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require "shellwords"
module Support
class << self
attr_accessor :nvim_version
end
def self.clean_persistent_client
persistent_client.command("%bdelete! | tabonly | only | set all&")
end
def self.backend_strategy
@backend_strategy ||= ENV.fetch("NVIM_RUBY_SPEC_BACKEND", "child")
end
def self.persistent_client
return @persistent_client if defined?(@persistent_client)
case backend_strategy
when /^child:?(.*)$/
@persistent_client = Neovim.attach_child(child_argv + Shellwords.split($1))
when /^tcp:(.+)$/
@persistent_client = Neovim.attach_tcp(*$1.split(":", 2))
when /^unix:(.+)$/
@persistent_client = Neovim.attach_unix($1)
else
raise "Unrecognized $NVIM_RUBY_SPEC_BACKEND #{backend_strategy.inspect}"
end
end
def self.workspace
File.expand_path("workspace", __dir__)
end
def self.socket_path
file_path("nvim.sock")
end
def self.tcp_port
server = TCPServer.new("127.0.0.1", 0)
begin
server.addr[1]
ensure
server.close
end
end
def self.file_path(name)
File.join(workspace, name)
end
def self.setup_workspace
FileUtils.mkdir_p(workspace)
end
def self.teardown_workspace
FileUtils.rm_rf(workspace)
end
def self.child_argv
[Neovim.executable.path, "--headless", "-i", "NONE", "-u", "NONE", "-n"]
end
def self.windows?
Gem.win_platform?
end
def self.kill(pid)
windows? ? Process.kill(:KILL, pid) : Process.kill(:TERM, pid)
Process.waitpid(pid)
end
begin
self.nvim_version = Neovim.executable.version
rescue => e
abort("Failed to load nvim: #{e}")
end
end
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