Class: ZanTools::Command

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Command

Returns a new instance of Command.



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# File 'lib/zan_tools/command.rb', line 9

def initialize
  @options = {}
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/zan_tools/command.rb', line 7

def options
  @options
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/zan_tools/command.rb', line 54

def generate
  raise "generate命令缺失参数" if %w{name fields template}.any?{|f| options[f.to_sym].nil? }
  ZanTools::SpringGenerator.init!(options[:name], options[:fields])
  content = ZanTools::SpringGenerator.compile(options[:template])

  if options[:output].nil?
    puts content
  else
    File.write(file, content)
  end
end

#parse! ⇒ Object 



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# File 'lib/zan_tools/command.rb', line 13

def parse!
  parser = OptionParser.new do |opts|
    opts.banner = "Usage zan_tools COMMAND [options]"
    opts.separator "COMMAND"
    opts.separator "    g/generate: 根据指定模板生成代码"
    opts.separator "generate options"
    # generate命令参数
    opts.on("-n", "--name NAME", "表名或者类名") do |value|
      options[:name] = value
    end
    opts.on("-f", "--fields FIELDS", "字段列表，格式：字段1:类型2,字段2:类型2") do |value|
      options[:fields] = value.split(",").map{|f| f.split(":") }.select{|a| a.size==2 }.map{|k, v| [k, {'type'=>v}] }
    end
    opts.on("-t", "--template TEMPLATE", "模板文件") do |value|
      if File.exists?(value)
        options[:template] = File.read(value) 
      else
        raise "template file not exists"
      end
    end
    opts.separator "common options"
    # 其他参数
    opts.on("-o", "--output FILE", "输出到指定文件") do |value|
      options[:output] = value
    end
    opts.on("-v", "--version", "zan_tools版本") do |value|
      options[:version] = ZanTools::VERSION
    end
  end
  parser.parse!

  case ARGV[0]
  when 'g', 'generate'
    generate
  else
    puts options[:version] if options[:version]
  end
rescue StandardError => e
  puts [e.class, e.message].join(': ')
end