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# frozen_string_literal: true
require "commonmarker/node/inspect"
module CommonMarker
class Node
include Enumerable
include Inspect
# Public: An iterator that "walks the tree," descending into children recursively.
#
# blk - A {Proc} representing the action to take for each child
def walk(&block)
return enum_for(:walk) unless block
yield self
each do |child|
child.walk(&block)
end
end
# Public: Convert the node to an HTML string.
#
# options - A {Symbol} or {Array of Symbol}s indicating the render options
# extensions - An {Array of Symbol}s indicating the extensions to use
#
# Returns a {String}.
def to_html(options = :DEFAULT, extensions = [])
opts = Config.process_options(options, :render)
_render_html(opts, extensions).force_encoding("utf-8")
end
# Public: Convert the node to an XML string.
#
# options - A {Symbol} or {Array of Symbol}s indicating the render options
#
# Returns a {String}.
def to_xml(options = :DEFAULT)
opts = Config.process_options(options, :render)
_render_xml(opts).force_encoding("utf-8")
end
# Public: Convert the node to a CommonMark string.
#
# options - A {Symbol} or {Array of Symbol}s indicating the render options
# width - Column to wrap the output at
#
# Returns a {String}.
def to_commonmark(options = :DEFAULT, width = 120)
opts = Config.process_options(options, :render)
_render_commonmark(opts, width).force_encoding("utf-8")
end
# Public: Convert the node to a plain text string.
#
# options - A {Symbol} or {Array of Symbol}s indicating the render options
# width - Column to wrap the output at
#
# Returns a {String}.
def to_plaintext(options = :DEFAULT, width = 120)
opts = Config.process_options(options, :render)
_render_plaintext(opts, width).force_encoding("utf-8")
end
# Public: Iterate over the children (if any) of the current pointer.
def each
return enum_for(:each) unless block_given?
child = first_child
while child
nextchild = child.next
yield child
child = nextchild
end
end
# Deprecated: Please use `each` instead
def each_child(&block)
warn("[DEPRECATION] `each_child` is deprecated. Please use `each` instead.")
each(&block)
end
end
end
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