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# frozen_string_literal: true
#
# Copyright, 2019, by Samuel G. D. Williams. <http://www.codeotaku.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
require_relative 'generic'
module Console
module Event
class Failure < Generic
def self.current_working_directory
Dir.getwd
rescue # e.g. Errno::EMFILE
nil
end
def self.for(exception)
self.new(exception, self.current_working_directory)
end
def initialize(exception, root = nil)
@exception = exception
@root = root
end
attr :exception
attr :root
def self.register(terminal)
terminal[:exception_title] ||= terminal.style(:red, nil, :bold)
terminal[:exception_detail] ||= terminal.style(:yellow)
terminal[:exception_backtrace] ||= terminal.style(:red)
terminal[:exception_backtrace_other] ||= terminal.style(:red, nil, :faint)
terminal[:exception_message] ||= terminal.style(:default)
end
def to_h
{exception: @exception, root: @root}
end
def format(output, terminal, verbose)
format_exception(@exception, nil, output, terminal, verbose)
end
def format_exception(exception, prefix, output, terminal, verbose)
lines = exception.message.lines.map(&:chomp)
output.puts " #{prefix}#{terminal[:exception_title]}#{exception.class}#{terminal.reset}: #{lines.shift}"
lines.each do |line|
output.puts " #{terminal[:exception_detail]}#{line}#{terminal.reset}"
end
root_pattern = /^#{@root}\// if @root
exception.backtrace&.each_with_index do |line, index|
path, offset, message = line.split(":")
style = :exception_backtrace
# Make the path a bit more readable
if root_pattern and path.sub!(root_pattern, "").nil?
style = :exception_backtrace_other
end
output.puts " #{index == 0 ? "→" : " "} #{terminal[style]}#{path}:#{offset}#{terminal[:exception_message]} #{message}#{terminal.reset}"
end
if exception.cause
format_exception(exception.cause, "Caused by ", output, terminal, verbose)
end
end
end
end
end
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