Unfloyded/Legamunt
0
0
Fork 0
Code Activity

Improve performance by avoiding regex construction (#20215)

Browse source 
```ruby
10.times { p /#{FOO}/.object_id }
10.times { p FOO_RE.object_id }
```
This commit is contained in:
James Tucker 2022-11-09 20:49:30 -08:00 • committed by GitHub
parent 0cd0786aef
commit 78a6b871fe
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
8 changed files with 21 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

3
app/models/account.rb
View file

@ -64,6 +64,7 @@ class Account < ApplicationRecord
USERNAME_RE = /[a-z0-9_]+([a-z0-9_\.-]+[a-z0-9_]+)?/i
MENTION_RE = /(?<=^|[^\/[:word:]])@((#{USERNAME_RE})(?:@[[:word:]\.\-]+[[:word:]]+)?)/i
URL_PREFIX_RE = /\Ahttp(s?):\/\/[^\/]+/
USERNAME_ONLY_RE = /\A#{USERNAME_RE}\z/i
include Attachmentable
include AccountAssociations
@ -84,7 +85,7 @@ class Account < ApplicationRecord
validates_with UniqueUsernameValidator, if: -> { will_save_change_to_username? }
# Remote user validations
validates :username, format: { with: /\A#{USERNAME_RE}\z/i }, if: -> { !local? && will_save_change_to_username? }
validates :username, format: { with: USERNAME_ONLY_RE }, if: -> { !local? && will_save_change_to_username? }
# Local user validations
validates :username, format: { with: /\A[a-z0-9_]+\z/i }, length: { maximum: 30 }, if: -> { local? && will_save_change_to_username? && actor_type != 'Application' }

3
app/models/custom_emoji.rb
View file

@ -30,6 +30,7 @@ class CustomEmoji < ApplicationRecord
SCAN_RE = /(?<=[^[:alnum:]:]|\n|^)
:(#{SHORTCODE_RE_FRAGMENT}):
(?=[^[:alnum:]:]|$)/x
SHORTCODE_ONLY_RE = /\A#{SHORTCODE_RE_FRAGMENT}\z/
IMAGE_MIME_TYPES = %w(image/png image/gif image/webp).freeze
@ -41,7 +42,7 @@ class CustomEmoji < ApplicationRecord
before_validation :downcase_domain
validates_attachment :image, content_type: { content_type: IMAGE_MIME_TYPES }, presence: true, size: { less_than: LIMIT }
validates :shortcode, uniqueness: { scope: :domain }, format: { with: /\A#{SHORTCODE_RE_FRAGMENT}\z/ }, length: { minimum: 2 }
validates :shortcode, uniqueness: { scope: :domain }, format: { with: SHORTCODE_ONLY_RE }, length: { minimum: 2 }
scope :local, -> { where(domain: nil) }
scope :remote, -> { where.not(domain: nil) }

2
app/models/featured_tag.rb
View file

@ -17,7 +17,7 @@ class FeaturedTag < ApplicationRecord
belongs_to :account, inverse_of: :featured_tags
belongs_to :tag, inverse_of: :featured_tags, optional: true # Set after validation
validates :name, presence: true, format: { with: /\A(#{Tag::HASHTAG_NAME_RE})\z/i }, on: :create
validates :name, presence: true, format: { with: Tag::HASHTAG_NAME_RE }, on: :create
validate :validate_tag_uniqueness, on: :create
validate :validate_featured_tags_limit, on: :create

13
app/models/tag.rb
View file

@ -27,11 +27,14 @@ class Tag < ApplicationRecord
has_many :followers, through: :passive_relationships, source: :account
HASHTAG_SEPARATORS = "_\u00B7\u200c"
HASHTAG_NAME_RE = "([[:word:]_][[:word:]#{HASHTAG_SEPARATORS}]*[[:alpha:]#{HASHTAG_SEPARATORS}][[:word:]#{HASHTAG_SEPARATORS}]*[[:word:]_])|([[:word:]_]*[[:alpha:]][[:word:]_]*)"
HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_RE})/i
HASHTAG_NAME_PAT = "([[:word:]_][[:word:]#{HASHTAG_SEPARATORS}]*[[:alpha:]#{HASHTAG_SEPARATORS}][[:word:]#{HASHTAG_SEPARATORS}]*[[:word:]_])|([[:word:]_]*[[:alpha:]][[:word:]_]*)"
validates :name, presence: true, format: { with: /\A(#{HASHTAG_NAME_RE})\z/i }
validates :display_name, format: { with: /\A(#{HASHTAG_NAME_RE})\z/i }
HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_PAT})/i
HASHTAG_NAME_RE = /\A(#{HASHTAG_NAME_PAT})\z/i
HASHTAG_INVALID_CHARS_RE = /[^[:alnum:]#{HASHTAG_SEPARATORS}]/
validates :name, presence: true, format: { with: HASHTAG_NAME_RE }
validates :display_name, format: { with: HASHTAG_NAME_RE }
validate :validate_name_change, if: -> { !new_record? && name_changed? }
validate :validate_display_name_change, if: -> { !new_record? && display_name_changed? }
@ -102,7 +105,7 @@ class Tag < ApplicationRecord
names = Array(name_or_names).map { |str| [normalize(str), str] }.uniq(&:first)
names.map do |(normalized_name, display_name)|
tag = matching_name(normalized_name).first || create(name: normalized_name, display_name: display_name.gsub(/[^[:alnum:]#{HASHTAG_SEPARATORS}]/, ''))
tag = matching_name(normalized_name).first || create(name: normalized_name, display_name: display_name.gsub(HASHTAG_INVALID_CHARS_RE, ''))
yield tag if block_given?