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module FHIR
class Tag
# Each Tag is part of an HTTP header named "Category" with three parts: term, scheme, and label.
# Each Tag can be in an individual "Category" header, or they can all be concatentated (with comma
# separation) inside a single "Category" header.
# Term is a URI:
# General tags:
# Bundle / FHIR Documents: "http://hl7.org/fhir/tag/document"
# Bundle / FHIR Messages: "http://hl7.org/fhir/tag/message"
# Profile tags: URL that references a profile resource.
attr_accessor :term
# Scheme is a URI:
# "http://hl7.org/fhir/tag" A general tag
# "http://hl7.org/fhir/tag/profile" A profile tag - a claim that the Resource conforms to the profile identified in the term
# "http://hl7.org/fhir/tag/security" A security label
attr_accessor :scheme
# Label is an OPTIONAL human-readable label for the tag for use when displaying in end-user applications
attr_accessor :label
def to_header
s = "#{term}; scheme=#{scheme}"
s += "; label=#{label}" unless label.nil?
s
end
# Parses a string named "header" and returns a Tag object.
def self.parse_tag(header)
h = FHIR::Tag.new
regex = /\s*;\s*/
tokens = header.strip.split(regex)
h.term = tokens.shift
tokens.each do |token|
if !token.strip.index('scheme').nil?
token.strip =~ %r{(?<=scheme)(\s*)=(\s*)([\".:_\-\/\w]+)}
h.scheme = Regexp.last_match(3)
elsif !token.strip.index('label').nil?
token.strip =~ %r{(?<=label)(\s*)=(\s*)([\".:_\-\/\w\s]+)}
h.label = Regexp.last_match(3)
end
end
h
end
# Parses a string named "header" and returns an Array of Tag objects.
def self.parse_tags(header)
tags = []
regex = /\s*,\s*/
tokens = header.strip.split(regex)
tokens.each { |token| tags << FHIR::Tag.parse_tag(token) }
tags
end
end
end
Version data entries
27 entries across 27 versions & 1 rubygems