mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
d578f9d32e
appearing alone or at the end of plain scalars. [ruby-core:5826] * ext/syck/emitter.c (syck_emit_scalar): treat typed scalar nodes as complex keys. * lib/syck.h: version 0.60. * lib/yaml/basenode.rb (YAML::BaseNode#at): transform keys during key searches. * ext/syck/rubyext.c: loading of binary-typed nodes. prevent emission of plain strings that look like symbols, but which aren't. * ext/syck/emitter.c (syck_emit): passing an int* value to the long* parameter causes unaligned access on LP64 systems. [ruby-dev:27161] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
405 lines
13 KiB
Ruby
405 lines
13 KiB
Ruby
# -*- mode: ruby; ruby-indent-level: 4; tab-width: 4 -*- vim: sw=4 ts=4
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require 'date'
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class Class
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def to_yaml( opts = {} )
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raise TypeError, "can't dump anonymous class %s" % self.class
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end
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end
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class Object
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yaml_as "tag:ruby.yaml.org,2002:object"
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def to_yaml_style; end
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def to_yaml_properties; instance_variables.sort; end
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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out.map( taguri, to_yaml_style ) do |map|
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to_yaml_properties.each do |m|
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map.add( m[1..-1], instance_variable_get( m ) )
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end
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end
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end
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end
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end
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class Hash
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yaml_as "tag:ruby.yaml.org,2002:hash"
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yaml_as "tag:yaml.org,2002:map"
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def yaml_initialize( tag, val )
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if Array === val
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update Hash.[]( *val ) # Convert the map to a sequence
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elsif Hash === val
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update val
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else
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raise YAML::TypeError, "Invalid map explicitly tagged #{ tag }: " + val.inspect
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end
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end
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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out.map( taguri, to_yaml_style ) do |map|
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each do |k, v|
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map.add( k, v )
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end
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end
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end
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end
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end
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class Struct
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yaml_as "tag:ruby.yaml.org,2002:struct"
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def self.yaml_tag_class_name; self.name.gsub( "Struct::", "" ); end
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def self.yaml_tag_read_class( name ); "Struct::#{ name }"; end
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def self.yaml_new( klass, tag, val )
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if Hash === val
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struct_type = nil
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#
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# Use existing Struct if it exists
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#
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props = {}
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val.delete_if { |k,v| props[k] = v if k =~ /^@/ }
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begin
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struct_name, struct_type = YAML.read_type_class( tag, Struct )
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rescue NameError
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end
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if not struct_type
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struct_def = [ tag.split( ':', 4 ).last ]
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struct_type = Struct.new( *struct_def.concat( val.keys.collect { |k| k.intern } ) )
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end
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#
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# Set the Struct properties
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#
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st = YAML::object_maker( struct_type, {} )
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st.members.each do |m|
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st.send( "#{m}=", val[m] )
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end
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props.each do |k,v|
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st.instance_variable_set(k, v)
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end
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st
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else
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raise YAML::TypeError, "Invalid Ruby Struct: " + val.inspect
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end
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end
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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#
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# Basic struct is passed as a YAML map
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#
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out.map( taguri, to_yaml_style ) do |map|
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self.members.each do |m|
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map.add( m, self[m] )
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end
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self.to_yaml_properties.each do |m|
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map.add( m, instance_variable_get( m ) )
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end
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end
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end
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end
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end
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class Array
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yaml_as "tag:ruby.yaml.org,2002:array"
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yaml_as "tag:yaml.org,2002:seq"
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def yaml_initialize( tag, val ); concat( val.to_a ); end
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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out.seq( taguri, to_yaml_style ) do |seq|
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each do |x|
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seq.add( x )
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end
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end
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end
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end
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end
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class Exception
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yaml_as "tag:ruby.yaml.org,2002:exception"
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def Exception.yaml_new( klass, tag, val )
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o = YAML.object_maker( klass, { 'mesg' => val.delete( 'message' ) } )
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val.each_pair do |k,v|
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o.instance_variable_set("@#{k}", v)
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end
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o
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end
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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out.map( taguri, to_yaml_style ) do |map|
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map.add( 'message', message )
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to_yaml_properties.each do |m|
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map.add( m[1..-1], instance_variable_get( m ) )
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end
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end
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end
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end
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end
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class String
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yaml_as "tag:ruby.yaml.org,2002:string"
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yaml_as "tag:yaml.org,2002:binary"
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yaml_as "tag:yaml.org,2002:str"
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def is_complex_yaml?
