Class: SOAP::SOAPGenerator

Inherits:
Object show all
Includes:
SOAP, XSD::CodeGen::GenSupport
Defined in:
lib/soap/generator.rb

Overview

CAUTION: MT-unsafe

Defined Under Namespace

Classes: FormatEncodeError

Constant Summary collapse

EncodeMap =
{
  '&' => '&',
  '<' => '&lt;',
  '>' => '&gt;',
  '"' => '&quot;',
  '\'' => '&apos;',
  "\r" => '&#xd;'
}
EncodeCharRegexp =
Regexp.new("[#{EncodeMap.keys.join}]")

Constants included from SOAP

AttrActor, AttrActorName, AttrArrayType, AttrArrayTypeName, AttrEncodingStyle, AttrEncodingStyleName, AttrMustUnderstand, AttrMustUnderstandName, AttrOffset, AttrOffsetName, AttrPosition, AttrPositionName, AttrRoot, AttrRootName, Base64Literal, Charset, EleBody, EleBodyName, EleEnvelope, EleEnvelopeName, EleFault, EleFaultActor, EleFaultActorName, EleFaultCode, EleFaultCodeName, EleFaultDetail, EleFaultDetailName, EleFaultName, EleFaultString, EleFaultStringName, EleHeader, EleHeaderName, EncodingNamespace, EnvelopeNamespace, LiteralNamespace, MediaType, NS, NextActor, PropertyName, RPCRouter, RPCServerException, RPCUtils, SOAPNamespaceTag, SOAPProxy, TypeMap, VERSION, ValueArray, ValueArrayName, XSDNamespaceTag, XSINamespaceTag

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from XSD::CodeGen::GenSupport

capitalize, constant?, #format, keyword?, safeconstname, safeconstname?, safemethodname, safemethodname?, safevarname, safevarname?, uncapitalize

Constructor Details

#initialize(opt = {}) ⇒ SOAPGenerator

Returns a new instance of SOAPGenerator.


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# File 'lib/soap/generator.rb', line 35

def initialize(opt = {})
  @reftarget = nil
  @handlers = {}
  @charset = opt[:charset] || XSD::Charset.xml_encoding_label
  @default_encodingstyle = opt[:default_encodingstyle] || EncodingNamespace
  @generate_explicit_type =
    opt.key?(:generate_explicit_type) ? opt[:generate_explicit_type] : true
  # elementformdefault is for default namespace usage controll
  # TODO: should be renamed
  @elementformdefault = opt[:elementformdefault]
  @attributeformdefault = opt[:attributeformdefault]
  @use_numeric_character_reference = opt[:use_numeric_character_reference]
  @indentstr = opt[:no_indent] ? '' : '  '
  @buf = @indent = @curr = nil
end

Instance Attribute Details

#charsetObject

Returns the value of attribute charset


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# File 'lib/soap/generator.rb', line 30

def charset
  @charset
end

#default_encodingstyleObject

Returns the value of attribute default_encodingstyle


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# File 'lib/soap/generator.rb', line 31

def default_encodingstyle
  @default_encodingstyle
end

#generate_explicit_typeObject

Returns the value of attribute generate_explicit_type


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# File 'lib/soap/generator.rb', line 32

def generate_explicit_type
  @generate_explicit_type
end

#use_numeric_character_referenceObject

Returns the value of attribute use_numeric_character_reference


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# File 'lib/soap/generator.rb', line 33

def use_numeric_character_reference
  @use_numeric_character_reference
end

Class Method Details

.assign_ns(attrs, ns, namespace, tag = nil) ⇒ Object


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# File 'lib/soap/generator.rb', line 229

def self.assign_ns(attrs, ns, namespace, tag = nil)
  if namespace.nil?
    raise FormatEncodeError.new("empty namespace")
  end
  unless ns.assigned?(namespace)
    tag = ns.assign(namespace, tag)
    if tag == ''
      attr = 'xmlns'
    else
      attr = "xmlns:#{tag}"
    end
    attrs[attr] = namespace
  end
end

Instance Method Details

#add_reftarget(name, node) ⇒ Object


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# File 'lib/soap/generator.rb', line 107

def add_reftarget(name, node)
  unless @reftarget
    raise FormatEncodeError.new("Reftarget is not defined.")
  end
  @reftarget.add(name, node)
end

#element_local?(element) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'lib/soap/generator.rb', line 225

def element_local?(element)
  element.elename.namespace.nil?
end

#encode_child(ns, child, parent) ⇒ Object


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# File 'lib/soap/generator.rb', line 114

def encode_child(ns, child, parent)
  indent_backup, @indent = @indent, @indent + @indentstr
  encode_data(ns.clone_ns, child, parent)
  @indent = indent_backup
end

