BEGIN {

  # ff bits: 1(debug), 2(prerelease), 4(patched), 8(vendor) and 32(special)
  # debug is summed based on the /Define _DEBUG
  # prerelease is based on the -dev extension,
  # patched is based on a non-standard "-ver" extension, 
  # special and vendor are toggled by their args.
  #
  ff = 0;

  file=ARGV[1];
  desc=ARGV[2];
  rel_h=ARGV[3];

  filename = file;
  if (match(file, /\./)) {
    sub(/\.[^\.]*$/, "", file);
  }

  i = 4;
  while (length(ARGV[i])) {
    if (match(ARGV[i], /icon=/)) {
      icon = substr(ARGV[i], 6);
    }
    if (match(ARGV[i], /vendor=/)) {
      vendor = substr(ARGV[i], 8);
      ff = ff + 8;
    }
    if (match(ARGV[i], /special=/)) {
      special = substr(ARGV[i], 9);
      ff = ff + 32;
    }
    i = i + 1
  }

  i = i - 1;
  while (i) {
    delete ARGV[i];
    i = i - 1;
  }

  while ((getline < rel_h) > 0) {
    if (match ($0, /^#define AP._MAJOR_VERSION/)) {
      ver_major = $3;
    }
    if (match ($0, /^#define AP._MINOR_VERSION/)) {
      ver_minor = $3;
    }
    if (match ($0, /^#define AP._PATCH_VERSION/)) {
      ver_patch = $3;
    }
    if (match ($0, /^#define AP._IS_DEV_VERSION/)) {
      ver_suffix = "-dev";
      ver_build = "0";
    }
    if (match ($0, /^#undef AP._IS_DEV_VERSION/)) {
      ver_build = "100";
    }
    if (match ($0, /^.*Copyright /)) {
      copyright = substr($0, RLENGTH + 1);
    }
  }
  ver = ver_major "." ver_minor "." ver_patch ver_suffix;
  verc = ver_major "," ver_minor "," ver_patch "," ver_build;   

  if (length(vendor)) {
    ff = ff + 8;
  }

  if (length(icon)) {
    print "1 ICON DISCARDABLE \"" icon "\"";
  }
  print "1 VERSIONINFO";
  print " FILEVERSION " verc "";
  print " PRODUCTVERSION " verc "";
  print " FILEFLAGSMASK 0x3fL";
  print "#if defined(_DEBUG)"
  print " FILEFLAGS 0x" sprintf("%02x", ff + 1) "L";
  print "#else"
  print " FILEFLAGS 0x" sprintf("%02x", ff) "L";
  print "#endif"
  print " FILEOS 0x40004L";
  print " FILETYPE 0x1L";
  print " FILESUBTYPE 0x0L";
  print "BEGIN";
  print "  BLOCK \"StringFileInfo\"";
  print "  BEGIN";
  print "    BLOCK \"040904b0\"";
  print "    BEGIN";
  print "    VALUE \"Comments\", "\
  "\"Licensed to the Apache Software Foundation (ASF) under one or more " \
  "contributor license agreements.  See the NOTICE file distributed with " \
  "this work for additional information regarding copyright ownership.  " \
  "The ASF licenses this file to You under the Apache License, Version 2.0 " \
  "(the \"\"License\"\"); you may not use this file except in compliance " \
  "with the License.  You may obtain a copy of the License at\\r\\n\\r\\n" \
  "http://www.apache.org/licenses/LICENSE-2.0\\r\\n\\r\\n" \
  "Unless required by applicable law or agreed to in writing, software " \
  "distributed under the License is distributed on an \"\"AS IS\"\" BASIS, " \
  "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  " \
  "See the License for the specific language governing permissions and " \
  "limitations under the License.\\0\"";
  print "      VALUE \"CompanyName\", \"Apache Software Foundation\\0\"";
  print "      VALUE \"FileDescription\", \"" desc "\\0\"";
  print "      VALUE \"FileVersion\", \"" ver "\\0\"";
  print "      VALUE \"InternalName\", \"" file "\\0\"";
  print "      VALUE \"LegalCopyright\", \"Copyright " copyright "\\0\"";
  print "      VALUE \"OriginalFilename\", \"" filename "\\0\"";
  if (vendor) {
    print "      VALUE \"PrivateBuild\", \"" vendor "\\0\"";
  }
  if (special) {
    print "      VALUE \"SpecialBuild\", \"" vendor "\\0\"";
  }
  print "      VALUE \"ProductName\", \"Apache Portable Runtime\\0\"";
  print "      VALUE \"ProductVersion\", \"" ver "\\0\"";
  print "    END";
  print "  END";
  print "  BLOCK \"VarFileInfo\"";
  print "  BEGIN";
  print "    VALUE \"Translation\", 0x409, 1200";
  print "  END";
  print "END";
}