf.length() ) { |
| ch = (uint)(digit * 8 + digit2); |
| posn += 2; |
| } else { |
| digit3 = FromOctalDigit( buf[posn + 2].unicode() ); |
| if ( digit3 == -1 ) { |
| ch = (uint)(digit * 8 + digit2); |
| posn += 2; |
| } else { |
| ch = (uint)(digit * 64 + digit2 * 8 + digit3); |
| posn += 3; |
| } |
| } |
| } |
| } |
| } |
| } |
| result += (QChar)ch; |
| } |
| if ( posn < (uint)buf.length() ) { |
| ++posn; |
| } |
| return result; |
| } |
| |
| /*! |
| Utility function for parsing a number from position \a posn in \a str. |
| |
| \sa nextString(), skipField() |
| */ |
| uint QAtUtils::parseNumber( const QString& str, uint& posn , int invalidValue) |
| { |
| uint num = 0; |
| int isValid = 0; |
| while ( posn < (uint)str.length() && ( str[posn] == ' ' || str[posn] == ',' ) ) { |
| ++posn; |
| } |
| while ( posn < (uint)str.length() && str[posn] >= '0' && str[posn] <= '9' ) { |
| isValid = 1; |
| num = num * 10 + (uint)(str[posn].unicode() - '0'); |
| ++posn; |
| } |
| if (isValid) |
| return num; |
| else |
| return invalidValue; |
| } |
| |
| /*! |
| Utility function for skipping a comma-delimited field starting |
| at \a posn within \a str. |
| |
| \sa nextString(), parseNumber() |
| */ |
| void QAtUtils::skipField( const QString& str, uint& posn ) |
| { |
| if ( posn < (uint)str.length() && str[posn] == ',' ) { |
| ++posn; |
| } |
| while ( posn < (uint)str.length() && str[posn] != ',' ) { |
| ++posn; |
| } |
| } |
| |
| class QGsmHexCodec : public QTextCodec |
| { |
| public: |
| QGsmHexCodec(); |
| ~QGsmHexCodec(); |
| |
| QByteArray name() const; |
| int mibEnum() const; |
| |
| protected: |
| QString convertToUnicode(const char *in, int length, ConverterState *state) const; |
| QByteArray convertFromUnicode(const QChar *in, int length, ConverterState *state) const; |
| }; |
| |
| QGsmHexCodec::QGsmHexCodec() |
| { |
| } |
| |
| QGsmHexCodec::~QGsmHexCodec() |
| { |
| } |
| |
| QByteArray QGsmHexCodec::name() const |
| { |
| return QByteArray( "gsm-hex" ); |
| } |
| |
| int QGsmHexCodec::mibEnum() const |
| { |
| return 61239; |
| } |
| |
| QString QGsmHexCodec::convertToUnicode(const char *in, int length, ConverterState *) const |
| { |
| QString str; |
| int nibble = 0; |
| int value = 0; |
| int digit; |
| bool secondByte = false; |
| while ( length-- > 0 ) { |
| char ch = *in++; |
| if ( ch >= '0' && ch <= '9' ) |
| digit = ch - '0'; |
| else if ( ch >= 'A' && ch <= 'F' ) |
| digit = ch - 'A' + 10; |
| else if ( ch >= 'a' && ch <= 'f' ) |
| digit = ch - 'a' + 10; |
| else |
| continue; |
| if ( !nibble ) { |
| value = digit * 16; |
| nibble = 1; |
| } else { |
| value += digit; |
| if ( !secondByte ) { |
| if ( value != 0x1B ) { |
| str += QGsmCodec::twoByteToUnicode( (unsigned short)value ); |
| } else { |
| secondByte = true; |
| } |
| } else { |
| value += 0x1B00; |
| str += QGsmCodec::twoByteToUnicode( (unsigned short)value ); |
| secondByte = false; |
| } |
| nibble = 0; |
| } |
| } |
| return str; |
| } |
| |
| QByteArray QGsmHexCodec::convertFromUnicode(const QChar *in, int length, ConverterState *) const |
| { |
| QByteArray buf; |
| while ( length-- > 0 ) { |
| unsigned short ch = QGsmCodec::twoByteFromUnicode( *in++ ); |
| if ( ch >= 256 ) { |
| buf += hexchars[ (ch >> 12) & 0x0F ]; |
| buf += hexchars[ (ch >> 8) & 0x0F ]; |
| } |
| buf += hexchars[ (ch >> 4) & 0x0F ]; |
| buf += hexchars[ ch & 0x0F ]; |
| } |
| return buf; |
| } |
| |
| class QUcs2HexCodec : public QTextCodec |
| { |
| public: |
| QUcs2HexCodec(); |
| ~QUcs2HexCodec(); |
| |
| QByteArray name() const; |
| int mibEnum() const; |
| |
| protected: |
| QString convertToUnicode(const char *in, int length, ConverterState *state) const; |
| QByteArray convertFromUnicode(const QChar *in, int length, ConverterState *state) const; |
| }; |
| |
| QUcs2HexCodec::QUcs2HexCodec() |
| { |
| } |
| |
