common

Documentation

Index

• Constants
• Variables
• func CloseAll(logger *zerolog.Logger, closers []io.Closer, msg string)
• func CollectFrames(ctx context.Context, receiver *values.Array, doc drivers.HTMLDocument) error
• func DeserializeStyles(input values.String) (*values.Object, error)
• func FromHTMLType(nt html.NodeType) int
• func GetInDocument(ctx context.Context, doc drivers.HTMLDocument, path []core.Value) (core.Value, error)
• func GetInElement(ctx context.Context, el drivers.HTMLElement, path []core.Value) (core.Value, error)
• func GetInNode(ctx context.Context, node drivers.HTMLNode, path []core.Value) (core.Value, error)
• func GetInPage(ctx context.Context, page drivers.HTMLPage, path []core.Value) (core.Value, error)
• func GetUserAgent(val string) string
• func IsAttribute(name string) bool
• func NewIterator(node drivers.HTMLElement) (core.Iterator, error)
• func PathToString(path []core.Value) string
• func SerializeStyles(_ context.Context, styles *values.Object) values.String
• func SetInDocument(ctx context.Context, doc drivers.HTMLDocument, path []core.Value, ...) error
• func SetInElement(ctx context.Context, el drivers.HTMLElement, path []core.Value, ...) error
• func SetInNode(_ context.Context, _ drivers.HTMLNode, path []core.Value, _ core.Value) error
• func SetInPage(ctx context.Context, page drivers.HTMLPage, path []core.Value, ...) error
• func ToHTMLType(input int) html.NodeType
• type AtomicValue
  • func NewAtomicValue(value core.Value) *AtomicValue
  • func (av *AtomicValue) Read() core.Value
  • func (av *AtomicValue) Write(writer AtomicValueWriter) error
• type AtomicValueWriter
• type Iterator
  • func (iterator *Iterator) Next(ctx context.Context) (value core.Value, key core.Value, err error)
• type LazyValue
  • func NewLazyValue(factory LazyValueFactory) *LazyValue
  • func (lv *LazyValue) Mutate(ctx context.Context, mutator func(v core.Value, err error))
  • func (lv *LazyValue) MutateIfReady(mutator func(v core.Value, err error))
  • func (lv *LazyValue) Read(ctx context.Context) (core.Value, error)
  • func (lv *LazyValue) Ready() bool
  • func (lv *LazyValue) Reload(ctx context.Context)
  • func (lv *LazyValue) Reset()
• type LazyValueFactory

Constants

const RandomUserAgent = "*"

Variables

var (
	ErrReadOnly    = core.Error(core.ErrInvalidOperation, "read only")
	ErrInvalidPath = core.Error(core.ErrInvalidOperation, "invalid path")
)

var Attributes = []string{}/* 135 elements not displayed */

Functions

func CloseAll

func CloseAll(logger *zerolog.Logger, closers []io.Closer, msg string)

func CollectFrames

func CollectFrames(ctx context.Context, receiver *values.Array, doc drivers.HTMLDocument) error

func DeserializeStyles

func DeserializeStyles(input values.String) (*values.Object, error)

func FromHTMLType

func FromHTMLType(nt html.NodeType) int

func GetInDocument

func GetInDocument(ctx context.Context, doc drivers.HTMLDocument, path []core.Value) (core.Value, error)

func GetInElement

func GetInElement(ctx context.Context, el drivers.HTMLElement, path []core.Value) (core.Value, error)

func GetInNode

func GetInNode(ctx context.Context, node drivers.HTMLNode, path []core.Value) (core.Value, error)

func GetInPage

func GetInPage(ctx context.Context, page drivers.HTMLPage, path []core.Value) (core.Value, error)

func GetUserAgent

func GetUserAgent(val string) string

func IsAttribute

func IsAttribute(name string) bool

func NewIterator

func NewIterator(
	node drivers.HTMLElement,
) (core.Iterator, error)

func PathToString

func PathToString(path []core.Value) string

func SerializeStyles

func SerializeStyles(_ context.Context, styles *values.Object) values.String

func SetInDocument

func SetInDocument(ctx context.Context, doc drivers.HTMLDocument, path []core.Value, value core.Value) error

func SetInElement

func SetInElement(ctx context.Context, el drivers.HTMLElement, path []core.Value, value core.Value) error

func SetInNode

func SetInNode(_ context.Context, _ drivers.HTMLNode, path []core.Value, _ core.Value) error

func SetInPage

func SetInPage(ctx context.Context, page drivers.HTMLPage, path []core.Value, value core.Value) error

func ToHTMLType

func ToHTMLType(input int) html.NodeType

Types

type AtomicValue

type AtomicValue struct {
	// contains filtered or unexported fields
}

AtomicValue represents an atomic value

func NewAtomicValue

func NewAtomicValue(value core.Value) *AtomicValue

func (*AtomicValue) Read

func (av *AtomicValue) Read() core.Value

Read returns an underlying value. @returns (Value) - Underlying value

func (*AtomicValue) Write

func (av *AtomicValue) Write(writer AtomicValueWriter) error

Write sets a new underlying value. If writer fails, the operations gets terminated and an underlying value remains. @param (AtomicValueWriter) - Writer function that receives a current value and returns new one. @returns (Error) - Error if write operation failed

type AtomicValueWriter

type AtomicValueWriter func(current core.Value) (core.Value, error)

AtomicValueWriter represents an atomic value writer

type Iterator

type Iterator struct {
	// contains filtered or unexported fields
}

func (*Iterator) Next

func (iterator *Iterator) Next(ctx context.Context) (value core.Value, key core.Value, err error)

type LazyValue

type LazyValue struct {
	// contains filtered or unexported fields
}

LazyValue represents a value with late initialization

func NewLazyValue

func NewLazyValue(factory LazyValueFactory) *LazyValue

func (*LazyValue) Mutate

func (lv *LazyValue) Mutate(ctx context.Context, mutator func(v core.Value, err error))

Mutate safely mutates an underlying value. Loads a value if it's not ready. Thread safe.

func (*LazyValue) MutateIfReady

func (lv *LazyValue) MutateIfReady(mutator func(v core.Value, err error))

MutateIfReady safely mutates an underlying value only if it's ready.

func (*LazyValue) Read

func (lv *LazyValue) Read(ctx context.Context) (core.Value, error)

Read returns an underlying value. Not thread safe. Should not mutated. @returns (Value) - Underlying value if successfully loaded, otherwise error

func (*LazyValue) Ready

func (lv *LazyValue) Ready() bool

Ready indicates whether the value is ready. @returns (Boolean) - Boolean value indicating whether the value is ready.

func (*LazyValue) Reload

func (lv *LazyValue) Reload(ctx context.Context)

Reload resets the storage and loads data.

func (*LazyValue) Reset

func (lv *LazyValue) Reset()

Reset resets the storage. Next call of Read will trigger the factory function again.

type LazyValueFactory

type LazyValueFactory func(ctx context.Context) (core.Value, error)

LazyValueFactory represents a value initializer