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ferret/pkg/stdlib/html/get_inner_text.go
2019-09-07 14:03:17 -04:00

43 lines
1.0 KiB
Go

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"
)
// INNER_TEXT returns inner text string of a given or matched by CSS selector element
// @param doc (HTMLDocument|HTMLElement) - Parent document or element.
// @param selector (String, optional) - String of CSS selector.
// @returns (String) - Inner text if an element found, otherwise empty string.
func GetInnerText(ctx context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 2)
if err != nil {
return values.EmptyString, err
}
el, err := drivers.ToElement(args[0])
if err != nil {
return values.None, err
}
if len(args) == 1 {
return el.GetInnerText(ctx)
}
err = core.ValidateType(args[1], types.String)
if err != nil {
return values.None, err
}
selector := args[1].(values.String)
return el.GetInnerTextBySelector(ctx, selector)
}