QGDictIterator Class Reference

An internal class for implementing QDictIterator and QIntDictIterator. More...

#include <qgdict.h>

Inheritance diagram for QGDictIterator:

Public Member Functions
	QGDictIterator (const QGDict &)
	QGDictIterator (const QGDictIterator &)
QGDictIterator &	operator= (const QGDictIterator &)
	~QGDictIterator ()
QCollection::Item	toFirst ()
QCollection::Item	get () const
QString	getKeyString () const
const char *	getKeyAscii () const
intptr_t	getKeyInt () const
void *	getKeyPtr () const
QCollection::Item	operator() ()
QCollection::Item	operator++ ()
QCollection::Item	operator+= (uint)

Protected Attributes
QGDict *	dict

Private Attributes
QBaseBucket *	curNode
uint	curIndex

Friends
class	QGDict

Detailed Description

An internal class for implementing QDictIterator and QIntDictIterator.

QGDictIterator is a strictly internal class that does the heavy work for QDictIterator and QIntDictIterator.

Definition at line 167 of file qgdict.h.

Constructor & Destructor Documentation

QGDictIterator::QGDictIterator

(

const QGDict &

d

)

Definition at line 1101 of file qgdict.cpp.

{
    dict = (QGDict *)&d;                        // get reference to dict
    toFirst();                                  // set to first noe
    if ( !dict->iterators ) {
        dict->iterators = new QGDItList;        // create iterator list
        CHECK_PTR( dict->iterators );
    }
    dict->iterators->append( this );            // attach iterator to dict
}

QGDictIterator::QGDictIterator

(

const QGDictIterator &

it

)

Definition at line 1117 of file qgdict.cpp.

{
    dict = it.dict;
    curNode = it.curNode;
    curIndex = it.curIndex;
    if ( dict )
        dict->iterators->append( this );        // attach iterator to dict
}

QGDictIterator::~QGDictIterator

(

)

Definition at line 1149 of file qgdict.cpp.

{
    if ( dict )                                 // detach iterator from dict
        dict->iterators->removeRef( this );
}

Member Function Documentation

QCollection::Item QGDictIterator::get ( ) const

inline

Definition at line 196 of file qgdict.h.

{
    return curNode ? curNode->getData() : 0;
}

const char * QGDictIterator::getKeyAscii ( ) const

inline

Definition at line 206 of file qgdict.h.

{
    return curNode ? ((QAsciiBucket*)curNode)->getKey() : 0;
}

intptr_t QGDictIterator::getKeyInt ( ) const

inline

Definition at line 211 of file qgdict.h.

{
    return curNode ? ((QIntBucket*)curNode)->getKey() : 0;
}

void * QGDictIterator::getKeyPtr ( ) const

inline

Definition at line 216 of file qgdict.h.

{
    return curNode ? ((QPtrBucket*)curNode)->getKey() : 0;
}

QString QGDictIterator::getKeyString ( ) const

inline

Definition at line 201 of file qgdict.h.

{
    return curNode ? ((QStringBucket*)curNode)->getKey() : QString::null;
}

QCollection::Item QGDictIterator::operator()

(

)

Definition at line 1188 of file qgdict.cpp.

{
    if ( !dict ) {
#if defined(CHECK_NULL)
        qWarning( "QGDictIterator::operator(): Dictionary has been deleted" );
#endif
        return 0;
    }
    if ( !curNode )
        return 0;
    QCollection::Item d = curNode->getData();
    this->operator++();
    return d;
}

QCollection::Item QGDictIterator::operator++

(

)

Definition at line 1208 of file qgdict.cpp.

{
    if ( !dict ) {
#if defined(CHECK_NULL)
        qWarning( "QGDictIterator::operator++: Dictionary has been deleted" );
#endif
        return 0;
    }
    if ( !curNode )
        return 0;
    curNode = curNode->getNext();
    if ( !curNode ) {                           // no next bucket
        register uint i = curIndex + 1;         // look from next vec element
        register QBaseBucket **v = &dict->vec[i];
        while ( i < dict->size() && !(*v++) )
            i++;
        if ( i == dict->size() ) {              // nothing found
            curNode = 0;
            return 0;
        }
        curNode = dict->vec[i];
        curIndex = i;
    }
    return curNode->getData();
}

QCollection::Item QGDictIterator::operator+=

(

uint

jumps

)

Definition at line 1239 of file qgdict.cpp.

{
    while ( curNode && jumps-- )
        operator++();
    return curNode ? curNode->getData() : 0;
}

QGDictIterator & QGDictIterator::operator=

(

const QGDictIterator &

it

)

Definition at line 1132 of file qgdict.cpp.

{
    if ( dict )                                 // detach from old dict
        dict->iterators->removeRef( this );
    dict = it.dict;
    curNode = it.curNode;
    curIndex = it.curIndex;
    if ( dict )
        dict->iterators->append( this );        // attach to new list
    return *this;
}

QCollection::Item QGDictIterator::toFirst

(

)

Definition at line 1161 of file qgdict.cpp.

{
    if ( !dict ) {
#if defined(CHECK_NULL)
        qWarning( "QGDictIterator::toFirst: Dictionary has been deleted" );
#endif
        return 0;
    }
    if ( dict->count() == 0 ) {                 // empty dictionary
        curNode = 0;
        return 0;
    }
    register uint i = 0;
    register QBaseBucket **v = dict->vec;
    while ( !(*v++) )
        i++;
    curNode = dict->vec[i];
    curIndex = i;
    return curNode->getData();
}

Friends And Related Function Documentation

friend class QGDict

friend

Definition at line 169 of file qgdict.h.

Member Data Documentation

uint QGDictIterator::curIndex

private

Definition at line 193 of file qgdict.h.

QBaseBucket* QGDictIterator::curNode

private

Definition at line 192 of file qgdict.h.

QGDict* QGDictIterator::dict

protected

Definition at line 189 of file qgdict.h.

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

• doxygen-1.8.11/qtools/qgdict.h
• doxygen-1.8.11/qtools/qgdict.cpp