Class: Dry::Schema::Trace Private
- Inherits:
- BasicObject
- Defined in:
- lib/dry/schema/trace.rb
Overview
This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.
Captures predicates defined within the DSL
Constant Summary collapse
- INVALID_PREDICATES =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
%i[key?].freeze
Instance Attribute Summary collapse
- #captures ⇒ Object readonly private
- #compiler ⇒ Object readonly private
Instance Method Summary collapse
- #append(op) ⇒ Object (also: #<<) private
- #class ⇒ Object private
- #evaluate(*args, type_spec: ::Dry::Schema::Undefined, **opts) ⇒ Object private
- #evaluate_predicates(predicates) ⇒ Object private
-
#initialize(compiler = Compiler.new) ⇒ Trace
constructor
private
A new instance of Trace.
- #to_ast ⇒ Object private
- #to_rule(name = nil) ⇒ Object private
Constructor Details
#initialize(compiler = Compiler.new) ⇒ Trace
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
Returns a new instance of Trace.
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# File 'lib/dry/schema/trace.rb', line 26 def initialize(compiler = Compiler.new) @compiler = compiler @captures = [] end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(meth, *args, &block) ⇒ Object (private)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 92 def method_missing(meth, *args, &block) if meth.to_s.end_with?(QUESTION_MARK) if ::Dry::Schema::Trace::INVALID_PREDICATES.include?(meth) ::Kernel.raise InvalidSchemaError, "#{meth} predicate cannot be used in this context" end unless compiler.supports?(meth) ::Kernel.raise ::ArgumentError, "#{meth} predicate is not defined" end predicate = Predicate.new(compiler, meth, args, block) predicate.ensure_valid predicate else super end end |
Instance Attribute Details
#captures ⇒ Object (readonly)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 23 def captures @captures end |
#compiler ⇒ Object (readonly)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 20 def compiler @compiler end |
Instance Method Details
#append(op) ⇒ Object Also known as: <<
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 57 def append(op) captures << op self end |
#class ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 80 def class ::Dry::Schema::Trace end |
#evaluate(*args, type_spec: ::Dry::Schema::Undefined, **opts) ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 32 def evaluate(*args, type_spec: ::Dry::Schema::Undefined, **opts) predicates = opts.empty? ? args : args.push(opts) evaluate_predicates(predicates).each do |rule| append(rule) end self end |
#evaluate_predicates(predicates) ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 42 def evaluate_predicates(predicates) predicates.flat_map do |predicate| if predicate.respond_to?(:call) predicate elsif predicate.is_a?(::Array) predicate.map { |pred| evaluate_predicates(pred).reduce(:&) }.reduce(:|) elsif predicate.is_a?(::Hash) predicate.map { |pred, *args| __send__(pred, *args) } else __send__(predicate) end end end |
#to_ast ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 75 def to_ast reduced_rule.to_ast end |
#to_rule(name = nil) ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/dry/schema/trace.rb', line 64 def to_rule(name = nil) return if captures.empty? if name compiler.visit([:key, [name, to_ast]]) else reduced_rule end end |