зеркало из https://github.com/github/ruby.git
77 строки
1.9 KiB
Ruby
77 строки
1.9 KiB
Ruby
require "rexml/child"
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module REXML
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##
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# Represents an XML comment; that is, text between \<!-- ... -->
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class Comment < Child
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include Comparable
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START = "<!--"
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STOP = "-->"
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# The content text
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attr_accessor :string
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##
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# Constructor. The first argument can be one of three types:
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# @param first If String, the contents of this comment are set to the
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# argument. If Comment, the argument is duplicated. If
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# Source, the argument is scanned for a comment.
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# @param second If the first argument is a Source, this argument
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# should be nil, not supplied, or a Parent to be set as the parent
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# of this object
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def initialize( first, second = nil )
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#puts "IN COMMENT CONSTRUCTOR; SECOND IS #{second.type}"
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super(second)
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if first.kind_of? String
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@string = first
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elsif first.kind_of? Comment
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@string = first.string
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end
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end
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def clone
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Comment.new self
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end
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# output::
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# Where to write the string
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# indent::
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# An integer. If -1, no indenting will be used; otherwise, the
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# indentation will be this number of spaces, and children will be
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# indented an additional amount.
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# transitive::
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# Ignored by this class. The contents of comments are never modified.
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# ie_hack::
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# Needed for conformity to the child API, but not used by this class.
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def write( output, indent=-1, transitive=false, ie_hack=false )
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indent( output, indent )
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output << START
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output << @string
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output << STOP
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end
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alias :to_s :string
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##
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# Compares this Comment to another; the contents of the comment are used
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# in the comparison.
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def <=>(other)
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other.to_s <=> @string
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end
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##
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# Compares this Comment to another; the contents of the comment are used
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# in the comparison.
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def ==( other )
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other.kind_of? Comment and
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(other <=> self) == 0
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end
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def node_type
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:comment
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end
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end
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end
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#vim:ts=2 sw=2 noexpandtab:
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