combine_dsw.pl

   1 #!/usr/bin/env perl
   2 eval '(exit $?0)' && eval 'exec perl -w -S $0 ${1+"$@"}'
   3     & eval 'exec perl -w -S $0 $argv:q'
   4     if 0;
   5
   6 # ******************************************************************
   7 #      Author: Chad Elliott
   8 #        Date: 4/8/2004
   9 # Description: Combined multiple dsw's into a single dsw
  10 # ******************************************************************
  11
  12 # ******************************************************************
  13 # Pragma Section
  14 # ******************************************************************
  15
  16 use strict;
  17 use FileHandle;
  18 use File::Basename;
  19
  20 # ******************************************************************
  21 # Data Section
  22 # ******************************************************************
  23
  24 my $version = '1.3';
  25
  26 # ******************************************************************
  27 # Subroutine Section
  28 # ******************************************************************
  29
  30 sub usageAndExit {
  31   my $str = shift;
  32   print STDERR "$str\n" if (defined $str);
  33   print STDERR "Combine DSW v$version\n",
  34                "Usage: ", basename($0),
  35                " [-u] <output file> <input files...>\n\n",
  36                "-u  Each input file will be removed after successful ",
  37                "combination\n\n",
  38                "NOTE: This script will work for vcw's too.\n\n",
  39                "Combine multiple dsw's into a single dsw.  You can use ",
  40                "MPC to generate\n",
  41                "dynamic projects and then generate static projects using ",
  42                "the -static,\n",
  43                "-name_modifier and -apply_project options together.  You ",
  44                "can then run this\n",
  45                "script to combine the workspaces into one.\n";
  46   exit(0);
  47 }
  48
  49 # ******************************************************************
  50 # Main Section
  51 # ******************************************************************
  52
  53 my $output;
  54 my $unlink;
  55 my @input;
  56
  57 for(my $i = 0; $i <= $#ARGV; $i++) {
  58   my $arg = $ARGV[$i];
  59   if ($arg =~ /^-/) {
  60     if ($arg eq '-u') {
  61       $unlink = 1;
  62     }
  63     else {
  64       usageAndExit("Unknown option: $arg");
  65     }
  66   }
  67   else {
  68     if (!defined $output) {
  69       $output = $arg;
  70     }
  71     else {
  72       push(@input, $arg);
  73     }
  74   }
  75 }
  76
  77 ## Print the usage if there is no output file provided or there isn't at
  78 ## least two input files.
  79 usageAndExit() if (!defined $output ||
  80                    !defined $input[0] || !defined $input[1]);
  81
  82 my $tmp = "$output.$$.tmp";
  83 my $oh  = new FileHandle();
  84
  85 if (open($oh, ">$tmp")) {
  86   my $msident;
  87   for(my $i = 0; $i <= $#input; ++$i) {
  88     ## We only want to take the global settings from the last input file.
  89     my $input  = $input[$i];
  90     my $global = ($i == $#input);
  91
  92     ## Read in the input file and write out the parts that are common
  93     ## between multiple workspace files (but only on the first input
  94     ## file).  After that, write out the project information from each
  95     ## input file.
  96     my $fh = new FileHandle();
  97     if (open($fh, $input)) {
  98       my $in_global = 0;
  99       while(<$fh>) {
 100         if (/Microsoft\s+(Developer\s+Studio|eMbedded\s+Visual)/) {
 101           ## We only want to print out the identifier from the first
 102           ## input file.
 103           if (!$msident) {
 104             $msident = 1;
 105             print $oh $_;
 106           }
 107         }
 108         else {
 109           if (/^Global:/) {
 110             $in_global = 1;
 111           }
 112           elsif ($in_global && /^[#]{79,}/) {
 113             $in_global = 0;
 114             $_ = '';
 115           }
 116
 117           ## Only print out the line if it's not part of the global
 118           ## settings (unless this is the last input file).
 119           print $oh $_ if (!$in_global || ($global && $in_global));
 120         }
 121       }
 122       close($fh);
 123     }
 124     else {
 125       print STDERR "ERROR: Unable to open '$input' for reading\n";
 126       exit(2);
 127     }
 128   }
 129   close($oh);
 130
 131   ## If the user wants us to remove the input files after successfully
 132   ## combining them, then do so here.
 133   unlink(@input) if ($unlink);
 134
 135   ## We have written the new workspace to a temporary file to allow an
 136   ## input file to be the same as an output file.  Once we're done, we
 137   ## need to move it to it's correct output name.
 138   unlink($output);
 139   rename($tmp, $output);
 140 }
 141 else {
 142   print STDERR "ERROR: Unable to open '$tmp' for writing\n";
 143   exit(1);
 144 }