atom/inlineOtherContent.go

package atomfeed

import (
	"errors"
	"fmt"
	"mime"
)

type InlineOtherContent struct {
	*CommonAttributes
	AnyElement any       `xml:"anyelement,omitempty"`
	Type       MediaType `xml:"type,attr,omitempty"`
}

// newInlineOtherContent creates a new InlineOtherContent. It returns a
// *InlineOtherContent and an error.
func newInlineOtherContent(mediaType string, content any) (*InlineOtherContent, error) {
	if mediaType, _, err := mime.ParseMediaType(mediaType); err != nil {
		return nil, fmt.Errorf("media type %v incompatible with inline other content", mediaType)
	}

	return &InlineOtherContent{Type: MediaType(mediaType), AnyElement: content}, nil
}

// isContent checks whether the InlineOtherContent is a Content. It returns a
// bool.
func (i *InlineOtherContent) isContent() bool { return true }

// hasSRC checks whether the InlineOtherContent has a SRC attribute. It returns
// a bool.
func (i *InlineOtherContent) hasSRC() bool { return false }

// getType returns the Type of the InlineOtherContent as a string.
func (i *InlineOtherContent) getType() string { return string(i.Type) }

// Check checks the InlineOtherContent for incompatibilities with RFC4287. It
// returns an error.
func (i *InlineOtherContent) Check() error {
	mediaType := i.getType()

	if mediaType, _, err := mime.ParseMediaType(mediaType); err != nil {
		return fmt.Errorf("type attribute %v incompatible with inline other content", mediaType)
	}

	if isCompositeMediaType(mediaType) {
		return errors.New("type attribute of inline other content must not be a composite type")
	}

	return nil
}