Added blocks into richtext and AttrDim into inline attributes

text/text.go

@@ -23,24 +23,28 @@ type Segment interface {
 // that the segment should be replaced with a hyperlink, similarly to the anchor
 // tag with href being the URL and the inner text being the text string.
 type Linker interface {
+	Segment
 	Link() (text, url string)
 }
 
 // Imager implies the segment should be replaced with a (possibly inlined)
 // image.
 type Imager interface {
+	Segment
 	Image() (url string)
 }
 
 // Colorer is a text color format that a segment could implement. This is to be
 // applied directly onto the text.
 type Colorer interface {
+	Segment
 	Color() uint32
 }
 
 // Attributor is a rich text markup format that a segment could implement. This
 // is to be applied directly onto the text.
 type Attributor interface {
+	Segment
 	Attribute() Attribute
 }
 
@@ -48,11 +52,39 @@ type Attributor interface {
 type Attribute uint16
 
 const (
+	// AttrBold represents bold text.
 	AttrBold Attribute = 1 << iota
+	// AttrItalics represents italicized text.
 	AttrItalics
+	// AttrUnderline represents underlined text.
 	AttrUnderline
+	// AttrStrikethrough represents strikethrough text.
 	AttrStrikethrough
+	// AttrSpoiler represents spoiler text, which usually looks blacked out
+	// until hovered or clicked on.
 	AttrSpoiler
+	// AttrMonospace represents monospaced text, typically for inline code.
 	AttrMonospace
-	AttrQuoted
+	// AttrDimmed represents dimmed text, typically slightly less visible than
+	// other text.
+	AttrDimmed
 )
+
+// Codeblocker is a codeblock that supports optional syntax highlighting using
+// the language given. Note that as this is a block, it will appear separately
+// from the rest of the paragraph.
+//
+// This interface is equivalent to Markdown's codeblock syntax.
+type Codeblocker interface {
+	Segment
+	CodeblockLanguage() string
+}
+
+// Quoteblocker represents a quoteblock that behaves similarly to the blockquote
+// HTML tag. The quoteblock may be represented typically by an actaul quoteblock
+// or with green arrows prepended to each line.
+type Quoteblocker interface {
+	Segment
+	// Quote does nothing; it's only here to distinguish the interface.
+	Quote()
+}