Fresh start

1 files changed, 70 insertions, 0 deletions

diff --git a/jni/ruby/lib/rexml/instruction.rb b/jni/ruby/lib/rexml/instruction.rb
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+++ b/jni/ruby/lib/rexml/instruction.rb
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+require "rexml/child"
+require "rexml/source"
+
+module REXML
+  # 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
+        super()
+        @target = target
+        @content = content
+      elsif target.kind_of? Instruction
+        super(content)
+        @target = target.target
+        @content = target.content
+      end
+      @content.strip! if @content
+    end
+
+    def clone
+      Instruction.new self
+    end
+
+    # == DEPRECATED
+    # See the rexml/formatters package
+    #
+    def write writer, indent=-1, transitive=false, ie_hack=false
+      Kernel.warn( "#{self.class.name}.write is deprecated" )
+      indent(writer, indent)
+      writer << START.sub(/\\/u, '')
+      writer << @target
+      writer << ' '
+      writer << @content
+      writer << STOP.sub(/\\/u, '')
+    end
+
+    # @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
+    end
+
+    def node_type
+      :processing_instruction
+    end
+
+    def inspect
+      "<?p-i #{target} ...?>"
+    end
+  end
+end