class MotionMarkdownItPlugins::Mark
Public Class Methods
init_plugin(md)
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# File lib/motion-markdown-it-plugins/mark/mark.rb, line 9 def self.init_plugin(md) md.inline.ruler.before('emphasis', 'mark', lambda { |state, silent| Mark.tokenize(state, silent) }) md.inline.ruler2.before('emphasis', 'mark', lambda { |state| Mark.postProcess(state) }) end
postProcess(state)
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Walk through delimiter list and replace text tokens with tags
# File lib/motion-markdown-it-plugins/mark/mark.rb, line 62 def self.postProcess(state) loneMarkers = [] delimiters = state.delimiters max = state.delimiters.length i = 0 while i < max startDelim = delimiters[i] (i += 1) and next if startDelim[:marker] != 0x3D # = (i += 1) and next if startDelim[:end] == -1 endDelim = delimiters[startDelim[:end]] token = state.tokens[startDelim[:token]] token.type = 'mark_open' token.tag = 'mark' token.nesting = 1 token.markup = '==' token.content = '' token = state.tokens[endDelim[:token]] token.type = 'mark_close' token.tag = 'mark' token.nesting = -1 token.markup = '==' token.content = '' if (state.tokens[endDelim[:token] - 1].type == 'text' && state.tokens[endDelim[:token] - 1].content == '=') loneMarkers.push(endDelim[:token] - 1) end i += 1 end # If a marker sequence has an odd number of characters, it's splitted # like this: `~~~~~` -> `~` + `~~` + `~~`, leaving one marker at the # start of the sequence. # # So, we have to move all those markers after subsequent s_close tags. # while loneMarkers.length > 0 i = loneMarkers.pop j = i + 1 while j < state.tokens.length && state.tokens[j].type === 'mark_close' j += 1 end j -= 1 if i != j token = state.tokens[j] state.tokens[j] = state.tokens[i] state.tokens[i] = token end end end
tokenize(state, silent)
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Insert each marker as a separate text token, and add it to delimiter list
# File lib/motion-markdown-it-plugins/mark/mark.rb, line 16 def self.tokenize(state, silent) start = state.pos marker = charCodeAt(state.src, start) return false if silent return false if marker != 0x3D # = scanned = state.scanDelims(state.pos, true) len = scanned[:length] ch = fromCharCode(marker) return false if len < 2 if len % 2 > 0 token = state.push('text', '', 0) token.content = ch len -= 1 end i = 0 while i < len token = state.push('text', '', 0) token.content = ch + ch state.delimiters.push({ marker: marker, length: scanned[:length], jump: i, token: state.tokens.length - 1, level: state.level, end: -1, open: scanned[:can_open], close: scanned[:can_close] }) i += 2 end state.pos += scanned[:length] return true end