#include <berryIEvaluationContext.h>

Inheritance diagram for berry::IEvaluationContext:

Collaboration diagram for berry::IEvaluationContext:

Public Member Functions
virtual berryObjectMacro(berry::IEvaluationContext) static Object	~IEvaluationContext ()

virtual IEvaluationContext *	GetParent () const =0

virtual IEvaluationContext *	GetRoot () const =0

virtual void	SetAllowPluginActivation (bool value)=0

virtual bool	GetAllowPluginActivation () const =0

virtual Object::ConstPointer	GetDefaultVariable () const =0

virtual void	AddVariable (const QString &name, const Object::ConstPointer &value)=0

virtual Object::ConstPointer	RemoveVariable (const QString &name)=0

virtual Object::ConstPointer	GetVariable (const QString &name) const =0

virtual Object::ConstPointer	ResolveVariable (const QString &name, const QList< Object::Pointer > &args) const =0

Public Member Functions inherited from berry::Object
virtual QString	GetClassName () const

virtual Reflection::TypeInfo	GetTypeInfo () const

virtual QList< Reflection::TypeInfo >	GetSuperclasses () const

virtual void	Delete ()

QDebug	Print (QDebug os, Indent Indent=0) const

virtual QString	ToString () const

virtual uint	HashCode () const

virtual bool	operator< (const Object *) const

void	Register () const

void	UnRegister (bool del=true) const

int	GetReferenceCount () const

void	SetReferenceCount (int)

void	AddDestroyListener (const MessageAbstractDelegate<> &delegate) const

void	RemoveDestroyListener (const MessageAbstractDelegate<> &delegate) const

virtual bool	operator== (const Object *) const

Additional Inherited Members
Public Types inherited from berry::Object
typedef Object	Self

typedef berry::SmartPointer< Self >	Pointer

typedef berry::SmartPointer< const Self >	ConstPointer

typedef berry::WeakPointer< Self >	WeakPtr

typedef berry::WeakPointer< const Self >	ConstWeakPtr

Static Public Member Functions inherited from berry::Object
static const char *	GetStaticClassName ()

static Reflection::TypeInfo	GetStaticTypeInfo ()

static QList< Reflection::TypeInfo >	GetStaticSuperclasses ()

Protected Member Functions inherited from berry::Object
	Object ()

virtual	~Object ()

virtual QDebug	PrintSelf (QDebug os, Indent indent) const

virtual QDebug	PrintHeader (QDebug os, Indent indent) const

virtual QDebug	PrintTrailer (QDebug os, Indent indent) const

Protected Attributes inherited from berry::Object
QAtomicInt	m_ReferenceCount

QMutex	m_ReferenceCountLock

Detailed Description

An evaluation context is used to manage a set of objects needed during XML expression evaluation. A context has a parent context, can manage a set of named variables and has a default variable. The default variable is used during XML expression evaluation if no explicit variable is referenced.

This interface is not intended to be implemented by clients. Clients are allowed to instantiate EvaluationContext.

Since: 3.0

Definition at line 40 of file berryIEvaluationContext.h.

Constructor & Destructor Documentation

berry::IEvaluationContext::~IEvaluationContext ( )

virtual

Represents the value used by variables that exist but are not defined in a evaluation context. When tested by the 'with' expression, false will be returned.

Definition at line 27 of file berryIEvaluationContext.cpp.

Member Function Documentation

virtual void berry::IEvaluationContext::AddVariable	(	const QString &	name,
		const Object::ConstPointer &	value
	)

pure virtual

Adds a new named variable to this context. If a variable with the name already exists the new one overrides the existing one.

Parameters

name	the variable's name
value	the variable's value

Implemented in berry::EvaluationContext.

virtual bool berry::IEvaluationContext::GetAllowPluginActivation ( ) const

pure virtual

Returns whether this evaluation context supports plug-in activation. If not set via setAllowPluginActivation(boolean) the parent value is returned. If no parent is set false is returned.

Returns: whether plug-in activation is supported or not

Since: 3.2

Implemented in berry::EvaluationContext.

Referenced by berry::EvaluationContext::GetAllowPluginActivation().

virtual Object::ConstPointer berry::IEvaluationContext::GetDefaultVariable ( ) const

pure virtual

Returns the default variable.

Returns: the default variable or null if no default variable is managed.

Implemented in berry::EvaluationContext.

virtual IEvaluationContext* berry::IEvaluationContext::GetParent ( ) const

pure virtual

Returns the parent context or null if this is the root of the evaluation context hierarchy.

Returns: the parent evaluation context or null

Implemented in berry::EvaluationContext.

virtual IEvaluationContext* berry::IEvaluationContext::GetRoot ( ) const

pure virtual

Returns the root evaluation context.

Returns: the root evaluation context

Implemented in berry::EvaluationContext.

Referenced by berry::EvaluationContext::GetRoot().

virtual Object::ConstPointer berry::IEvaluationContext::GetVariable ( const QString & name ) const

pure virtual

Returns the variable managed under the given name.

Parameters

name	the variable's name

Returns: the variable's value or null if the content doesn't manage a variable with the given name

Implemented in berry::EvaluationContext.

Referenced by berry::EvaluationContext::GetVariable().

virtual Object::ConstPointer berry::IEvaluationContext::RemoveVariable ( const QString & name )

pure virtual

Removes the variable managed under the given name from this evaluation context.

Parameters

name	the variable's name

Returns: the currently stored value or null if the variable doesn't exist

Implemented in berry::EvaluationContext.

virtual Object::ConstPointer berry::IEvaluationContext::ResolveVariable	(	const QString &	name,
		const QList< Object::Pointer > &	args
	)		const

pure virtual

Resolves a variable for the given name and arguments. This method can be used to dynamically resolve variable such as plug-in descriptors, resources, etc. The method is used by the resolve expression.

Parameters

name	the variable to resolve
args	an object array of arguments used to resolve the variable

Returns: the variable's value or null if no variable can be resolved for the given name and arguments

Exceptions

CoreException if an errors occurs while resolving the variable

Implemented in berry::EvaluationContext.

Referenced by berry::EvaluationContext::ResolveVariable().

virtual void berry::IEvaluationContext::SetAllowPluginActivation ( bool value )

pure virtual

Specifies whether this evaluation context allows activation of plug-ins for testers used in the expression tree. To actual trigger the plug-in loading this flag has to be set to true and the actual test expression must have the attribute forcePluginActivation set to true as well.

Parameters

value whether this evaluation context allows plug-in activation

Since: 3.2

Implemented in berry::EvaluationContext.

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation