QLigature Class Reference

Public Member Functions
	QLigature (QChar c)
Q_UINT16	first ()
Q_UINT16	next ()
Q_UINT16	current ()
int	match (QString &str, unsigned int index)
QChar	head ()
QChar::Decomposition	tag ()

Private Attributes
Q_UINT16 *	ligatures
Q_UINT16 *	cur

Detailed Description

Definition at line 11426 of file qstring.cpp.

Constructor & Destructor Documentation

QLigature::QLigature

(

QChar

c

)

Definition at line 11444 of file qstring.cpp.

{
    const Q_UINT16 *r = ligature_info[c.row()];
    if( !r )
        ligatures = 0;
    else
    {
        const Q_UINT16 pos = r[c.cell()];
        ligatures = (Q_UINT16 *)&(ligature_map[pos]);
    }
    cur = ligatures;
}

Member Function Documentation

Q_UINT16 QLigature::current ( )

inline

Definition at line 11433 of file qstring.cpp.

{ return cur ? *cur : 0; }

Q_UINT16 QLigature::first ( )

inline

Definition at line 11431 of file qstring.cpp.

{ cur = ligatures; return cur ? *cur : 0; }

QChar QLigature::head

(

)

Definition at line 11457 of file qstring.cpp.

{
    if(current())
        return QChar(decomposition_map[current()+1]);

    return QChar::null;
}

int QLigature::match	(	QString &	str,
		unsigned int	index
	)

Definition at line 11473 of file qstring.cpp.

{
    unsigned int i=index;

    if(!current()) return 0;

    Q_UINT16 lig = current() + 2;
    Q_UINT16 ch;

    while ((i < str.length()) && (ch = decomposition_map[lig])) {
        if (str[(int)i] != QChar(ch))
            return 0;
        i++; lig++;
    }

    if (!decomposition_map[lig])
    {
        return i-index;
    }
    return 0;
}

Q_UINT16 QLigature::next ( )

inline

Definition at line 11432 of file qstring.cpp.

{ return cur && *cur ? *(cur++) : 0; }

QChar::Decomposition QLigature::tag

(

)

Definition at line 11465 of file qstring.cpp.

{
    if(current())
        return (QChar::Decomposition) decomposition_map[current()];

    return QChar::Canonical;
}

Member Data Documentation

Q_UINT16* QLigature::cur

private

Definition at line 11441 of file qstring.cpp.

Q_UINT16* QLigature::ligatures

private

Definition at line 11440 of file qstring.cpp.

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

• doxygen-1.8.11/qtools/qstring.cpp