#! /bin/sh

SED=${SED:-'sed'}

if test $# -ne 1; then
  echo "usage: mkgendoc f1" 1>&2
  exit 1
fi

DOC_FILES=`cat $1`

if test -z "$DOC_FILES"; then
  echo "mkgendoc: DOC_FILES is empty!" 1>&2
  exit 1
fi

cat << \EOF
// DO NOT EDIT!  Generated automatically by mkgendoc

#if defined (__DECCXX)
#define __USE_STD_IOSTREAM
#endif

#include <iostream>
#include <string>

#define XDEFUN_DLD_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \
  print_doc_string (#name, doc);

#define XDEFUNX_DLD_INTERNAL(name, fname, args_name, nargout_name, \
                             is_text_fcn, doc) \
  print_doc_string (name, doc);

#define XDEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \
  print_doc_string (#name, doc);

#define XDEFCONSTFUN_INTERNAL(name, args_name, nargout_name, \
			      is_text_fcn, doc) \
  print_doc_string (#name, doc);

#define XDEFUNX_INTERNAL(name, fname, args_name, nargout_name, \
			 is_text_fcn, doc) \
  print_doc_string (name, doc);

#define XDEFALIAS_INTERNAL(alias, name)

#define XDEFVAR_INTERNAL(name, sname, defn, protect, chg_fcn, doc) \
  print_doc_string (#name, doc);

#define XDEFCONST_INTERNAL(name, defn, doc) \
  print_doc_string (#name, doc);

#define XDEFUN_MAPPER_INTERNAL(name, ch_map, d_b_map, c_b_map, d_d_map, \
			       d_c_map, c_c_map, lo, hi, \
			       ch_map_flag, can_ret_cmplx_for_real, doc) \
  print_doc_string (#name, doc);

static void
print_doc_string (const std::string& name, const std::string& doc)
{
  std::cout << "";

  size_t len = name.length ();

  if (name[0] == '"' && name[len-1] == '"')
    std::cout << name.substr (1, len-2);
  else
    std::cout << name;

  std::cout << "\n" << doc << "\n";
}

EOF

for file in $DOC_FILES; do
  fcn=`echo $file | $SED 's,^\./,,; s/\.df//; s/-/_/g'`
  echo "static void"
  echo "print_${fcn}_doc_strings (void)"
  echo "{"
  cat $file
  echo "}"
  echo ""
done

cat << \EOF

int
main (void)
{
  std::cout
    << "### DO NOT EDIT!\n"
    << "###\n"
    << "### This file is generated automatically from the Octave sources.\n"
    << "### Edit those files instead and run make to update this file.\n"
    << std::endl;

EOF

for file in $DOC_FILES; do
  fcn=`echo $file | $SED 's,^\./,,; s/\.df//; s/-/_/g'`
  echo "  print_${fcn}_doc_strings ();"
done

cat << \EOF

  return 0;
}
EOF

exit 0
