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83 lines
1.5 KiB
Perl
Executable File
83 lines
1.5 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# extract-symbols - Extract symbol names from KiCad schematics
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#
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# Written 2012 by Werner Almesberger
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# Copyright 2012 Werner Almesberger
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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sub usage
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{
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print STDERR "usage: $0 file.sch\n";
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exit(1);
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}
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&usage if $#ARGV != 0;
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push @f, $ARGV[0];
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($dir = $ARGV[0]) =~ s|[^/]*$||;
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$dir = "." if $dir eq "";
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while (@f) {
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$file = pop @f;
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$sheet = 0;
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$comp = 0;
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open(FILE, $file) || die "$file: $!";
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while (<FILE>) {
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if (/^\$Sheet/) {
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$sheet = 1;
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next;
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}
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if (/^\$EndSheet/) {
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$sheet = 0;
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next;
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}
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if (/^\$Comp/) {
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$comp = 1;
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undef $cref;
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next;
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}
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if (/^\$EndComp/) {
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$comp = 0;
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next;
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}
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if (/^F1 "([^"]*)"/ && $sheet) {
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if (-r "$1") {
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push @f, $1;
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} elsif (-r "$dir/$1") {
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push @f, "$dir/$1";
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} else {
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die "don't know where to find $1";
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}
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next;
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}
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if (/^L\s+(\S+)\s+([^# \t\n]\S*)\s*$/ && $comp) {
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die if defined $cref;
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$cref = $2;
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$sym = $1;
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next;
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}
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if (/^U\s+1\s+/ && $comp) {
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next unless defined $cref;
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die "duplicate component reference \"$cref\" ($sym)" if
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defined $sym{$cref};
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$sym{$cref} = $sym;
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undef $cref;
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next;
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}
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}
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close FILE;
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}
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for (sort keys %sym) {
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print "$_ $sym{$_}\n" || die "print: $!";
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}
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close STDOUT || die "close: $!";
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