Class: SafeCompleteCode

Inherits:
Object
  • Object
show all
Defined in:
ext/ae-editor/ae-editor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_editor, _row, _col) ⇒ SafeCompleteCode

Returns a new instance of SafeCompleteCode.



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# File 'ext/ae-editor/ae-editor.rb', line 355

def initialize(_editor, _row, _col)
  @editor = _editor
  @source = _editor.text_value
  #@file = _file
  @row = _row.to_i
  @col = _col.to_i
  if _editor && _editor.has_ctags?
    tmp_file = _editor.create_temp_file
    begin
      @ss = RubyCtagsSourceStructure.new(tmp_file, _editor.ctags_string)
    ensure
      File.delete(tmp_file)
    end
  else
    @ss = RubySourceStructure.new(_source)
  end
  @filter=''
  @words = Array.new
  process_source
end

Instance Attribute Details

#filter ⇒ Object (readonly)

Returns the value of attribute filter.



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# File 'ext/ae-editor/ae-editor.rb', line 354

def filter
  @filter
end

#modified_col ⇒ Object (readonly)

Returns the value of attribute modified_col.



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# File 'ext/ae-editor/ae-editor.rb', line 353

def modified_col
  @modified_col
end

#modified_row ⇒ Object (readonly)

Returns the value of attribute modified_row.



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# File 'ext/ae-editor/ae-editor.rb', line 353

def modified_row
  @modified_row
end

Instance Method Details

#candidates(_show_error = false) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 632

def candidates(_show_error = false)
  temp_file = create_modified_temp_file(@editor.file)
  begin
    Arcadia.is_windows??ruby='rubyw':ruby=Arcadia.ruby
    _cmp_s = "|#{ruby} '#{temp_file}'"
    _ret = nil
    open(_cmp_s,"r") do  |f|
      _ret = f.readlines.collect!{| line | 
        #line.chomp
        line.strip
      } 
    end
    if @filter.strip.length > 0 && !is_dot?
      @words.each{|w| 
        if !(_ret.include?(w) || _ret.include?("##{w}")) 
          _ret << w
        end
      }
    end
    _ret.sort
  rescue Exception => e
    Arcadia.runtime_error(e)
    #Arcadia.console(self, 'msg'=>e.to_s, 'level'=>'error')
  ensure
    File.delete(temp_file) if File.exist?(temp_file)
  end
end

#create_modified_temp_file(_base_file = nil) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 660

def create_modified_temp_file(_base_file=nil)
  if _base_file
  File.basename(_base_file)
    _file = File.join(File.dirname(_base_file),'~~'+File.basename(_base_file))
  else
    _file = File.join(Arcadia.instance.local_dir,'~~buffer')
  end
  f = File.new(_file, "w")
  begin
    if f
      f.syswrite(@modified_source)
    end
  ensure
    f.close unless f.nil?
  end
  _file
end

#declaration(_dec_line = '') ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 409

def declaration(_dec_line='')
  if _dec_line.include?('.new')
    pre, post = _dec_line.split('.new')
    dec_line_processed = "#{pre}.new"
    post.strip! if post
    if post && post[0..0]=='('
      k=0
      ch = '('
      while k < post.length && ch != ')'
        k = k+1
        ch=post[k..k]
      end
      if ch == ')'
        args = post[1..k-1]
        args_array = args.split(',')
        n_args = args_array.length
        if n_args > 0
          new_args = ''
          1.upto( n_args ){
             if new_args.length > 0
               new_args = "#{new_args},"
             end
             new_args = "#{new_args}nil"
          }
          dec_line_processed = "#{dec_line_processed}(#{new_args})"
        end
      end
    end
  else
    dec_line_processed = _dec_line
  end
  dec_line_processed
end

