Module: RuVim::Lang::Yaml

Defined in:
lib/ruvim/lang/yaml.rb

Constant Summary collapse

KEYWORDS = 
%w[true false null yes no on off].freeze
KEYWORD_RE = 
/\b(?:#{KEYWORDS.join("|")})\b/
KEY_RE = 
/\A\s*[\w.\-\/]+\s*(?=:)/
TAG_RE = 
/![\w!.\/\-]*/
ANCHOR_RE = 
/[&*]\w+/
COMMENT_RE = 
/#.*/
STRING_SINGLE_RE = 
/'(?:[^'\\]|\\.)*'/
STRING_DOUBLE_RE = 
/"(?:[^"\\]|\\.)*"/
NUMBER_RE = 
/(?<=[\s:\-\[,]|^)-?(?:\d+\.?\d*|\.\d+)(?:[eE][+-]?\d+)?\s*$/
BLOCK_SCALAR_RE = 
/\A\s*[|>][+-]?\s*$/

Class Method Summary collapse

Class Method Details

.calculate_indent(lines, target_row, shiftwidth) ⇒ Object 



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# File 'lib/ruvim/lang/yaml.rb', line 20

def calculate_indent(lines, target_row, shiftwidth)
  return 0 if target_row == 0

  prev_row = target_row - 1
  prev_row -= 1 while prev_row > 0 && lines[prev_row].to_s.strip.empty?
  prev = lines[prev_row].to_s
  prev_indent = prev[/\A */].size

  # Increase indent after mapping key or list with sub-items
  if prev.match?(/:\s*$/) || prev.match?(/[|>][+-]?\s*$/)
    return prev_indent + shiftwidth
  end

  prev_indent
end

.color_columns(text) ⇒ Object 



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# File 'lib/ruvim/lang/yaml.rb', line 44

def color_columns(text)
  cols = {}
  Highlighter.apply_regex(cols, text, STRING_SINGLE_RE, Highlighter::STRING_COLOR)
  Highlighter.apply_regex(cols, text, STRING_DOUBLE_RE, Highlighter::STRING_COLOR)
  Highlighter.apply_regex(cols, text, KEY_RE, Highlighter::KEYWORD_COLOR)
  Highlighter.apply_regex(cols, text, KEYWORD_RE, "\e[35m")
  Highlighter.apply_regex(cols, text, TAG_RE, Highlighter::CONSTANT_COLOR)
  Highlighter.apply_regex(cols, text, ANCHOR_RE, Highlighter::VARIABLE_COLOR)
  Highlighter.apply_regex(cols, text, NUMBER_RE, Highlighter::NUMBER_COLOR)
  Highlighter.apply_regex(cols, text, BLOCK_SCALAR_RE, Highlighter::STRING_COLOR)
  Highlighter.apply_regex(cols, text, COMMENT_RE, Highlighter::COMMENT_COLOR, override: true)
  cols
end

.dedent_trigger(_char) ⇒ Object 



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# File 'lib/ruvim/lang/yaml.rb', line 40

def dedent_trigger(_char)
  nil
end

.indent_trigger?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruvim/lang/yaml.rb', line 36

def indent_trigger?(line)
  line.to_s.rstrip.match?(/:\s*$/) || line.to_s.rstrip.match?(/[|>][+-]?\s*$/)
end