| QUcs2HexCodec::~QUcs2HexCodec() |
| { |
| } |
| |
| QByteArray QUcs2HexCodec::name() const |
| { |
| return "ucs2-hex"; |
| } |
| |
| int QUcs2HexCodec::mibEnum() const |
| { |
| return 61240; |
| } |
| |
| QString QUcs2HexCodec::convertToUnicode(const char *in, int length, ConverterState *) const |
| { |
| QString str; |
| int nibble = 0; |
| int value = 0; |
| int digit; |
| while ( length-- > 0 ) { |
| char ch = *in++; |
| if ( ch >= '0' && ch <= '9' ) |
| digit = ch - '0'; |
| else if ( ch >= 'A' && ch <= 'F' ) |
| digit = ch - 'A' + 10; |
| else if ( ch >= 'a' && ch <= 'f' ) |
| digit = ch - 'a' + 10; |
| else |
| continue; |
| value = value * 16 + digit; |
| ++nibble; |
| if ( nibble >= 4 ) { |
| str += QChar( (ushort)value ); |
| nibble = 0; |
| value = 0; |
| } |
| } |
| return str; |
| } |
| |
| QByteArray QUcs2HexCodec::convertFromUnicode(const QChar *in, int length, ConverterState *) const |
| { |
| QByteArray buf; |
| while ( length-- > 0 ) { |
| uint ch = in->unicode(); |
| ++in; |
| buf += hexchars[ (ch >> 12) & 0x0F ]; |
| buf += hexchars[ (ch >> 8) & 0x0F ]; |
| buf += hexchars[ (ch >> 4) & 0x0F ]; |
| buf += hexchars[ ch & 0x0F ]; |
| } |
| return buf; |
| } |
| |
| class QCodePage437Codec : public QTextCodec |
| { |
| public: |
| QCodePage437Codec(); |
| ~QCodePage437Codec(); |
| |
| QByteArray name() const; |
| QList<QByteArray> aliases() const; |
| int mibEnum() const; |
| |
| protected: |
| QString convertToUnicode(const char *in, int length, ConverterState *state) const; |
| QByteArray convertFromUnicode(const QChar *in, int length, ConverterState *state) const; |
| }; |
| |
| // Convert IBM437 character codes 0x00 - 0xFF into Unicode. |
| static ushort const cp437ToUnicode[256] = |
| {0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, |
| 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, |
| 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, |
| 0x0018, 0x0019, 0x001c, 0x001b, 0x007f, 0x001d, 0x001e, 0x001f, |
| 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, |
| 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, |
| 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, |
| 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, |
| 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, |
| 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, |
| 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, |
| 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, |
| 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, |
| 0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f, |
| 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, |
| 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e, 0x001a, |
| 0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7, |
| 0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5, |
| 0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9, |
| 0x00ff, 0x00d6, 0x00dc, 0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192, |
| 0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00ba, |
| 0x00bf, 0x2310, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb, |
| 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, |
| 0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510, |
| 0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f, |
| 0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567, |
| 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256b, |
| 0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258c, 0x2590, 0x2580, |
| 0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x03bc, 0x03c4, |
| 0x03a6, 0x0398, 0x03a9, 0x03b4, 0x221e, 0x03c6, 0x03b5, 0x2229, |
| 0x2261, 0x00b1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00f7, 0x2248, |
| 0x00b0, 0x2219, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x25a0, 0x00a0}; |
| |
| |
| |
| // Convert Unicode 0x0000 - 0x00FF into IBM437. |
