#!/usr/local/bin/perl

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# Copyright (c) 2004-2007 Determina Corp.

### gen_event_strings.pl
### reads in a .mc file and creates a header file with fmt string constants
### matching those in the .mc file (in printf style format)

$usage = "Usage : gen_event_strings <mc file> <target file>";

#print stderr "$#ARGV\n";
#print stderr "$ARGV[0]\n";
#print stderr "$ARGV[1]\n";

if ($#ARGV != 1) {
    print "$usage";
    exit 0;
}

open(IN, "<$ARGV[0]") || die("Error : gen_event_strings : couldn't open .mc file ","$ARGV[0]","\n");

open(OUT, ">$ARGV[1]") || die("Error : gen_event_strings : couldn't open output file ","$ARGV[0]","\n");

while ($line = <IN>) {
    $line =~ s/\r?\n$//; # chomp not sufficient for cross-plaform perl
    if ($line =~ /^SymbolicName *= *(\S+)\s*$/) {
        $name = $1 . "_STRING";
        $val = "";
        if ($line = <IN>) {
            $line =~ s/\r?\n$//; # chomp not sufficient for cross-plaform perl
            if ($line !~ /^Language *= *English\s*$/) {
                # may need to remove once have multilingual support? FIXME
                die("Error : gen_event_strings : pattern match for Language=English failed for ",$name,"\n");
            }
            $success = 0;
            while ($line = <IN>) {
                $line =~ s/\r?\n$//; # chomp not sufficient for cross-plaform perl
                if ($line =~ /^\.\s*$/) {
                    $sucess = 1;
                    last;
                }
                $val .= $line;
                $val .= "\\n";
            }
            # remove final newline
            chop $val;
            chop $val;
            if ($sucess == 0) {
                die("Error : file ended unexpectedly");
            }
            # FIXME we only need %s for now, but following should be general
            # as long as the letter codes match (seems to be the case), what
            # about 1, 2, 3 can the .mc fmt string reorder the arguments?
            $val =~ s/%.!([^!]+)!/%\1/g;
            print OUT "#define ",$name," \"",$val,"\"\n";
        } else {
            die("Error : file ended unexpectedly");
        }
    }
}