Class: Okura::Parser::CharType

Inherits:
Object
  • Object
show all
Defined in:
lib/okura/parser.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CharType

Returns a new instance of CharType.



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# File 'lib/okura/parser.rb', line 70

def initialize
  @callbacks={
    :mapping_single=>[],
    :mapping_range=>[],
    :define_type=>[]
  }
end

Instance Method Details

#on_chartype_def(&b) ⇒ Object 



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# File 'lib/okura/parser.rb', line 86

def on_chartype_def &b
  @callbacks[:define_type] << b
end

#on_mapping_range(&b) ⇒ Object 



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# File 'lib/okura/parser.rb', line 82

def on_mapping_range &b
  @callbacks[:mapping_range] << b
end

#on_mapping_single(&b) ⇒ Object 



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# File 'lib/okura/parser.rb', line 78

def on_mapping_single &b
  @callbacks[:mapping_single] << b
end

#parse(line) ⇒ Object 



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# File 'lib/okura/parser.rb', line 96

def parse line
  cols=line.gsub(/\s*#.*$/,'').split(/\s+/)
    return if cols.empty?
  case cols[0]
  when /^0x([0-9a-fA-F]{4})(?:\.\.0x([0-9a-fA-F]{4}))?$/
    # mapping
    parse_error line unless cols.size >= 2
    type=cols[1]
    compat_types=cols[2..-1]
    from=$1.to_i(16)
    if $2
      # mapping(range)
      to=$2.to_i(16)
      @callbacks[:mapping_range].each{|c|
        c.call from,to,type,compat_types
      }
    else
      # mapping(single)
      @callbacks[:mapping_single].each{|c|
        c.call from,type,compat_types
      }
    end
  when /^\w+$/
    parse_error line unless cols.size == 4
    # typedef
    @callbacks[:define_type].each{|c|
      c.call cols[0],(cols[1]=='1'),(cols[2]=='1'),Integer(cols[3])
    }
  else
    # error
    parse_error line
  end
end

#parse_all(io) ⇒ Object 



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# File 'lib/okura/parser.rb', line 90

def parse_all io
  io.each_line {|line|
    parse line
  }
end