lib/glimmer/xml/xml_visitor.rb
# Copyright (c) 2020-2023 - Andy Maleh
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
require "glimmer/xml/node_visitor"
require "glimmer/xml/node"
module Glimmer
module XML
class XmlVisitor < NodeVisitor
attr_reader :document
def initialize
@document = ""
end
def process_before_children(node)
if (!node.is_a?(Glimmer::XML::Node))
@document += node.to_s
return
end
begin_open_tag(node)
append_attributes(node) if node.attributes
end_open_tag(node)
end
def process_after_children(node)
return if (!node.is_a?(Glimmer::XML::Node))
append_close_tag(node)
end
def begin_open_tag(node)
return if node.name == 'xml' || node.name_space_context?
@document += "<"
@document += "#{node.name_space.name}:" if node.name_space
@document += node.name
end
def end_open_tag(node)
return if node.name == 'xml' || node.name_space_context?
if (node.contents)
@document += ">"
else
@document += " " if node.attributes.keys.size > 0
@document += " />"
end
end
def append_close_tag(node)
return if node.name == 'xml' || node.name_space_context?
if (node.contents)
@document += "</"
@document += "#{node.name_space.name}:" if node.name_space
@document += "#{node.name}>"
end
end
def append_attributes(node)
return if node.name == 'xml' || node.name_space_context?
# Glimmer::Config.logger&.debug "Append Attributes"
# Glimmer::Config.logger&.debug(node.attributes)
node.attributes.each do |attribute, value|
attribute_name = attribute
attribute_name = "#{attribute.name_space.name}:#{attribute.name}" if attribute.is_a?(Node)
attribute_name = attribute_name.to_s.gsub('_', Glimmer::Config.xml_attribute_underscore) if attribute_name.is_a?(Symbol)
@document += " #{attribute_name}"
@document += "=\"#{value}\"" unless value.nil?
end
end
end
end
end