diff options
author | elijah <elijah@riseup.net> | 2016-06-21 17:49:42 -0700 |
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committer | elijah <elijah@riseup.net> | 2016-06-21 17:49:42 -0700 |
commit | c7ebb220bc79d3a84e55745ed18d0d7b5baeacdd (patch) | |
tree | 2c1960d1125a4285de58e85901f93d5b2d4eea3f /lib/leap_cli/commands/common.rb | |
parent | 52dd4eb58bda84cb084cc119447cb83073b47510 (diff) |
remove highline gem dependency
Diffstat (limited to 'lib/leap_cli/commands/common.rb')
-rw-r--r-- | lib/leap_cli/commands/common.rb | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/lib/leap_cli/commands/common.rb b/lib/leap_cli/commands/common.rb new file mode 100644 index 0000000..695a9f6 --- /dev/null +++ b/lib/leap_cli/commands/common.rb @@ -0,0 +1,104 @@ +require 'readline' + +module LeapCli; module Commands + + extend LeapCli::LogCommand + extend LeapCli::Util + extend LeapCli::Util::RemoteCommand + + def path(name) + Path.named_path(name) + end + + # + # keeps prompting the user for a numbered choice, until they pick a good one or bail out. + # + # block is yielded and is responsible for rendering the choices. + # + def numbered_choice_menu(msg, items, &block) + while true + say("\n" + msg + ':') + items.each_with_index(&block) + say("q. quit") + index = ask("number 1-#{items.length}> ") + if index.empty? + next + elsif index =~ /q/ + bail! + else + i = index.to_i - 1 + if i < 0 || i >= items.length + bail! + else + return i + end + end + end + end + + def parse_node_list(nodes) + if nodes.is_a? Config::Object + Config::ObjectList.new(nodes) + elsif nodes.is_a? Config::ObjectList + nodes + elsif nodes.is_a? String + manager.filter!(nodes) + else + bail! "argument error" + end + end + + def say(statement) + if ends_in_whitespace?(statement) + $stdout.print(statement) + $stdout.flush + else + $stdout.puts(statement) + end + end + + def ask(question, options={}) + default = options[:default] + if default + if ends_in_whitespace?(question) + question = question + "|" + default + "| " + else + question = question + "|" + default + "|" + end + end + response = Readline.readline(question, true) # set to false if ever reading passwords. + if response + response = response.strip + if response.empty? + return default + else + return response + end + else + return default + end + end + + def agree(question, options={}) + while true + response = ask(question, options) + if response.nil? + say('Please enter "yes" or "no".') + elsif ["y","yes", "ye"].include?(response.downcase) + return true + elsif ["n", "no"].include?(response.downcase) + return false + else + say('Please enter "yes" or "no".') + end + end + end + + private + + # true if str ends in whitespace before a color escape code. + def ends_in_whitespace?(str) + /[ \t](\e\[\d+(;\d+)*m)?\Z/ =~ str + end + +end; end |