Class: NanDoc::StreamColorizer

Inherits:
Object
  • Object
show all
Includes:
RuleList
Defined in:
lib/nandoc/support/stream-colorizer.rb

Defined Under Namespace

Modules: RuleList, SecretParent Classes: RegexRule, RegexRuleNeg, State

Instance Attribute Summary collapse

Attributes included from RuleList

#rule_list, #state_set

Instance Method Summary collapse

Methods included from RuleList

#add_regex_rule, #add_regex_rule_neg, #define_state, #get_state_or_fail, #rule_list_init, #when, #when_not

Constructor Details

#initialize(*a, &b) ⇒ StreamColorizer

Returns a new instance of StreamColorizer.



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# File 'lib/nandoc/support/stream-colorizer.rb', line 13

def initialize(*a, &b)
  rule_list_init
  @stylesheet = {}
  if a.any? || block_given?
    merge(*a, &b)
  end
end

Instance Attribute Details

#rule_list=(value) ⇒ Object (writeonly)

Sets the attribute rule_list

Parameters:

  • value —

    the value to set the attribute rule_list to.



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# File 'lib/nandoc/support/stream-colorizer.rb', line 20

def rule_list=(value)
  @rule_list = value
end

#state_set=(value) ⇒ Object (writeonly)

Sets the attribute state_set

Parameters:

  • value —

    the value to set the attribute state_set to.



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# File 'lib/nandoc/support/stream-colorizer.rb', line 40

def state_set=(value)
  @state_set = value
end

#stylesheet ⇒ Object

Returns the value of attribute stylesheet.



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# File 'lib/nandoc/support/stream-colorizer.rb', line 41

def stylesheet
  @stylesheet
end

Instance Method Details

#dup ⇒ Object 



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# File 'lib/nandoc/support/stream-colorizer.rb', line 6

def dup
  other = self.class.new
  other.stylesheet = stylesheet.dup
  other.rule_list = rule_list.dup
  other.state_set = state_set.dup
  other
end

#filter(string, out) ⇒ Object 



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# File 'lib/nandoc/support/stream-colorizer.rb', line 21

def filter string, out
  found = rule_list.detect{ |x| x.match(string) }
  use_state = found ? found.state : :plain
  state = get_state_or_fail(use_state)
  string = string.dup
  while next_state_name = state.process(string, out)
    state = get_state_or_fail(next_state_name)
  end
  nil
end

#merge {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/nandoc/support/stream-colorizer.rb', line 31

def merge(&block)
  yield(self) if block_given?
  self
end

#spawn(*a, &b) ⇒ Object 



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# File 'lib/nandoc/support/stream-colorizer.rb', line 35

def spawn(*a, &b)
  other = dup
  other.merge(*a, &b)
  other
end

#stylesheet_merge(other) ⇒ Object 



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# File 'lib/nandoc/support/stream-colorizer.rb', line 42

def stylesheet_merge other
  @stylesheet.merge!(other)
end