| static unsigned char const cp437FromUnicode[256] = |
| {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x18, 0x19, 0x7f, 0x1b, 0x1a, 0x1d, 0x1e, 0x1f, |
| 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
| 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
| 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
| 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, |
| 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, |
| 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
| 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
| 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x1c, |
| '?' , '?' , '?' , '?' , '?' , '?' , '?' , '?' , |
| '?' , '?' , '?' , '?' , '?' , '?' , '?' , '?' , |
| '?' , '?' , '?' , '?' , '?' , '?' , '?' , '?' , |
| '?' , '?' , '?' , '?' , '?' , '?' , '?' , '?' , |
| 0xff, 0xad, 0x9b, 0x9c, '?' , 0x9d, '?' , 0x15, |
| '?' , '?' , 0xa6, 0xae, 0xaa, '?' , '?' , '?' , |
| 0xf8, 0xf1, 0xfd, '?' , '?' , '?' , 0x14, 0xfa, |
| '?' , '?' , 0xa7, 0xaf, 0xac, 0xab, '?' , 0xa8, |
| '?' , '?' , '?' , '?' , 0x8e, 0x8f, 0x92, 0x80, |
| '?' , 0x90, '?' , '?' , '?' , '?' , '?' , '?' , |
| '?' , 0xa5, '?' , '?' , '?' , '?' , 0x99, '?' , |
| '?' , '?' , '?' , '?' , 0x9a, '?' , '?' , 0xe1, |
| 0x85, 0xa0, 0x83, '?' , 0x84, 0x86, 0x91, 0x87, |
| 0x8a, 0x82, 0x88, 0x89, 0x8d, 0xa1, 0x8c, 0x8b, |
| '?' , 0xa4, 0x95, 0xa2, 0x93, '?' , 0x94, 0xf6, |
| '?' , 0x97, 0xa3, 0x96, 0x81, '?' , '?' , 0x98}; |
| |
| QCodePage437Codec::QCodePage437Codec() |
| { |
| } |
| |
| QCodePage437Codec::~QCodePage437Codec() |
| { |
| } |
| |
| QByteArray QCodePage437Codec::name() const |
| { |
| return "IBM437"; |
| } |
| |
| QList<QByteArray> QCodePage437Codec::aliases() const |
| { |
| QList<QByteArray> list; |
| list << "CP437"; |
| return list; |
| } |
| |
| int QCodePage437Codec::mibEnum() const |
| { |
| return 437; |
| } |
| |
| QString QCodePage437Codec::convertToUnicode(const char *in, int length, ConverterState *) const |
| { |
| QString str; |
| if ( length >= 6 && in[0] == '8' && in[1] == '0' && |
| in[length - 4] == 'F' && in[length - 3] == 'F' && |
| in[length - 2] == 'F' && in[length - 1] == 'F') { |
| |
| // UCS-2 string embedded within a 437-encoded string. |
| int nibble = 0; |
| int value = 0; |
| int digit; |
| in += 2; |
| length -= 6; |
| while ( length-- > 0 ) { |
| char ch = *in++; |
| if ( ch >= '0' && ch <= '9' ) |
| digit = ch - '0'; |
| else if ( ch >= 'A' && ch <= 'F' ) |
| digit = ch - 'A' + 10; |
| else if ( ch >= 'a' && ch <= 'f' ) |
| digit = ch - 'a' + 10; |
| else |
| continue; |
| value = value * 16 + digit; |
| ++nibble; |
| if ( nibble >= 4 ) { |
| str += QChar( (ushort)value ); |
| nibble = 0; |
| value = 0; |
| } |
| } |
| |
| } else { |
| |
| // Regular 437-encoded string. |
| while ( length-- > 0 ) |
| str += QChar((unsigned int)cp437ToUnicode[*in++ & 0xFF]); |
| |
| } |
| return str; |
| } |
| |
| QByteArray QCodePage437Codec::convertFromUnicode(const QChar *in, int length, ConverterState *) const |
| { |
| QByteArray result; |
| unsigned int ch; |
| char *out; |
| |
| // Determine if the string should be encoded using the UCS-2 hack. |
| bool non437 = false; |
| for ( int posn = 0; !non437 && posn < length; ++posn ) { |
| ch = in[posn].unicode(); |
| if ( ch >= 0x0100 ) |
| non437 = true; |
| else if ( cp437FromUnicode[ch] == '?' && ch != '?' ) |
| non437 = true; |
| } |
| if ( non437 ) { |
| // There is a non CP437 character in this string, so use UCS-2. |
| result.resize( length * 4 + 6 ); |
| out = result.data(); |
| *out++ = '8'; |
| *out++ = '0'; |
| while ( length-- > 0 ) { |
| uint ch = in->unicode(); |
| ++in; |
| *out++ = hexchars[ (ch >> 12) & 0x0F ]; |
| *out++ = hexchars[ (ch >> 8) & 0x0F ]; |
| *out++ = hexchars[ (ch >> 4) & 0x0F ]; |
| *out++ = hexchars[ ch & 0x0F ]; |
| } |
| *out++ = 'F'; |
