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#!/usr/bin/env perl
################################################################################
# (C) COPYRIGHT 2000, Eric Busboom <eric@softwarestudio.org>
#     http://www.softwarestudio.org
#
# This library is free software; you can redistribute it and/or modify
# it under the terms of either:
#
#   The LGPL as published by the Free Software Foundation, version
#   2.1, available at: http://www.gnu.org/licenses/lgpl-2.1.txt
#
# Or:
#
#   The Mozilla Public License Version 2.0. You may obtain a copy of
#   the License at http://www.mozilla.org/MPL/
################################################################################

use Getopt::Std;
getopts('chspi:');

# ARG 0 is components.txt
open(PV, "$ARGV[0]") || die "Can't open components  file $ARGV[0]:$!";

my @components;

while (<PV>) {

  s/#.*//;

  chop;

  push(@components, $_);

}

close PV;

# Write the file inline by copying everything before a demarcation
# line, and putting the generated data after the demarcation

if ($opt_i) {

  open(IN, $opt_i) || die "Can't open input file \"$opt_i\"";

  while (<IN>) {

    if (/Do not edit/) {
      last;
    }

    print;

  }

  if ($opt_i) {
    print "# Everything below this line is machine generated. Do not edit. \n";
  } else {
    print "/* Everything below this line is machine generated. Do not edit. */\n";
  }

}

if ($opt_c or $opt_h and !$opt_i) {

  print <<EOM;
/* -*- Mode: C -*-
  ======================================================================
  FILE: icalderivedproperties.{c,h}
  CREATOR: eric 09 May 1999

  \044Id:\044

  (C) COPYRIGHT 1999 Eric Busboom <eric@softwarestudio.org>
  http://www.softwarestudio.org

  The contents of this file are subject to the Mozilla Public License
  Version 1.0 (the "License"); you may not use this file except in
  compliance with the License. You may obtain a copy of the License at
  http://www.mozilla.org/MPL/

  Software distributed under the License is distributed on an "AS IS"
  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
  the License for the specific language governing rights and
  limitations under the License.


 ======================================================================*/

/*
 * THIS FILE IS MACHINE GENERATED DO NOT EDIT
 */

#include <stdarg.h> /* for va_arg functions */

EOM

}

if ($opt_p and !$opt_i) {

  print <<EOM;

EOM

}

foreach $comp (@components) {

  next if !$comp;

  my $ucf = join("", map {ucfirst(lc($_));} split(/-/, $comp));
  my $lc  = lc($ucf);
  my $uc  = uc($lc);

  if ($opt_c) {    # Make C source
    print <<EOM;

/* $comp */

icalcomponent* icalcomponent_new_${lc}()
{
   return (icalcomponent*)icalcomponent_new_impl(ICAL_${uc}_COMPONENT);
}

icalcomponent* icalcomponent_vanew_${lc}(...)
{
   va_list args;
   struct icalcomponent_impl *impl = icalcomponent_new_impl(ICAL_${uc}_component);

   va_start(args,v);
   icalcomponent_add_properties(impl, args);
   va_end(args);

   return (icalcomponent*)impl;
}

EOM

  } elsif ($opt_h) {    # Make a C header
    print <<EOM;

/* $comp */
icalcomponent* icalcomponent_new_${lc}();
icalcomponent* icalcomponent_vanew_${lc}(...);
EOM

  } elsif ($opt_s) {    # Make something for a switch statement

    print <<EOM;
case ICAL_${uc}_PROPERTY:
EOM

  } elsif ($opt_p) {    # make perl source

    print <<EOM;

# $comp
package Net::ICal::Component::${ucf};
\@ISA=qw(Net::ICal::Component);

sub new
{
   my \$package = shift;
   my \$c = Net::ICal::icalcomponent_new(\$Net::ICal::ICAL_${uc}_COMPONENT);

   my \$self = Net::ICal::Component::new_from_ref(\$c);
   Net::ICal::Component::_add_elements(\$self,\\\@_);

   # Self is blessed in new_from_ref

   return \$self;

}
EOM

  }

}