diff options
Diffstat (limited to 'railties/lib/rails/command')
| -rw-r--r-- | railties/lib/rails/command/actions.rb | 6 | ||||
| -rw-r--r-- | railties/lib/rails/command/base.rb | 6 | ||||
| -rw-r--r-- | railties/lib/rails/command/behavior.rb | 40 | ||||
| -rw-r--r-- | railties/lib/rails/command/helpers/editor.rb | 35 | ||||
| -rw-r--r-- | railties/lib/rails/command/spellchecker.rb | 58 |
5 files changed, 99 insertions, 46 deletions
diff --git a/railties/lib/rails/command/actions.rb b/railties/lib/rails/command/actions.rb index 2f6827b7f4..cbb743346b 100644 --- a/railties/lib/rails/command/actions.rb +++ b/railties/lib/rails/command/actions.rb @@ -3,9 +3,9 @@ module Rails module Command module Actions - # Change to the application's path if there is no config.ru file in current directory. - # This allows us to run `rails server` from other directories, but still get - # the main config.ru and properly set the tmp directory. + # Change to the application's path if there is no <tt>config.ru</tt> file in current directory. + # This allows us to run <tt>rails server</tt> from other directories, but still get + # the main <tt>config.ru</tt> and properly set the <tt>tmp</tt> directory. def set_application_directory! Dir.chdir(File.expand_path("../..", APP_PATH)) unless File.exist?(File.expand_path("config.ru")) end diff --git a/railties/lib/rails/command/base.rb b/railties/lib/rails/command/base.rb index e92b2042bd..fa462ef7e9 100644 --- a/railties/lib/rails/command/base.rb +++ b/railties/lib/rails/command/base.rb @@ -6,7 +6,7 @@ require "erb" require "active_support/core_ext/string/filters" require "active_support/core_ext/string/inflections" -require_relative "actions" +require "rails/command/actions" module Rails module Command @@ -112,8 +112,8 @@ module Rails # Default file root to place extra files a command might need, placed # one folder above the command file. # - # For a `Rails::Command::TestCommand` placed in `rails/command/test_command.rb` - # would return `rails/test`. + # For a Rails::Command::TestCommand placed in <tt>rails/command/test_command.rb</tt> + # would return <tt>rails/test</tt>. def default_command_root path = File.expand_path(File.join("../commands", command_root_namespace), __dir__) path if File.exist?(path) diff --git a/railties/lib/rails/command/behavior.rb b/railties/lib/rails/command/behavior.rb index 7a6dd28e1a..718e2d9ab2 100644 --- a/railties/lib/rails/command/behavior.rb +++ b/railties/lib/rails/command/behavior.rb @@ -19,46 +19,6 @@ module Rails end private - - # This code is based directly on the Text gem implementation. - # Copyright (c) 2006-2013 Paul Battley, Michael Neumann, Tim Fletcher. - # - # Returns a value representing the "cost" of transforming str1 into str2. - def levenshtein_distance(str1, str2) # :doc: - s = str1 - t = str2 - n = s.length - m = t.length - - return m if (0 == n) - return n if (0 == m) - - d = (0..m).to_a - x = nil - - # avoid duplicating an enumerable object in the loop - str2_codepoint_enumerable = str2.each_codepoint - - str1.each_codepoint.with_index do |char1, i| - e = i + 1 - - str2_codepoint_enumerable.with_index do |char2, j| - cost = (char1 == char2) ? 0 : 1 - x = [ - d[j + 1] + 1, # insertion - e + 1, # deletion - d[j] + cost # substitution - ].min - d[j] = e - e = x - end - - d[m] = x - end - - x - end - # Prints a list of generators. def print_list(base, namespaces) return if namespaces.empty? diff --git a/railties/lib/rails/command/helpers/editor.rb b/railties/lib/rails/command/helpers/editor.rb new file mode 100644 index 0000000000..6191d97672 --- /dev/null +++ b/railties/lib/rails/command/helpers/editor.rb @@ -0,0 +1,35 @@ +# frozen_string_literal: true + +require "active_support/encrypted_file" + +module Rails + module Command + module Helpers + module Editor + private + def ensure_editor_available(command:) + if ENV["EDITOR"].to_s.empty? + say "No $EDITOR to open file in. Assign one like this:" + say "" + say %(EDITOR="mate --wait" #{command}) + say "" + say "For editors that fork and exit immediately, it's important to pass a wait flag," + say "otherwise the credentials will be saved immediately with no chance to edit." + + false + else + true + end + end + + def catch_editing_exceptions + yield + rescue Interrupt + say "Aborted changing file: nothing saved." + rescue ActiveSupport::EncryptedFile::MissingKeyError => error + say error.message + end + end + end + end +end diff --git a/railties/lib/rails/command/spellchecker.rb b/railties/lib/rails/command/spellchecker.rb new file mode 100644 index 0000000000..04485097fa --- /dev/null +++ b/railties/lib/rails/command/spellchecker.rb @@ -0,0 +1,58 @@ +# frozen_string_literal: true + +module Rails + module Command + module Spellchecker # :nodoc: + class << self + def suggest(word, from:) + if defined?(DidYouMean::SpellChecker) + DidYouMean::SpellChecker.new(dictionary: from.map(&:to_s)).correct(word).first + else + from.sort_by { |w| levenshtein_distance(word, w) }.first + end + end + + private + + # This code is based directly on the Text gem implementation. + # Copyright (c) 2006-2013 Paul Battley, Michael Neumann, Tim Fletcher. + # + # Returns a value representing the "cost" of transforming str1 into str2. + def levenshtein_distance(str1, str2) # :doc: + s = str1 + t = str2 + n = s.length + m = t.length + + return m if (0 == n) + return n if (0 == m) + + d = (0..m).to_a + x = nil + + # avoid duplicating an enumerable object in the loop + str2_codepoint_enumerable = str2.each_codepoint + + str1.each_codepoint.with_index do |char1, i| + e = i + 1 + + str2_codepoint_enumerable.with_index do |char2, j| + cost = (char1 == char2) ? 0 : 1 + x = [ + d[j + 1] + 1, # insertion + e + 1, # deletion + d[j] + cost # substitution + ].min + d[j] = e + e = x + end + + d[m] = x + end + + x + end + end + end + end +end |