diff options
Diffstat (limited to 'lib/irb/ext/save-history.rb')
| -rw-r--r-- | lib/irb/ext/save-history.rb | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/lib/irb/ext/save-history.rb b/lib/irb/ext/save-history.rb deleted file mode 100644 index 7acaebe36a..0000000000 --- a/lib/irb/ext/save-history.rb +++ /dev/null @@ -1,130 +0,0 @@ -# frozen_string_literal: false -# save-history.rb - -# $Release Version: 0.9.6$ -# $Revision$ -# by Keiju ISHITSUKA(keiju@ruby-lang.org) -# -# -- -# -# -# - -module IRB - module HistorySavingAbility # :nodoc: - end - - class Context - def init_save_history# :nodoc: - unless (class<<@io;self;end).include?(HistorySavingAbility) - @io.extend(HistorySavingAbility) - end - end - - # A copy of the default <code>IRB.conf[:SAVE_HISTORY]</code> - def save_history - IRB.conf[:SAVE_HISTORY] - end - - remove_method(:save_history=) if method_defined?(:save_history=) - # Sets <code>IRB.conf[:SAVE_HISTORY]</code> to the given +val+ and calls - # #init_save_history with this context. - # - # Will store the number of +val+ entries of history in the #history_file - # - # Add the following to your +.irbrc+ to change the number of history - # entries stored to 1000: - # - # IRB.conf[:SAVE_HISTORY] = 1000 - def save_history=(val) - IRB.conf[:SAVE_HISTORY] = val - if val - main_context = IRB.conf[:MAIN_CONTEXT] - main_context = self unless main_context - main_context.init_save_history - end - end - - # A copy of the default <code>IRB.conf[:HISTORY_FILE]</code> - def history_file - IRB.conf[:HISTORY_FILE] - end - - # Set <code>IRB.conf[:HISTORY_FILE]</code> to the given +hist+. - def history_file=(hist) - IRB.conf[:HISTORY_FILE] = hist - end - end - - module HistorySavingAbility # :nodoc: - def HistorySavingAbility.extended(obj) - IRB.conf[:AT_EXIT].push proc{obj.save_history} - obj.load_history - obj - end - - def load_history - return unless self.class.const_defined?(:HISTORY) - history = self.class::HISTORY - if history_file = IRB.conf[:HISTORY_FILE] - history_file = File.expand_path(history_file) - end - history_file = IRB.rc_file("_history") unless history_file - if File.exist?(history_file) - open(history_file, "r:#{IRB.conf[:LC_MESSAGES].encoding}") do |f| - f.each { |l| - l = l.chomp - if self.class == ReidlineInputMethod and history.last&.end_with?("\\") - history.last.delete_suffix!("\\") - history.last << "\n" << l - else - history << l - end - } - end - @loaded_history_lines = history.size - @loaded_history_mtime = File.mtime(history_file) - end - end - - def save_history - return unless self.class.const_defined?(:HISTORY) - history = self.class::HISTORY - if num = IRB.conf[:SAVE_HISTORY] and (num = num.to_i) != 0 - if history_file = IRB.conf[:HISTORY_FILE] - history_file = File.expand_path(history_file) - end - history_file = IRB.rc_file("_history") unless history_file - - # Change the permission of a file that already exists[BUG #7694] - begin - if File.stat(history_file).mode & 066 != 0 - File.chmod(0600, history_file) - end - rescue Errno::ENOENT - rescue Errno::EPERM - return - rescue - raise - end - - if File.exist?(history_file) && @loaded_history_mtime && - File.mtime(history_file) != @loaded_history_mtime - history = history[@loaded_history_lines..-1] - append_history = true - end - - open(history_file, "#{append_history ? 'a' : 'w'}:#{IRB.conf[:LC_MESSAGES].encoding}", 0600) do |f| - hist = history.map{ |l| l.split("\n").join("\\\n") } - unless append_history - begin - hist = hist.last(num) if hist.size > num and num > 0 - rescue RangeError # bignum too big to convert into `long' - # Do nothing because the bignum should be treated as inifinity - end - end - f.puts(hist) - end - end - end - end -end |