module Card::Content::Chunk
A chunk is a pattern of text that can be protected and interrogated by a format. Each Chunk
class has a pattern
that states what sort of text it matches. Chunks are initalized by passing in the result of a match by its pattern.
A chunk is a pattern of text that can be protected and interrogated by a format. Each Chunk
class has a pattern
that states what sort of text it matches. Chunks are initalized by passing in the result of a match by its pattern.
Public Class Methods
build_prefix_regexp(chunk_list_key)
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# File lib/card/content/chunk.rb, line 63 def build_prefix_regexp chunk_list_key validate_chunk_list_key chunk_list_key prefix_res = raw_list[chunk_list_key].map do |chunkname| chunk_class = const_get chunkname chunk_class.config[:prefix_re] end /(?:#{prefix_res * '|'})/m end
find_class_by_prefix(prefix, chunk_list_key=:default)
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# File lib/card/content/chunk.rb, line 45 def find_class_by_prefix prefix, chunk_list_key=:default validate_chunk_list_key chunk_list_key prefix_map = prefix_map_by_list[chunk_list_key] config = prefix_map[prefix[0, 1]] || prefix_map[prefix[-1, 1]] || prefix_map[:default] # prefix identified by first character, last character, or default. # a little ugly... config[:class] end
prefix_regexp(chunk_list_key)
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# File lib/card/content/chunk.rb, line 58 def prefix_regexp chunk_list_key prefix_regexp_by_list[chunk_list_key] ||= build_prefix_regexp chunk_list_key end
register_class(klass, hash)
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# File lib/card/content/chunk.rb, line 21 def register_class klass, hash klass.config = hash.merge class: klass prefix_index = hash[:idx_char] || :default # ^ this is gross and needs to be moved out. klassname = klass.name.split("::").last.to_sym prefix_map_by_chunkname[klassname] = { prefix_index => klass.config } raw_list.each do |key, list| next unless list.include? klassname prefix_map_by_list[key].merge! prefix_map_by_chunkname[klassname] end end
register_list(key, list)
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# File lib/card/content/chunk.rb, line 35 def register_list key, list raw_list[key] = list prefix_map_by_list[key] = list.each_with_object({}) do |chunkname, h| next unless (p_map = prefix_map_by_chunkname[chunkname]) h.merge! p_map end end
validate_chunk_list_key(chunk_list_key)
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# File lib/card/content/chunk.rb, line 74 def validate_chunk_list_key chunk_list_key unless raw_list.key? chunk_list_key raise ArgumentError, "invalid chunk list key: #{chunk_list_key}" end end