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Contents
module Twitter
# A module provides base methods to rewrite usernames, lists, hashtags and URLs.
module Rewriter extend self
def rewrite_entities(text, entities)
chars = text.to_s.to_char_a
# sort by start index
entities = entities.sort_by{|entity| entity[:indices].first}
result = []
last_index = entities.inject(0) do |last_index, entity|
result << chars[last_index...entity[:indices].first]
result << yield(entity, chars)
entity[:indices].last
end
result << chars[last_index..-1]
result.flatten.join
end
# These methods are deprecated, will be removed in future.
extend Deprecation
def rewrite(text, options = {})
[:hashtags, :urls, :usernames_or_lists].inject(text) do |key|
options[key] ? send(:"rewrite_#{key}", text, &options[key]) : text
end
end
deprecate :rewrite, :rewrite_entities
def rewrite_usernames_or_lists(text)
entities = Extractor.extract_mentions_or_lists_with_indices(text)
rewrite_entities(text, entities) do |entity, chars|
at = chars[entity[:indices].first]
list_slug = entity[:list_slug]
list_slug = nil if list_slug.empty?
yield(at, entity[:screen_name], list_slug)
end
end
deprecate :rewrite_usernames_or_lists, :rewrite_entities
def rewrite_hashtags(text)
entities = Extractor.extract_hashtags_with_indices(text)
rewrite_entities(text, entities) do |entity, chars|
hash = chars[entity[:indices].first]
yield(hash, entity[:hashtag])
end
end
deprecate :rewrite_hashtags, :rewrite_entities
def rewrite_urls(text)
entities = Extractor.extract_urls_with_indices(text, :extract_url_without_protocol => false)
rewrite_entities(text, entities) do |entity, chars|
yield(entity[:url])
end
end
deprecate :rewrite_urls, :rewrite_entities
end
end
Version data entries
20 entries across 20 versions & 4 rubygems