| *out++ = 'F'; |
| *out++ = 'F'; |
| *out = 'F'; |
| return result; |
| } |
| |
| // If we get here, we can guarantee that the string only contains |
| // valid CP437 code points between 0x0000 and 0x00FF. |
| result.resize( length ); |
| out = result.data(); |
| while ( length-- > 0 ) { |
| *out++ = (char)cp437FromUnicode[in->unicode()]; |
| ++in; |
| } |
| return result; |
| } |
| |
| class QCodePage850Codec : public QTextCodec |
| { |
| public: |
| QCodePage850Codec(); |
| ~QCodePage850Codec(); |
| |
| QByteArray name() const; |
| QList<QByteArray> aliases() const; |
| int mibEnum() const; |
| |
| protected: |
| QString convertToUnicode(const char *in, int length, ConverterState *state) const; |
| QByteArray convertFromUnicode(const QChar *in, int length, ConverterState *state) const; |
| }; |
| |
| // Convert IBM850 character codes 0x00 - 0xFF into Unicode. |
| static ushort const cp850ToUnicode[256] = { |
| 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, |
| 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, |
| 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, |
| 0x0018, 0x0019, 0x001c, 0x001b, 0x007f, 0x001d, 0x001e, 0x001f, |
| 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, |
| 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, |
| 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, |
| 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, |
| 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, |
| 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, |
| 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, |
| 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, |
| 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, |
| 0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f, |
| 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, |
| 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e, 0x001a, |
| 0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7, |
| 0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5, |
| 0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9, |
| 0x00ff, 0x00d6, 0x00dc, 0x00f8, 0x00a3, 0x00d8, 0x00d7, 0x0192, |
| 0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00ba, |
| 0x00bf, 0x00ae, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb, |
| 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00c1, 0x00c2, 0x00c0, |
| 0x00a9, 0x2563, 0x2551, 0x2557, 0x255d, 0x00a2, 0x00a5, 0x2510, |
| 0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x00e3, 0x00c3, |
| 0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x00a4, |
| 0x00f0, 0x00d0, 0x00ca, 0x00cb, 0x00c8, 0x0131, 0x00cd, 0x00ce, |
| 0x00cf, 0x2518, 0x250c, 0x2588, 0x2584, 0x00a6, 0x00cc, 0x2580, |
| 0x00d3, 0x00df, 0x00d4, 0x00d2, 0x00f5, 0x00d5, 0x00b5, 0x00fe, |
| 0x00de, 0x00da, 0x00db, 0x00d9, 0x00fd, 0x00dd, 0x00af, 0x00b4, |
| 0x00ad, 0x00b1, 0x2017, 0x00be, 0x00b6, 0x00a7, 0x00f7, 0x00b8, |
| 0x00b0, 0x00a8, 0x00b7, 0x00b9, 0x00b3, 0x00b2, 0x25a0, 0x00a0, |
| }; |
| |
| // Convert Unicode 0x0000 - 0x00FF into IBM850. |
| static unsigned char const cp850FromUnicode[256] = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x18, 0x19, 0x7f, 0x1b, 0x1a, 0x1d, 0x1e, 0x1f, |
| 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
| 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
| 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
| 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, |
| 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, |
| 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
| 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
| 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x1c, |
| 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
| 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
| 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
