transition

package
v1.2.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 30, 2017 License: Apache-2.0 Imports: 14 Imported by: 0

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Index

Constants

View Source 
const (
	FEATURE_SEPARATOR              = "+" // separates multiple attribute sources
	ATTRIBUTE_SEPARATOR            = "|" // separates attributes in a source
	TEMPLATE_PREFIX                = ":" // output separator
	GENERIC_SEPARATOR              = "|" // output separator
	FEATURE_REQUIREMENTS_SEPARATOR = "," // separates template from requirements
	REQUIREMENTS_SEPARATOR         = ";" // separates multiple requirements
	APPROX_ELEMENTS                = 20
	ALLOW_IDLE                     = true
)

Variables

View Source 
var IDLE = &TypedTransition{'I', 0}
View Source 
var (
	S0R2l, S0Rl int = -1, -1
)

Functions

func GetArray 

func GetArray(input []interface{}) interface{}

func GetArrayInt 

func GetArrayInt(input []int) interface{}

Types

type Configuration 

type Configuration interface {
	Init(interface{})
	Terminal() bool

	Copy() Configuration
	CopyTo(Configuration)
	Clear()

	Len() int
	Previous() Configuration
	SetPrevious(Configuration)
	GetSequence() ConfigurationSequence
	SetLastTransition(Transition)
	GetLastTransition() Transition
	String() string
	Equal(otherEq util.Equaler) bool

	Address(location []byte, offset int) (nodeID int, exists bool, isGenerator bool)
	GenerateAddresses(nodeID int, location []byte) (nodeIDs []int)
	Attribute(source byte, nodeID int, attribute []byte, transitions []int) (attributeValue interface{}, exists bool, isGenerator bool)

	Assignment() uint16

	State() byte
}

type ConfigurationSequence 

type ConfigurationSequence []Configuration

func (ConfigurationSequence) Equal 

func (seq ConfigurationSequence) Equal(otherEq util.Equaler) bool

func (ConfigurationSequence) SharedTransitions 

func (seq ConfigurationSequence) SharedTransitions(other ConfigurationSequence) int

func (ConfigurationSequence) String 

func (seq ConfigurationSequence) String() string

type ConstTransition 

type ConstTransition int

func (ConstTransition) Equal 

func (b ConstTransition) Equal(other Transition) bool

func (ConstTransition) Type 

func (b ConstTransition) Type() byte

func (ConstTransition) Value 

func (b ConstTransition) Value() int

type Decision 

type Decision interface {
	Transition(Configuration) Transition
}

type FeatureGroup 

type FeatureGroup struct {
	Group      string
	Transition string
	Features   []string
	Idle       bool
	Associated bool
}

type FeatureSetup 

type FeatureSetup struct {
	FeatureGroups  []FeatureGroup  `yaml:"feature groups"`
	MorphTemplates []MorphTemplate `yaml:"morph templates"`
}

func LoadFeatureConf 

func LoadFeatureConf(conf []byte) *FeatureSetup

func LoadFeatureConfFile 

func LoadFeatureConfFile(filename string) (*FeatureSetup, error)

func (*FeatureSetup) NumFeatures 

func (s *FeatureSetup) NumFeatures() int

type FeatureTemplate 

type FeatureTemplate struct {
	Elements                                   []FeatureTemplateElement
	Requirements                               []string
	ID                                         int
	CachedElementIDs                           []int // where to find the feature elements of the template in the cache
	CachedReqIDs                               []int // cached address required to exist for element
	EWord, EPOS, EWPOS, ERel, EMHost, EMSuffix *util.EnumSet
	EMorphProp, EToken                         *util.EnumSet
	TransitionType                             string
	Associated                                 bool
}

func (FeatureTemplate) Format 

func (f FeatureTemplate) Format(val interface{}) string

func (FeatureTemplate) FormatWithGenerator 

func (f FeatureTemplate) FormatWithGenerator(val interface{}, isGenerator bool) string

func (FeatureTemplate) String 

func (f FeatureTemplate) String() string

type FeatureTemplateElement 

type FeatureTemplateElement struct {
	Address    []byte
	Offset     int
	Attributes [][]byte

