#!/bin/sh

# Convert text files to compilable C arrays.
#
# Copyright (C) 2007-2016 Free Software Foundation, Inc.
#
# This file is part of GDB.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

if test -z "$1" || test -z "$2"; then
  echo "Usage: $0 OUTPUTFILE INPUTFILE..."
  exit 1
fi

output=$1
shift

if test -e "$output"; then
  echo "Output file \"$output\" already exists; refusing to overwrite."
  exit 1
fi

for input; do
  arrayname=xml_feature_`echo $input | sed 's,.*/,,; s/[-.]/_/g'`

  ${AWK:-awk} 'BEGIN { n = 0
      print "static const char '$arrayname'[] = {"
      for (i = 0; i < 255; i++)
        _ord_[sprintf("%c", i)] = i
    } {
      split($0, line, "");
      printf "  "
      for (i = 1; i <= length($0); i++) {
        c = line[i]
        if (c == "'\''") {
          printf "'\''\\'\'''\'', "
        } else if (c == "\\") {
          printf "'\''\\\\'\'', "
        } else if (_ord_[c] >= 32 && _ord_[c] < 127) {
	  printf "'\''%s'\'', ", c
        } else {
          printf "'\''\\%03o'\'', ", _ord_[c]
        }
        if (i % 10 == 0)
          printf "\n   "
      }
      printf "'\''\\n'\'', \n"
    } END {
      print "  0 };"
    }' < $input >> $output
done

echo >> $output

echo "#ifdef __cplusplus"                    >> $output
echo "#  define EXPORTED_CONST extern const" >> $output
echo "#else"                                 >> $output
echo "#  define EXPORTED_CONST const"        >> $output
echo "#endif"                                >> $output
echo "EXPORTED_CONST char *const xml_builtin[][2] = {" >> $output

for input; do
  basename=`echo $input | sed 's,.*/,,'`
  arrayname=xml_feature_`echo $input | sed 's,.*/,,; s/[-.]/_/g'`
  echo "  { \"$basename\", $arrayname }," >> $output
done

echo "  { 0, 0 }" >> $output
echo "};" >> $output