mirror of
https://git.lyx.org/repos/lyx.git
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169 lines
4.6 KiB
Perl
169 lines
4.6 KiB
Perl
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#!/usr/bin/perl -w
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# Note! If your perl isn't in /usr/bin/perl, change the line above.
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# (Or say "perl Doc_toc.pl" instead of just "Doc_toc.pl")
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#
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# This script creates a "master table of contents" for a set of LyX docs.
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# It does so by going through the files and printing out all of the
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# chapter, section, and sub(sub)section headings out. (It numbers the
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# sections sequentially; hopefully noone's using Section* in the docs.)
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# ./Doc_toc.pl TOC_top/TOC_top.lyx Intro.lyx FAQ.lyx Tutorial.lyx UserGuide.lyx Extended.lyx Customization.lyx >TOC.lyx
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# The script tries hard to ignore Footnotes, Notes; ERT and labels in section
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# headings. There is even some code to handle nested insets, but no doubt it
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# can break on some files. The emphasis has been put on working with current
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# docs.
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use strict;
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my $Usage = <<ENDUSAGE;
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$0 Toc_Top_File Doc [Doc ...]
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* Docs are LyX docs to be TOC-ified
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* All information up to and including the TOC doc title is in a
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language-specific file Toc_Top_File
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ENDUSAGE
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my $printing = 0; # are we currently supposed to be copying input to STDOUT?
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my @LyX_classes = qw (Chapter Section Subsection Subsubsection);
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my $Toc_Top_File = shift;
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# Get document header from language-specific TOC_top
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open(HEAD, "<$Toc_Top_File") or die $!;
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while (<HEAD>) {
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last if /\\the_end/; # don't print last line!
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print;
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}
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close HEAD;
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# loop through files; print out headers
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my @matches;
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my $level;
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my $match = "";
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my $sub_match;
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my $ignore = 0; # ignore lines (e.g. footnote in a heading)
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my @sec_counter;
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while (<>) {
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# first few lines of the file
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unless (@matches) {
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if (/^\\textclass (\w+)/) {
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# Hopefully it's book, report, or article
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my $class = $1;
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@matches = @LyX_classes;
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# Article doesn't have Chapters
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if ($class eq "article") {
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shift @matches;
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}
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$match = $matches[0];
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$sub_match = $matches[1];
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}
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next;
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}
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# Footnotes in a section heading could confuse things!
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# And don't bother printing out section labels.
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if (/^\\begin_float footnote/
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|| /^\\begin_inset OptArg/
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|| /^\\begin_inset (Foot|Note|ERT|LatexCommand \\label)/) {
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$ignore++;
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}
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elsif ($ignore && /^\\begin_inset/ ) {
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$ignore++;
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}
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# Unset ignoring. But note that end_inset could be the end of another
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# kind of inset!
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if ($ignore && /^\\end_(float|inset)/) {
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$ignore--;
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next; # don't print out \end_float line
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}
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next if $ignore;
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# Now actually handle title & section headings
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if (/^\\layout\s+(\w+)/) {
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my $layout = $1;
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my $found = 0; # did we find the start of a heading?
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if ($layout eq "Title") {
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$found = 1;
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@sec_counter = scalar(@matches) x (0); # (re)start section counters
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print "\\layout Section*\n";
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} else {
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my $level;
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foreach $level (0 .. $#matches) {
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if ($layout eq $matches[$level]) {
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# If this is the first subsection of this level,
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# start nesting. Top level (level 0) needs no nesting
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if ($level && !$sec_counter[$level]) {
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print "\\begin_deeper\n";
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}
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# A new section ends any sub- or subsubsections
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# below it, etc.
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# (Make sure to do this before calling §ion_number!
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my $sublevel;
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foreach $sublevel ($level+1 .. $#sec_counter) {
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if ($sec_counter[$sublevel]) {
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print "\\end_deeper\n";
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$sec_counter[$sublevel] = 0;
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}
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}
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$found = 1;
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$sec_counter[$level]++;
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my $sec = §ion_number (@sec_counter);
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print "\\layout Description\n$sec ";
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last; # don't need to try any more matches
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}
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}
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}
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# If we found "Title" or one of the section layouts, then we're
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# in a section header. Otherwise, this \layout command ENDS any section
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# we might have been in before.
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$printing = $found;
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# Rare case of a section header w/ no text after it at the end of a file
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} elsif (/^\\the_end/) {
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$printing = 0; # obviously we're not in the section header any more!
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} else {
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print if $printing;
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}
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# Cleanup at the end of each file
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if (eof) {
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# Finish nesting subsections
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# I.e., if we had any subsections in this section, end subsectioning
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my $level;
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foreach $level (1 .. $#sec_counter) {
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if ($sec_counter[$level]) {
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print "\\end_deeper\n";
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}
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}
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# So that on next file we check whether it's an article or book
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@matches = ();
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}
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}
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print "\n\\the_end\n";
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# Make a (nested) section number
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# Input is current section numbers
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sub section_number {
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my $number = shift; # Highest level section counter
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my $index;
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foreach $index (@_) {
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if ($index) {
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$number .= ".$index";
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} else {
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# Done creating the number
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last;
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}
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}
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return $number;
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}
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