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ferret/pkg/stdlib/html/wait_class.go

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package html
import (
"context"
"github.com/MontFerret/ferret/pkg/drivers"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
"github.com/MontFerret/ferret/pkg/runtime/values/types"
)
2018-10-14 19:06:27 +02:00
// WaitClass waits for a class to appear on a given element.
// Stops the execution until the navigation ends or operation times out.
// @param docOrEl (HTMLDocument|HTMLElement) - Target document or element.
// @param selectorOrClass (String) - If document is passed, this param must represent an element selector.
// Otherwise target class.
// @param classOrTimeout (String|Int, optional) - If document is passed, this param must represent target class name.
// Otherwise timeout.
// @param timeout (Int, optional) - If document is passed, this param must represent timeout.
// Otherwise not passed.
func WaitClass(ctx context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 2, 4)
if err != nil {
return values.None, err
}
// document or element
arg1 := args[0]
err = core.ValidateType(arg1, drivers.HTMLDocumentType, drivers.HTMLElementType)
if err != nil {
return values.None, err
}
// selector or class
err = core.ValidateType(args[1], types.String)
if err != nil {
return values.None, err
}
timeout := values.NewInt(defaultTimeout)
// if a document is passed
if arg1.Type() == drivers.HTMLDocumentType {
// revalidate args with more accurate amount
err := core.ValidateArgs(args, 3, 4)
if err != nil {
return values.None, err
}
// class
err = core.ValidateType(args[2], types.String)
if err != nil {
return values.None, err
}
doc := arg1.(drivers.HTMLDocument)
selector := args[1].(values.String)
class := args[2].(values.String)
if len(args) == 4 {
err = core.ValidateType(args[3], types.Int)
if err != nil {
return values.None, err
}
timeout = args[3].(values.Int)
}
ctx, fn := waitTimeout(ctx, timeout)
defer fn()
return values.None, doc.WaitForClassBySelector(ctx, selector, class)
}
el := arg1.(drivers.HTMLElement)
class := args[1].(values.String)
if len(args) == 3 {
err = core.ValidateType(args[2], types.Int)
if err != nil {
return values.None, err
}
timeout = args[2].(values.Int)
}
ctx, fn := waitTimeout(ctx, timeout)
defer fn()
return values.None, el.WaitForClass(ctx, class)
}