77 lines
2 KiB
Perl
77 lines
2 KiB
Perl
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#
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# FixRef.pm
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#
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# $Id: FixRef.pm,v 1.1.1.1 2001/05/24 15:57:41 sano Exp $
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#
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# Start conversion from parsed linuxdoc-sgml to html.
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# - Identify references and file count
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#
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# Rules based on fixref.l
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#
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package LinuxDocTools::FixRef;
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# Externally visible variables
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$fixref = {};
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# Initialize: set splitlevel before using rules
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# Usage: &{$fixref->{init}}(<split level>);
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# 0 - super page mode
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# 1 - big page mode
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# 2 - small page mode
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$fixref->{init} = sub {
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$splitlevel = shift;
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};
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# Outputs: Read after using rules
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$fixref->{filenum} = 0; # Count of files we will create
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$fixref->{lrec} = {}; # label -> filenum
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# Package variables
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$chapter_mode = 0; # <report> vs. <article>
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$splitlevel = 0; # See $fixref->{init} above;
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# Automatically reduced by 1 for chapter mode
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# Finalize parsing
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$fixref->{finish} = sub { }; # Do nothing when we're done
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# Ruleset
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$fixref->{rules} = {}; # Individual parsing rules
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$fixref->{defaultrule} = sub { }; # If line does not match any rules
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# Set the rules
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# <@@ssect> - split file if necessary
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$fixref->{rules}->{'^<@@ssect>.*$'} = sub { &splitfile(2); };
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# <@@sect> - split file if necessary
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$fixref->{rules}->{'^<@@sect>.*$'} = sub { &splitfile(1); };
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# <@@chapt> - set chapter mode; reduce splitlevel if needed; split file
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$fixref->{rules}->{'^<@@chapt>.*$'} = sub {
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$splitlevel-- if (!$chapter_mode);
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$chapter_mode = 1; &splitfile(0);
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};
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# <@@label> - Identify label location
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$fixref->{rules}->{'^<@@label>(.*)$'} = sub {
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$fixref->{lrec}->{$1} = $fixref->{filenum};
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};
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#==============================
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# Split the file (-split option; level in parentheses):
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# non-chapter mode: -0 -> don't split
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# -1 -> split at sect (1)
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# -2 -> split at sect (1) and ssect (2)
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# chapter mode: -0 -> split at chapt (0)
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# -1 -> split at chapt (0)
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# -2 -> split at chapt (0) and sect (1)
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sub splitfile
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{
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my ($level) = @_;
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if (($level == 0) || ($splitlevel >= $level)) {
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$fixref->{filenum}++;
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}
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}
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1;
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