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|
# module : base/tool
# copyright : PRAGMA Advanced Document Engineering
# version : 2002-2005
# author : Hans Hagen
#
# project : ConTeXt / eXaMpLe
# concept : Hans Hagen
# info : j.hagen@xs4all.nl
# www : www.pragma-ade.com
require 'timeout'
require 'socket'
require 'rbconfig'
module Tool
$constructedtempdir = ''
def Tool.constructtempdir(create,mainpath='',fallback='')
begin
mainpath += '/' unless mainpath.empty?
timeout(5) do
begin
t = Time.now
u = t.usec.to_s % [1..2] [0..3]
pth = t.strftime("#{mainpath}%Y%m%d-%H%M%S-#{u}-#{Process.pid}")
if pth == $constructedtempdir
# sleep(0.01)
retry
end
Dir.mkdir(pth) if create
$constructedtempdir = pth
return pth
rescue
# sleep(0.01)
retry
end
end
rescue TimeoutError
# ok
rescue
# ok
end
unless fallback.empty?
begin
pth = "#{mainpath}#{fallback}"
mkdir(pth) if create
$constructedtempdir = path
return pth
rescue
return '.'
end
else
return '.'
end
end
def Tool.findtempdir(*vars)
constructtempdir(false,*vars)
end
def Tool.maketempdir(*vars)
constructtempdir(true,*vars)
end
# print maketempdir + "\n"
# print maketempdir + "\n"
# print maketempdir + "\n"
# print maketempdir + "\n"
# print maketempdir + "\n"
def Tool.ruby_platform
case RUBY_PLATFORM
when /(mswin|bccwin|mingw|cygwin)/i then 'mswin'
when /(linux)/i then 'linux'
when /(netbsd|unix)/i then 'unix'
when /(darwin|rhapsody|nextstep)/i then 'macosx'
else 'unix'
end
end
$defaultlineseparator = $/ # $RS in require 'English'
def Tool.file_platform(filename)
begin
if f = open(filename,'rb') then
str = f.read(4000)
str.gsub!(/(.*?)\%\!PS/mo, "%!PS") # don't look into preamble crap
f.close
nn = str.count("\n")
nr = str.count("\r")
if nn>nr then
return 2
elsif nn<nr then
return 3
else
return 1
end
else
return 0
end
rescue
return 0
end
end
def Tool.path_separator
return File::PATH_SEPARATOR
end
def Tool.line_separator(filename)
case file_platform(filename)
when 1 then return $defaultlineseparator
when 2 then return "\n"
when 3 then return "\r"
else return $defaultlineseparator
end
end
def Tool.default_line_separator
$defaultlineseparator
end
def Tool.simplefilename(old)
return old # too fragile
return old if not FileTest.file?(old)
new = old.downcase
new.gsub!(/[^A-Za-z0-9\_\-\.\\\/]/o) do # funny chars
'-'
end
if old =~ /[a-zA-Z]\:/o
# seems like we have a dos/windows drive prefix, so roll back
new.sub!(/^(.)\-/) do
$1 + ':'
end
end
# fragile for a.b.c.d.bla-bla.e.eps
# new.gsub!(/(.+?)\.(.+?)(\..+)$/o) do # duplicate .
# $1 + '-' + $2 + $3
# end
new.gsub!(/\-+/o) do # duplicate -
'-'
end
new
end
if Config::CONFIG['host_os'] =~ /mswin/ then
require 'Win32API'
GetShortPathName = Win32API.new('kernel32', 'GetShortPathName', ['P','P','N'], 'N')
GetLongPathName = Win32API.new('kernel32', 'GetLongPathName', ['P','P','N'], 'N')
def Tool.dowith_pathname (filename,filemethod)
filename.gsub!(/\\/o,'/')
case filename
when /\;/o then
# could be a path spec
return filename
when /\s+/o then
# danger lurking
buffer = ' ' * 260
length = filemethod.call(filename,buffer,buffer.size)
if length>0 then
return buffer.slice(0..length-1)
else
# when the path or file does not exist, nothing is returned
# so we try to handle the path separately from the basename
basename = File.basename(filename)
pathname = File.dirname(filename)
length = filemethod.call(pathname,buffer,260)
if length>0 then
return buffer.slice(0..length-1) + '/' + basename
else
return filename
end
end
else
# no danger
return filename
end
end
def Tool.shortpathname(filename)
dowith_pathname(filename,GetShortPathName)
end
def Tool.longpathname(filename)
dowith_pathname(filename,GetLongPathName)
end
else
def Tool.shortpathname(filename)
filename
end
def Tool.longpathname(filename)
filename
end
end
# print shortpathname("C:/Program Files/ABBYY FineReader 6.0/matrix.str")+ "!\n"
# print shortpathname("C:/Program Files/ABBYY FineReader 6.0/matrix.strx")+ "!\n"
def Tool.checksuffix(old)
return old unless test(?f,old)
new = old
unless new =~ /\./io # no suffix
f = open(filename,'rb')
if str = f.gets
case str
when /^\%\!PS/io
# logging.report(filename, 'analyzed as EPS')
new = new + '.eps'
when /^\%PDF/io
# logging.report(filename, 'analyzed as PDF')
new = new + '.pdf'
else
# logging.report(filename, 'fallback as TIF')
new = new + '.tif'
end
end
f.close
end
new.sub!(/\.jpeg$/io) do
'.jpg'
end
new.sub!(/\.tiff$/io) do
'.tif'
end
new.sub!(/\.ai$/io) do
'.eps'
end
new.sub!(/\.ai([a-z0-9]*)$/io) do
'-' + $1 + '.eps'
end
new
end
def Tool.cleanfilename(old,logging=nil)
return old if not FileTest.file?(old)
new = checksuffix(simplefilename(old))
unless new == old
begin # bugged, should only be name, not path
File.rename(old,new)
logging.report("renaming fuzzy name #{old} to #{new}") unless logging
return old
rescue
logging.report("unable to rename fuzzy name #{old} to #{new}") unless logging
end
end
return new
end
def Tool.servername
host = Socket::gethostname
begin
Socket::gethostbyname(host)[0]
rescue
host
end
end
# print file_platform(ARGV[0])
end
|
