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ferret/pkg/stdlib/html/wait_class.go
2018-10-07 21:32:30 -04:00

88 lines
2.2 KiB
Go

package html
import (
"context"
"github.com/MontFerret/ferret/pkg/html/dynamic"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
/*
* 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(_ context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 2, 4)
if err != nil {
return values.None, err
}
// document or element
err = core.ValidateType(args[0], core.HTMLDocumentType, core.HTMLElementType)
if err != nil {
return values.None, err
}
// selector or class
err = core.ValidateType(args[1], core.StringType)
if err != nil {
return values.None, err
}
timeout := values.NewInt(defaultTimeout)
// lets figure out what is passed as 1st argument
switch args[0].(type) {
case *dynamic.HTMLDocument:
// class
err = core.ValidateType(args[2], core.StringType)
if err != nil {
return values.None, err
}
doc := args[0].(*dynamic.HTMLDocument)
selector := args[1].(values.String)
class := args[2].(values.String)
if len(args) == 4 {
err = core.ValidateType(args[3], core.IntType)
if err != nil {
return values.None, err
}
timeout = args[3].(values.Int)
}
return values.None, doc.WaitForClass(selector, class, timeout)
case *dynamic.HTMLElement:
el := args[0].(*dynamic.HTMLElement)
class := args[1].(values.String)
if len(args) == 3 {
err = core.ValidateType(args[2], core.IntType)
if err != nil {
return values.None, err
}
timeout = args[3].(values.Int)
}
return values.None, el.WaitForClass(class, timeout)
default:
return values.None, core.Errors(core.ErrInvalidType, ErrNotDynamic)
}
}