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author | keiju <keiju@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-04-13 15:30:15 +0000 |
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committer | keiju <keiju@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-04-13 15:30:15 +0000 |
commit | 8e8cd649be669910e360e0be43eb9a9f4d6edd58 (patch) | |
tree | 7df78ae7cb7c7ab2f7cb4c4f95033c13f88f1108 /lib/irb/ext | |
parent | 914c81e98b4038845fea56f8b88fd9744911ce8b (diff) | |
download | ruby-8e8cd649be669910e360e0be43eb9a9f4d6edd58.tar.gz |
* bin/irb lib/irb.rb lib/irb/...: IRB 0.9.5(new files)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8324 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/irb/ext')
-rw-r--r-- | lib/irb/ext/save-history.rb | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/irb/ext/save-history.rb b/lib/irb/ext/save-history.rb new file mode 100644 index 0000000000..95ef71b5c1 --- /dev/null +++ b/lib/irb/ext/save-history.rb @@ -0,0 +1,83 @@ +#!/usr/local/bin/ruby +# +# save-history.rb - +# $Release Version: 0.9.5$ +# $Revision$ +# $Date$ +# by Keiju ISHITSUKAkeiju@ruby-lang.org) +# +# -- +# +# +# + +@RCS_ID='-$Id$-' + +require "readline" + +module IRB + class Context + def init_save_history + unless (class<<@io;self;end).include?(HistorySavingAbility) + @io.extend(HistorySavingAbility) + end + end + + def save_history + IRB.conf[:SAVE_HISTORY] + end + + 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 + + def history_file + IRB.conf[:HISTORY_FILE] + end + + def history_file=(hist) + IRB.conf[:HISTORY_FILE] = hist + end + end + + module HistorySavingAbility + include Readline + + def HistorySavingAbility.create_finalizer + proc do + if num = IRB.conf[:SAVE_HISTORY] and (num = num.to_i) > 0 + if hf = IRB.conf[:HISTORY_FILE] + file = File.expand_path(hf) + end + file = IRB.rc_file("_history") unless file + open(file, 'w' ) do |f| + hist = HISTORY.to_a + f.puts(hist[-num..-1] || hist) + end + end + end + end + + def HistorySavingAbility.extended(obj) + ObjectSpace.define_finalizer(obj, HistorySavingAbility.create_finalizer) + obj.load_history + obj + end + + def load_history + hist = IRB.conf[:HISTORY_FILE] + hist = IRB.rc_file("_history") unless hist + if File.exist?(hist) + open(hist) do |f| + f.each {|l| HISTORY << l.chomp} + end + end + end + end +end + |