| 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
| 0xff, 0xad, 0xbd, 0x9c, 0xcf, 0xbe, 0xdd, 0xf5, |
| 0xf9, 0xb8, 0xa6, 0xae, 0xaa, 0xf0, 0xa9, 0xee, |
| 0xf8, 0xf1, 0xfd, 0xfc, 0xef, 0xe6, 0xf4, 0xfa, |
| 0xf7, 0xfb, 0xa7, 0xaf, 0xac, 0xab, 0xf3, 0xa8, |
| 0xb7, 0xb5, 0xb6, 0xc7, 0x8e, 0x8f, 0x92, 0x80, |
| 0xd4, 0x90, 0xd2, 0xd3, 0xde, 0xd6, 0xd7, 0xd8, |
| 0xd1, 0xa5, 0xe3, 0xe0, 0xe2, 0xe5, 0x99, 0x9e, |
| 0x9d, 0xeb, 0xe9, 0xea, 0x9a, 0xed, 0xe8, 0xe1, |
| 0x85, 0xa0, 0x83, 0xc6, 0x84, 0x86, 0x91, 0x87, |
| 0x8a, 0x82, 0x88, 0x89, 0x8d, 0xa1, 0x8c, 0x8b, |
| 0xd0, 0xa4, 0x95, 0xa2, 0x93, 0xe4, 0x94, 0xf6, |
| 0x9b, 0x97, 0xa3, 0x96, 0x81, 0xec, 0xe7, 0x98 |
| }; |
| |
| // Compact mapping table for converting Unicode 0x0100 - 0xFFFF into IBM850. |
| static ushort const cp850MappingInput[] = { |
| 0x0110, 0x0131, 0x0192, 0x2017, 0x2022, 0x203c, 0x203e, 0x2190, |
| 0x2191, 0x2192, 0x2193, 0x2194, 0x2195, 0x21a8, 0x221f, 0x2302, |
| 0x2500, 0x2502, 0x250c, 0x2510, 0x2514, 0x2518, 0x251c, 0x2524, |
| 0x252c, 0x2534, 0x253c, 0x2550, 0x2551, 0x2554, 0x2557, 0x255a, |
| 0x255d, 0x2560, 0x2563, 0x2566, 0x2569, 0x256c, 0x2580, 0x2584, |
| 0x2588, 0x2591, 0x2592, 0x2593, 0x25a0, 0x25ac, 0x25b2, 0x25ba, |
| 0x25bc, 0x25c4, 0x25cb, 0x25d8, 0x25d9, 0x263a, 0x263b, 0x263c, |
| 0x2640, 0x2642, 0x2660, 0x2663, 0x2665, 0x2666, 0x266a, 0x266c, |
| 0xff01, 0xff02, 0xff03, 0xff04, 0xff05, 0xff06, 0xff07, 0xff08, |
| 0xff09, 0xff0a, 0xff0b, 0xff0c, 0xff0d, 0xff0e, 0xff0f, 0xff10, |
| 0xff11, 0xff12, 0xff13, 0xff14, 0xff15, 0xff16, 0xff17, 0xff18, |
| 0xff19, 0xff1a, 0xff1b, 0xff1c, 0xff1d, 0xff1e, 0xff1f, 0xff20, |
| 0xff21, 0xff22, 0xff23, 0xff24, 0xff25, 0xff26, 0xff27, 0xff28, |
| 0xff29, 0xff2a, 0xff2b, 0xff2c, 0xff2d, 0xff2e, 0xff2f, 0xff30, |
| 0xff31, 0xff32, 0xff33, 0xff34, 0xff35, 0xff36, 0xff37, 0xff38, |
| 0xff39, 0xff3a, 0xff3b, 0xff3c, 0xff3d, 0xff3e, 0xff3f, 0xff40, |
| 0xff41, 0xff42, 0xff43, 0xff44, 0xff45, 0xff46, 0xff47, 0xff48, |
| 0xff49, 0xff4a, 0xff4b, 0xff4c, 0xff4d, 0xff4e, 0xff4f, 0xff50, |
| 0xff51, 0xff52, 0xff53, 0xff54, 0xff55, 0xff56, 0xff57, 0xff58, |
| 0xff59, 0xff5a, 0xff5b, 0xff5c, 0xff5d, 0xff5e, 0xffe8, 0xffe9, |
| 0xffea, 0xffeb, 0xffec, 0xffed, 0xffee |
| }; |
| static unsigned char const cp850MappingOutput[] = { |
| 0xd1, 0xd5, 0x9f, 0xf2, 0x07, 0x13, 0xee, 0x1b, |
| 0x18, 0x1a, 0x19, 0x1d, 0x12, 0x17, 0x1c, 0x7f, |
| 0xc4, 0xb3, 0xda, 0xbf, 0xc0, 0xd9, 0xc3, 0xb4, |
| 0xc2, 0xc1, 0xc5, 0xcd, 0xba, 0xc9, 0xbb, 0xc8, |
| 0xbc, 0xcc, 0xb9, 0xcb, 0xca, 0xce, 0xdf, 0xdc, |
| 0xdb, 0xb0, 0xb1, 0xb2, 0xfe, 0x16, 0x1e, 0x10, |
| 0x1f, 0x11, 0x09, 0x08, 0x0a, 0x01, 0x02, 0x0f, |
| 0x0c, 0x0b, 0x06, 0x05, 0x03, 0x04, 0x0d, 0x0e, |
| 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, |
| 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, |
| 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, |
| 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, |
| 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, |
| 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, |
| 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, |
| 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, |
| 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, |
| 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, |
| 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, |
| 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0xb3, 0x1b, |
| 0x18, 0x1a, 0x19, 0xfe, 0x09 |
| }; |
| #define cp850MappingSize ((int)sizeof(cp850MappingInput)) |
| |
| QCodePage850Codec::QCodePage850Codec() |
| { |
| } |
| |
| QCodePage850Codec::~QCodePage850Codec() |
| { |
| } |
| |
| QByteArray QCodePage850Codec::name() const |
| { |
| return "IBM850"; |
| } |
| |
| QList<QByteArray> QCodePage850Codec::aliases() const |
| { |
| QList<QByteArray> list; |
| list << "CP850"; |
| return list; |
| } |
| |
