f9aba615af
This is a breaking API change.
You probably have code that looks like
if emoji = Emoji.find_by_alias($1) { nil }
that you can change to
if emoji = Emoji.find_by_alias($1)
90 lines
2.2 KiB
Ruby
90 lines
2.2 KiB
Ruby
require 'emoji/character'
|
|
require 'json'
|
|
|
|
module Emoji
|
|
extend self
|
|
|
|
def data_file
|
|
File.expand_path('../../db/emoji.json', __FILE__)
|
|
end
|
|
|
|
def images_path
|
|
File.expand_path("../../images", __FILE__)
|
|
end
|
|
|
|
def all
|
|
return @all if defined? @all
|
|
@all = []
|
|
parse_data_file
|
|
@all
|
|
end
|
|
|
|
# Public: Initialize an Emoji::Character instance and yield it to the block.
|
|
# The character is added to the `Emoji.all` set.
|
|
def create(name)
|
|
emoji = Emoji::Character.new(name)
|
|
self.all << edit_emoji(emoji) { yield emoji if block_given? }
|
|
emoji
|
|
end
|
|
|
|
# Public: Yield an emoji to the block and update the indices in case its
|
|
# aliases or unicode_aliases lists changed.
|
|
def edit_emoji(emoji)
|
|
@names_index ||= Hash.new
|
|
@unicodes_index ||= Hash.new
|
|
|
|
yield emoji
|
|
|
|
emoji.aliases.each do |name|
|
|
@names_index[name] = emoji
|
|
end
|
|
emoji.unicode_aliases.each do |unicode|
|
|
@unicodes_index[unicode] = emoji
|
|
end
|
|
|
|
emoji
|
|
end
|
|
|
|
# Public: Find an emoji by its aliased name. Return nil if missing.
|
|
def find_by_alias(name)
|
|
names_index[name]
|
|
end
|
|
|
|
# Public: Find an emoji by its unicode character. Return nil if missing.
|
|
def find_by_unicode(unicode)
|
|
unicodes_index[unicode]
|
|
end
|
|
|
|
private
|
|
VARIATION_SELECTOR_16 = "\u{fe0f}".freeze
|
|
|
|
def parse_data_file
|
|
raw = File.open(data_file, 'r:UTF-8') { |data| JSON.parse(data.read) }
|
|
raw.each do |raw_emoji|
|
|
self.create(nil) do |emoji|
|
|
raw_emoji.fetch('aliases').each { |name| emoji.add_alias(name) }
|
|
unicodes = Array(raw_emoji['emoji']) + raw_emoji.fetch('unicodes', [])
|
|
unicodes.each { |uni|
|
|
emoji.add_unicode_alias(uni)
|
|
# Automatically add a representation of this emoji without the variation
|
|
# selector to unicode aliases:
|
|
if uni.index(VARIATION_SELECTOR_16)
|
|
emoji.add_unicode_alias(uni.sub(VARIATION_SELECTOR_16, ''))
|
|
end
|
|
}
|
|
raw_emoji.fetch('tags').each { |tag| emoji.add_tag(tag) }
|
|
end
|
|
end
|
|
end
|
|
|
|
def names_index
|
|
all unless defined? @all
|
|
@names_index
|
|
end
|
|
|
|
def unicodes_index
|
|
all unless defined? @all
|
|
@unicodes_index
|
|
end
|
|
end
|