Class: Prosereflect::Schema::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/prosereflect/schema/node.rb

Overview

Lightweight Node class for schema validation This wraps the existing prosereflect Node and provides schema-aware methods

Direct Known Subclasses

TextNode

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type:, attrs: {}, content: nil, marks: []) ⇒ Node

Returns a new instance of Node.



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# File 'lib/prosereflect/schema/node.rb', line 10

def initialize(type:, attrs: {}, content: nil, marks: [])
  @type = type
  @attrs = attrs || {}
  @content = if content.is_a?(Fragment)
               content
             else
               (content ? Fragment.new(content) : Fragment.empty)
             end
  @marks = if marks.is_a?(Array)
             marks
           else
             (marks ? [marks] : [])
           end
end

Instance Attribute Details

#attrs ⇒ Object (readonly)

Returns the value of attribute attrs.



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# File 'lib/prosereflect/schema/node.rb', line 8

def attrs
  @attrs
end

#content ⇒ Object (readonly)

Returns the value of attribute content.



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# File 'lib/prosereflect/schema/node.rb', line 8

def content
  @content
end

#marks ⇒ Object (readonly)

Returns the value of attribute marks.



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# File 'lib/prosereflect/schema/node.rb', line 8

def marks
  @marks
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/prosereflect/schema/node.rb', line 8

def type
  @type
end

Class Method Details

.from_json(schema, json) ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 166

def from_json(schema, json)
  type_name = json["type"]
  type = schema.node_type(type_name)

  attrs = json["attrs"] || {}
  content_data = json["content"]

  marks = if json["marks"].is_a?(Array)
            json["marks"].map { |m| schema.mark_from_json(m) }
          else
            []
          end

  # Handle text nodes specially
  if type.text?
    text = json["text"] || ""
    TextNode.new(type: type, attrs: attrs, text: text, marks: marks)
  else
    content = if content_data.is_a?(Array)
                content_data.map { |c| from_json(schema, c) }
              else
                []
              end
    Node.new(type: type, attrs: attrs, content: Fragment.new(content),
             marks: marks)
  end
end

Instance Method Details

#cut(from = 0, to = nil) ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 69

def cut(from = 0, to = nil)
  to ||= node_size
  return self if from.zero? && to == node_size

  if text?
    # For text nodes, cut by character offset
    TextNode.new(
      type: @type,
      attrs: @attrs,
      text: @attrs[:text][from...to],
      marks: @marks,
    )
  else
    # For non-text nodes, cut content
    new_content = @content.cut(from - 1, to - 1)
    Node.new(type: @type, attrs: @attrs, content: new_content,
             marks: @marks)
  end
end

#descendants(f) ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 122

def descendants(f)
  nodes_between(0, node_size, f)
end

#eq?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prosereflect/schema/node.rb', line 126

def eq?(other)
  return false unless other.is_a?(Node)
  return false unless @type == other.type

  @attrs == other.attrs && @content.eq?(other.content) && same_marks?(other)
end

#is_atom ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 53

def is_atom
  @type.is_atom?
end

#is_block ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 41

def is_block
  @type.is_block?
end

#is_inline ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 45

def is_inline
  @type.is_inline?
end

#is_leaf ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 49

def is_leaf
  @type.is_leaf?
end

#is_text ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 37

def is_text
  text?
end

#node_size ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 25

def node_size
  size = 1 # Every node has at least size 1
  @content.content.each do |child|
    size += child.node_size
  end
  size
end

#nodes_between(from, to, f, node_start = 0) ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 89

def nodes_between(from, to, f, node_start = 0)
  return unless to > from

  if text?
    f.call(self, node_start)
    return
  end

  pos = 0
  i = 0

  while pos < to && i < @content.content.length
    child = @content.content[i]
    end_pos = pos + child.node_size

    if end_pos > from
      child_start = node_start + pos + 1
      if f.call(child, child_start,
                i) != false && child.content.size.positive?
        child.nodes_between(
          [0, from - pos].max,
          [child.content.size, to - pos].min,
          f,
          child_start,
        )
      end
    end

    pos = end_pos
    i += 1
  end
end

#same_marks?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prosereflect/schema/node.rb', line 133

def same_marks?(other)
  return true if @marks.nil? && other.marks.nil?
  return false if @marks.nil? || other.marks.nil?
  return false unless @marks.length == other.marks.length

  @marks.each_with_index.all? do |m, i|
    m.type == other.marks[i].type && m.attrs == other.marks[i].attrs
  end
end

#same_markup?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prosereflect/schema/node.rb', line 57

def same_markup?(other)
  return false unless @type == other.type && @marks.length == other.marks.length

  @marks.zip(other.marks).all? do |m1, m2|
    m1.type == m2.type && m1.attrs == m2.attrs
  end
end

#text? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prosereflect/schema/node.rb', line 33

def text?
  @type.text?
end

#to_h ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 143

def to_h
  result = { "type" => @type.name }

  if @attrs && !@attrs.empty?
    result["attrs"] = @attrs
  end

  if @marks && !@marks.empty?
    result["marks"] = @marks.map(&:to_h)
  end

  if @content && !@content.empty?
    result["content"] = @content.content.map(&:to_h)
  end

  result
end

#to_s ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 161

def to_s
  "<Node #{@type.name}>"
end

#with_text(new_text) ⇒ Object 



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# File 'lib/prosereflect/schema/node.rb', line 65

def with_text(new_text)
  TextNode.new(type: @type, attrs: @attrs, text: new_text, marks: @marks)
end