1 package SL::Template::LaTeX;
3 use parent qw(SL::Template::Simple);
9 use English qw(-no_match_vars);
12 use List::MoreUtils qw(any);
13 use Unicode::Normalize qw();
20 my $self = $type->SUPER::new(@_);
26 my ($self, $variable) = @_;
28 $variable = $main::locale->quote_special_chars('Template/LaTeX', $variable);
30 # Allow some HTML markup to be converted into the output format's
31 # corresponding markup code, e.g. bold or italic.
32 my %markup_replace = ('b' => 'textbf',
36 foreach my $key (keys(%markup_replace)) {
37 my $new = $markup_replace{$key};
38 $variable =~ s/\$\<\$${key}\$\>\$(.*?)\$<\$\/${key}\$>\$/\\${new}\{$1\}/gi;
41 $variable =~ s/[\x00-\x1f]//g;
47 my ($self, $var, $text, $start_tag, $end_tag, @indices) = @_;
49 my ($form, $new_contents) = ($self->{"form"}, "");
51 my $ary = $self->_get_loop_variable($var, 1, @indices);
55 my ($current_line, $corrent_row) = (0, 1);
56 my $description_array = $self->_get_loop_variable("description", 1);
57 my $longdescription_array = $self->_get_loop_variable("longdescription", 1);
58 my $linetotal_array = $self->_get_loop_variable("linetotal", 1);
60 $form->{TEMPLATE_ARRAYS}->{cumulatelinetotal} = [];
62 # forech block hasn't given us an array. ignore
63 return $new_contents unless ref $ary eq 'ARRAY';
65 for (my $i = 0; $i < scalar(@{$ary}); $i++) {
67 $form->{"__first__"} = $i == 0;
68 $form->{"__last__"} = ($i + 1) == scalar(@{$ary});
69 $form->{"__odd__"} = (($i + 1) % 2) == 1;
70 $form->{"__counter__"} = $i + 1;
72 #everything from here to the next marker should be removed after the release of 2.7.0
73 if ( ref $description_array eq 'ARRAY'
74 && scalar @{$description_array} == scalar @{$ary}
75 && $self->{"chars_per_line"} != 0)
77 my $lines = int(length($description_array->[$i]) / $self->{"chars_per_line"});
80 $description_array->[$i] =~ s/(\\newline\s?)*$//;
81 $lines++ while ($description_array->[$i] =~ m/\\newline/g);
84 if ($current_page == 1) {
85 $lpp = $self->{"lines_on_first_page"};
87 $lpp = $self->{"lines_on_second_page"};
90 # Yes we need a manual page break -- or the user has forced one
91 if ( (($current_line + $lines) > $lpp)
92 || ($description_array->[$i] =~ /<pagebreak>/)
93 || ( ref $longdescription_array eq 'ARRAY'
94 && $longdescription_array->[$i] =~ /<pagebreak>/)) {
95 my $pb = $self->{"pagebreak_block"};
97 # replace the special variables <%sumcarriedforward%>
100 my $psum = $form->format_amount($self->{"myconfig"}, $sum, 2);
101 $pb =~ s/$self->{tag_start_qm}sumcarriedforward$self->{tag_end_qm}/$psum/g;
102 $pb =~ s/$self->{tag_start_qm}lastpage$self->{tag_end_qm}/$current_page/g;
104 my $new_text = $self->parse_block($pb, (@indices, $i));
105 return undef unless (defined($new_text));
106 $new_contents .= $new_text;
111 $current_line += $lines;
113 #stop removing code here.
