Class: LineBuilder

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

Overview

把文本转化成对象的Build模式

Direct Known Subclasses

GitHack::CommitLineBuilder

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data, index = 0) ⇒ LineBuilder

Returns a new instance of LineBuilder.



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# File 'lib/core_ext/line_builder.rb', line 7

def initialize(data,index=0)
	@data = data
	@index = index
	@object = nil
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/core_ext/line_builder.rb', line 6

def data
  @data
end

#index ⇒ Object

Returns the value of attribute index.



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# File 'lib/core_ext/line_builder.rb', line 6

def index
  @index
end

#object ⇒ Object

Returns the value of attribute object.



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# File 'lib/core_ext/line_builder.rb', line 6

def object
  @object
end

Instance Method Details

#in? ⇒ Boolean

进入条件,默认直接进入

Returns:

  • (Boolean) 


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# File 'lib/core_ext/line_builder.rb', line 25

def in?
	true
end

#out? ⇒ Boolean

退出条件,默认为读完本行直接退出,重写要设置@index的新值

Returns:

  • (Boolean) 


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# File 'lib/core_ext/line_builder.rb', line 29

def out?
	@index += 1
end

#parse ⇒ Object 



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# File 'lib/core_ext/line_builder.rb', line 12

def parse
	begin
		next unless in?
		process_line 
	end until ( out? )
	@object
end

#process_line ⇒ Object

行处理函数,必须被重写



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# File 'lib/core_ext/line_builder.rb', line 20

def process_line
	line = @data[@index]
	@object = line
end