#include <qtsciicodec_p.h>

Inheritance diagram for QTsciiCodec:

Public Functions
QByteArray	convertFromUnicode (const QChar , int, ConverterState ) const
	Converts the first len characters in uc from Unicode to this encoding, and returns the result in a byte array. More...

QString	convertToUnicode (const char , int, ConverterState ) const
	Converts the first len characters in chars from this encoding to Unicode, and returns the result in a QString. More...

int	mibEnum () const
	Returns the MIB enum for the encoding. More...

QByteArray	name () const
	Returns the official name for the encoding that is handled by the codec. More...

	~QTsciiCodec ()
	Destroys the text codec object. More...

Public Functions inherited from QTextCodec
virtual QList< QByteArray >	aliases () const
	Subclasses can return a number of aliases for the codec in question. More...

bool	canEncode (QChar) const
	Returns true if the Unicode character ch can be fully encoded with this codec; otherwise returns false. More...

bool	canEncode (const QString &) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.s contains the string being tested for encode-ability. More...

QByteArray	fromUnicode (const QString &uc) const
	Converts str from Unicode to the encoding of this codec, and returns the result in a QByteArray. More...

QByteArray	fromUnicode (const QChar in, int length, ConverterState state=0) const
	Converts the first number of characters from the input array from Unicode to the encoding of this codec, and returns the result in a QByteArray. More...

QTextDecoder *	makeDecoder () const
	Creates a QTextDecoder which stores enough state to decode chunks of `char *` data to create chunks of Unicode data. More...

QTextDecoder *	makeDecoder (ConversionFlags flags) const

QTextEncoder *	makeEncoder () const
	Creates a QTextEncoder which stores enough state to encode chunks of Unicode data as `char *` data. More...

QTextEncoder *	makeEncoder (ConversionFlags flags) const

QString	toUnicode (const QByteArray &) const
	Converts a from the encoding of this codec to Unicode, and returns the result in a QString. More...

QString	toUnicode (const char *chars) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.chars contains the source characters. More...

QString	toUnicode (const char in, int length, ConverterState state=0) const
	Converts the first size characters from the input from the encoding of this codec to Unicode, and returns the result in a QString. More...

Additional Inherited Members
Public Types inherited from QTextCodec
enum	ConversionFlag { DefaultConversion, ConvertInvalidToNull = 0x80000000, IgnoreHeader = 0x1, FreeFunction = 0x2 }

Static Public Functions inherited from QTextCodec
static QList< QByteArray >	availableCodecs ()
	Returns the list of all available codecs, by name. More...

static QList< int >	availableMibs ()
	Returns the list of MIBs for all available codecs. More...

static QTextCodec *	codecForCStrings ()
	Returns the codec used by QString to convert to and from `const char *` and QByteArrays. More...

static QTextCodec *	codecForHtml (const QByteArray &ba)
	Tries to detect the encoding of the provided snippet of HTML in the given byte array, ba, by checking the BOM (Byte Order Mark) and the content-type meta header and returns a QTextCodec instance that is capable of decoding the html to unicode. More...

static QTextCodec *	codecForHtml (const QByteArray &ba, QTextCodec *defaultCodec)
	Tries to detect the encoding of the provided snippet of HTML in the given byte array, ba, by checking the BOM (Byte Order Mark) and the content-type meta header and returns a QTextCodec instance that is capable of decoding the html to unicode. More...

static QTextCodec *	codecForLocale ()
	Returns a pointer to the codec most suitable for this locale. More...

static QTextCodec *	codecForMib (int mib)
	Returns the QTextCodec which matches the MIBenum mib. More...

static QTextCodec *	codecForName (const QByteArray &name)
	Searches all installed QTextCodec objects and returns the one which best matches name; the match is case-insensitive. More...

static QTextCodec *	codecForName (const char *name)
	Searches all installed QTextCodec objects and returns the one which best matches name; the match is case-insensitive. More...

static QTextCodec *	codecForTr ()
	Returns the codec used by QObject::tr() on its argument. More...

static QTextCodec *	codecForUtfText (const QByteArray &ba)
	Tries to detect the encoding of the provided snippet ba by using the BOM (Byte Order Mark) and returns a QTextCodec instance that is capable of decoding the text to unicode. More...

static QTextCodec *	codecForUtfText (const QByteArray &ba, QTextCodec *defaultCodec)
	Tries to detect the encoding of the provided snippet ba by using the BOM (Byte Order Mark) and returns a QTextCodec instance that is capable of decoding the text to unicode. More...

static void	setCodecForCStrings (QTextCodec *c)

static void	setCodecForLocale (QTextCodec *c)
	Set the codec to c; this will be returned by codecForLocale(). More...

static void	setCodecForTr (QTextCodec *c)

Protected Functions inherited from QTextCodec
	QTextCodec ()
	Constructs a QTextCodec, and gives it the highest precedence. More...

virtual	~QTextCodec ()
	Destroys the QTextCodec. More...

