Class: OpenAPISourceTools::Output

Inherits:
Object
  • Object
show all
Defined in:
lib/openapi/sourcetools/output.rb

Overview

Output indentation helper class. Exposed as Gen.output for use from templates.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cfg = OutputConfiguration.new) ⇒ Output

Returns a new instance of Output.



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# File 'lib/openapi/sourcetools/output.rb', line 28

def initialize(cfg = OutputConfiguration.new)
  @config = cfg
  @last_indent = 0
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/openapi/sourcetools/output.rb', line 25

def config
  @config
end

#last_indent ⇒ Object

Returns the value of attribute last_indent.



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# File 'lib/openapi/sourcetools/output.rb', line 26

def last_indent
  @last_indent
end

Instance Method Details

#join(blocks, separator = "\n") ⇒ Object

Takes an array of code blocks/lines or integers/booleans and produces indented output using the separator character. Set class attributes to obtain desired outcome.



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# File 'lib/openapi/sourcetools/output.rb', line 43

def join(blocks, separator = "\n")
  indented = []
  blocks.flatten!
  indent = 0
  blocks.each do |block|
    if block.nil?
      next
    elsif block.is_a?(Integer)
      indent += block
      indent = 0 if indent.negative?
    elsif block.is_a?(TrueClass)
      indent += @config.indent_step
    elsif block.is_a?(FalseClass)
      indent -= @config.indent_step
      indent = 0 if indent.negative?
    else
      block = block.to_s unless block.is_a?(String)
      if block.empty?
        indented.push('')
        next
      end
      if indent.zero?
        indented.push(block)
        next
      end
      if @config.tab_replaces_count.positive?
        tabs = @config.tab * (indent / @config.tab_replaces_count)
        chars = @config.indent_character * (indent % @config.tab_replaces_count)
      else
        tabs = ''
        chars = @config.indent_character * indent
      end
      lines = block.lines(chomp: true)
      lines.each do |line|
        indented.push("#{tabs}#{chars}#{line}")
      end
    end
  end
  @last_indent = indent
  indented.join(separator)
end