Minor performance improvements and cleanup in formatter (#10765)

This commit is contained in:
ThibG 2019-05-15 06:54:06 +02:00 committed by Eugen Rochko
parent 9e95af3391
commit ee17d81b8a

View file

@ -187,7 +187,7 @@ class Formatter
end
def rewrite(text, entities)
chars = text.to_s.to_char_a
text = text.to_s
# Sort by start index
entities = entities.sort_by do |entity|
@ -199,12 +199,12 @@ class Formatter
last_index = entities.reduce(0) do |index, entity|
indices = entity.respond_to?(:indices) ? entity.indices : entity[:indices]
result << encode(chars[index...indices.first].join)
result << encode(text[index...indices.first])
result << yield(entity)
indices.last
end
result << encode(chars[last_index..-1].join)
result << encode(text[last_index..-1])
result.flatten.join
end
@ -231,23 +231,14 @@ class Formatter
# Note: I couldn't obtain list_slug with @user/list-name format
# for mention so this requires additional check
special = Extractor.extract_urls_with_indices(escaped, options).map do |extract|
# exactly one of :url, :hashtag, :screen_name, :cashtag keys is present
key = (extract.keys & [:url, :hashtag, :screen_name, :cashtag]).first
new_indices = [
old_to_new_index.find_index(extract[:indices].first),
old_to_new_index.find_index(extract[:indices].last),
]
has_prefix_char = [:hashtag, :screen_name, :cashtag].include?(key)
value_indices = [
new_indices.first + (has_prefix_char ? 1 : 0), # account for #, @ or $
new_indices.last - 1,
]
next extract.merge(
:indices => new_indices,
key => text[value_indices.first..value_indices.last]
indices: new_indices,
url: text[new_indices.first..new_indices.last - 1]
)
end