2022-06-11 09:30:22 +02:00
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package formatter
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2022-03-22 06:53:01 +01:00
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import (
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"fmt"
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"html"
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2022-06-11 09:30:22 +02:00
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"ewintr.nl/adoc/document"
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2022-03-22 06:53:01 +01:00
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"ewintr.nl/adoc/element"
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"ewintr.nl/go-kit/slugify"
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)
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2022-06-10 14:58:36 +02:00
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const htmlPageTemplate = `<!DOCTYPE html>
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<html>
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<head>
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<title>%s</title>
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</head>
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<body>
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%s</body>
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</html>
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`
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type HTML struct{}
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func NewHTML() *HTML {
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return &HTML{}
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}
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func (h *HTML) Format(doc *document.Document) string {
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return fmt.Sprintf(htmlPageTemplate, html.EscapeString(doc.Title), h.FormatFragments(doc.Content...))
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}
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func (h *HTML) FormatFragments(els ...element.Element) string {
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var html string
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for _, el := range els {
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html += h.htmlElement(el)
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}
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return html
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}
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func (h *HTML) htmlElement(el element.Element) string {
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switch v := el.(type) {
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case element.SubTitle:
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return fmt.Sprintf("<h2 id=%q>%s</h2>\n", slugify.Slugify(v.Text()), html.EscapeString(v.Text()))
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case element.SubSubTitle:
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return fmt.Sprintf("<h3 id=%q>%s</h3>\n", slugify.Slugify(v.Text()), html.EscapeString(v.Text()))
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case element.List:
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var items []element.Element
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for _, i := range v {
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items = append(items, i)
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}
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return fmt.Sprintf("<ul>\n%s</ul>\n", h.FormatFragments(items...))
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case element.ListItem:
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return fmt.Sprintf("<li>%s</li>\n", h.FormatFragments(v...))
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case element.CodeBlock:
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return fmt.Sprintf("<pre><code>%s</code></pre>", html.EscapeString(v.Text()))
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case element.Paragraph:
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return fmt.Sprintf("<p>%s</p>\n", h.FormatFragments(v.Elements...))
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case element.Strong:
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return fmt.Sprintf("<strong>%s</strong>", h.FormatFragments(v...))
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case element.Emphasis:
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return fmt.Sprintf("<em>%s</em>", h.FormatFragments(v...))
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case element.Code:
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return fmt.Sprintf("<code>%s</code>", h.FormatFragments(v...))
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case element.Link:
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return fmt.Sprintf("<a href=%q>%s</a>", v.URL, html.EscapeString(v.Title))
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case element.Word:
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return html.EscapeString(v.Text())
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case element.WhiteSpace:
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return " "
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default:
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return ""
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}
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}
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