	ConfStr     string
	IsGenerator bool
}

type FeaturesList 

type FeaturesList struct {
	Features   []Feature
	Transition Transition
	Previous   *FeaturesList
}

func (*FeaturesList) String 

func (l *FeaturesList) String() string

type GenericExtractor 

type GenericExtractor struct {
	EFeatures *util.EnumSet

	TransTypeGroups map[byte]*TransTypeGroup

	Concurrent bool

	Log                                                bool
	EWord, EPOS, EWPOS, ERel, EMHost, EMSuffix, EToken *util.EnumSet
	EMorphProp                                         *util.EnumSet
	POPTrans                                           Transition
}

func (*GenericExtractor) EstimatedNumberOfFeatures 

func (x *GenericExtractor) EstimatedNumberOfFeatures() int

func (*GenericExtractor) Features 

func (x *GenericExtractor) Features(instance Instance, idle bool, transType byte, transitions []int) []Feature

func (*GenericExtractor) GetFeature 

func (x *GenericExtractor) GetFeature(conf Configuration, template FeatureTemplate, featureValues, attrValues []interface{}) (interface{}, bool)

func (*GenericExtractor) GetFeatureElement 

func (x *GenericExtractor) GetFeatureElement(conf Configuration, templateElement *FeatureTemplateElement, attrValues []interface{}, transitions []int) (interface{}, bool, bool)

func (*GenericExtractor) Init 

func (x *GenericExtractor) Init()

func (*GenericExtractor) InitTypes 

func (x *GenericExtractor) InitTypes(transTypes []byte)

func (*GenericExtractor) LoadFeature 

func (x *GenericExtractor) LoadFeature(featTemplateStr string, requirements string, transitionType string, idle, associated bool) error

func (*GenericExtractor) LoadFeatureSetup 

func (x *GenericExtractor) LoadFeatureSetup(setup *FeatureSetup)

func (*GenericExtractor) LoadFeatures 

func (x *GenericExtractor) LoadFeatures(reader io.Reader) error

func (*GenericExtractor) ParseFeatureElement 

func (x *GenericExtractor) ParseFeatureElement(featElementStr string) (*FeatureTemplateElement, error)

func (*GenericExtractor) ParseFeatureTemplate 

func (x *GenericExtractor) ParseFeatureTemplate(featTemplateStr string, requirements string) (*FeatureTemplate, error)

func (*GenericExtractor) ParseMorphConfiguration 

func (x *GenericExtractor) ParseMorphConfiguration(morphTemplateStr string) *MorphElement

func (*GenericExtractor) SetLog 

func (x *GenericExtractor) SetLog(val bool)

func (*GenericExtractor) UpdateFeatureElementCache 

func (x *GenericExtractor) UpdateFeatureElementCache(feat *FeatureTemplate, idle bool)

type MorphElement 

type MorphElement struct {
	MorphType      string
	ElementAddress int
}

type MorphTemplate 

type MorphTemplate struct {
	Group        string
	Combinations []string
}

type Oracle 

type Oracle interface {
	Decision
	SetGold(interface{})
	Name() string
}

type TransTypeGroup 

type TransTypeGroup struct {
	FeatureTemplates []FeatureTemplate
	ElementEnum      *util.EnumSet
	Elements         []FeatureTemplateElement
}

type Transition 

type Transition interface {
	Type() byte
	Value() int
	Equal(other Transition) bool
}

type TransitionSystem 

type TransitionSystem interface {
	Transition(from Configuration, transition Transition) Configuration

	TransitionTypes() []string

	YieldTransitions(conf Configuration) (transType byte, transitions chan int)
	GetTransitions(conf Configuration) (transType byte, transitions []int)

	Oracle() Oracle
	AddDefaultOracle()

	Name() string
}

type TypedTransition 

type TypedTransition struct {
	T byte
	V int
}

func (*TypedTransition) Equal 

func (t *TypedTransition) Equal(other Transition) bool

func (*TypedTransition) Type 

func (t *TypedTransition) Type() byte

func (*TypedTransition) Value 

func (t *TypedTransition) Value() int

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