| int QCodePage850Codec::mibEnum() const |
| { |
| return 2009; |
| } |
| |
| QString QCodePage850Codec::convertToUnicode(const char *in, int length, ConverterState *) const |
| { |
| QString str; |
| while ( length-- > 0 ) |
| str += QChar((unsigned int)cp850ToUnicode[*in++ & 0xFF]); |
| return str; |
| } |
| |
| QByteArray QCodePage850Codec::convertFromUnicode(const QChar *in, int length, ConverterState *) const |
| { |
| QByteArray result; |
| unsigned int ch; |
| char *out; |
| result.resize( length ); |
| out = result.data(); |
| while ( length-- > 0 ) { |
| ch = in->unicode(); |
| ++in; |
| if ( ch < 0x0100 ) { |
| *out++ = (char)cp850FromUnicode[ch]; |
| } else { |
| // Perform a binary search on the sparse mapping table. |
| int left = 0; |
| int right = cp850MappingSize - 1; |
| int middle; |
| while ( left <= right ) { |
| middle = (left + right) / 2; |
| if ( ch < cp850MappingInput[middle] ) { |
| right = middle - 1; |
| } else if ( ch > cp850MappingInput[middle] ) { |
| left = middle + 1; |
| } else { |
| *out++ = (char)cp850MappingOutput[middle]; |
| break; |
| } |
| } |
| if ( left > right ) { |
| *out++ = '?'; |
| } |
| } |
| } |
| return result; |
| } |
| |
| /*! |
| Returns the text codec for the GSM character set identifier \a gsmCharset. |
| The returned object should not be deleted. |
| |
| The following standard GSM character sets from 3GPP TS 27.007 are recognized: |
| |
| \table |
| \row \o \c GSM \o 7-bit default GSM alphabet. There may be some loss of information |
| where multiple Unicode characters map to the same 7-bit encoding. |
| \row \o \c HEX \o Hex encoding of the 7-bit default GSM alphabet. |
| \row \o \c UCS2 \o Hex encoding of UCS-2. |
| \row \o \c IRA \o International reference alphabet (i.e. ASCII). |
| \row \o \c PCCPxxx \o PC character set code page \c xxx. Code pages 437 and 850 |
| are guaranteed to be supported. Other code pages depend upon |
| the codecs installed with QTextCodec. |
| \row \o \c PCDN \o PC Danish/Norwegian character set (same as \c PCCP850). |
| \row \o \c UTF-8 \o 8-bit encoding of Unicode. |
| \row \o \c 8859-n \o ISO 8859 Latin-n character set. |
| \row \o \c 8859-C \o ISO 8859 Latin/Cyrillic character set (same as \c 8859-5). |
| \row \o \c 8859-A \o ISO 8859 Latin/Arabic character set (same as \c 8859-6). |
| \row \o \c 8859-G \o ISO 8859 Latin/Greek character set (same as \c 8859-7). |
| \row \o \c 8859-H \o ISO 8859 Latin/Hebrew character set (same as \c 8859-8). |
| \endtable |
| |
| This implementation also supports the following character sets, beyond those |
| mandated by 3GPP TS 27.007: |
| |
| \table |
| \row \o \c gsm-noloss \o 7-bit default GSM alphabet, with no loss of information. |
| \row \o \c xxx \o Any codec \c xxx that is supported by QTextCodec::codecForName(). |
| \endtable |
| |
| \sa QTextCodec, QGsmCodec |
| */ |
| QTextCodec *QAtUtils::codec( const QString& gsmCharset ) |
| { |
| QString cs = gsmCharset.toLower(); |
| QTextCodec *codec = 0; |
| |
| // Convert the name into an appropriate codec. |
| if ( cs == "gsm" ) { |
| // 7-bit GSM character set. |
| static QTextCodec *gsm = 0; |
| if ( !gsm ) |
| gsm = new QGsmCodec(); |
| codec = gsm; |
| } else if ( cs == "gsm-noloss" ) { |
| // 7-bit GSM character set, with no loss of quality. |
| static QTextCodec *gsmNoLoss = 0; |
| if ( !gsmNoLoss ) |
| gsmNoLoss = new QGsmCodec( true ); |
| codec = gsmNoLoss; |
| } else if ( cs == "hex" ) { |
| // Direct hex character set. The underlying character set could |
| // be anything according to the specification, but we need to pick |
| // something. We assume that it is 7-bit GSM, as that is the most |
| // likely value. |
| static QTextCodec *hex = 0; |
| if ( !hex ) |
| hex = new QGsmHexCodec(); |
| codec = hex; |
| } else if ( cs == "ucs2" ) { |
| // Hex-encoded UCS2 character set. |
| static QTextCodec *ucs2 = 0; |
