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| 1 | #!/usr/bin/perl |
| 2 | # |
| 3 | # extract-symbols - Extract symbol names from KiCad schematics |
| 4 | # |
| 5 | # Written 2012 by Werner Almesberger |
| 6 | # Copyright 2012 Werner Almesberger |
| 7 | # |
| 8 | # This program is free software; you can redistribute it and/or modify |
| 9 | # it under the terms of the GNU General Public License as published by |
| 10 | # the Free Software Foundation; either version 2 of the License, or |
| 11 | # (at your option) any later version. |
| 12 | # |
| 13 | |
| 14 | |
| 15 | sub usage |
| 16 | { |
| 17 | print STDERR "usage: $0 file.sch\n"; |
| 18 | exit(1); |
| 19 | } |
| 20 | |
| 21 | |
| 22 | &usage if $#ARGV != 0; |
| 23 | |
| 24 | push @f, $ARGV[0]; |
| 25 | ($dir = $ARGV[0]) =~ s|[^/]*$||; |
| 26 | $dir = "." if $dir eq ""; |
| 27 | |
| 28 | while (@f) { |
| 29 | $file = pop @f; |
| 30 | $sheet = 0; |
| 31 | $comp = 0; |
| 32 | open(FILE, $file) || die "$file: $!"; |
| 33 | while (<FILE>) { |
| 34 | if (/^\$Sheet/) { |
| 35 | $sheet = 1; |
| 36 | next; |
| 37 | } |
| 38 | if (/^\$EndSheet/) { |
| 39 | $sheet = 0; |
| 40 | next; |
| 41 | } |
| 42 | if (/^\$Comp/) { |
| 43 | $comp = 1; |
| 44 | undef $cref; |
| 45 | next; |
| 46 | } |
| 47 | if (/^\$EndComp/) { |
| 48 | $comp = 0; |
| 49 | next; |
| 50 | } |
| 51 | if (/^F1 "([^"]*)"/ && $sheet) { |
| 52 | if (-r "$1") { |
| 53 | push @f, $1; |
| 54 | } elsif (-r "$dir/$1") { |
| 55 | push @f, "$dir/$1"; |
| 56 | } else { |
| 57 | die "don't know where to find $1"; |
| 58 | } |
| 59 | next; |
| 60 | } |
| 61 | if (/^L\s+(\S+)\s+([^# \t\n]\S*)\s*$/ && $comp) { |
| 62 | die if defined $cref; |
| 63 | $cref = $2; |
| 64 | $sym = $1; |
| 65 | next; |
| 66 | } |
| 67 | if (/^U\s+1\s+/ && $comp) { |
| 68 | next unless defined $cref; |
| 69 | die "duplicate component reference \"$cref\" ($sym)" if |
| 70 | defined $sym{$cref}; |
| 71 | $sym{$cref} = $sym; |
| 72 | undef $cref; |
| 73 | next; |
| 74 | } |
| 75 | } |
| 76 | close FILE; |
| 77 | } |
| 78 | |
| 79 | for (sort keys %sym) { |
| 80 | print "$_ $sym{$_}\n" || die "print: $!"; |
| 81 | } |
| 82 | close STDOUT || die "close: $!"; |
| 83 |
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