// Stylesheet returns the provided styles using the binding as the argument for the
// provided css template.
func (r *Rule) Stylesheet(bind interface{}, parentNode string) (*bcss.Stylesheet, error) {
var stylesheet bcss.Stylesheet
for _, rule := range r.depends {
sheet, err := rule.Stylesheet(bind, parentNode)
if err != nil {
return nil, err
}
stylesheet.Rules = append(stylesheet.Rules, sheet.Rules...)
}
var content bytes.Buffer
if err := r.template.Execute(&content, bind); err != nil {
return nil, err
}
sheet, err := parser.Parse(content.String())
if err != nil {
return nil, err
}
for _, rule := range sheet.Rules {
r.morphRule(rule, parentNode)
}
stylesheet.Rules = append(stylesheet.Rules, sheet.Rules...)
return &stylesheet, nil
}
// parse and display CSS file
func parseCSS(filePath string) {
input := readFile(filePath)
stylesheet, err := parser.Parse(string(input))
if err != nil {
fmt.Println("Parsing error: ", err)
os.Exit(1)
}
fmt.Println(stylesheet.String())
}
// Parses and removes stylesheets from HTML document
func (inliner *Inliner) parseStylesheets() error {
var result error
inliner.doc.Find("style").EachWithBreak(func(i int, s *goquery.Selection) bool {
stylesheet, err := parser.Parse(s.Text())
if err != nil {
result = err
return false
}
inliner.stylesheets = append(inliner.stylesheets, stylesheet)
// removes parsed stylesheet
s.Remove()
return true
})
return result
}
// LoadHTML - load the html/css code into the container
func LoadHTML(container *Container, htmlInput, cssInput io.Reader, assets HtmlAssets) ([]Activatable, error) {
document, err := html.Parse(htmlInput)
if err != nil {
log.Printf("Error parsing html: %v", err)
return []Activatable{}, err
}
css, err := ioutil.ReadAll(cssInput)
if err != nil {
log.Printf("Error reading css: %v", err)
return []Activatable{}, err
}
styles, err := parser.Parse(string(css))
if err != nil {
log.Printf("Error parsing css: %v", err)
return []Activatable{}, err
}
activatables := renderNode(container, document.FirstChild, styles, assets)
return activatables, nil
}