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ferret/pkg/stdlib/strings/unescape.go
Tim Voronov 2cfd1040a9
Added missed UA setting (#318)
* Added misset UA setting

* Update doc_ua.fql

* Delete ferret_embedding_basic.go
2019-06-25 12:51:51 -04:00

27 lines
760 B
Go

package strings
import (
"context"
"html"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
// UnescapeHTML unescapes entities like "&lt;" to become "<". It unescapes a
// larger range of entities than EscapeString escapes. For example, "&aacute;"
// unescapes to "á", as does "&#225;" and "&#xE1;".
// UnescapeString(EscapeString(s)) == s always holds, but the converse isn't
// always true.
// @param (String) - Uri to escape.
// @returns String - Escaped string.
func UnescapeHTML(_ context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 1)
if err != nil {
return values.None, err
}
return values.NewString(html.UnescapeString(args[0].String())), nil
}