115 if ( ref $linetotal_array eq 'ARRAY'
116 && $i < scalar(@{$linetotal_array})) {
117 $sum += $form->parse_amount($self->{"myconfig"}, $linetotal_array->[$i]);
120 $form->{TEMPLATE_ARRAYS}->{cumulatelinetotal}->[$i] = $form->format_amount($self->{"myconfig"}, $sum, 2);
122 my $new_text = $self->parse_block($text, (@indices, $i));
123 return undef unless (defined($new_text));
124 $new_contents .= $start_tag . $new_text . $end_tag;
126 map({ delete($form->{"__${_}__"}); } qw(first last odd counter));
128 return $new_contents;
132 my ($self, $text, $pos, $var, $not) = @_;
134 my $tag_start_len = length $self->{tag_start};
137 $pos = 0 unless ($pos);
139 while ($pos < length($text)) {
142 next if (substr($text, $pos - 1, length($self->{tag_start})) ne $self->{tag_start});
144 my $keyword_pos = $pos - 1 + $tag_start_len;
146 if ((substr($text, $keyword_pos, 2) eq 'if') || (substr($text, $keyword_pos, 7) eq 'foreach')) {
149 } elsif ((substr($text, $keyword_pos, 4) eq 'else') && (1 == $depth)) {
152 "$self->{tag_start}else$self->{tag_end} outside of "
153 . "$self->{tag_start}if$self->{tag_end} / "
154 . "$self->{tag_start}ifnot$self->{tag_end}.";
158 my $block = substr($text, 0, $pos - 1);
159 substr($text, 0, $pos - 1) = "";
160 $text =~ s!^$self->{tag_start_qm}.+?$self->{tag_end_qm}!!;
161 $text = $self->{tag_start} . 'if' . ($not ? " " : "not ") . $var . $self->{tag_end} . $text;
163 return ($block, $text);
165 } elsif (substr($text, $keyword_pos, 3) eq 'end') {
168 my $block = substr($text, 0, $pos - 1);
169 substr($text, 0, $pos - 1) = "";
170 $text =~ s!^$self->{tag_start_qm}.+?$self->{tag_end_qm}!!;
172 return ($block, $text);
181 $main::lxdebug->enter_sub();
183 my ($self, $contents, @indices) = @_;
185 my $new_contents = "";
187 while ($contents ne "") {
188 my $pos_if = index($contents, $self->{tag_start} . 'if');
189 my $pos_foreach = index($contents, $self->{tag_start} . 'foreach');
191 if ((-1 == $pos_if) && (-1 == $pos_foreach)) {
192 $new_contents .= $self->substitute_vars($contents, @indices);
196 if ((-1 == $pos_if) || ((-1 != $pos_foreach) && ($pos_if > $pos_foreach))) {
197 $new_contents .= $self->substitute_vars(substr($contents, 0, $pos_foreach), @indices);
198 substr($contents, 0, $pos_foreach) = "";
200 if ($contents !~ m|^$self->{tag_start_qm}foreach (.+?)$self->{tag_end_qm}|) {
201 $self->{"error"} = "Malformed $self->{tag_start}foreach$self->{tag_end}.";
202 $main::lxdebug->leave_sub();
208 substr($contents, 0, length($&)) = "";
211 ($block, $contents) = $self->find_end($contents);
213 $self->{"error"} = "Unclosed $self->{tag_start}foreach$self->{tag_end}." unless ($self->{"error"});
214 $main::lxdebug->leave_sub();
218 my $new_text = $self->parse_foreach($var, $block, "", "", @indices);
219 if (!defined($new_text)) {
220 $main::lxdebug->leave_sub();
223 $new_contents .= $new_text;
226 if (!$self->_parse_block_if(\$contents, \$new_contents, $pos_if, @indices)) {
227 $main::lxdebug->leave_sub();
233 $main::lxdebug->leave_sub();
235 return $new_contents;
238 sub parse_first_line {
240 my $line = shift || "";
242 if ($line =~ m/([^\s]+)set-tag-style([^\s]+)/) {
244 $self->{error} = "The tag start and end markers must not be equal.";
248 $self->set_tag_style($1, $2);
254 sub _parse_config_option {
261 my ($key, $value) = split m/\s*=\s*/, $line, 2;
263 if ($key eq 'tag-style') {
264 $self->set_tag_style(split(m/\s+/, $value, 2));