| if ( !ucs2 ) |
| ucs2 = new QUcs2HexCodec(); |
| codec = ucs2; |
| } else if ( cs == "ira" ) { |
| // International Reference Alphabet (i.e. ASCII). Use Latin-1 codec. |
| codec = QTextCodec::codecForName( "ISO-8859-1" ); |
| } else if ( cs == "pccp437" ) { |
| // PC DOS code page 437, which isn't standard in Qt, |
| // but which is the default charset for Wavecom modems. |
| // |
| // Wavecom also has a horrible hack in its PCCP437 implementation |
| // to handle embedded UCS-2 character strings. A hex UCS-2 string |
| // will start with "80" and end with "FFFF". If the string does |
| // not have this format, it is interpreted as code page 437. |
| static QTextCodec *cp437 = 0; |
| if ( !cp437 ) |
| cp437 = new QCodePage437Codec(); |
| codec = cp437; |
| } else if ( cs == "pcdn" || cs == "pccp850" ) { |
| // PC Danish/Norwegian character set. Map to PC code page 850. |
| codec = QTextCodec::codecForName( "CP850" ); |
| if ( !codec ) { |
| // Qt does not have CP850 (i.e. QT_NO_CODECS is defined), |
| // so we need to provide our own implementation. The next |
| // time we are called, codecForName( "CP850" ) will return |
| // this object, so we won't need to allocate again. |
| codec = new QCodePage850Codec(); |
| } |
| } else if ( cs.startsWith( "pccp" ) ) { |
| // Some other PC DOS code page. |
| codec = QTextCodec::codecForName( "CP" + cs.mid(4).toLatin1() ); |
| } else if ( cs == "8859-c" ) { |
| // ISO 8859 Latin/Cyrillic - same as ISO-8859-5. |
| codec = QTextCodec::codecForName( "ISO-8859-5" ); |
| } else if ( cs == "8859-a" ) { |
| // ISO 8859 Latin/Arabic - same as ISO-8859-6. |
| codec = QTextCodec::codecForName( "ISO-8859-6" ); |
| } else if ( cs == "8859-g" ) { |
| // ISO 8859 Latin/Greek - same as ISO-8859-7. |
| codec = QTextCodec::codecForName( "ISO-8859-7" ); |
| } else if ( cs == "8859-h" ) { |
| // ISO 8859 Latin/Hebrew - same as ISO-8859-8. |
| codec = QTextCodec::codecForName( "ISO-8859-8" ); |
| } else if ( cs.startsWith( "8859-" ) ) { |
| // ISO-8859-n character set. |
| codec = QTextCodec::codecForName( "ISO-" + cs.toLatin1() ); |
| } else { |
| // Not one of the standard GSM charset specifiers. Look it up as-is. |
| codec = QTextCodec::codecForName( gsmCharset.toLatin1() ); |
| } |
| |
| // Return the codec that we found, or bail out with Latin1 if unknown. |
| if ( codec ) |
| return codec; |
| else |
| return QTextCodec::codecForName( "ISO-8859-1" ); |
| } |
| |
| /*! |
| Quote \a str so that it is suitable to be sent as an AT |
| command argument and use \a codec to encode the string. |
| The caller will need to add double quotes to the start and |
| end of the return value to complete the AT command argument. |
| */ |
| QString QAtUtils::quote( const QString& str, QTextCodec *codec ) |
| { |
| // Convert the string into raw bytes. |
| QByteArray bytes; |
| if ( codec ) |
| bytes = codec->fromUnicode( str ); |
| else |
| bytes = str.toLatin1(); |
| |
| // Determine if we need to apply quoting to the string. |
| if ( bytes.indexOf( '"' ) == -1 && bytes.indexOf( '\\' ) == -1 && |
| bytes.indexOf( '\r' ) == -1 && bytes.indexOf( '\n' ) == -1 ) { |
| return QString::fromLatin1( bytes.data(), bytes.length() ); |
| } |
| |
| // Create a new string for the quoted form. The result is suitable |
| // for converting to bytes again with toLatin1 in QAtChat::writeLine(). |
| QString result = ""; |
| int posn = 0; |
| int ch; |
| while ( posn < bytes.length() ) { |
| ch = bytes[posn++] & 0xFF; |
| if ( ch == '"' || ch == '\\' || ch == '\r' || ch == '\n' ) { |
| result += (QChar)'\\'; |
| result += (QChar)(hexchars[(ch >> 4) & 0x0F]); |
| result += (QChar)(hexchars[ch & 0x0F]); |
| } else { |
| result += (QChar)ch; |
| } |
| } |
| return result; |
| } |
| |
| /*! |
| Decode \a str according to \a codec. The string is assumed to have |
