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64 lines
1.8 KiB
Perl
64 lines
1.8 KiB
Perl
# -*- Mode: perl; indent-tabs-mode: nil -*-
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#
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# The contents of this file are subject to the Netscape Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/NPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Bonsai CVS tool.
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#
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# The Initial Developer of the Original Code is Netscape Communications
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# Corporation. Portions created by Netscape are
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# Copyright (C) 1998 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s):
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# Get a line, dealing with '\'. Returns 'undef' when no more lines to return;
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# removes blank lines as it goes.
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# Allows spaces after a '\'. This is naughty but will probably not matter
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# *too* much, and I'm not changing it now.
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sub get_line {
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my($l, $save);
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$l='';
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$save='';
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my $bContinue = 1;
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while( $bContinue && ($l = <MOD>) ){
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chop($l);
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if( $l =~ /^[ \t]*\#/
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|| $l =~ /^[ \t]*$/ ){
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$l=''; # Starts with a "#", or is only whitespace.
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}
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if( $l =~ /\\[ \t]*$/ ){
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# Ends with a slash, so append it to the last line.
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chop ($l);
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$save .= $l . ' ';
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$l='';
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}
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elsif( $l eq '' && $save eq ''){
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# ignore blank lines
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}
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else {
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$bContinue = 0;
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}
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}
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if(!defined($l)) {
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if($save ne '') {
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return $save;
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} else {
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return $l;
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}
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} else {
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return $save . $l;
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}
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}
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1;
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