Method parseRemoveFunc

parse/parse.go:217–242

parses the ${param%word} string function parses the ${param%%word} string function parses the ${param#word} string function parses the ${param##word} string function

(name string, accept acceptFunc)

// parses the ${param#word} string function
// parses the ${param##word} string function
func (t *Tree) parseRemoveFunc(name string, accept acceptFunc) (Node, error) {
	node := new(FuncNode)
	node.Param = name

	t.scanner.accept = accept
	t.scanner.mode = scanIdent
	switch t.scanner.scan() {
	case tokenIdent:
		node.Name = t.scanner.string()
	default:
		return nil, ErrBadSubstitution
	}

	// scan arg[1]
	{
		param, err := t.parseParam(acceptNotClosing, scanIdent)
		if err != nil {
			return nil, err
		}

		// param.Value = t.scanner.string()
		node.Args = append(node.Args, param)
	}

	return node, t.consumeRbrack()
}

// parses the ${param/pattern/string} string function
// parses the ${param//pattern/string} string function