Detailed Description

Note: This class or function is reentrant.

Warning: This function is not part of the public interface.

Definition at line 91 of file qtsciicodec_p.h.

Constructors and Destructors

◆ ~QTsciiCodec()

QTsciiCodec::~QTsciiCodec ( )

Destroys the text codec object.

Definition at line 66 of file qtsciicodec.cpp.

67 {

68 }

Functions

◆ convertFromUnicode()

QByteArray QTsciiCodec::convertFromUnicode	(	const QChar *	uc,
		int	len,
		ConverterState *	state
	)		const

virtual

Converts the first len characters in uc from Unicode to this encoding, and returns the result in a byte array.

The state contains some conversion flags, and is used by the codec to maintain state information.

Implements QTextCodec.

Definition at line 76 of file qtsciicodec.cpp.

 {
     char replacement = '?';
     if (state) {
         if (state->flags & ConvertInvalidToNull)
             replacement = 0;
     }
     int invalid = 0;
 
     QByteArray rstr(len, Qt::Uninitialized);
     uchar* cursor = (uchar*)rstr.data();
     for (int i = 0; i < len; i++) {
         QChar ch = uc[i];
         uchar j;
         if (ch.row() == 0x00 && ch.cell() < 0x80) {
             // ASCII
             j = ch.cell();
         } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(),
                                           uc[i + 1].unicode(),
                                           uc[i + 2].unicode()))) {
             // We have to check the combined chars first!
             i += 2;
         } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(),
                                           uc[i + 1].unicode(), 0))) {
             i++;
         } else if ((j = qt_UnicodeToTSCII(uc[i].unicode(), 0, 0))) {
         } else {
             // Error
             j = replacement;
             ++invalid;
         }
         *cursor++ = j;
     }
     rstr.resize(cursor - (const uchar*)rstr.constData());
 
     if (state) {
         state->invalidChars += invalid;
     }
     return rstr;
 }

◆ convertToUnicode()

QString QTsciiCodec::convertToUnicode	(	const char *	chars,
		int	len,
		ConverterState *	state
	)		const

virtual

Converts the first len characters in chars from this encoding to Unicode, and returns the result in a QString.

The state contains some conversion flags, and is used by the codec to maintain state information.

Implements QTextCodec.

Definition at line 123 of file qtsciicodec.cpp.

 {
     QChar replacement = QChar::ReplacementCharacter;
     if (state) {
         if (state->flags & ConvertInvalidToNull)
             replacement = QChar::Null;
     }
     int invalid = 0;
 
     QString result;
     for (int i = 0; i < len; i++) {
         uchar ch = chars[i];
         if (ch < 0x80) {
             // ASCII
             result += QLatin1Char(ch);
         } else if (IsTSCIIChar(ch)) {
             // TSCII
             uint s[3];
             uint u = qt_TSCIIToUnicode(ch, s);
             uint *p = s;
             while (u--) {
                 uint c = *p++;
                 if (c)
                     result += QChar(c);
                 else {
                     result += replacement;
                     ++invalid;
                 }
             }
         } else {
             // Invalid
             result += replacement;
             ++invalid;
         }
     }
 
     if (state) {
         state->invalidChars += invalid;
     }
     return result;
 }

◆ mibEnum()

int QTsciiCodec::mibEnum ( ) const

virtual

Returns the MIB enum for the encoding.

See also: QTextCodec::mibEnum()

Implements QTextCodec.

Definition at line 180 of file qtsciicodec.cpp.

 {
   return 2107;
 }

◆ name()

QByteArray QTsciiCodec::name ( ) const

virtual

Returns the official name for the encoding that is handled by the codec.

See also: QTextCodec::name()

Implements QTextCodec.

Definition at line 170 of file qtsciicodec.cpp.

 {
     return "TSCII";
 }

The documentation for this class was generated from the following files:

/src/corelib/codecs/qtsciicodec_p.h
/src/corelib/codecs/qtsciicodec.cpp

Public Functions

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ ~QTsciiCodec()

Functions

◆ convertFromUnicode()

◆ convertToUnicode()

◆ mibEnum()

◆ name()