Class: Silhouette::MethodFinder

Inherits:
Syntax::Convertors::HTML
  • Object
show all
Defined in:
lib/silhouette/finder.rb

Defined Under Namespace

Classes: ClassPosition, MethodPosition

Constant Summary collapse

HAS_END = 
%w!if begin while for until case unless!

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tok) ⇒ MethodFinder

Returns a new instance of MethodFinder.



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# File 'lib/silhouette/finder.rb', line 38

def initialize(tok)
  super
  @line_no = 1
  @inner_ends = 0
  @class_path = []
  @class_stack = []
  @modules = []
  @methods = []
  @method_stack = []
  @current_method = nil
  @html = ""
  @line_start = true
end

Instance Attribute Details

#methods ⇒ Object (readonly)

Returns the value of attribute methods.



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# File 'lib/silhouette/finder.rb', line 52

def methods
  @methods
end

#modules ⇒ Object (readonly)

Returns the value of attribute modules.



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# File 'lib/silhouette/finder.rb', line 52

def modules
  @modules
end

Instance Method Details

#find(text) ⇒ Object 



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# File 'lib/silhouette/finder.rb', line 119

def find(text)
  @tokenizer.tokenize(text) do |tok|
    process_token tok       
  end
end

#process_token(tok) ⇒ Object 



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# File 'lib/silhouette/finder.rb', line 56

def process_token(tok)
  # p [tok, tok.group]
  case tok.group
  when :normal, :string, :constant
    nls = tok.count("\n")
    @line_no += nls
    @line_start = true if nls > 0
  when :class, :module
    # How to handle classes inside conditions? Don't count them.
    return unless @inner_ends == 0
    @class_path << tok.to_s
    klass = ClassPosition.new(@class_path.join("::"))
    klass.first_line = @line_no
    @modules << klass
    @class_stack << klass
    # puts "start class: #{@class_path.inspect}"
  when :method
    return unless @inner_ends == 0
    # Handle nested methods by just ignoring the nested ones.
    if @class_path.last == :def
      @inner_ends += 1
    else
      meth = MethodPosition.new(tok, @class_path.join("::"))
      meth.first_line = @line_no
      @methods << meth
      @method_stack << meth
      @class_path << :def
      # puts "start meth: #{@class_path.inspect}, #{tok}"
    end
  when :keyword
    if HAS_END.include?(tok.to_s) and @line_start
      @inner_ends += 1
      return
    elsif tok == "do"
      @inner_ends += 1
      return
    end
  
    if tok == "end"
      if @inner_ends == 0
        was_in = @class_path.pop
        if was_in == :def
          # puts "Done with method: #{@class_path.inspect}"
          @method_stack.last.last_line = @line_no
          @method_stack.pop
        else
          fin = @class_stack.pop
          if fin
            fin.last_line = @line_no
          end
        end
      else
        @inner_ends -= 1
        # puts "pending ends: #{@inner_ends}"
      end
    end
  end
  
  if tok.group != :normal
    @line_start = false
  end
end