Class: MarkdownIt::ParserInline

Inherits:
Object
  • Object
show all
Defined in:
lib/motion-markdown-it/parser_inline.rb

Constant Summary collapse

RULES =

Parser rules

[
  [ 'text',            lambda { |state, startLine| RulesInline::Text.text(state, startLine) } ],
  [ 'newline',         lambda { |state, startLine| RulesInline::Newline.newline(state, startLine) } ],
  [ 'escape',          lambda { |state, startLine| RulesInline::Escape.escape(state, startLine) } ],
  [ 'backticks',       lambda { |state, startLine| RulesInline::Backticks.backtick(state, startLine) } ],
  [ 'strikethrough',   lambda { |state, startLine| RulesInline::Strikethrough.strikethrough(state, startLine) } ],
  [ 'emphasis',        lambda { |state, startLine| RulesInline::Emphasis.emphasis(state, startLine) } ],
  [ 'link',            lambda { |state, startLine| RulesInline::Link.link(state, startLine) } ],
  [ 'image',           lambda { |state, startLine| RulesInline::Image.image(state, startLine) } ],
  [ 'autolink',        lambda { |state, startLine| RulesInline::Autolink.autolink(state, startLine) } ],
  [ 'html_inline',     lambda { |state, startLine| RulesInline::HtmlInline.html_inline(state, startLine) } ],
  [ 'entity',          lambda { |state, startLine| RulesInline::Entity.entity(state, startLine) } ],
]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ParserInline 



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# File 'lib/motion-markdown-it/parser_inline.rb', line 30

def initialize
  # ParserInline#ruler -> Ruler
  #
  # [[Ruler]] instance. Keep configuration of inline rules.
  @ruler = Ruler.new

  RULES.each do |rule|
    @ruler.push(rule[0], rule[1])
  end
end

Instance Attribute Details

#ruler ⇒ Object

Returns the value of attribute ruler.



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# File 'lib/motion-markdown-it/parser_inline.rb', line 9

def ruler
  @ruler
end

Instance Method Details

#parse(str, md, env, outTokens) ⇒ Object

ParserInline.parse(str, md, env, outTokens)

Process input string and push inline tokens into ‘outTokens`



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# File 'lib/motion-markdown-it/parser_inline.rb', line 114

def parse(str, md, env, outTokens)
  state = RulesInline::StateInline.new(str, md, env, outTokens)

  tokenize(state)
end

#skipToken(state) ⇒ Object

Skip single token by running all rules in validation mode; returns ‘true` if any rule reported success



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# File 'lib/motion-markdown-it/parser_inline.rb', line 44

def skipToken(state)
  pos        = state.pos
  rules      = @ruler.getRules('')
  len        = rules.length
  maxNesting = state.md.options[:maxNesting]
  cache      = state.cache


  if cache[pos] != nil
    state.pos = cache[pos]
    return
  end

  # istanbul ignore else
  if state.level < maxNesting
    0.upto(len -1) do |i|
      if rules[i].call(state, true)
        cache[pos] = state.pos
        return
      end
    end
  end

  state.pos += 1
  cache[pos] = state.pos
end

#tokenize(state) ⇒ Object

Generate tokens for input range



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# File 'lib/motion-markdown-it/parser_inline.rb', line 74

def tokenize(state)
  rules      = @ruler.getRules('')
  len        = rules.length
  end_pos    = state.posMax
  maxNesting = state.md.options[:maxNesting]

  while state.pos < end_pos
    # Try all possible rules.
    # On success, rule should:
    #
    # - update `state.pos`
    # - update `state.tokens`
    # - return true

    ok = false
    if state.level < maxNesting
      0.upto(len - 1) do |i|
        ok = rules[i].call(state, false)
        break if ok
      end
    end

    if ok
      break if state.pos >= end_pos
      next
    end

    state.pending += state.src[state.pos]
    state.pos     += 1
  end

  unless state.pending.empty?
    state.pushPending
  end
end