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authortenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-04-16 20:27:51 +0000
committertenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-04-16 20:27:51 +0000
commit2db7b7f3fe7de2b518d46ea11c26875f86d26136 (patch)
tree063260cf9c6da1074cbf3d7413b173206b5cb8f5 /ext/psych/lib
parent039219b2c978641d96fe28ba451148b0425ffd4e (diff)
* ext/psych/lib/psych/coder.rb (scalar): supporting deprecated methods
* ext/psych/lib/psych/deprecated.rb: supporting deprecated to_yaml_properties method git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/psych/lib')
-rw-r--r--ext/psych/lib/psych/coder.rb11
-rw-r--r--ext/psych/lib/psych/deprecated.rb8
-rw-r--r--ext/psych/lib/psych/visitors/yaml_tree.rb21
3 files changed, 33 insertions, 7 deletions
diff --git a/ext/psych/lib/psych/coder.rb b/ext/psych/lib/psych/coder.rb
index eff0cc3dcb..c06c9c1e61 100644
--- a/ext/psych/lib/psych/coder.rb
+++ b/ext/psych/lib/psych/coder.rb
@@ -7,7 +7,7 @@ module Psych
# called, respectively.
class Coder
attr_accessor :tag, :style, :implicit
- attr_reader :type, :scalar, :seq
+ attr_reader :type, :seq
def initialize tag
@map = {}
@@ -19,6 +19,15 @@ module Psych
@scalar = nil
end
+ def scalar *args
+ if args.length > 0
+ warn "#{caller[0]}: Coder#scalar(a,b,c) is deprecated" if $VERBOSE
+ @tag, @scalar, _ = args
+ @type = :scalar
+ end
+ @scalar
+ end
+
# Emit a map. The coder will be yielded to the block.
def map tag = @tag, style = @style
@tag = tag
diff --git a/ext/psych/lib/psych/deprecated.rb b/ext/psych/lib/psych/deprecated.rb
index c0c9abef7a..26e431dd81 100644
--- a/ext/psych/lib/psych/deprecated.rb
+++ b/ext/psych/lib/psych/deprecated.rb
@@ -1,6 +1,8 @@
require 'date'
module Psych
+ DEPRECATED = __FILE__ # :nodoc:
+
module DeprecatedMethods # :nodoc:
attr_accessor :taguri
attr_accessor :to_yaml_style
@@ -19,3 +21,9 @@ module Psych
target.psych_to_yaml unless opts[:nodump]
end
end
+
+class Object
+ def to_yaml_properties # :nodoc:
+ instance_variables
+ end
+end
diff --git a/ext/psych/lib/psych/visitors/yaml_tree.rb b/ext/psych/lib/psych/visitors/yaml_tree.rb
index 3cbb695bce..4f990a73d6 100644
--- a/ext/psych/lib/psych/visitors/yaml_tree.rb
+++ b/ext/psych/lib/psych/visitors/yaml_tree.rb
@@ -182,9 +182,7 @@ module Psych
plain = !quote
end
- ivars = o.respond_to?(:to_yaml_properties) ?
- o.to_yaml_properties :
- o.instance_variables
+ ivars = find_ivars o
scalar = create_scalar str, nil, tag, plain, quote
@@ -251,6 +249,19 @@ module Psych
end
private
+ # FIXME: remove this method once "to_yaml_properties" is removed
+ def find_ivars target
+ m = target.method(:to_yaml_properties)
+ unless m.source_location.first.start_with?(Psych::DEPRECATED)
+ if $VERBOSE
+ warn "to_yaml_properties is deprecated, please implement \"encode_with(coder)\""
+ end
+ return target.to_yaml_properties
+ end
+
+ target.instance_variables
+ end
+
def append o
@stack.last.children << o
o
@@ -295,9 +306,7 @@ module Psych
end
def dump_ivars target, map
- ivars = target.respond_to?(:to_yaml_properties) ?
- target.to_yaml_properties :
- target.instance_variables
+ ivars = find_ivars target
ivars.each do |iv|
map.children << create_scalar("#{iv.to_s.sub(/^@/, '')}")