// GetHtmlRenderer creates a new Renderer with the given configuration.
func GetHTMLRenderer(defaultFlags int, ctx *RenderingContext) blackfriday.Renderer {
renderParameters := blackfriday.HtmlRendererParameters{
FootnoteAnchorPrefix: viper.GetString("FootnoteAnchorPrefix"),
FootnoteReturnLinkContents: viper.GetString("FootnoteReturnLinkContents"),
}
b := len(ctx.DocumentID) != 0
if b && !ctx.getConfig().PlainIDAnchors {
renderParameters.FootnoteAnchorPrefix = ctx.DocumentID + ":" + renderParameters.FootnoteAnchorPrefix
renderParameters.HeaderIDSuffix = ":" + ctx.DocumentID
}
htmlFlags := defaultFlags
htmlFlags |= blackfriday.HTML_USE_XHTML
htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
htmlFlags |= blackfriday.HTML_FOOTNOTE_RETURN_LINKS
if ctx.getConfig().AngledQuotes {
htmlFlags |= blackfriday.HTML_SMARTYPANTS_ANGLED_QUOTES
}
if ctx.getConfig().Fractions {
htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
}
return blackfriday.HtmlRendererWithParameters(htmlFlags, "", "", renderParameters)
}
func RenderMarkdown(input []byte) []byte {
// set up the HTML renderer
htmlFlags := 0
htmlFlags |= blackfriday.HTML_USE_XHTML
htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
htmlFlags |= blackfriday.HTML_FOOTNOTE_RETURN_LINKS
renderer := &renderer{
Html: blackfriday.HtmlRendererWithParameters(htmlFlags, "", "", blackfriday.HtmlRendererParameters{
FootnoteReturnLinkContents: "↩",
}).(*blackfriday.Html),
}
// set up the parser
extensions := 0
extensions |= blackfriday.EXTENSION_NO_INTRA_EMPHASIS
extensions |= blackfriday.EXTENSION_TABLES
extensions |= blackfriday.EXTENSION_FENCED_CODE
extensions |= blackfriday.EXTENSION_AUTOLINK
extensions |= blackfriday.EXTENSION_STRIKETHROUGH
extensions |= blackfriday.EXTENSION_SPACE_HEADERS
extensions |= blackfriday.EXTENSION_HEADER_IDS
extensions |= blackfriday.EXTENSION_FOOTNOTES
return blackfriday.Markdown(input, renderer, extensions)
}
func (instance *Renderer) renderMarkdownWithContext(markup string, context Describeable, headerTypeStart int, headerIDPrefix string) (template.HTML, error) {
var err error
markup = headerPrefixPattern.ReplaceAllString(markup, "$1"+strings.Repeat("#", headerTypeStart))
markup = refPropertyPattern.ReplaceAllStringFunc(markup, func(inline string) string {
match := refPropertyPattern.FindStringSubmatch(inline)
ref := match[1]
idType := instance.resolveRef(ref, context)
element, pErr := instance.PickedDefinitions.GetSourceElementBy(idType)
if pErr != nil {
err = pErr
return inline
}
if element != nil {
targetType := instance.getDisplayIDOf(element)
display := strings.TrimSpace(match[2])
if len(display) <= 0 {
display = targetType
}
return "[``" + display + "``](#configuration.dataType." + targetType + ")"
}
err = errors.New("Unknonwn reference: %v", ref)
return markup
})
if err != nil {
return "", err
}
prefix := ""
if len(headerIDPrefix) > 0 {
prefix = headerIDPrefix + "."
