mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-23 13:31:49 +00:00
403 lines
9.6 KiB
Perl
403 lines
9.6 KiB
Perl
#! /usr/bin/env perl
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# -*- mode: perl; -*-
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package lyxStatus;
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use strict;
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our(@EXPORT, @ISA);
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BEGIN {
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use Exporter ();
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@ISA = qw(Exporter);
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@EXPORT = qw(initLyxStack checkLyxLine closeLyxStack diestack);
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}
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# Prototypes
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sub initLyxStack($$$);
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sub diestack($);
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sub closeLyxStack();
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sub setMatching($);
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sub getMatching();
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sub checkForEndBlock($);
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sub newMatch(%);
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sub getSearch($);
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sub getFileType($);
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sub getFileIdx($);
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sub getExt($);
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sub getResult($);
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sub checkForHeader($);
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sub checkForPreamble($);
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sub checkForLayoutStart($);
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sub checkForInsetStart($);
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sub checkForLatexCommand($);
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sub checkLyxLine($);
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my @stack = (); # list of HASH-Arrays
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my $rFont = {};
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my $useNonTexFont = "true";
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my $inputEncoding = undef;
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# The elements are:
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# type (layout, inset, header, preamble, ...)
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# name
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# matching list of matching spes
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# search: regular expression
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# ext: list of extensions needed for the full path of the file spec
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# filetype: one of prefix_only,replace_only,copy_only,prefix_for_list,interpret
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# fileidx: index into the resulting array, defining the filename
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# result: conatenation of the elements should reflect the parsed line
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# but first set the modified value into $result->[$fileidx]
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# numerical value will be replaced with appropriate matching group value
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sub initLyxStack($$$)
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{
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$rFont = $_[0];
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if ($_[1] eq "systemF") {
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$useNonTexFont = "true";
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}
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else {
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$useNonTexFont = "false";
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$inputEncoding = $_[2];
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}
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$stack[0] = { type => "Starting"};
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}
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sub diestack($)
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{
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my ($msg) = @_;
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# Print stack
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print "Called stack\n";
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my @call_stack = ();
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for my $depth ( 0 .. 100) {
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#my ($pkg, $file, $line, $subname, $hasargs, $wantarray) = caller($depth)
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my @stack = caller($depth);
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last if ($stack[0] ne "main");
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push(@call_stack, \@stack);
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}
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for my $depth ( 0 .. 100) {
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last if (! defined($call_stack[$depth]));
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my $subname = $call_stack[$depth]->[3];
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my $line = $call_stack[$depth]->[2];
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print "($depth) $subname()";
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if ($depth > 0) {
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my $oldline = $call_stack[$depth-1]->[2];
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print ":$oldline";
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}
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print " called from ";
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if (defined($call_stack[$depth+1])) {
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my $parent = $call_stack[$depth+1]->[3];
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print "$parent():$line\n";
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}
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else {
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my $file = $call_stack[$depth]->[1];
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print "\"$file\":$line\n";
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}
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}
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die($msg);
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}
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sub closeLyxStack()
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{
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diestack("Stack not OK") if ($stack[0]->{type} ne "Starting");
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}
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sub setMatching($)
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{
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my ($match) = @_;
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$stack[0]->{"matching"} = $match;
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}
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sub getMatching()
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{
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return($stack[0]->{"matching"});
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}
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###########################################################
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#
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sub checkForEndBlock($)
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{
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my ($l) = @_;
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for my $et ( qw( layout inset preamble header)) {
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if ($l =~ /^\\end_$et$/) {
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diestack("Not in $et") if ($stack[0]->{type} ne "$et");
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#print "End $et\n";
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shift(@stack);
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return(1);
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}
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}
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return(0);
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}
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sub newMatch(%)
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{
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my %elem = @_;
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if (! defined($elem{"ext"})) {
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$elem{"ext"} = "";
