mirror of
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65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package btelegram
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import (
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"bytes"
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"github.com/russross/blackfriday"
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"html"
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)
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type customHtml struct {
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blackfriday.Renderer
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}
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func (options *customHtml) Paragraph(out *bytes.Buffer, text func() bool) {
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marker := out.Len()
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if !text() {
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out.Truncate(marker)
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return
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}
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out.WriteString("\n")
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}
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func (options *customHtml) BlockCode(out *bytes.Buffer, text []byte, lang string) {
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out.WriteString("<pre>")
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out.WriteString(html.EscapeString(string(text)))
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out.WriteString("</pre>\n")
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}
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func (options *customHtml) Header(out *bytes.Buffer, text func() bool, level int, id string) {
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options.Paragraph(out, text)
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}
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func (options *customHtml) HRule(out *bytes.Buffer) {
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out.WriteByte('\n')
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}
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func (options *customHtml) BlockQuote(out *bytes.Buffer, text []byte) {
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out.WriteString("> ")
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out.Write(text)
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out.WriteByte('\n')
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}
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func (options *customHtml) List(out *bytes.Buffer, text func() bool, flags int) {
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options.Paragraph(out, text)
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}
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func (options *customHtml) ListItem(out *bytes.Buffer, text []byte, flags int) {
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out.WriteString("- ")
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out.Write(text)
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out.WriteByte('\n')
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}
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func makeHTML(input string) string {
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return string(blackfriday.Markdown([]byte(input),
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&customHtml{blackfriday.HtmlRenderer(blackfriday.HTML_USE_XHTML|blackfriday.HTML_SKIP_IMAGES, "", "")},
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blackfriday.EXTENSION_NO_INTRA_EMPHASIS|
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blackfriday.EXTENSION_FENCED_CODE|
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blackfriday.EXTENSION_AUTOLINK|
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blackfriday.EXTENSION_SPACE_HEADERS|
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blackfriday.EXTENSION_HEADER_IDS|
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blackfriday.EXTENSION_BACKSLASH_LINE_BREAK|
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blackfriday.EXTENSION_DEFINITION_LISTS))
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}
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