Class: CFPropertyList::NokogiriXMLParser

Inherits:
ParserInterface show all
Defined in:
lib/cfpropertylist/rbNokogiriParser.rb

Overview

XML parser

Constant Summary collapse

PARSER_OPTIONS = 
Nokogiri::XML::ParseOptions::NOBLANKS|Nokogiri::XML::ParseOptions::NONET

Instance Method Summary collapse

Instance Method Details

#append_node(parent, child) ⇒ Object 



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# File 'lib/cfpropertylist/rbNokogiriParser.rb', line 68

def append_node(parent, child)
  parent << child
end

#load(opts) ⇒ Object

read a XML file

opts

  • :file - The filename of the file to load

  • :data - The data to parse



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# File 'lib/cfpropertylist/rbNokogiriParser.rb', line 13

def load(opts)
  doc = nil
  if(opts.has_key?(:file)) then
    File.open(opts[:file], "rb") { |fd| doc = Nokogiri::XML::Document.parse(fd, nil, nil, PARSER_OPTIONS) }
  else
    doc = Nokogiri::XML::Document.parse(opts[:data], nil, nil, PARSER_OPTIONS)
  end

  if doc
    root = doc.root.children.first
    return import_xml(root)
  end
rescue Nokogiri::XML::SyntaxError => e
  raise CFFormatError.new('invalid XML: ' + e.message)
end

#new_node(name) ⇒ Object 



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# File 'lib/cfpropertylist/rbNokogiriParser.rb', line 60

def new_node(name)
  @doc.create_element name
end

#new_text(val) ⇒ Object 



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# File 'lib/cfpropertylist/rbNokogiriParser.rb', line 64

def new_text(val)
  @doc.create_text_node val
end

#to_str(opts = {}) ⇒ Object

serialize CFPropertyList object to XML

opts = {}

Specify options: :formatted - Use indention and line breaks



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# File 'lib/cfpropertylist/rbNokogiriParser.rb', line 31

def to_str(opts={})
  doc = Nokogiri::XML::Document.new
  @doc = doc

  doc.root = doc.create_element 'plist', :version => '1.0'
  doc.encoding = 'UTF-8'

  doc.root << opts[:root].to_xml(self)

  # ugly hack, but there's no other possibility I know
  s_opts = Nokogiri::XML::Node::SaveOptions::AS_XML
  s_opts |= Nokogiri::XML::Node::SaveOptions::FORMAT if opts[:formatted]

  str = doc.serialize(:save_with => s_opts)
  str1 = String.new
  first = false
  str.each_line do |line|
    str1 << line
    unless(first) then
      str1 << "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" if line =~ /^\s*<\?xml/
    end

    first = true
  end

  str1.force_encoding('UTF-8') if str1.respond_to?(:force_encoding)
  return str1
end