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}
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if (! defined($elem{"filetype"})) {
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$elem{"filetype"} = "prefix_only";
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}
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if (! defined($elem{"fileidx"})) {
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$elem{"fileidx"} = 1;
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}
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diestack("No result defined") if (! defined($elem{"result"}));
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return(\%elem);
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}
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sub getSearch($)
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{
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my ($m) = @_;
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return($m->{"search"});
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}
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sub getFileType($)
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{
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my ($m) = @_;
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return($m->{"filetype"});
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}
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sub getFileIdx($)
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{
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my ($m) = @_;
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return($m->{"fileidx"});
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}
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sub getExt($)
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{
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my ($m) = @_;
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return($m->{"ext"});
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}
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sub getResult($)
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{
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my ($m) = @_;
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return($m->{"result"});
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}
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sub checkForHeader($)
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{
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my ($l) = @_;
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if ($l =~ /^\\begin_header\s*$/) {
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my %selem = ();
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$selem{type} = "header";
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$selem{name} = $1;
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unshift(@stack, \%selem);
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my @rElems = ();
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$rElems[0] = newMatch("search" => '^\\\\master\s+(.*\.lyx)',
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"filetype" => "prefix_only",
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"result" => ["\\master ", ""]);
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if (keys %{$rFont}) {
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for my $ff ( keys %{$rFont}) {
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# fontentry of type '\font_roman default'
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my $elem = newMatch("search" => '^\\\\font_' . $ff . '\s+[^"]*\s*$',
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"filetype" => "replace_only",
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"result" => ["\\font_$ff ", $rFont->{$ff}]);
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# fontentry of type '\font_roman "default"'
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my $elem1 = newMatch("search" => '^\\\\font_' . $ff . '\s+"[^"]*"\s*$',
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"filetype" => "replace_only",
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"result" => ["\\font_$ff \"", $rFont->{$ff}, '"']);
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# fontentry of type '\font_roman "default" "default"'
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my $elem2 = newMatch("search" => '^\\\\font_' . $ff . '\s+"(.*)"\s+"(.*)"\s*$',
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"filetype" => "replace_only",
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"result" => ["\\font_$ff ", '"', "1", '" "', $rFont->{$ff}, '"']);
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push(@rElems, $elem, $elem1, $elem2);
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}
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}
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my $elemntf = newMatch("search" => '^\\\\use_non_tex_fonts\s+(false|true)',
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"filetype" => "replace_only",
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"result" => ["\\use_non_tex_fonts $useNonTexFont"]);
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push(@rElems, $elemntf);
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if (defined($inputEncoding)) {
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my $inputenc = newMatch("search" => '^\\\\inputencoding\s+(' . $inputEncoding->{search} . ')',
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"filetype" => "replace_only",
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"result" => ["\\inputencoding " . $inputEncoding->{out}]);
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push(@rElems, $inputenc);
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}
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setMatching(\@rElems);
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return(1);
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}
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return(0);
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}
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sub checkForPreamble($)
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{
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my ($l) = @_;
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if ($l =~ /^\\begin_preamble\s*$/) {
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my %selem = ();
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$selem{type} = "preamble";
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$selem{name} = $1;
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unshift(@stack, \%selem);
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my $rElem = newMatch("ext" => [".eps", ".png"],
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"search" => '^\\\\(photo|ecvpicture)(.*\{)(.*)\}',
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"fileidx" => 3,
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"result" => ["\\", "1", "2", "3", "}"]);
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setMatching([$rElem]);
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return(1);
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}
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return(0);
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}
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sub checkForLayoutStart($)
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{
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my ($l) = @_;
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if ($l =~ /^\\begin_layout\s+(.*)$/) {
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#print "started layout\n";
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my %selem = ();
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$selem{type} = "layout";
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$selem{name} = $1;
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unshift(@stack, \%selem);
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if ($selem{name} =~ /^(Picture|Photo)$/ ) {
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my $rElem = newMatch("ext" => [".eps", ".png"],
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"search" => '^(.+)',
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"result" => ["", "", ""]);
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setMatching([$rElem]);
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}
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return(1);
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}
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return(0);
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}
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sub checkForInsetStart($)
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{
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my ($l) = @_;
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if ($l =~ /^\\begin_inset\s+(.*)$/) {
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#print "started inset\n";
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my %selem = ();
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$selem{type} = "inset";
