class REXML::Formatters::Transitive

Transitive 格式化器写入一个 XML 文档，该文档的解析结果与源文档相同。这意味着不会插入额外的空白节点，并且保留文本节点内的空白。在这些约束条件下，文档会进行漂亮打印，空白会插入到元数据中以引入格式化。

请注意，这仅在原始 XML 尚未格式化时才有用。由于此格式化器不会更改空白节点，因此格式化已格式化的 XML 的结果将很奇怪。

公共类方法

new( indentation=2, ie_hack=false ) 点击切换源代码

# File rexml-3.4.0/lib/rexml/formatters/transitive.rb, line 16
def initialize( indentation=2, ie_hack=false )
  @indentation = indentation
  @level = 0
  @ie_hack = ie_hack
end

受保护的实例方法

write_element( node, output ) 点击切换源代码

# File rexml-3.4.0/lib/rexml/formatters/transitive.rb, line 23
def write_element( node, output )
  output << "<#{node.expanded_name}"

  node.attributes.each_attribute do |attr|
    output << " "
    attr.write( output )
  end unless node.attributes.empty?

  output << "\n"
  output << ' '*@level
  if node.children.empty?
    output << " " if @ie_hack
    output << "/"
  else
    output << ">"
    # If compact and all children are text, and if the formatted output
    # is less than the specified width, then try to print everything on
    # one line
    @level += @indentation
    node.children.each { |child|
      write( child, output )
    }
    @level -= @indentation
    output << "</#{node.expanded_name}"
    output << "\n"
    output << ' '*@level
  end
  output << ">"
end

write_text( node, output ) 点击切换源代码

# File rexml-3.4.0/lib/rexml/formatters/transitive.rb, line 53
def write_text( node, output )
  output << node.to_s()
end