266 if ($key eq 'use-template-toolkit') {
267 $self->set_use_template_toolkit($value);
271 sub _parse_config_lines {
275 my ($comment_start, $comment_end) = ("", "");
277 if (ref $self eq 'SL::Template::LaTeX') {
278 $comment_start = '\s*%';
279 } elsif (ref $self eq 'SL::Template::HTML') {
280 $comment_start = '\s*<!--';
281 $comment_end = '(?:--)?>\s*';
283 $comment_start = '\s*\#';
286 my $num_lines = scalar @{ $lines };
289 while ($i < $num_lines) {
290 my $line = $lines->[$i];
292 if ($line !~ m/^${comment_start}\s*config\s*:(.*?)${comment_end}$/i) {
297 $self->_parse_config_option($1);
298 splice @{ $lines }, $i, 1;
303 sub _force_mandatory_packages {
307 my (%used_packages, $document_start_line, $last_usepackage_line);
309 foreach my $i (0 .. scalar @{ $lines } - 1) {
310 if ($lines->[$i] =~ m/\\usepackage[^\{]*{(.*?)}/) {
311 $used_packages{$1} = 1;
312 $last_usepackage_line = $i;
314 } elsif ($lines->[$i] =~ m/\\begin\{document\}/) {
315 $document_start_line = $i;
321 my $insertion_point = defined($document_start_line) ? $document_start_line
322 : defined($last_usepackage_line) ? $last_usepackage_line
323 : scalar @{ $lines } - 1;
325 foreach my $package (qw(textcomp)) {
326 next if $used_packages{$package};
327 splice @{ $lines }, $insertion_point, 0, "\\usepackage{${package}}\n";
335 my $form = $self->{"form"};
337 if (!open(IN, "$form->{templates}/$form->{IN}")) {
338 $self->{"error"} = "$form->{templates}/$form->{IN}: $!";
345 $self->_parse_config_lines(\@lines);
346 $self->_force_mandatory_packages(\@lines) if (ref $self eq 'SL::Template::LaTeX');
348 my $contents = join("", @lines);
350 # detect pagebreak block and its parameters
351 if ($contents =~ /$self->{tag_start_qm}pagebreak\s+(\d+)\s+(\d+)\s+(\d+)\s*$self->{tag_end_qm}(.*?)$self->{tag_start_qm}end(\s*pagebreak)?$self->{tag_end_qm}/s) {
352 $self->{"chars_per_line"} = $1;
353 $self->{"lines_on_first_page"} = $2;
354 $self->{"lines_on_second_page"} = $3;
355 $self->{"pagebreak_block"} = $4;
357 substr($contents, length($`), length($&)) = "";
360 $self->{"forced_pagebreaks"} = [];
363 if ($self->{use_template_toolkit}) {
364 if ($self->{custom_tag_style}) {
365 $contents = "[% TAGS $self->{tag_start} $self->{tag_end} %]\n" . $contents;
368 $::form->init_template->process(\$contents, $form, \$new_contents) || die $::form->template->error;
370 $new_contents = $self->parse_block($contents);
372 if (!defined($new_contents)) {
373 $main::lxdebug->leave_sub();
377 binmode OUT, ":utf8";
378 print OUT Unicode::Normalize::normalize('C', $new_contents);
380 if ($form->{"format"} =~ /postscript/i) {
381 return $self->convert_to_postscript();
382 } elsif ($form->{"format"} =~ /pdf/i) {
383 return $self->convert_to_pdf();
389 sub convert_to_postscript {
391 my ($form, $userspath) = ($self->{"form"}, $self->{"userspath"});
393 # Convert the tex file to postscript
394 local $ENV{TEXINPUTS} = ".:" . $form->{cwd} . "/" . $form->{templates} . ":" . $ENV{TEXINPUTS};
396 if (!chdir("$userspath")) {
397 $self->{"error"} = "chdir : $!";
402 $form->{tmpfile} =~ s/\Q$userspath\E\///g;
404 my $latex = $self->_get_latex_path();
405 my $old_home = $ENV{HOME};
406 my $old_openin_any = $ENV{openin_any};
407 $ENV{HOME} = $userspath =~ m|^/| ? $userspath : getcwd();
408 $ENV{openin_any} = "p";
410 for (my $run = 1; $run <= 2; $run++) {
411 system("${latex} --interaction=nonstopmode $form->{tmpfile} " .
