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#!/usr/bin/env perl

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 
  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

}



}