#encode_data(ns, obj, parent) ⇒ Object


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# File 'lib/soap/generator.rb', line 72

def encode_data(ns, obj, parent)
  if obj.respond_to?(:to_xmlpart)
    formatted = trim_eol(obj.to_xmlpart)
    formatted = trim_indent(formatted)
    formatted = formatted.gsub(/^/, @indent).sub(/\n+\z/, '')
    @buf << "\n#{formatted}"
    return
  elsif obj.is_a?(SOAPEnvelopeElement)
    encode_element(ns, obj, parent)
    return
  end
  if @reftarget && !obj.precedents.empty?
    add_reftarget(obj.elename.name, obj)
    ref = SOAPReference.new(obj)
    ref.elename = ref.elename.dup_name(obj.elename.name)
    obj.precedents.clear	# Avoid cyclic delay.
    obj.encodingstyle = parent.encodingstyle
    # SOAPReference is encoded here.
    obj = ref
  end
  encodingstyle = obj.encodingstyle
  # Children's encodingstyle is derived from its parent.
  encodingstyle ||= parent.encodingstyle if parent
  obj.encodingstyle = encodingstyle
  handler = find_handler(encodingstyle || @default_encodingstyle)
  unless handler
    raise FormatEncodeError.new("Unknown encodingStyle: #{ encodingstyle }.")
  end
  if !obj.elename.name
    raise FormatEncodeError.new("Element name not defined: #{ obj }.")
  end
  handler.encode_data(self, ns, obj, parent)
  handler.encode_data_end(self, ns, obj, parent)
end

#encode_element(ns, obj, parent) ⇒ Object


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# File 'lib/soap/generator.rb', line 120

def encode_element(ns, obj, parent)
  attrs = obj.extraattr.dup
  if obj.is_a?(SOAPBody)
    @reftarget = obj
    obj.encode(self, ns, attrs) do |child|
	indent_backup, @indent = @indent, @indent + @indentstr
      encode_data(ns.clone_ns, child, obj)
	@indent = indent_backup
    end
    @reftarget = nil
  else
    if obj.is_a?(SOAPEnvelope)
      # xsi:nil="true" can appear even if dumping without explicit type.
      SOAPGenerator.assign_ns(attrs, ns,
 XSD::InstanceNamespace, XSINamespaceTag)
      if @generate_explicit_type
        SOAPGenerator.assign_ns(attrs, ns, XSD::Namespace, XSDNamespaceTag)
      end
    end
    obj.encode(self, ns, attrs) do |child|
	indent_backup, @indent = @indent, @indent + @indentstr
      encode_data(ns.clone_ns, child, obj)
	@indent = indent_backup
    end
  end
end

#encode_name(ns, data, attrs) ⇒ Object


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# File 'lib/soap/generator.rb', line 147

def encode_name(ns, data, attrs)
  if element_local?(data)
    data.elename.name
  else
    if @elementformdefault
      SOAPGenerator.assign_ns(attrs, ns, data.elename.namespace, '')
    else
      SOAPGenerator.assign_ns(attrs, ns, data.elename.namespace)
    end
    ns.name(data.elename)
  end
end

#encode_name_end(ns, data) ⇒ Object


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# File 'lib/soap/generator.rb', line 160

def encode_name_end(ns, data)
  if element_local?(data)
    data.elename.name
  else
    ns.name(data.elename)
  end
end

#encode_rawstring(str) ⇒ Object


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# File 'lib/soap/generator.rb', line 197

def encode_rawstring(str)
  @buf << str
end

#encode_string(str) ⇒ Object


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# File 'lib/soap/generator.rb', line 210

def encode_string(str)
  if @use_numeric_character_reference and !XSD::Charset.is_us_ascii(str)
    str.gsub!(EncodeCharRegexp) { |c| EncodeMap[c] }
    @buf << str.unpack("U*").collect { |c|
      if c == 0x9 or c == 0xa or c == 0xd or (c >= 0x20 and c <= 0x7f)
        c.chr
      else
        sprintf("&#x%x;", c)
      end
    }.join
  else
    @buf << str.gsub(EncodeCharRegexp) { |c| EncodeMap[c] }
  end
end

#encode_tag(elename, attrs = nil) ⇒ Object


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# File 'lib/soap/generator.rb', line 168

def encode_tag(elename, attrs = nil)
  if attrs.nil? or attrs.empty?
    @buf << "\n#{ @indent }<#{ elename }>"
    return 
  end
  ary = []
  attrs.each do |key, value|
    ary << %Q[#{ key }="#{ value }"] unless value.nil?
  end
  case ary.size
  when 0
    @buf << "\n#{ @indent }<#{ elename }>"
  when 1
    @buf << %Q[\n#{ @indent }<#{ elename } #{ ary[0] }>]
  else
    @buf << "\n#{ @indent }<#{ elename } " <<
      ary.join("\n#{ @indent }#{ @indentstr * 2 }") <<
	'>'
  end
end

#encode_tag_end(elename, cr = nil) ⇒ Object


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# File 'lib/soap/generator.rb', line 189

def encode_tag_end(elename, cr = nil)
  if cr
    @buf << "\n#{ @indent }</#{ elename }>"
  else
    @buf << "</#{ elename }>"
  end
end

#generate(obj, io = nil) ⇒ Object


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# File 'lib/soap/generator.rb', line 51

def generate(obj, io = nil)
  @buf = io || ''
  @indent = ''

  prologue
  @handlers.each do |uri, handler|
    handler.encode_prologue
  end

  ns = XSD::NS.new
  @buf << xmldecl
  encode_data(ns, obj, nil)

  @handlers.each do |uri, handler|
    handler.encode_epilogue
  end
  epilogue

  @buf
end