#!/usr/bin/python2.7

import sys
from optparse           import OptionParser
from StringIO           import StringIO
from ooopy.OOoPy        import OOoPy
from ooopy.Transformer  import Transformer
import ooopy.Transforms as     Transforms

if __name__ == '__main__' :
    usage  = \
        '''%prog [-i|--input-file <filename>]
           [-o|--output-file <filename>] [name=value, ...]'''
    parser = OptionParser (usage = usage)
    parser.add_option \
        ( "-i", "--input-file"
        , dest    = "input_file"
        , help    = "Input file (defaults to stdin)"
        , default = None
        )
    parser.add_option \
        ( "-o", "--output-file"
        , dest    = "output_file"
        , help    = "Output file (defaults to stdout)"
        , default = None
        )
    (options, args) = parser.parse_args ()
    fields  = dict (arg.split ('=', 1) for arg in args)
    infile  = options.input_file
    outfile = options.output_file
    if infile is None :
        infile = StringIO (sys.stdin.read ())
    if outfile is None :
        outfile = StringIO ()
    o = OOoPy (infile = infile, outfile = outfile)
    t = Transformer \
        ( o.mimetype
        , Transforms.Editinfo      ()
        , Transforms.Field_Replace (replace = fields)
        , Transforms.Fix_OOo_Tag   ()
        )
    t.transform (o)
    o.close ()
    if options.output_file is None :
        sys.stdout.write (outfile.getvalue ())