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$selem{name} = $1;
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unshift(@stack, \%selem);
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if ($selem{name} =~ /^(Graphics|External)$/) {
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my $rElem = newMatch("search" => '^\s+filename\s+(.+)$',
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"filetype" => "copy_only",
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"result" => ["\tfilename ", "", ""]);
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setMatching([$rElem]);
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}
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return(1);
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}
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return(0);
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}
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sub checkForLatexCommand($)
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{
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my ($l) = @_;
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if ($stack[0]->{type} eq "inset") {
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if ($l =~ /^LatexCommand\s+([^\s]+)\s*$/) {
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my $param = $1;
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if ($stack[0]->{name} =~ /^CommandInset\s+bibtex$/) {
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if ($param eq "bibtex") {
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my $rElem1 = newMatch("ext" => ".bib",
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"filetype" => "prefix_for_list",
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"search" => '^bibfiles\s+\"(.+)\"',
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"result" => ["bibfiles \"", "1", "\""]);
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my $rElem2 = newMatch("ext" => ".bst",
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"filetype" => "prefix_for_list",
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"search" => '^options\s+\"(.+)\"',
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"result" => ["options \"", "1", "\""]);
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setMatching([$rElem1, $rElem2]);
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}
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}
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elsif ($stack[0]->{name} =~ /^CommandInset\s+include$/) {
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if ($param =~ /^(verbatiminput\*?|lstinputlisting)$/) {
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my $rElem = newMatch("search" => '^filename\s+\"(.+)\"',
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"filetype" => "copy_only",
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"result" => ["filename \"", "", "\""]);
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setMatching([$rElem]);
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}
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elsif ($param =~ /^(include|input)$/) {
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my $rElem = newMatch("search" => '^filename\s+\"(.+)\"',
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"filetype" => "interpret",
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"result" => ["filename \"", "", "\""]);
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setMatching([$rElem]);
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}
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}
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}
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}
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return(0);
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}
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#
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# parse the given line
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# returns a hash with folloving values
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# found: 1 if line matched some regex
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# fileidx: index into result
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# ext: list of possible extensions to use for a valid file
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# filelist: list of found file-pathes (may be more then one, e.g. in bibfiles spec)
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# separator: to be used while concatenating the filenames
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# filetype: prefix_only,replace_only,copy_only,interpret
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# same as before, but without 'prefix_for_list'
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sub checkLyxLine($)
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{
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my ($l) = @_;
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return({"found" => 0}) if (checkForHeader($l));
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return({"found" => 0}) if (checkForPreamble($l));
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return({"found" => 0}) if (checkForEndBlock($l));
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return({"found" => 0}) if (checkForLayoutStart($l));
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return({"found" => 0}) if (checkForInsetStart($l));
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return({"found" => 0}) if (checkForLatexCommand($l));
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if (defined($stack[0])) {
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my $rMatch = getMatching();
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for my $m ( @{$rMatch}) {
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my $search = getSearch($m);
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if ($l =~ /$search/) {
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my @matches = ($1, $2, $3, $4);
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my $filetype = getFileType($m);
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my @result2 = @{getResult($m)};
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for my $r (@result2) {
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if ($r =~ /^\d$/) {
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$r = $matches[$r-1];
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}
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}
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if ($filetype eq "replace_only") {
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# No filename needed
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my %result = ("found" => 1,
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"filetype" => $filetype,
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"result" => \@result2);
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return(\%result);
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}
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else {
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my $fileidx = getFileIdx($m);
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my $filename = $matches[$fileidx-1];
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if ($filename !~ /^\.*$/) {
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my %result = ("found" => 1,
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"fileidx" => $fileidx,
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"ext" => getExt($m),
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"result" => \@result2);
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if ($filetype eq "prefix_for_list") {
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# bibfiles|options in CommandInset bibtex
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my @filenames = split(',', $filename);
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$result{"separator"} = ",";
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$result{"filelist"} = \@filenames;
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$result{"filetype"} = "prefix_only";
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}
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else {
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$result{"separator"} = "";
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$result{"filelist"} = [$filename];
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$result{"filetype"} = $filetype;
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}
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return(\%result);
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}
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}
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}
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}
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}
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return({"found" => 0});
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}
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1;
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