1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
# -*- mode: ruby; ruby-indent-level: 4 -*- vim: sw=4
#
# Classes required by the full core typeset
#
require 'yaml/compat'
module YAML
#
# Default private type
#
class PrivateType
def self.tag_subclasses?; false; end
attr_accessor :type_id, :value
verbose, $VERBOSE = $VERBOSE, nil
def initialize( type, val )
@type_id = type; @value = val
@value.taguri = "x-private:#{ @type_id }"
end
def to_yaml( opts = {} )
@value.to_yaml( opts )
end
ensure
$VERBOSE = verbose
end
#
# Default domain type
#
class DomainType
def self.tag_subclasses?; false; end
attr_accessor :domain, :type_id, :value
verbose, $VERBOSE = $VERBOSE, nil
def initialize( domain, type, val )
@domain = domain; @type_id = type; @value = val
@value.taguri = "tag:#{ @domain }:#{ @type_id }"
end
def to_yaml( opts = {} )
@value.to_yaml( opts )
end
ensure
$VERBOSE = verbose
end
#
# Unresolved objects
#
class Object
def self.tag_subclasses?; false; end
def to_yaml( opts = {} )
YAML::quick_emit( object_id, opts ) do |out|
out.map( "tag:ruby.yaml.org,2002:object:#{ @class }", to_yaml_style ) do |map|
@ivars.each do |k,v|
map.add( k, v )
end
end
end
end
end
#
# YAML Hash class to support comments and defaults
#
class SpecialHash < ::Hash
attr_accessor :default
def inspect
self.default.to_s
end
def to_s
self.default.to_s
end
def update( h )
if YAML::SpecialHash === h
@default = h.default if h.default
end
super( h )
end
def to_yaml( opts = {} )
opts[:DefaultKey] = self.default
super( opts )
end
end
#
# Builtin collection: !omap
#
class Omap < ::Array
yaml_as "tag:yaml.org,2002:omap"
def yaml_initialize( tag, val )
if Array === val
val.each do |v|
if Hash === v
concat( v.to_a ) # Convert the map to a sequence
else
raise YAML::Error, "Invalid !omap entry: " + val.inspect
end
end
else
raise YAML::Error, "Invalid !omap: " + val.inspect
end
self
end
def self.[]( *vals )
o = Omap.new
0.step( vals.length - 1, 2 ) do |i|
o[vals[i]] = vals[i+1]
end
o
end
def []( k )
self.assoc( k ).to_a[1]
end
def []=( k, *rest )
val, set = rest.reverse
if ( tmp = self.assoc( k ) ) and not set
tmp[1] = val
else
self << [ k, val ]
end
val
end
def has_key?( k )
self.assoc( k ) ? true : false
end
def is_complex_yaml?
true
end
def to_yaml( opts = {} )
YAML::quick_emit( self.object_id, opts ) do |out|
out.seq( taguri, to_yaml_style ) do |seq|
self.each do |v|
seq.add( Hash[ *v ] )
end
end
end
end
end
#
# Builtin collection: !pairs
#
class Pairs < ::Array
yaml_as "tag:yaml.org,2002:pairs"
def yaml_initialize( tag, val )
if Array === val
val.each do |v|
if Hash === v
concat( v.to_a ) # Convert the map to a sequence
else
raise YAML::Error, "Invalid !pairs entry: " + val.inspect
end
end
else
raise YAML::Error, "Invalid !pairs: " + val.inspect
end
self
end
def self.[]( *vals )
p = Pairs.new
0.step( vals.length - 1, 2 ) { |i|
p[vals[i]] = vals[i+1]
}
p
end
def []( k )
self.assoc( k ).to_a
end
def []=( k, val )
self << [ k, val ]
val
end
def has_key?( k )
self.assoc( k ) ? true : false
end
def is_complex_yaml?
true
end
def to_yaml( opts = {} )
YAML::quick_emit( self.object_id, opts ) do |out|
out.seq( taguri, to_yaml_style ) do |seq|
self.each do |v|
seq.add( Hash[ *v ] )
end
end
end
end
end
#
# Builtin collection: !set
#
class Set < ::Hash
yaml_as "tag:yaml.org,2002:set"
end
end
|
