Sha256: 7c8f6d42569b101a9d3d5332edfd412b4d5df12420f52a5e1318b8c1803a25b4
Contents?: true
Size: 1.82 KB
Versions: 31
Compression:
Stored size: 1.82 KB
Contents
require_relative './version'
require 'shellwords'
module TinyTds
class Bin
ROOT = File.expand_path '../../..', __FILE__
PATHS = ENV['PATH'].split File::PATH_SEPARATOR
EXTS = (ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']) | ['.exe']
attr_reader :name
class << self
def exe(name, *args)
bin = new(name)
puts bin.info
bin.run(*args)
end
end
def initialize(name)
@name = name
@binstub = find_bin
@exefile = find_exe
end
def run(*args)
return nil unless path
Kernel.system Shellwords.join(args.unshift(path))
$?.to_i
end
def path
return @path if defined?(@path)
@path = @exefile && File.exists?(@exefile) ? @exefile : which
end
def info
"[TinyTds][v#{TinyTds::VERSION}][#{name}]: #{path}"
end
private
def find_bin
File.join ROOT, 'bin', name
end
def find_exe
EXTS.each do |ext|
f = File.join ROOT, 'exe', "#{name}#{ext}"
return f if File.exists?(f)
end
nil
end
def which
PATHS.each do |path|
EXTS.each do |ext|
exe = File.expand_path File.join(path, "#{name}#{ext}"), ROOT
next if exe == @binstub
next if !File.executable?(exe)
next if !binary?(exe)
return exe
end
end
return nil
end
# Implementation directly copied from ptools.
# https://github.com/djberg96/ptools
# https://opensource.org/licenses/Artistic-2.0
#
def binary?(file)
bytes = File.stat(file).blksize
return false unless bytes
bytes = 4096 if bytes > 4096
s = (File.read(file, bytes) || "")
s = s.encode('US-ASCII', :undef => :replace).split(//)
((s.size - s.grep(" ".."~").size) / s.size.to_f) > 0.30
end
end
end
Version data entries
31 entries across 31 versions & 2 rubygems