#dot_trip(_var_name) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 376

def dot_trip(_var_name)
  ret = "_class=#{_var_name}.class.name\n"
  ret = ret +"_methods=#{_var_name}.methods\n"
  ret = ret +"owner_on = Method.instance_methods.include?('owner')\n"
  ret = ret +"_methods.each{|m|\n"
  ret = ret +"meth = #{_var_name}.method(m)\n"
  ret = ret +"if owner_on\n"
  ret = ret +"  _owner=meth.owner.name\n"
  ret = ret +"else\n"
  ret = ret +"  meth_insp = meth.inspect\n"
  ret = ret +"  to_sub ='#<Method:\s'+_class\n"
  ret = ret +"  _owner=meth_insp.sub(to_sub,'').split('#')[0].strip.sub('(','').sub(')','')\n"
  ret = ret +"  _owner=_class if _owner.strip.length==0\n"
  ret = ret +"end\n"
  ret = ret +"if _owner != _class\n"
  ret = ret +'  print %Q{#{_owner}##{m}##{meth.arity.to_s}\n}'+"\n"
  ret = ret +"else\n"
  ret = ret +'  print %Q{##{m}##{meth.arity.to_s}\n}'+"\n"
  ret = ret +"end\n"
  ret = ret + "}\n"
  ret = ret + "exit\n"
  ret
end

#focus_word(focus_segment) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 616

def focus_word(focus_segment)
    focus_world = ''
    char = focus_segment[-1..-1]
    while [")","]","}"].include?(char) 
      char=focus_segment[-2..-2]
      focus_segment = focus_segment[0..-2]
    end
    j = focus_segment.length - 1
    while !["\s","\t",";",",","(","[","{",">"].include?(char) && j >= 0
      focus_world = "#{char}#{focus_world}"
      j=j-1
      char = focus_segment[j..j]
    end
    focus_world
end

#is_dot? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/ae-editor/ae-editor.rb', line 443

def is_dot?
  @is_dot
end

#process_source ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 461

def process_source
  @modified_source = ""
  @modified_row = @row
  @modified_col = @col
  source_array = @source.split("\n")
  focus_line = source_array[@row-1]
  focus_line = focus_line[0..@col] if focus_line
  focus_line = '' if focus_line.nil?
  focus_world = ''
  if focus_line && focus_line.strip.length > 0
    if focus_line[@col-1..@col-1] == '.'
      @is_dot=true
      focus_segment = focus_line[0..@col-2]
    elsif focus_line.include?('.')
      @is_dot=true
      focus_segment_array = focus_line.split('.')
      focus_segment = ''
      focus_segment_array[0..-2].each{|seg|
        if focus_segment.strip.length > 0
          focus_segment = focus_segment+'.'
        end
        focus_segment = focus_segment+seg
      }
      @filter = focus_word(focus_segment_array[-1].strip)
    else
      focus_segment = ''
      @filter = focus_word(focus_line[0..@col-1].strip)
    end
    focus_world= focus_word(focus_segment)
  end
  @class_node = @ss.class_node_by_line(@row)
  focus_line_to_evaluate = focus_line
  @modified_source = "#{@modified_source}Dir.chdir('#{File.dirname(@editor.file)}')\n" if @editor.file
  @modified_row = @modified_row+1
  source_array.each_with_index{|line,j|
    # 0) if a comment I do not consider it
    if line.strip.length > 0 && line.strip[0..0]=='#'
      @modified_row = @modified_row-1
      m = /&require_dir_ref=[\s]*(.)*/.match(line)
      if m 
        require_dir_ref=line.split('&require_dir_ref=')[1].strip
        @modified_source = "#{@modified_source}Dir.chdir('#{require_dir_ref}')\n"
        @modified_row = @modified_row+1
      end   
      m = /&require_omissis=[\s]*(.)*/.match(line)
      if m 
        require_omissis=line.split('&require_omissis=')[1].strip
        @modified_source = "#{@modified_source}require \"#{require_omissis}\"\n"
        @modified_row = @modified_row+1
      end   
      
           
    # 1) include require
    elsif line.strip.length>7 && (line.strip[0..7]=="require " || line.strip[0..7]=="require(")
      @modified_source = "#{@modified_source}#{line}\n"
      if line.strip[8..-1].include?("tk")
        @modified_source = "#{@modified_source}Tk.root.destroy if Tk && Tk.root\n"
      end
    # 2) include evalueting row with a $SAFE 3
    elsif j.to_i == @row-1
      focus_line_to_evaluate = line
      break
    # 3) eliminiamo la riga
    else
      @modified_row = @modified_row-1
    end
    break if j.to_i >= @row - 1
  }
  if focus_line_to_evaluate
    # search an optional declaration
      if focus_world && focus_world.strip.length > 0
        begin
          re = Regexp::new('[\s\n\t\;]('+focus_world.strip+')[\s\t]*=(.)*')
          source_array.each_with_index  do |line,j|
            #m = /[\s\n\t\;](#{focus_world})[\s\t]*=(.)*/.match(line)
            if j >= @row-1
              break
            else
              m = re.match("\s#{line}")
              if m
                @dec_line = line
                @class_dec_line_node = @ss.class_node_by_line(j+1)
                break
              end
            end
          end
      		rescue Exception => e
#            Arcadia.console(self, 'msg'=>e.inspect, 'level'=>'error')
        end
        
