Class: DrySchemaExtend::SchemaInfoCompiler

Inherits:
Object
  • Object
show all
Defined in:
lib/zleb/plugins/schema_compiler.rb

Constant Summary collapse

EMPTY_HASH = 
{}
PREDICATE_TO_TYPE = 
{
  array?: "array",
  bool?: "bool",
  date?: "date",
  date_time?: "date_time",
  decimal?: "decimal",
  float?: "float",
  hash?: "hash",
  int?: "integer",
  nil?: "nil",
  str?: "string",
  time?: "time",
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(schema) ⇒ SchemaInfoCompiler

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 SchemaInfoCompiler.



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# File 'lib/zleb/plugins/schema_compiler.rb', line 29

def initialize(schema)
  @keys = EMPTY_HASH.dup
  @schema = schema
end

Instance Attribute Details

#keys ⇒ 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/zleb/plugins/schema_compiler.rb', line 26

def keys
  @keys
end

Instance Method Details

#call ⇒ 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/zleb/plugins/schema_compiler.rb', line 40

def call
  visit(@schema.to_ast)
end

#predicate_message(key, name, rest) ⇒ Object 



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# File 'lib/zleb/plugins/schema_compiler.rb', line 146

def predicate_message(key, name, rest)
  result = nil
  if rest.count == 2
    param_name = rest[0][0]
    param_value = rest[0][1]
    
    result = @schema.message_compiler.messages.get_message_for_key(name,{:path=> key, :arg_type => param_value.class})
    if param_value.class == Range
      result = result[:text].gsub("%{#{param_name}_left}", param_value.first.to_s).gsub("%{#{param_name}_right}", param_value.last.to_s)
    else
      result = result[:text].gsub("%{#{param_name}}", param_value.to_s)
    end
  else
    result = @schema.message_compiler.messages.get_message_for_key(name,{:path=> key})
    result = result[:text]
  end
  result
end

#to_h ⇒ 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/zleb/plugins/schema_compiler.rb', line 35

def to_h
  { children: @keys, type: "hash" }
end

#visit(node, opts = EMPTY_HASH) ⇒ 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/zleb/plugins/schema_compiler.rb', line 45

def visit(node, opts = EMPTY_HASH)
  meth, rest = node
  public_send(:"visit_#{meth}", rest, opts)
end

#visit_and(node, opts = EMPTY_HASH) ⇒ 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/zleb/plugins/schema_compiler.rb', line 65

def visit_and(node, opts = EMPTY_HASH)
  left, right = node
  
  visit(left, opts)
  visit(right, opts)
end

#visit_each(node, opts = EMPTY_HASH) ⇒ 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/zleb/plugins/schema_compiler.rb', line 90

def visit_each(node, opts = EMPTY_HASH)
  visit(node, opts.merge(member: true))
end

#visit_implication(node, opts = EMPTY_HASH) ⇒ 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/zleb/plugins/schema_compiler.rb', line 73

def visit_implication(node, opts = EMPTY_HASH)
  node.each do |el|
    # p "--------------"
    # p el
    if el[0] == :predicate and el[1][0] == :key?
      visit(el, opts.merge(required: false))
    else
      visit(el, opts)
    end
  end
end

#visit_key(node, opts = EMPTY_HASH) ⇒ 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/zleb/plugins/schema_compiler.rb', line 95

def visit_key(node, opts = EMPTY_HASH)
  
  name, rest = node
  # puts "visit_key is ### #{name}"
  visit(rest, opts.merge(key: name, required: true, member: false)) # modified by zhanghz
end

#visit_not(node, opts = EMPTY_HASH) ⇒ Object 



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# File 'lib/zleb/plugins/schema_compiler.rb', line 85

def visit_not(node, opts= EMPTY_HASH)
  visit(node, opts.merge(not: true))
end

#visit_predicate(node, opts = EMPTY_HASH) ⇒ 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/zleb/plugins/schema_compiler.rb', line 103

def visit_predicate(node, opts = EMPTY_HASH)
  name, rest = node
  
  key = opts[:key]
  
  if name.equal?(:key?)
    # p "---key is #{rest[0][1]} #{opts}"
    keys[rest[0][1]] = { required: opts.fetch(:required, true) }
  else
    type = PREDICATE_TO_TYPE[name]
    # p opts
    # p "rest predicate key is #{key} content is #{name}| #{rest}"

    # modified by zhanghz
    if opts[:member] == true
      keys[key][:member] ||= {}
      if type
        if type == 'nil' and opts[:not] == true
          keys[key][:member][:maybe] = type
        else
          keys[key][:member][:type] = type
        end
        keys[key][:type] = "array"
      else
        keys[key][:member][:validations] = [] unless keys[key][:member][:validations]
        keys[key][:member][:validations] << predicate_message(key, name, rest)
      end

    else
      if type
        if type == 'nil' and opts[:not] == true
          keys[key][:maybe] = type
        else
          keys[key][:type] = type
        end
      else
        keys[key][:validations] = [] unless keys[key][:validations]
        keys[key][:validations] << predicate_message(key, name, rest)
      end
    end
  end
end

#visit_set(node, opts = EMPTY_HASH) ⇒ 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/zleb/plugins/schema_compiler.rb', line 51

def visit_set(node, opts = EMPTY_HASH)
  target = (key = opts[:key]) ? self.class.new(@schema) : self
  
  node.map { |child| target.visit(child, opts) }
  
  return unless key
  
  target_info = opts[:member] ? { member: target.to_h } : target.to_h
  type = opts[:member] ? "array" : "hash"
  
  keys.update(key => { **keys[key], type: type, **target_info })
end