Class: ReHighlightScanner

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

Instance Method Summary collapse

Methods inherited from HighlightScanner

#classes

Constructor Details

#initialize(_langs_conf) ⇒ ReHighlightScanner

Returns a new instance of ReHighlightScanner.



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# File 'ext/ae-editor/ae-editor.rb', line 3195

def initialize(_langs_conf)
  super(_langs_conf)
  @h_re = Hash.new
  @op_to_end_line = Array.new
  @op_to_end_line.concat(@langs_conf['re_op.to_line_end'].split(',')) if @langs_conf['re_op.to_line_end']

  @op_only_first = Array.new
  @op_only_first.concat(@langs_conf['re_op.only_first'].split(',')) if @langs_conf['re_op.only_first']
  
  self.classes.each{|c|
    @h_re[c]=Regexp::new(@langs_conf["re.#{c}"].strip) if @langs_conf["re.#{c}"]
  }
end

Instance Method Details

#find_tag(_tag, _row, _txt) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 3210

def find_tag(_tag, _row, _txt)
  to_ret = []
  _re = @h_re[_tag]
  m = _re.match(_txt)
  _end = 0
  while m && (_txt=m.post_match)
    if !defined?(_old_txt) || _txt != _old_txt
      _old_txt = _txt 
      _ibegin = _row.to_s+'.'+(m.begin(0)+_end).to_s
      _end = m.end(0) + _end
      _iend = _row.to_s+'.'+(_end.to_s)
      to_ret << [_ibegin, _iend]
      if @op_only_first.include?(_tag)
        m = nil
      else
        m = _re.match(_txt)
      end
    else
      m = nil
    end
  end
  to_ret
end

#highlight_tags(_row_begin, _code, _classes = self.classes) ⇒ Object 



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# File 'ext/ae-editor/ae-editor.rb', line 3234

def highlight_tags(_row_begin,_code,_classes=self.classes)
  super(_row_begin,_code)
  tags_map = Hash.new 
  lines = _code.split("\n")
  lines.each_with_index{|_line,_i|
    _line+="\n"
    _row = _row_begin+_i
    #p "_row=#{_row}-_line=#{_line}"
    _txt = _line
    _end = 0
    @op_to_end_line.each{|c|
      if _classes.include?(c) && @h_re[c]
        m_c = @h_re[c].match(_txt)
        if m_c then
          _ibegin = _row.to_s+'.'+(m_c.begin(0)).to_s
          _iend = _row.to_s+'.'+(_line.length - 1).to_s
          tags_map[c] = [] if tags_map[c].nil?
          tags_map[c] << [_ibegin, _iend]
          _txt = m_c.pre_match
        end
      end
    } if @langs_conf['re_op.to_line_end']

    _classes.each{|c|
      if !@op_to_end_line.include?(c) && @h_re[c]
        _tags = find_tag(c, _row, _txt)
        if _tags.length >0
          tags_map[c] = [] if tags_map[c].nil?
          tags_map[c].concat(_tags)
        end
      end
    } if _txt.strip.length > 0  
  }
  tags_map
end