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to_yaml_style or not to_yaml_properties.empty? or self =~ /\n.+/
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end
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def is_binary_data?
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( self.count( "^ -~", "^\r\n" ) / self.size > 0.3 || self.count( "\x00" ) > 0 ) unless empty?
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end
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def String.yaml_new( klass, tag, val )
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val = val.unpack("m")[0] if tag == "tag:yaml.org,2002:binary"
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val = { 'str' => val } if String === val
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if Hash === val
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s = klass.allocate
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# Thank you, NaHi
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String.instance_method(:initialize).
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bind(s).
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call( val.delete( 'str' ) )
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val.each { |k,v| s.instance_variable_set( k, v ) }
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s
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else
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raise YAML::TypeError, "Invalid String: " + val.inspect
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end
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end
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def to_yaml( opts = {} )
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YAML::quick_emit( is_complex_yaml? ? object_id : nil, opts ) do |out|
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if is_binary_data?
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out.scalar( "tag:yaml.org,2002:binary", [self].pack("m"), :literal )
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elsif to_yaml_properties.empty?
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out.scalar( taguri, self, self =~ /^:/ ? :quote2 : to_yaml_style )
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else
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out.map( taguri, to_yaml_style ) do |map|
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map.add( 'str', "#{self}" )
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to_yaml_properties.each do |m|
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map.add( m, instance_variable_get( m ) )
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end
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end
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end
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end
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end
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end
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class Symbol
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yaml_as "tag:ruby.yaml.org,2002:symbol"
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yaml_as "tag:ruby.yaml.org,2002:sym"
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def Symbol.yaml_new( klass, tag, val )
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if String === val
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val.intern
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else
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raise YAML::TypeError, "Invalid Symbol: " + val.inspect
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end
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end
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def to_yaml( opts = {} )
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YAML::quick_emit( nil, opts ) do |out|
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out.scalar( "tag:yaml.org,2002:str", self.inspect, :plain )
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end
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end
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end
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class Range
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yaml_as "tag:ruby.yaml.org,2002:range"
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def Range.yaml_new( klass, tag, val )
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inr = %r'(\w+|[+-]?\d+(?:\.\d+)?(?:e[+-]\d+)?|"(?:[^\\"]|\\.)*")'
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opts = {}
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if String === val and val =~ /^#{inr}(\.{2,3})#{inr}$/o
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r1, rdots, r2 = $1, $2, $3
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opts = {
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'begin' => YAML.load( "--- #{r1}" ),
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'end' => YAML.load( "--- #{r2}" ),
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'excl' => rdots.length == 3
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}
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val = {}
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elsif Hash === val
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opts['begin'] = val.delete('begin')
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opts['end'] = val.delete('end')
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opts['excl'] = val.delete('excl')
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end
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if Hash === opts
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r = YAML::object_maker( klass, {} )
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# Thank you, NaHi
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Range.instance_method(:initialize).
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bind(r).
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call( opts['begin'], opts['end'], opts['excl'] )
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val.each { |k,v| r.instance_variable_set( k, v ) }
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r
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else
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raise YAML::TypeError, "Invalid Range: " + val.inspect
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end
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end
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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# if self.begin.is_complex_yaml? or self.begin.respond_to? :to_str or
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# self.end.is_complex_yaml? or self.end.respond_to? :to_str or
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# not to_yaml_properties.empty?
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out.map( taguri, to_yaml_style ) do |map|
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map.add( 'begin', self.begin )
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map.add( 'end', self.end )
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map.add( 'excl', self.exclude_end? )
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to_yaml_properties.each do |m|
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map.add( m, instance_variable_get( m ) )
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end
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end
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# else
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# out.scalar( taguri ) do |sc|
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# sc.embed( self.begin )
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# sc.concat( self.exclude_end? ? "..." : ".." )
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# sc.embed( self.end )
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# end
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# end
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end
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end
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end
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class Regexp
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yaml_as "tag:ruby.yaml.org,2002:regexp"
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def Regexp.yaml_new( klass, tag, val )
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if String === val and val =~ /^\/(.*)\/([mix]*)$/
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val = { 'regexp' => $1, 'mods' => $2 }
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end
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if Hash === val
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mods = nil
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unless val['mods'].to_s.empty?
