common

package

v0.7.0 Latest Latest Go to latest Published: Mar 19, 2019 License: MIT Imports: 12 Imported by: 0

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const RandomUserAgent = "*"

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

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

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

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 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, value core.Value) error

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

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

func ToHTMLType(nt html.NodeType) int

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

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

type LazyValue struct {
	sync.Mutex
	// contains filtered or unexported fields
}

func NewLazyValue(factory LazyValueFactory) *LazyValue

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 (lv *LazyValue) Ready() bool

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

func (lv *LazyValue) Reset()

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

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

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

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