| been retrieved from an AT modem using the facilities in QAtChat |
| and QAtResultParser. |
| */ |
| QString QAtUtils::decode( const QString& str, QTextCodec *codec ) |
| { |
| if ( codec ) |
| return codec->toUnicode( str.toLatin1() ); |
| else |
| return str; |
| } |
| |
| /*! |
| Strip non-digit characters from \a number and normalize special |
| characters. The digit and special characters are normalized as follows: |
| |
| \table |
| \header \o Input \o Normalized \o Meaning |
| \row \o \c 0..9 \o \c 0..9 \o Numeric dialing digits |
| \row \o \c ABCD \o \c ABCD \o Alphabetic dialing digits |
| \row \o \c abcd \o \c ABCD \o Alphabetic dialing digits |
| \row \o \c ,pPxX \o \c , \o Short pause or extension separator |
| \row \o \c wW \o \c W \o Wait for dial tone |
| \row \o \c ! \o \c ! \o Hook flash |
| \row \o \c @ \o \c @ \o Wait for silence |
| \endtable |
| |
| All other characters are stripped from \a number. |
| |
| \sa QPhoneNumber::resolveLetters() |
| */ |
| QString QAtUtils::stripNumber( const QString& number ) |
| { |
| QString n = ""; |
| int posn; |
| uint ch; |
| for ( posn = 0; posn < number.length(); ++posn ) { |
| ch = number[posn].unicode(); |
| if ( ch >= '0' && ch <= '9' ) { |
| n += (QChar)ch; |
| } else if ( ch == '+' || ch == '#' || ch == '*' ) { |
| n += (QChar)ch; |
| } else if ( ch == 'A' || ch == 'B' || ch == 'C' || ch == 'D' ) { |
| // ABCD can actually be digits! |
| n += (QChar)ch; |
| } else if ( ch == 'a' || ch == 'b' || ch == 'c' || ch == 'd' ) { |
| n += (QChar)( ch - 'a' + 'A' ); |
| } else if ( ch == ',' || ch == 'p' || ch == 'P' || ch == 'X' || ch == 'x' ) { |
| // Comma and 'p' mean a short pause. |
| // 'x' means an extension, which for now is the same as a pause. |
| n += (QChar)','; |
| } else if ( ch == 'w' || ch == 'W' ) { |
| // 'w' means wait for dial tone. |
| n += (QChar)'W'; |
| } else if ( ch == '!' || ch == '@' ) { |
| // '!' = hook flash, '@' = wait for silence. |
| n += (QChar)ch; |
| } |
| } |
| return n; |
| } |
| |
| /*! |
| Returns true if nextString() should parse backslash escape |
| sequences in octal rather than the default of hexadecimal; otherwise returns false. |
| |
| \sa setOctalEscapes() |
| */ |
| bool QAtUtils::octalEscapes() |
| { |
| return octalEscapesFlag; |
| } |
| |
| /*! |
| Indicate that nextString() should parse backslash escape |
| sequences in octal if \a value is true, rather than the |
| default of hexadecimal (\a value is false). |
| |
| \sa octalEscapes() |
| */ |
| void QAtUtils::setOctalEscapes( bool value ) |
| { |
| octalEscapesFlag = value; |
| } |
| |
| enum QSMSDataCodingScheme { |
| QSMS_Compressed = 0x0020, |
| QSMS_MessageClass = 0x0010, |
| QSMS_DefaultAlphabet = 0x0000, |
| QSMS_8BitAlphabet = 0x0004, |
| QSMS_UCS2Alphabet = 0x0008, |
| QSMS_ReservedAlphabet= 0x000C |
| }; |
| |
| /*! |
| Decodes \a value according to the cell broadcast data coding scheme \a dcs. |
| The \a value is assumed to have been parsed by nextString() and be |
| compliant with section 5 of 3GPP TS 23.038. |
| |
| \sa nextString() |
| \since 4.3.3 |
| */ |
| QString QAtUtils::decodeString( const QString& value, uint dcs ) |
| { |
| // Extract just the alphabet bits. |
| QSMSDataCodingScheme scheme; |
| if ((dcs & 0xC0) == 0) |
| scheme = QSMS_DefaultAlphabet; // Other bits indicate 7-bit GSM language. |
| else |
| scheme = (QSMSDataCodingScheme)(dcs & 0x0C); |
| if ( scheme == QSMS_UCS2Alphabet ) { |
| // The string is hex-encoded UCS-2. |
| return codec("ucs2")->toUnicode( value.toLatin1() ); |
| } else if ( scheme == QSMS_8BitAlphabet ) { |
| // The string is 8-bit encoded in the current locale. |
| return QTextCodec::codecForLocale()->toUnicode( value.toLatin1() ); |
| } else { |
| // Assume that everything else is in the default GSM alphabet. |
| return codec("gsm")->toUnicode( value.toLatin1() ); |
| } |
| } |
