github.com/MontFerret/ferret@v0.18.0/pkg/stdlib/strings/escape.go (about)

     1  package strings
     2  
     3  import (
     4  	"context"
     5  	"html"
     6  
     7  	"github.com/MontFerret/ferret/pkg/runtime/core"
     8  	"github.com/MontFerret/ferret/pkg/runtime/values"
     9  )
    10  
    11  // ESCAPE_HTML escapes special characters like "<" to become "&lt;". It
    12  // escapes only five such characters: <, >, &, ' and ".
    13  // UnescapeString(EscapeString(s)) == s always holds, but the converse isn't
    14  // always true.
    15  // @param {String} uri - Uri to escape.
    16  // @return {String} - Escaped string.
    17  func EscapeHTML(_ context.Context, args ...core.Value) (core.Value, error) {
    18  	err := core.ValidateArgs(args, 1, 1)
    19  
    20  	if err != nil {
    21  		return values.None, err
    22  	}
    23  
    24  	return values.NewString(html.EscapeString(args[0].String())), nil
    25  }