QScriptObjectSnapshot Class Reference

#include <qscriptobjectsnapshot_p.h>

Classes
struct	Delta

Public Functions
Delta	capture (const QScriptValue &object)
QScriptValueProperty	findProperty (const QString &name) const
QScriptValuePropertyList	properties () const
	QScriptObjectSnapshot ()
	~QScriptObjectSnapshot ()

Properties
QScriptValuePropertyList	m_properties

Detailed Description

Definition at line 63 of file qscriptobjectsnapshot_p.h.

Constructors and Destructors

QScriptObjectSnapshot()

QScriptObjectSnapshot::QScriptObjectSnapshot

(

)

Definition at line 52 of file qscriptobjectsnapshot.cpp.

{
}

~QScriptObjectSnapshot()

QScriptObjectSnapshot::~QScriptObjectSnapshot

(

)

Definition at line 56 of file qscriptobjectsnapshot.cpp.

{
}

Functions

capture()

QScriptObjectSnapshot::Delta QScriptObjectSnapshot::capture

(

const QScriptValue &

object

)

Definition at line 69 of file qscriptobjectsnapshot.cpp.

Referenced by QScriptDebuggerCommandExecutor::execute().

{
    Delta result;
    QMap<QString, QScriptValueProperty> currProps;
    QHash<QString, int> propertyNameToIndex;
    {
        int i = 0;
        QScriptValueIterator it(object);
        while (it.hasNext()) {
            it.next();
            QScriptValueProperty prop(it.name(), it.value(), it.flags());
            currProps.insert(it.name(), prop);
            propertyNameToIndex.insert(it.name(), i);
            ++i;
        }
        if (object.prototype().isValid()) {
            QString __proto__ = QString::fromLatin1("__proto__");
            QScriptValueProperty protoProp(
                __proto__, object.prototype(),
                QScriptValue::Undeletable | QScriptValue::ReadOnly);
            currProps.insert(__proto__, protoProp);
            propertyNameToIndex.insert(__proto__, i);
            ++i;
        }
    }

    QSet<QString> prevSet;
    for (int i = 0; i < m_properties.size(); ++i)
        prevSet.insert(m_properties.at(i).name());
    QSet<QString> currSet = currProps.keys().toSet();
    QSet<QString> removedProperties = prevSet - currSet;
    QSet<QString> addedProperties = currSet - prevSet;
    QSet<QString> maybeChangedProperties = currSet & prevSet;

    {
        QMap<int, QScriptValueProperty> am;
        QSet<QString>::const_iterator it;
        for (it = addedProperties.constBegin(); it != addedProperties.constEnd(); ++it) {
            int idx = propertyNameToIndex[*it];
            am[idx] = currProps[*it];
        }
        result.addedProperties = am.values();
    }

    {
        QSet<QString>::const_iterator it;
        for (it = maybeChangedProperties.constBegin(); it != maybeChangedProperties.constEnd(); ++it) {
            const QScriptValueProperty &p1 = currProps[*it];
            const QScriptValueProperty &p2 = findProperty(*it);
            if (!_q_equal(p1.value(), p2.value())
                || (p1.flags() != p2.flags())) {
                result.changedProperties.append(p1);
            }
        }
    }

    result.removedProperties = removedProperties.toList();

    m_properties = currProps.values();

    return result;
}

findProperty()

QScriptValueProperty QScriptObjectSnapshot::findProperty

(

const QString &

name

)

const

Definition at line 132 of file qscriptobjectsnapshot.cpp.

Referenced by capture().

{
    for (int i = 0; i < m_properties.size(); ++i) {
        if (m_properties.at(i).name() == name)
            return m_properties.at(i);
    }
    return QScriptValueProperty();
}

properties()

QScriptValuePropertyList QScriptObjectSnapshot::properties

(

)

const

Definition at line 141 of file qscriptobjectsnapshot.cpp.

{
    return m_properties;
}

Properties

m_properties

QScriptValuePropertyList QScriptObjectSnapshot::m_properties

private

Definition at line 81 of file qscriptobjectsnapshot_p.h.

Referenced by capture(), findProperty(), and properties().

---

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

• /src/scripttools/debugging/qscriptobjectsnapshot_p.h
• /src/scripttools/debugging/qscriptobjectsnapshot.cpp