Class: REXML::XMLDecl

Inherits:
Child show all
Includes:
Encoding
Defined in:
lib/extensions/rexml/rexml/xmldecl.rb,
lib/extensions/rhoxml/rexml/xmldecl.rb,
lib/extensions/rhoxml/rexml/document.rb

Overview

NEEDS DOCUMENTATION

Constant Summary collapse

DEFAULT_VERSION = 
"1.0"
DEFAULT_ENCODING = 
"UTF-8"
DEFAULT_STANDALONE = 
"no"
START = 
'<\?xml'
STOP = 
'\?>'

Constants included from Encoding

Encoding::UNILE, Encoding::UTF_16, Encoding::UTF_8

Instance Attribute Summary collapse

Attributes included from Encoding

#encoding

Attributes inherited from Child

#parent

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Encoding

apply, #check_encoding, #decode_ascii, #decode_cp1252, #decode_iconv, #decode_unile, #decode_utf16, #decode_utf8, #encode_ascii, #encode_cp1252, #encode_iconv, #encode_unile, #encode_utf16, #encode_utf8, encoding_method, #from_iso_8859_15, register, #to_iso_8859_15

Methods inherited from Child

#bytes, #document, #next_sibling=, #previous_sibling=, #remove, #replace_with

Methods included from Node

#each_recursive, #find_first_recursive, #indent, #index_in_parent, #next_sibling_node, #parent?, #previous_sibling_node, #to_s

Constructor Details

#initialize(version = DEFAULT_VERSION, encoding = nil, standalone = nil) ⇒ XMLDecl

Returns a new instance of XMLDecl.



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 18

def initialize(version=DEFAULT_VERSION, encoding=nil, standalone=nil)
  @writethis = true
  @writeencoding = !encoding.nil?
  if version.kind_of? XMLDecl
    super()
    @version = version.version
    self.encoding = version.encoding
    @writeencoding = version.writeencoding
    @standalone = version.standalone
  else
    super()
    @version = version
    self.encoding = encoding
    @standalone = standalone
  end
  @version = DEFAULT_VERSION if @version.nil?
end

Instance Attribute Details

#standalone ⇒ Object Also known as: stand_alone?

Returns the value of attribute standalone.



15
16
17
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 15

def standalone
  @standalone
end

#version ⇒ Object

Returns the value of attribute version.



15
16
17
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 15

def version
  @version
end

#writeencoding ⇒ Object (readonly)

Returns the value of attribute writeencoding.



16
17
18
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 16

def writeencoding
  @writeencoding
end

#writethis ⇒ Object (readonly)

Returns the value of attribute writethis.



16
17
18
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 16

def writethis
  @writethis
end

Class Method Details

.default ⇒ Object

Only use this if you do not want the XML declaration to be written; this object is ignored by the XML writer. Otherwise, instantiate your own XMLDecl and add it to the document.

Note that XML 1.1 documents must include an XML declaration



93
94
95
96
97
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 93

def XMLDecl.default
  rv = XMLDecl.new( "1.0" )
  rv.nowrite
  rv
end

Instance Method Details

#==(other) ⇒ Object 



57
58
59
60
61
62
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 57

def ==( other )
  other.kind_of?(XMLDecl) and
  other.version == @version and
  other.encoding == self.encoding and
  other.standalone == @standalone
end

#clone ⇒ Object 



36
37
38
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 36

def clone
  XMLDecl.new(self)
end

#dowrite ⇒ Object 



103
104
105
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 103

def dowrite
  @writethis = true
end

#encoding=(enc) ⇒ Object 



77
78
79
80
81
82
83
84
85
86
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 77

def encoding=( enc )
  if enc.nil?
    self.old_enc = "UTF-8"
    @writeencoding = false
  else
    self.old_enc = enc
    @writeencoding = true
  end
  self.dowrite
end

#inspect ⇒ Object 



107
108
109
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 107

def inspect
  START.sub(/\\/u, '') + " ... " + STOP.sub(/\\/u, '')
end

#node_type ⇒ Object 



70
71
72
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 70

def node_type
  :xmldecl
end

#nowrite ⇒ Object 



99
100
101
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 99

def nowrite
  @writethis = false
end

#old_enc= ⇒ Object 



75
76
77
78
79
80
81
82
83
84
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 75

def encoding=( enc )
  if enc.nil?
    self.old_enc = "UTF-8"
    @writeencoding = false
  else
    self.old_enc = enc
    @writeencoding = true
  end
  self.dowrite
end

#write(writer, indent = -1,, transitive = false, ie_hack = false) ⇒ Object

indent

Ignored. There must be no whitespace before an XML declaration

transitive

Ignored

ie_hack

Ignored



46
47
48
49
50
51
52
53
54
55
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 46

def write(writer, indent=-1, transitive=false, ie_hack=false)
  return nil unless @writethis or writer.kind_of? Output
  writer << START.sub(/\\/u, '')
  if writer.kind_of? Output
    writer << " #{content writer.encoding}"
  else
    writer << " #{content encoding}"
  end
  writer << STOP.sub(/\\/u, '')
end

#xmldecl(version, encoding, standalone) ⇒ Object 



64
65
66
67
68
 
# File 'lib/extensions/rexml/rexml/xmldecl.rb', line 64

def xmldecl version, encoding, standalone
  @version = version
  self.encoding = encoding
  @standalone = standalone
end