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# frozen_string_literal: true
require 'tempfile'
require_relative '../helpers/os_helper'
module Geet
module Commandline
class Editor
include Geet::Helpers::OsHelper
# Git style!
HELP_SEPARATOR = '------------------------ >8 ------------------------'
# Edits a content in the default editor, optionally providing help.
#
# When the help is provided, it's appended to the bottom, separated by HELP_SEPARATOR.
# The help is stripped after the content if edited.
#
def edit_content(content: '', help: nil)
content += "\n\n" + HELP_SEPARATOR + "\n" + help if help
edited_content = edit_content_in_default_editor(content)
edited_content = edited_content.split(HELP_SEPARATOR, 2).first if help
edited_content.strip
end
private
# MAIN STEPS #######################################################################
# The gem `tty-editor` does this, although it requires in turn other 7/8 gems.
# Interestingly, the API `TTY::Editor.open(content: 'text')` is not very useful,
# as it doesn't return the filename (!).
#
def edit_content_in_default_editor(content)
tempfile = Tempfile.open(['geet_editor', '.md']) { |file| file << content }.path
command = "#{system_editor} #{tempfile.shellescape}"
execute_command(command, description: 'editing', interactive: true)
content = IO.read(tempfile)
File.unlink(tempfile)
content
end
# HELPERS ##########################################################################
def system_editor
ENV['EDITOR'] || ENV['VISUAL'] || 'vi'
end
end
end
end
Version data entries
37 entries across 37 versions & 1 rubygems