utils/parse_object_definitions

   1 #!/bin/bash
   2 #
   3 # Parse the object names out of Nagios' xdata/xodtemplate.h, and
   4 # convert them to their definition format.
   5 #
   6 # Operates on whatever file you give it, like the other utilities.
   7 #
   8
   9 EXIT_USAGE=1
  10 EXIT_INPUT_FILE_DOESNT_EXIST=2
  11 EXIT_OUTPUT_FILE_EXISTS=3
  12
  13 if [ $# -lt 2 ]; then
  14     echo "Usage: $0 <input_file> <output_file>"
  15     exit $EXIT_USAGE
  16 fi
  17
  18
  19 INFILE="$1"
  20 OUTFILE="$2"
  21
  22 if [ ! -f "$INFILE" ]; then
  23     echo "Error: input file $INFILE doesn't exist."
  24     exit $EXIT_INPUT_FILE_DOESNT_EXIST
  25 fi
  26
  27 if [ -f "$OUTFILE" ]; then
  28     echo "Error: output file $OUTFILE already exists."
  29     exit $EXIT_OUTPUT_FILE_EXISTS
  30 fi
  31
  32 # Common options. Color screws up the output.
  33 GREP="grep --extended-regexp --color=never"
  34
  35 # Grep grabs all of the "#define XODTEMPLATE_..." lines, except for
  36 # XODTEMPLATE_NONE, which ain't real.
  37 #
  38 # Sed removes the "XODTEMPLATE_" prefixes, then tr lowercases everything.
  39 #
  40 # Oh and we sort everything, add "define ", and surround each line with
  41 # quotes, because we can get away with it here.
  42 #
  43 $GREP --only-matching '[[:space:]]XODTEMPLATE_[[:alnum:]_]+' "$INFILE" \
  44     | $GREP -v 'XODTEMPLATE_NONE'                                      \
  45     | sed 's/ XODTEMPLATE_//g'                                         \
  46     | tr '[A-Z]' '[a-z]'                                               \
  47     | sort                                                             \
  48     | sed -e 's/^/\"define /g' -e 's/$/\"/g' >> "$OUTFILE"