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mods = 0x00
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mods |= Regexp::EXTENDED if val['mods'].include?( 'x' )
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mods |= Regexp::IGNORECASE if val['mods'].include?( 'i' )
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mods |= Regexp::MULTILINE if val['mods'].include?( 'm' )
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end
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val.delete( 'mods' )
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r = YAML::object_maker( klass, {} )
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Regexp.instance_method(:initialize).
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bind(r).
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call( val.delete( 'regexp' ), mods )
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val.each { |k,v| r.instance_variable_set( k, v ) }
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r
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else
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raise YAML::TypeError, "Invalid Regular expression: " + val.inspect
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end
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end
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def to_yaml( opts = {} )
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YAML::quick_emit( nil, opts ) do |out|
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if to_yaml_properties.empty?
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out.scalar( taguri, self.inspect, :plain )
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else
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out.map( taguri, to_yaml_style ) do |map|
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src = self.inspect
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if src =~ /\A\/(.*)\/([a-z]*)\Z/
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map.add( 'regexp', $1 )
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map.add( 'mods', $2 )
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else
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raise YAML::TypeError, "Invalid Regular expression: " + src
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end
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to_yaml_properties.each do |m|
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map.add( m, instance_variable_get( m ) )
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end
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end
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end
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end
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end
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end
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class Time
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yaml_as "tag:ruby.yaml.org,2002:time"
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yaml_as "tag:yaml.org,2002:timestamp"
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def Time.yaml_new( klass, tag, val )
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if Hash === val
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t = val.delete( 'at' )
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val.each { |k,v| t.instance_variable_set( k, v ) }
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t
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else
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raise YAML::TypeError, "Invalid Time: " + val.inspect
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end
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end
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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tz = "Z"
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# from the tidy Tobias Peters <t-peters@gmx.de> Thanks!
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unless self.utc?
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utc_same_instant = self.dup.utc
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utc_same_writing = Time.utc(year,month,day,hour,min,sec,usec)
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difference_to_utc = utc_same_writing - utc_same_instant
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if (difference_to_utc < 0)
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difference_sign = '-'
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absolute_difference = -difference_to_utc
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else
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difference_sign = '+'
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absolute_difference = difference_to_utc
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end
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difference_minutes = (absolute_difference/60).round
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tz = "%s%02d:%02d" % [ difference_sign, difference_minutes / 60, difference_minutes % 60]
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end
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standard = self.strftime( "%Y-%m-%d %H:%M:%S" )
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standard += ".%06d" % [usec] if usec.nonzero?
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standard += " %s" % [tz]
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if to_yaml_properties.empty?
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out.scalar( taguri, standard, :plain )
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else
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out.map( taguri, to_yaml_style ) do |map|
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map.add( 'at', standard )
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to_yaml_properties.each do |m|
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map.add( m, instance_variable_get( m ) )
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end
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end
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end
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end
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end
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end
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class Date
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yaml_as "tag:yaml.org,2002:timestamp#ymd"
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def to_yaml( opts = {} )
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YAML::quick_emit( object_id, opts ) do |out|
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out.scalar( "tag:yaml.org,2002:timestamp", self.to_s, :plain )
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end
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end
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end
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class Numeric
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def to_yaml( opts = {} )
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YAML::quick_emit( nil, opts ) do |out|
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str = self.to_s
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if str == "Infinity"
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str = ".Inf"
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elsif str == "-Infinity"
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str = "-.Inf"
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elsif str == "NaN"
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str = ".NaN"
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end
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out.scalar( taguri, str, :plain )
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end
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end
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end
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class Fixnum
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yaml_as "tag:yaml.org,2002:int"
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end
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class Float
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yaml_as "tag:yaml.org,2002:float"
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end
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class TrueClass
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yaml_as "tag:yaml.org,2002:bool#yes"
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def to_yaml( opts = {} )
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YAML::quick_emit( nil, opts ) do |out|
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out.scalar( taguri, "true", :plain )
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end
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end
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end
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class FalseClass
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yaml_as "tag:yaml.org,2002:bool#no"
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def to_yaml( opts = {} )
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YAML::quick_emit( nil, opts ) do |out|
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out.scalar( taguri, "false", :plain )
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end
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end
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end
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class NilClass
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yaml_as "tag:yaml.org,2002:null"
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def to_yaml( opts = {} )
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YAML::quick_emit( nil, opts ) do |out|
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out.scalar( taguri, "", :plain )
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end
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end
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end
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