QDeclarativeAbstractExpression Class Reference

#include <qdeclarativeexpression_p.h>

Inheritance diagram for QDeclarativeAbstractExpression:

Public Functions
QDeclarativeContextData *	context () const
bool	isValid () const
	QDeclarativeAbstractExpression ()
virtual void	refresh ()
void	setContext (QDeclarativeContextData *)
virtual	~QDeclarativeAbstractExpression ()

Properties
QDeclarativeContextData *	m_context
QDeclarativeAbstractExpression *	m_nextExpression
QDeclarativeAbstractExpression **	m_prevExpression

Friends
class	QDeclarativeContext
class	QDeclarativeContextData
class	QDeclarativeContextPrivate

Detailed Description

Definition at line 65 of file qdeclarativeexpression_p.h.

Constructors and Destructors

QDeclarativeAbstractExpression()

QDeclarativeAbstractExpression::QDeclarativeAbstractExpression

(

)

Definition at line 830 of file qdeclarativeexpression.cpp.

: m_context(0), m_prevExpression(0), m_nextExpression(0)
{
}

~QDeclarativeAbstractExpression()

QDeclarativeAbstractExpression::~QDeclarativeAbstractExpression ( )

virtual

Definition at line 835 of file qdeclarativeexpression.cpp.

{
    if (m_prevExpression) {
        *m_prevExpression = m_nextExpression;
        if (m_nextExpression) 
            m_nextExpression->m_prevExpression = m_prevExpression;
    }
}

Functions

context()

QDeclarativeContextData * QDeclarativeAbstractExpression::context

(

)

const

Definition at line 844 of file qdeclarativeexpression.cpp.

Referenced by QDeclarativeCompiledBindingsPrivate::run(), and setContext().

{
    return m_context;
}

isValid()

bool QDeclarativeAbstractExpression::isValid

(

)

const

Definition at line 874 of file qdeclarativeexpression.cpp.

{
    return m_context != 0;
}

refresh()

void QDeclarativeAbstractExpression::refresh ( )

virtual

Reimplemented in QDeclarativeBindingPrivate.

Definition at line 870 of file qdeclarativeexpression.cpp.

Referenced by QDeclarativeContextData::refreshExpressions().

{
}

setContext()

void QDeclarativeAbstractExpression::setContext

(

QDeclarativeContextData *

context

)

Definition at line 849 of file qdeclarativeexpression.cpp.

Referenced by QDeclarativeExpressionPrivate::init(), and QDeclarativeCompiledBindings::QDeclarativeCompiledBindings().

{
    if (m_prevExpression) {
        *m_prevExpression = m_nextExpression;
        if (m_nextExpression) 
            m_nextExpression->m_prevExpression = m_prevExpression;
        m_prevExpression = 0;
        m_nextExpression = 0;
    }

    m_context = context;

    if (m_context) {
        m_nextExpression = m_context->expressions;
        if (m_nextExpression) 
            m_nextExpression->m_prevExpression = &m_nextExpression;
        m_prevExpression = &context->expressions;
        m_context->expressions = this;
    }
}

Friends and Related Functions

QDeclarativeContext

friend class QDeclarativeContext

friend

Definition at line 79 of file qdeclarativeexpression_p.h.

QDeclarativeContextData

friend class QDeclarativeContextData

friend

Definition at line 80 of file qdeclarativeexpression_p.h.

QDeclarativeContextPrivate

friend class QDeclarativeContextPrivate

friend

Definition at line 81 of file qdeclarativeexpression_p.h.

Properties

m_context

QDeclarativeContextData* QDeclarativeAbstractExpression::m_context

private

Definition at line 82 of file qdeclarativeexpression_p.h.

Referenced by QDeclarativeContextData::clearContext(), context(), isValid(), and setContext().

m_nextExpression

QDeclarativeAbstractExpression* QDeclarativeAbstractExpression::m_nextExpression

private

Definition at line 84 of file qdeclarativeexpression_p.h.

Referenced by QDeclarativeContextData::clearContext(), QDeclarativeContextData::refreshExpressions(), setContext(), and ~QDeclarativeAbstractExpression().

m_prevExpression

QDeclarativeAbstractExpression** QDeclarativeAbstractExpression::m_prevExpression

private

Definition at line 83 of file qdeclarativeexpression_p.h.

Referenced by QDeclarativeContextData::clearContext(), setContext(), and ~QDeclarativeAbstractExpression().

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

• /src/declarative/qml/qdeclarativeexpression_p.h
• /src/declarative/qml/qdeclarativeexpression.cpp