module Emoji
Constants
- VERSION
Public Class Methods
alt_tag_for_moji(moji)
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# File lib/emoji.rb, line 114 def self.alt_tag_for_moji(moji) return moji unless use_plaintext_alt_tags emoji = index.find_by_moji(moji) emoji['name'] end
asset_host()
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# File lib/emoji.rb, line 22 def self.asset_host @asset_host || 'http://localhost:3000' end
asset_host=(asset_host)
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# File lib/emoji.rb, line 26 def self.asset_host=(asset_host) @asset_host = parse_and_validate_asset_host(asset_host) end
asset_host_for_asset(asset_path)
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# File lib/emoji.rb, line 97 def self.asset_host_for_asset(asset_path) return asset_host if asset_host.kind_of?(String) asset_host.call(asset_path) end
asset_path()
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# File lib/emoji.rb, line 81 def self.asset_path @asset_path || '/' end
asset_path=(path)
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# File lib/emoji.rb, line 85 def self.asset_path=(path) @asset_path = path end
escape_html(string)
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# File lib/emoji.rb, line 177 def self.escape_html(string) @escaper.escape_html(string) end
extract_port_string(uri)
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# File lib/emoji.rb, line 73 def self.extract_port_string(uri) return nil unless uri.port return nil if uri.port == 80 && uri.scheme == 'http' return nil if uri.port == 443 && uri.scheme == 'https' return ":#{uri.port}" end
extract_uri_scheme_string(asset_host_spec, uri)
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# File lib/emoji.rb, line 61 def self.extract_uri_scheme_string(asset_host_spec, uri) # Special Case for Protocol Relative Scheme: //hostname.com/ if asset_host_spec.size >= 2 && asset_host_spec[0..1] == '//' return '//' end # Extract Protocol from asset_host_spec URI or default to HTTP scheme = uri.scheme || 'http' "#{ scheme }://" end
image_url_for_name(name)
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# File lib/emoji.rb, line 103 def self.image_url_for_name(name) path = "#{ File.join(asset_path, name) }.png" host = asset_host_for_asset(path) "#{host}#{path}" end
image_url_for_unicode_moji(moji)
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# File lib/emoji.rb, line 109 def self.image_url_for_unicode_moji(moji) emoji = index.find_by_moji(moji) image_url_for_name(emoji['name']) end
index()
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# File lib/emoji.rb, line 181 def self.index @index ||= Index.new end
parse_and_validate_asset_host(asset_host_spec)
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# File lib/emoji.rb, line 30 def self.parse_and_validate_asset_host(asset_host_spec) return '' unless asset_host_spec return asset_host_spec if asset_host_spec.respond_to?(:call) unless asset_host_spec.kind_of?(String) raise 'Invalid Emoji.asset_host, should be a hostname or URL prefix' end return '' unless asset_host_spec.size >= 1 # Special Case for 'hostname:port' style URIs, not parse properly by URI.parse if asset_host_spec.match(/^[^:\/]+:\d+$/) components = asset_host_spec.split(':') scheme_string = 'http://' hostname = components.first port_string = ":#{components.last}" else uri = parse_asset_host_uri(asset_host_spec) scheme_string = extract_uri_scheme_string(asset_host_spec, uri) hostname = uri.hostname || uri.path port_string = extract_port_string(uri) end "#{ scheme_string }#{ hostname }#{ port_string }" end
parse_asset_host_uri(asset_host_spec)
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# File lib/emoji.rb, line 54 def self.parse_asset_host_uri(asset_host_spec) URI.parse(asset_host_spec) rescue URI::InvalidURIError raise 'Invalid Emoji.asset_host, should be a hostname or URL prefix' end
replace_named_moji_with_unicode(string)
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# File lib/emoji.rb, line 135 def self.replace_named_moji_with_unicode(string) return string unless string unless string.match(index.named_moji_regex) return safe_string(string) end safe_string = safe_string(string.dup) safe_string.gsub!(index.named_moji_regex) do |name_exp| name = name_exp[1..-2] # Convert :heart: to heart, strips first/last chars emoji = index.find_by_name(name) emoji['moji'] end safe_string = safe_string.html_safe if safe_string.respond_to?(:html_safe) safe_string end
replace_unicode_moji_with_images(string)
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# File lib/emoji.rb, line 120 def self.replace_unicode_moji_with_images(string) return string unless string unless string.match(index.unicode_moji_regex) return safe_string(string) end safe_string = safe_string(string.dup) safe_string.gsub!(index.unicode_moji_regex) do |moji| %Q{<img alt="#{alt_tag_for_moji(moji)}" class="emoji" src="#{ image_url_for_unicode_moji(moji) }">} end safe_string = safe_string.html_safe if safe_string.respond_to?(:html_safe) safe_string end
replace_unicode_moji_with_name(string)
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# File lib/emoji.rb, line 153 def self.replace_unicode_moji_with_name(string) return string unless string unless string.match(index.unicode_moji_regex) return safe_string(string) end safe_string = safe_string(string.dup) safe_string.gsub!(index.unicode_moji_regex) do |moji| emoji = index.find_by_moji(moji) ":#{emoji['name']}:" end safe_string = safe_string.html_safe if safe_string.respond_to?(:html_safe) safe_string end
safe_string(string)
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# File lib/emoji.rb, line 169 def self.safe_string(string) if string.respond_to?(:html_safe?) && string.html_safe? string else escape_html(string) end end