class Psych::Visitors::RestrictedYAMLTree
Constants
- DEFAULT_PERMITTED_CLASSES
Public Class Methods
new(emitter, ss, options)
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Calls superclass method
Psych::Visitors::YAMLTree::new
# File psych/lib/psych/visitors/yaml_tree.rb, line 552 def initialize emitter, ss, options super @permitted_classes = DEFAULT_PERMITTED_CLASSES.dup Array(options[:permitted_classes]).each do |klass| @permitted_classes[klass] = true end @permitted_symbols = {}.compare_by_identity Array(options[:permitted_symbols]).each do |symbol| @permitted_symbols[symbol] = true end @aliases = options.fetch(:aliases, false) end
Public Instance Methods
accept(target)
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Calls superclass method
Psych::Visitors::YAMLTree#accept
# File psych/lib/psych/visitors/yaml_tree.rb, line 565 def accept target if !@aliases && @st.key?(target) raise BadAlias, "Tried to dump an aliased object" end unless Symbol === target || @permitted_classes[target.class] raise DisallowedClass.new('dump', target.class.name || target.class.inspect) end super end
visit_Symbol(sym)
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Calls superclass method
Psych::Visitors::YAMLTree#visit_Symbol
# File psych/lib/psych/visitors/yaml_tree.rb, line 577 def visit_Symbol sym unless @permitted_classes[Symbol] || @permitted_symbols[sym] raise DisallowedClass.new('dump', "Symbol(#{sym.inspect})") end super end