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module Chronic
class Token
# @return [String] The word this Token represents
attr_accessor :word
# @return [Array] A list of tag associated with this Token
attr_accessor :tags
def initialize(word)
@word = word
@tags = []
end
# Tag this token with the specified tag
#
# @param [Tag] new_tag An instance of {Tag} or one of its subclasses
def tag(new_tag)
@tags << new_tag
end
# Remove all tags of the given class
#
# @param [Class] The tag class to remove
def untag(tag_class)
@tags.delete_if { |m| m.kind_of? tag_class }
end
# @return [Boolean] true if this token has any tags
def tagged?
@tags.size > 0
end
# @param [Class] tag_class The tag class to search for
# @return [Tag] The first Tag that matches the given class
def get_tag(tag_class)
@tags.find { |m| m.kind_of? tag_class }
end
# Print this Token in a pretty way
def to_s
@word << '(' << @tags.join(', ') << ') '
end
end
end
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