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c4fdfabcc8
g -L frozen_string_literal ext/**/*.rb|xargs ruby -Ka -e'ARGV.each{|fn|puts
fn;open(fn,"r+"){|f|s=f.read.sub(/\A(#!.*\n)?(#.*coding.*\n)?/,"\\&#
frozen_string_literal: false\n");f.rewind;f.write s}}'
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53143 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
95 lines
2 KiB
Ruby
95 lines
2 KiB
Ruby
# frozen_string_literal: false
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module Psych
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###
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# If an object defines +encode_with+, then an instance of Psych::Coder will
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# be passed to the method when the object is being serialized. The Coder
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# automatically assumes a Psych::Nodes::Mapping is being emitted. Other
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# objects like Sequence and Scalar may be emitted if +seq=+ or +scalar=+ are
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# called, respectively.
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class Coder
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attr_accessor :tag, :style, :implicit, :object
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attr_reader :type, :seq
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def initialize tag
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@map = {}
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@seq = []
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@implicit = false
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@type = :map
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@tag = tag
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@style = Psych::Nodes::Mapping::BLOCK
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@scalar = nil
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@object = nil
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end
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def scalar *args
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if args.length > 0
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warn "#{caller[0]}: Coder#scalar(a,b,c) is deprecated" if $VERBOSE
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@tag, @scalar, _ = args
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@type = :scalar
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end
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@scalar
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end
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# Emit a map. The coder will be yielded to the block.
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def map tag = @tag, style = @style
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@tag = tag
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@style = style
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yield self if block_given?
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@map
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end
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# Emit a scalar with +value+ and +tag+
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def represent_scalar tag, value
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self.tag = tag
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self.scalar = value
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end
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# Emit a sequence with +list+ and +tag+
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def represent_seq tag, list
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@tag = tag
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self.seq = list
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end
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# Emit a sequence with +map+ and +tag+
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def represent_map tag, map
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@tag = tag
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self.map = map
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end
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# Emit an arbitrary object +obj+ and +tag+
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def represent_object tag, obj
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@tag = tag
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@type = :object
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@object = obj
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end
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# Emit a scalar with +value+
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def scalar= value
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@type = :scalar
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@scalar = value
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end
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# Emit a map with +value+
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def map= map
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@type = :map
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@map = map
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end
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def []= k, v
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@type = :map
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@map[k] = v
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end
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alias :add :[]=
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def [] k
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@type = :map
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@map[k]
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end
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# Emit a sequence of +list+
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def seq= list
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@type = :seq
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@seq = list
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end
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end
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end
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