Class: DAP::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/dap/base.rb

Direct Known Subclasses

AttachRequestArguments, Breakpoint, BreakpointEventBody, BreakpointLocation, BreakpointLocationsArguments, BreakpointLocationsResponseBody, CancelArguments, Capabilities, CapabilitiesEventBody, Checksum, ColumnDescriptor, CompletionItem, CompletionsArguments, CompletionsResponseBody, ContinueArguments, ContinueResponseBody, ContinuedEventBody, DataBreakpoint, DataBreakpointInfoArguments, DataBreakpointInfoResponseBody, DisassembleArguments, DisassembleResponseBody, DisassembledInstruction, DisconnectArguments, ErrorResponseBody, EvaluateArguments, EvaluateResponseBody, ExceptionBreakpointsFilter, ExceptionDetails, ExceptionInfoArguments, ExceptionInfoResponseBody, ExceptionOptions, ExceptionPathSegment, ExitedEventBody, FunctionBreakpoint, GotoArguments, GotoTarget, GotoTargetsArguments, GotoTargetsResponseBody, InitializeRequestArguments, InstructionBreakpoint, InvalidatedEventBody, LaunchRequestArguments, LoadedSourceEventBody, LoadedSourcesResponseBody, Message, Module, ModuleEventBody, ModulesArguments, ModulesResponseBody, NextArguments, OutputEventBody, PauseArguments, ProcessEventBody, ProgressEndEventBody, ProgressStartEventBody, ProgressUpdateEventBody, ProtocolMessage, ReadMemoryArguments, ReadMemoryResponseBody, RestartFrameArguments, ReverseContinueArguments, RunInTerminalRequestArguments, RunInTerminalResponseBody, Scope, ScopesArguments, ScopesResponseBody, SetBreakpointsArguments, SetBreakpointsResponseBody, SetDataBreakpointsArguments, SetDataBreakpointsResponseBody, SetExceptionBreakpointsArguments, SetExpressionArguments, SetExpressionResponseBody, SetFunctionBreakpointsArguments, SetFunctionBreakpointsResponseBody, SetInstructionBreakpointsArguments, SetInstructionBreakpointsResponseBody, SetVariableArguments, SetVariableResponseBody, Source, SourceArguments, SourceBreakpoint, SourceResponseBody, StackFrame, StackTraceArguments, StackTraceResponseBody, StepBackArguments, StepInArguments, StepInTarget, StepInTargetsArguments, StepInTargetsResponseBody, StepOutArguments, StoppedEventBody, TerminateArguments, TerminateThreadsArguments, TerminatedEventBody, Thread, ThreadEventBody, ThreadsResponseBody, ValueFormat, Variable, VariablePresentationHint, VariablesArguments, VariablesResponseBody

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(values) ⇒ Base

Returns a new instance of Base.



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# File 'lib/dap/base.rb', line 90

def initialize(values)
  values.transform_keys!(&:to_sym)

  self.class.property_names.each do |k|
    v = values[k]

    transform = self.class.transform(k)
    v = transform.call(v, values) if transform

    self[k] = v
  end
end

Class Method Details

.build(values, &block) ⇒ Object 



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# File 'lib/dap/base.rb', line 2

def self.build(values, &block)
  values.transform_keys! &:to_sym if values.is_a? Hash

  if block.arity == 0
    klazz = yield
  else
    klazz = yield(values)
  end

  return values if values.is_a? klazz

  return klazz.from(values) if klazz < DAP::Enum

  klazz.new(values)
end

.empty ⇒ Object 



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# File 'lib/dap/base.rb', line 26

def self.empty
  Class.new(DAP::Base)
end

.many(klazz) ⇒ Object 



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# File 'lib/dap/base.rb', line 18

def self.many(klazz)
  DAP::Relation::Many.new(klazz)
end

.one_of(choices) ⇒ Object 



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# File 'lib/dap/base.rb', line 22

def self.one_of(choices)
  DAP::Relation::OneOf.new(choices)
end

.properties ⇒ Object 



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# File 'lib/dap/base.rb', line 73

def self.properties
  @properties ||= []
  return @properties if self == DAP::Base

  superclass.properties + @properties
end

.property(*names, as: nil, required: true) ⇒ Object 



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# File 'lib/dap/base.rb', line 30

def self.property(*names, as: nil, required: true)
  @properties ||= []
  @transformations ||= {}

  klazz = name

  names.each do |name|
    if as.is_a?(Class)
      DAP::Relation.supported!(as)

      transform = ->(value, values, invert: false) { value.nil? ? nil : invert ? value.to_wire : build(value || {}) { as } }

    elsif as.is_a? DAP::Relation::Many
      transform = ->(value, values, invert: false) { value.nil? ? nil : invert ? value.map(&:to_wire) : value.map { |v| build(v) { as.klazz } } }

    elsif as.is_a? DAP::Relation::OneOf
      transform = ->(value, values, invert: false) do
        return value.to_wire if invert

        build(value || {}) do
          key = values[as.key]&.to_sym
          raise "#{klazz}.#{as.key} missing" if key.nil?
          raise "Unknown #{klazz}.#{as.key}: '#{key}'" unless as.types.key?(key)

          as.types[key]
        end
      end

    elsif !as.nil?
      raise "Invalid property constraint: #{as.class} #{as.inspect}"
    end

    @properties << {
      name: name,
      transform: transform,
      required: required
    }
  end


  attr_reader(*names)
end

.property_names ⇒ Object 



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# File 'lib/dap/base.rb', line 80

def self.property_names
  properties.map { |p| p[:name] }
end

.transform(name) ⇒ Object 



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# File 'lib/dap/base.rb', line 84

def self.transform(name)
  (@properties || []).each { |p| return p[:transform] if p[:name] == name && p[:transform] }

  return superclass.transform(name) unless self == DAP::Base
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/dap/base.rb', line 134

def [](key)
  key = key.to_sym
  instance_variable_get("@#{key}".to_sym) if self.class.property_names.include? key
end

#to_wire ⇒ Object 



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# File 'lib/dap/base.rb', line 122

def to_wire
  self.class.property_names.each_with_object({}) do |k, h|
    v = self[k]
    next if v.nil?

    transform = self.class.transform(k)
    v = transform.call(v, self, invert: true) if transform

    h[k] = v
  end
end

#validate! ⇒ Object 



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# File 'lib/dap/base.rb', line 103

def validate!
  self.class.properties.each do |p|
    key, required = p[:name], p[:required]
    value = self[key]
    if value.nil?
      raise "Property #{key} of #{self.class} is required" if required
      next
    end

    if value.respond_to?(:validate!)
      value.validate!
    elsif value.respond_to?(:each)
      value.each { |v| v.validate! if v.respond_to?(:validate!) }
    end
  end

  self
end