Class: Paru::PandocFilter::MetaMap

Inherits:
Node
  • Object
show all
Includes:
Enumerable
Defined in:
lib/paru/filter/meta_map.rb

Overview

A MetaMap Node is a map of String keys with MetaValue values

Direct Known Subclasses

Meta

Instance Attribute Summary

Attributes inherited from Node

#children, #parent

Instance Method Summary collapse

Methods inherited from Node

#ast_type, #can_act_as_both_block_and_inline?, from_markdown, #get_replacement, #has_been_replaced?, #has_block?, #has_children?, #has_class?, #has_inline?, #has_parent?, #has_string?, #is_block?, #is_inline?, #is_leaf?, #is_node?, #is_root?, #markdown, #markdown=, #toMetadata, #to_ast, #to_s, #type

Methods included from ASTManipulation

#append, #delete, #each_depth_first, #find_index, #get, #insert, #prepend, #remove_at, #replace, #replace_at

Constructor Details

#initialize(contents = {}) ⇒ MetaMap

Create a new MetaMap based on the contents

Parameters:

  • contents (Hash = {}) (defaults to: {}) —

    a list of key-value pairs, defaults to an empty hash



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# File 'lib/paru/filter/meta_map.rb', line 35

def initialize(contents = {})
  @children = {}

  return unless contents.is_a? Hash

  contents.each_pair do |key, value|
    if !value.empty? && PandocFilter.const_defined?(value['t'])
      @children[key] = PandocFilter.const_get(value['t']).new value['c']
    end
  end
end

Instance Method Details

#[](key) ⇒ MetaValue

Get the value belonging to key.

Parameters:

  • key (String) —

    the key

Returns:

  • (MetaValue) —

    the value belonging to the key



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# File 'lib/paru/filter/meta_map.rb', line 52

def [](key)
  @children[key]
end

#[]=(key, value) ⇒ Object

Set a value with a key.

Parameters:



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# File 'lib/paru/filter/meta_map.rb', line 60

def []=(key, value)
  @children[key] = value
end

#ast_contents ⇒ Object

The AST contents



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# File 'lib/paru/filter/meta_map.rb', line 70

def ast_contents
  ast = {}
  if @children.is_a? Hash
    @children.each_pair do |key, value|
      ast[key] = value.to_ast
    end
  end
  ast
end

#each(&block) ⇒ Object

Execute block for each key-value pair



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# File 'lib/paru/filter/meta_map.rb', line 65

def each(&block)
  @children.each(&block)
end