require 'base/kpsefast'
module KpseRunner
@@kpse = nil
def KpseRunner.kpsewhich(arg='')
options, arguments = split_args(arg)
unless @@kpse then
if ENV['KPSEMETHOD'] && ENV['KPSEPORT'] then
require 'base/kpseremote'
@@kpse = KpseRemote.new
else
@@kpse = nil
end
if @@kpse && @@kpse.okay? then
@@kpse.progname = options['progname'] || ''
@@kpse.engine = options['engine'] || ''
@@kpse.format = options['format'] || ''
else
require 'base/kpsefast'
@@kpse = KpseFast.new
@@kpse.load_cnf
@@kpse.progname = options['progname'] || ''
@@kpse.engine = options['engine'] || ''
@@kpse.format = options['format'] || ''
@@kpse.expand_variables
@@kpse.load_lsr
end
else
@@kpse.progname = options['progname'] || ''
@@kpse.engine = options['engine'] || ''
@@kpse.format = options['format'] || ''
@@kpse.expand_variables
end
if option = options['expand-braces'] and not option.empty? then
@@kpse.expand_braces(option)
elsif option = options['expand-path'] and not option.empty? then
@@kpse.expand_path(option)
elsif option = options['expand-var'] and not option.empty? then
@@kpse.expand_var(option)
elsif option = options['show-path'] and not option.empty? then
@@kpse.show_path(option)
elsif option = options['var-value'] and not option.empty? then
@@kpse.expand_var(option)
elsif arguments.size > 0 then
files = Array.new
arguments.each do |option|
if file = @@kpse.find_file(option) and not file.empty? then
files << file
end
end
files.join("\n")
else
''
end
end
def KpseRunner.kpsereset
@@kpse = nil
end
private
def KpseRunner.split_args(arg)
vars, args = Hash.new, Array.new
arg.gsub!(/([\"\'])(.*?)\1/o) do
$2.gsub(' ','')
end
arg = arg.split(/\s+/o)
arg.collect! do |a|
a.gsub('',' ')
end
arg.each do |a|
if a =~ /^(.*?)\=(.*?)$/o then
k, v = $1, $2
vars[k.sub(/^\-+/,'')] = v
else
args << a
end
end
# puts vars.inspect
# puts args.inspect
return vars, args
end
end