summaryrefslogtreecommitdiff
path: root/scripts/context/ruby/base/kpserunner.rb
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/context/ruby/base/kpserunner.rb')
-rw-r--r--scripts/context/ruby/base/kpserunner.rb87
1 files changed, 87 insertions, 0 deletions
diff --git a/scripts/context/ruby/base/kpserunner.rb b/scripts/context/ruby/base/kpserunner.rb
new file mode 100644
index 000000000..cfc2ad4fb
--- /dev/null
+++ b/scripts/context/ruby/base/kpserunner.rb
@@ -0,0 +1,87 @@
+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
+ $2.gsub(' ','<space/>')
+ end
+ arg = arg.split(/\s+/o)
+ arg.collect! do |a|
+ a.gsub('<space/>',' ')
+ end
+ arg.each do |a|
+ if a =~ /^(.*?)\=(.*?)$/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