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Versions: 8
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Stored size: 1.51 KB
Contents
module OasParser
class Pointer
def initialize(raw_pointer)
@raw_pointer = raw_pointer
end
def resolve(document)
return document if escaped_pointer == ""
tokens.reduce(document) do |nested_doc, token|
nested_doc.fetch(token)
end
end
# Detect circular reference by checking whether the ref exists in current path.
#
# Example:
# components:
# schemas:
# Pet:
# type: object
# properties:
# name:
# type: string
# children:
# type: array
# items: # <--- parsing here
# - $ref: '#/components/schemas/Pet'
#
# path: "/components/schemas/Pet/properties/children/items"
# raw_pointer: "#/components/schemas/Pet"
#
# It'd return true when we're parsing the pet children items where the ref points back to itself.
def circular_reference?(path)
path.include?("#{escaped_pointer}/")
end
def escaped_pointer
if @raw_pointer.start_with?("#")
Addressable::URI.unencode(@raw_pointer[1..-1])
else
@raw_pointer
end
end
private
def parse_token(token)
if token =~ /\A\d+\z/
token.to_i
else
token.gsub("~0", "~").gsub("~1", "/")
end
end
def tokens
tokens = escaped_pointer[1..-1].split("/")
if @raw_pointer.end_with?("/")
tokens << ""
end
tokens.map do |token|
parse_token(token)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems