atom/inlineOtherContent.go

package atom

import (
	"encoding/xml"
	"fmt"
	"mime"
)

type InlineOtherContent struct {
	XMLName xml.Name `xml:"content"`
	*CommonAttributes
	AnyElement any    `xml:",chardata"`
	Type       string `xml:"type,attr,omitempty"` // MediaType
}

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

	return &InlineOtherContent{Type: 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 i.Type }

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

	if !isValidMediaType(mediaType) {
		return fmt.Errorf("type attribute of inline other content %v invalid media type", i)
	}

	if isCompositeMediaType(mediaType) {
		return fmt.Errorf("type attribute of inline other content %v must not be a composite type", i)
	}

	return nil
}