412 "> $form->{tmpfile}.err");
414 $ENV{HOME} = $old_home;
415 $ENV{openin_any} = $old_openin_any;
416 $self->{"error"} = $form->cleanup($latex);
421 $form->{tmpfile} =~ s/tex$/dvi/;
423 system("dvips $form->{tmpfile} -o -q > /dev/null");
424 $ENV{HOME} = $old_home;
425 $ENV{openin_any} = $old_openin_any;
428 $self->{"error"} = "dvips : $!";
429 $self->cleanup('dvips');
432 $form->{tmpfile} =~ s/dvi$/ps/;
441 my ($form, $userspath) = ($self->{"form"}, $self->{"userspath"});
443 # Convert the tex file to PDF
444 local $ENV{TEXINPUTS} = ".:" . $form->{cwd} . "/" . $form->{templates} . ":" . $ENV{TEXINPUTS};
446 if (!chdir("$userspath")) {
447 $self->{"error"} = "chdir : $!";
452 $form->{tmpfile} =~ s/\Q$userspath\E\///g;
454 my $latex = $self->_get_latex_path();
455 my $old_home = $ENV{HOME};
456 my $old_openin_any = $ENV{openin_any};
457 $ENV{HOME} = $userspath =~ m|^/| ? $userspath : getcwd();
458 $ENV{openin_any} = "p";
460 for (my $run = 1; $run <= 2; $run++) {
461 system("${latex} --interaction=nonstopmode $form->{tmpfile} " .
462 "> $form->{tmpfile}.err");
464 $ENV{HOME} = $old_home;
465 $ENV{openin_any} = $old_openin_any;
466 $self->{error} = $form->cleanup($latex);
471 $ENV{HOME} = $old_home;
472 $ENV{openin_any} = $old_openin_any;
473 $form->{tmpfile} =~ s/tex$/pdf/;
480 sub _get_latex_path {
481 return $::lx_office_conf{applications}->{latex} || 'pdflatex';
484 sub get_mime_type() {
487 if ($self->{"form"}->{"format"} =~ /postscript/i) {
488 return "application/postscript";
490 return "application/pdf";
498 sub parse_and_create_pdf {
499 my ($class, $template_file_name, %params) = @_;
501 my $keep_temp = $::lx_office_conf{debug} && $::lx_office_conf{debug}->{keep_temp_files};
502 my ($tex_fh, $tex_file_name) = File::Temp::tempfile(
503 'kivitendo-printXXXXXX',
505 DIR => $::lx_office_conf{paths}->{userspath},
506 UNLINK => $keep_temp ? 0 : 1,,
509 my $old_wd = getcwd();
511 my $local_form = Form->new('');
512 $local_form->{cwd} = $old_wd;
513 $local_form->{IN} = $template_file_name;
514 $local_form->{tmpdir} = $::lx_office_conf{paths}->{userspath};
515 $local_form->{tmpfile} = $tex_file_name;
516 $local_form->{templates} = SL::DB::Default->get->templates;
518 foreach (keys %params) {
519 croak "The parameter '$_' must not be used." if exists $local_form->{$_};
520 $local_form->{$_} = $params{$_};
525 my $template = SL::Template::LaTeX->new($template_file_name, $local_form, \%::myconfig, $::lx_office_conf{paths}->{userspath});
526 my $result = $template->parse($tex_fh) && $template->convert_to_pdf;
528 die $template->{error} unless $result;
531 } or do { $error = $EVAL_ERROR; };
537 chmod(((stat $tex_file_name)[2] & 07777) | 0660, $tex_file_name);
539 my $tmpfile = $tex_file_name;
540 $tmpfile =~ s/\.\w+$//;
541 unlink(grep { !m/\.pdf$/ } <$tmpfile.*>);
544 return (error => $error) if $error;
545 return (file_name => do { $tex_file_name =~ s/tex$/pdf/; $tex_file_name });