Class: Coopy

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

Defined Under Namespace

Classes: DbiSqlWrapper, DiffApplySql, DiffOutputStats, Flavor, OpenStruct

Class Method Summary collapse

Class Method Details

.core(flavor, argv) ⇒ Object 



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# File 'lib/coopy.rb', line 70

def self.core(flavor,argv)
  options = self.parse(flavor,argv)

  if argv.length < flavor.min_length
    self.parse(flavor,["--help"])
    exit(1)
  end

  if flavor.sql_subject?
    db = SQLite3::Database.new(argv[0])
    sql = SqliteSqlWrapper.new(db)
  end

  if flavor.sql_object?
    name1 = nil
    name2 = nil
    case argv.length
    when 2
      name0 = sql.get_table_names[0]
      db.execute("ATTACH ? AS `__peer_ - _`",argv[1])
      name1 = "main.#{name0}"
      name2 = "__peer_ - _.#{name0}"
    when 3
      name1 = argv[1]
      name2 = argv[2]
    when 4
      name1 = "main.#{argv[1]}"
      db.execute("ATTACH ? AS __peer__",argv[2])
      name2 = "__peer__.#{argv[3]}"
    end
    cmp = SqlCompare.new(sql,name1,name2)
  else
    cmp = DiffParser.new(argv[flavor.min_length-1])
  end

  patches = DiffOutputGroup.new
  # patches << DiffOutputRaw.new
  case options.format
  when :html
    patches << DiffRenderHtml.new
  when :tdiff
    patches << DiffOutputTdiff.new
  when :csv
    patches << DiffRenderCsv.new
  when :apply
    patches << DiffApplySql.new(sql,name1)
  when :raw
    patches << DiffOutputRaw.new
  when :stats
    patches << DiffOutputStats.new
  else
    patches << DiffRenderCsv.new
  end

  cmp.set_output(patches)
  
  cmp.apply
  result = patches.to_string
  if result != ""
    if options.output.nil?
      print result
    else
      File.open(options.output,"w") do |f|
        f << result
      end
    end
  end
  0
end

.diff(argv) ⇒ Object 



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# File 'lib/coopy.rb', line 140

def self.diff(argv)
  flavor = Flavor.new
  flavor.key = :diff
  flavor.banner = "Usage: sqlite_diff [options] ver1.sqlite ver2.sqlite"
  flavor.min_length = 2
  self.core(flavor,argv)
end

.parse(flavor, args) ⇒ Object 



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# File 'lib/coopy.rb', line 36

def self.parse(flavor,args)
  options = OpenStruct.new
  options.format = flavor.default_format
  options.output = nil
  OptionParser.new do |opts|
    begin
      opts.banner = flavor.banner
      opts.separator ""
      opts.separator "Specific options"
      if flavor.can_choose_format?
        opts.on("-f","--format [FORMAT]", [:csv, :html, :tdiff, :apply, :stats],
                "select format (csv,html,tdiff,apply,stats)") do |fmt|
          options.format = fmt
        end
      end
      if flavor.can_set_output?
        opts.on("-o", "--output [FILENAME]",
                "direct output to a file") do |fname|
          options.output = fname
        end
      end
      opts.on_tail("-h", "--help", "Show this message") do
        puts opts
        exit
      end
      opts.parse!(args)
      return options
    rescue
      puts "#{$!} (--help for help)"
      exit 1
    end
  end
end

.patch(argv) ⇒ Object 



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# File 'lib/coopy.rb', line 148

def self.patch(argv)
  flavor = Flavor.new
  flavor.key = :patch
  flavor.banner = "Usage: sqlite_patch [options] db.sqlite patch.csv"
  flavor.min_length = 2
  self.core(flavor,argv)
end

.rediff(argv) ⇒ Object 



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# File 'lib/coopy.rb', line 156

def self.rediff(argv)
  flavor = Flavor.new
  flavor.key = :rediff
  flavor.banner = "Usage: sqlite_rediff [options] patch.csv"
  flavor.min_length = 1
  self.core(flavor,argv)
end