      end

      if @class_node
        to_iniect = "$SAFE = 3\n"
        if @class_dec_line_node && @class_dec_line_node.label == @class_node.label
          to_iniect = "#{to_iniect}#{declaration(@dec_line)}\n"
        end
        if focus_world.length > 0
          to_iniect = "#{to_iniect}#{dot_trip(focus_world)}\n"
        else
          to_iniect = "#{to_iniect}#{scope_trip}\n"
        end
        #to_iniect = "#{to_iniect}#{focus_line}\n"
        to_iniect_class = @class_node.label
      else
        to_iniect = ''
        to_iniect_class = ''
      end

      ss_source = @ss.scheletor_from_node(@ss.root,'',to_iniect, to_iniect_class)
      ss_source_array = ss_source.split("\n")
      ss_len = ss_source_array.length
      if ss_len>0 && ss_source_array[0].strip != focus_line_to_evaluate.strip
        @modified_source = "#{@modified_source}#{ss_source}"
        if @class_node
          @modified_source = "#{@modified_source}#{@class_node.label.downcase} = #{@class_node.label}.new\n"
        end
      else
        ss_len = 0
        @class_node = nil
      end
      if @class_node
        @modified_row = @modified_row + @ss.injected_row
      else
        @modified_source = "#{@modified_source}$SAFE = 3\n"
        if @dec_line
          @modified_source = "#{@modified_source}#{declaration(@dec_line)}\n"
          @modified_row = @modified_row+1
        end
        #@modified_source = "#{@modified_source}_candidates=@candidates\n"
        if focus_world.length > 0
          @modified_source = "#{@modified_source}#{dot_trip(focus_world)}\n"
        else
          @modified_source = "#{@modified_source}#{scope_trip}\n"
        end
        #@modified_source = "#{@modified_source}@candidates=_candidates\n"

        
        #@modified_source = "#{@modified_source}#{focus_line}\n"
        @modified_row = @modified_row+1+ss_len
      end
  end
  if @filter.strip.length > 0 && !is_dot?
      refresh_words
  end

#    Arcadia.console(self, 'msg'=>@modified_source)
#    Arcadia.console(self, 'msg'=>"@modified_row=#{@modified_row}")
#    Arcadia.console(self, 'msg'=>"focus_line=#{focus_line}") if focus_line
#    Arcadia.console(self, 'msg'=>"focus_world=#{focus_world}") if focus_world
#    Arcadia.console(self, 'msg'=>"@filter=#{@filter}") if @filter
#    Arcadia.console(self, 'msg'=>"@dec_line=#{@dec_line}") if @dec_line
#    Arcadia.console(self, 'msg'=>"declaration(@dec_line)=#{declaration(@dec_line)}") if @dec_line
end

#refresh_words ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 447

def refresh_words
  @words.clear
  _re = /[\s\t\n"'(\[\{=><]#{@filter}[a-zA-Z0-9\-_]*/
  m = _re.match(@source)
  while m && (_txt=m.post_match)
    can = m[0].strip
    if  ['"','(','[','{',"'",'=','>','<'].include?(can[0..0])
      can = can[1..-1]
    end
    @words << can if can != @filter
    m = _re.match(_txt)
  end
end

#scope_trip ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 400

def scope_trip
  ret = "ObjectSpace.each_object(Class){|o|\n"
  ret = ret + " o_name = o.name\n"
  ret = ret + " print '#'+o_name+'\n' if o_name && o_name.strip.length>0 \n"
  ret = ret + "}\n"
  ret = ret + dot_trip('self')
  ret
end