55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
package atom
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import (
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"encoding/xml"
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"errors"
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"fmt"
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"html"
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)
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type Generator struct {
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XMLName xml.Name `xml:"generator"`
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*CommonAttributes
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URI string `xml:"uri,attr,omitempty"` // IRI
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Version string `xml:"version,attr,omitempty"`
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Text string `xml:",chardata"`
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}
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// NewGenerator creates a new Generator. It returns a *Generator and an error.
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func NewGenerator(text string) (*Generator, error) {
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if text == "" {
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return nil, errors.New("error creating new generator: text string empty")
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}
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return &Generator{Text: html.UnescapeString(text)}, nil
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}
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// SetURI sets the URI attribute of the Generator. It returns an error.
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func (g *Generator) SetURI(uri string) error {
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if !isValidIRI(uri) {
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return fmt.Errorf("uri %v not correctly formatted", g)
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}
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return nil
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}
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// Check checks the Generator for incompatibilities with RFC4287. It returns an
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// error.
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func (g *Generator) Check() error {
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if g.URI != "" {
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if !isValidIRI(g.URI) {
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return fmt.Errorf("uri attribute of generator %v not correctly formatted", g)
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}
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}
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if g.Text == "" {
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return fmt.Errorf("text element of generator %v empty", g)
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}
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if !isCorrectlyEscaped(g.Text) {
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return fmt.Errorf("text element of generator %v not correctly escaped", g)
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}
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return nil
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}
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