Diffstat (limited to 'lib/rexml/instruction.rb')
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/rexml/instruction.rb b/lib/rexml/instruction.rb
new file mode 100644
@@ -0,0 +1,62 @@
+ # Represents an XML Instruction; IE, <? ... ?>
+ # TODO: Add parent arg (3rd arg) to constructor
+ class Instruction < Child
+ START = '<\?'
+ STOP = '\?>'
+ # target is the "name" of the Instruction; IE, the "tag" in <?tag ...?>
+ # content is everything else.
+ attr_accessor :target, :content
+ # Constructs a new Instruction
+ # @param target can be one of a number of things. If String, then
+ # the target of this instruction is set to this. If an Instruction,
+ # then the Instruction is shallowly cloned (target and content are
+ # copied). If a Source, then the source is scanned and parsed for
+ # an Instruction declaration.
+ # @param content Must be either a String, or a Parent. Can only
+ # be a Parent if the target argument is a Source. Otherwise, this
+ # String is set as the content of this instruction.
+ def initialize(target, content=nil)
+ if target.kind_of? String
+ @target = target
+ @content = content
+ elsif target.kind_of? Instruction
+ @target = target.target
+ @content = target.content
+ @content.strip! if @content
+ def clone
+ Instruction.new self
+ def write writer, indent=-1, transitive=false, ie_hack=false
+ indent(writer, indent)
+ writer << START.sub(/\\/u, '')
+ writer << @target
+ writer << ' '
+ writer << @content
+ writer << STOP.sub(/\\/u, '')
+ # @return true if other is an Instruction, and the content and target
+ # of the other matches the target and content of this object.
+ def ==( other )
+ other.kind_of? Instruction and
+ other.target == @target and
+ other.content == @content
+ def node_type