method

dump

v1_9_3_125 - Show latest stable - 0 notes - Class: JSON

dump(obj, anIO = nil, limit = nil) public

Dumps obj as a JSON string, i.e. calls generate on the object and returns the result.

If anIO (an IO-like object or an object that responds to the write method) was given, the resulting JSON is written to it.

If the number of nested arrays or objects exceeds limit, an ArgumentError exception is raised. This argument is similar (but not exactly the same!) to the limit argument in Marshal.dump.

This method is part of the implementation of the load/dump interface of Marshal and YAML.

Show source

# File ext/json/lib/json/common.rb, line 336
  def dump(obj, anIO = nil, limit = nil)
    if anIO and limit.nil?
      anIO = anIO.to_io if anIO.respond_to?(:to_io)
      unless anIO.respond_to?(:write)
        limit = anIO
        anIO = nil
      end
    end
    limit ||= 0
    result = generate(obj, :allow_nan => true, :max_nesting => limit)
    if anIO
      anIO.write result
      anIO
    else
      result
    end
  rescue JSON::NestingError
    raise ArgumentError, "exceed depth limit"
  end

dump

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