}
renderer := blackfriday.HtmlRendererWithParameters(blackfriday.HTML_USE_XHTML|
blackfriday.HTML_USE_SMARTYPANTS|
blackfriday.HTML_SMARTYPANTS_FRACTIONS|
blackfriday.HTML_SMARTYPANTS_DASHES|
blackfriday.HTML_SMARTYPANTS_LATEX_DASHES,
"",
"",
blackfriday.HtmlRendererParameters{
HeaderIDPrefix: prefix,
},
)
html := blackfriday.MarkdownOptions([]byte(markup), renderer, blackfriday.Options{
Extensions: blackfriday.EXTENSION_NO_INTRA_EMPHASIS |
blackfriday.EXTENSION_TABLES |
blackfriday.EXTENSION_FENCED_CODE |
blackfriday.EXTENSION_AUTOLINK |
blackfriday.EXTENSION_STRIKETHROUGH |
blackfriday.EXTENSION_SPACE_HEADERS |
blackfriday.EXTENSION_HEADER_IDS |
blackfriday.EXTENSION_BACKSLASH_LINE_BREAK |
blackfriday.EXTENSION_DEFINITION_LISTS |
blackfriday.EXTENSION_AUTO_HEADER_IDS,
})
return template.HTML(strings.TrimSpace(string(html))), nil
}
// Render a markdown into html
func Render(markdown string) []byte {
params := blackfriday.HtmlRendererParameters{
BlockRenderer: blockRenderer,
}
renderer := blackfriday.HtmlRendererWithParameters(commonHTMLFlags, "", "", params)
html := blackfriday.Markdown([]byte(markdown), renderer, commonExtensions)
var out bytes.Buffer
mustWriteString(&out, "<div class='markdown'>")
mustWrite(&out, []byte(html))
mustWriteString(&out, "</div>")
return out.Bytes()
}
// getHTMLRenderer creates a new Blackfriday HTML Renderer with the given configuration.
func getHTMLRenderer(defaultFlags int, ctx *RenderingContext) blackfriday.Renderer {
renderParameters := blackfriday.HtmlRendererParameters{
FootnoteAnchorPrefix: viper.GetString("FootnoteAnchorPrefix"),
FootnoteReturnLinkContents: viper.GetString("FootnoteReturnLinkContents"),
}
b := len(ctx.DocumentID) != 0
if b && !ctx.getConfig().PlainIDAnchors {
renderParameters.FootnoteAnchorPrefix = ctx.DocumentID + ":" + renderParameters.FootnoteAnchorPrefix
renderParameters.HeaderIDSuffix = ":" + ctx.DocumentID
}
htmlFlags := defaultFlags
htmlFlags |= blackfriday.HTML_USE_XHTML
htmlFlags |= blackfriday.HTML_FOOTNOTE_RETURN_LINKS
if ctx.getConfig().Smartypants {
htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS
}
if ctx.getConfig().AngledQuotes {
htmlFlags |= blackfriday.HTML_SMARTYPANTS_ANGLED_QUOTES
}
if ctx.getConfig().Fractions {
htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
}
if ctx.getConfig().HrefTargetBlank {
htmlFlags |= blackfriday.HTML_HREF_TARGET_BLANK
}
if ctx.getConfig().SmartDashes {
htmlFlags |= blackfriday.HTML_SMARTYPANTS_DASHES
}
if ctx.getConfig().LatexDashes {
htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
}
return &HugoHTMLRenderer{
FileResolver: ctx.FileResolver,
LinkResolver: ctx.LinkResolver,
Renderer: blackfriday.HtmlRendererWithParameters(htmlFlags, "", "", renderParameters),
}
}
func GetHtmlRenderer(defaultFlags int, footnoteref string) blackfriday.Renderer {
renderParameters := blackfriday.HtmlRendererParameters{
FootnoteAnchorPrefix: viper.GetString("FootnoteAnchorPrefix"),
FootnoteReturnLinkContents: viper.GetString("FootnoteReturnLinkContents"),
}
if len(footnoteref) != 0 {
renderParameters.FootnoteAnchorPrefix = footnoteref + ":" +
renderParameters.FootnoteAnchorPrefix
}
htmlFlags := defaultFlags
htmlFlags |= blackfriday.HTML_USE_XHTML
htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
htmlFlags |= blackfriday.HTML_FOOTNOTE_RETURN_LINKS
return blackfriday.HtmlRendererWithParameters(htmlFlags, "", "", renderParameters)
}
