projekt kivitendo

#

#

#    NOTE: strict checks are package global. don't check this file

#            with perl -sc, it will only capture SimpleTemplate

#

#

package SimpleTemplate;

# Parameters:

#   1. The template's file name

#   2. A reference to the Form object

#   3. A reference to the myconfig hash

#

# Returns:

#   A new template object

sub new {

  my $type = shift;

  my $self = {};

  bless($self, $type);

  $self->_init(@_);

  return $self;

}

sub _init {

  my $self = shift;

  $self->{source}    = shift;

  $self->{form}      = shift;

  $self->{myconfig}  = shift;

  $self->{userspath} = shift;

  $self->{error}     = undef;

  $self->{quot_re}   = '"';

  $self->set_tag_style('<%', '%>');

}

sub set_tag_style {

  my $self                    = shift;

  my $tag_start               = shift;

  my $tag_end                 = shift;

  $self->{tag_start}          = $tag_start;

  $self->{tag_end}            = $tag_end;

  $self->{tag_start_qm}       = quotemeta $tag_start;

  $self->{tag_end_qm}         = quotemeta $tag_end;

  $self->{substitute_vars_re} = "$self->{tag_start_qm}(.+?)$self->{tag_end_qm}";

}

sub cleanup {

  my ($self) = @_;

}

# Parameters:

#   1. A typeglob for the file handle. The output will be written

#      to this file handle.

#

# Returns:

#   1 on success and undef or 0 if there was an error. In the latter case

#   the calling function can retrieve the error message via $obj->get_error()

sub parse {

  my $self = $_[0];

  local *OUT = $_[1];

  print(OUT "Hallo!\n");

}

sub get_error {

  my $self = shift;

  return $self->{"error"};

}

sub uses_temp_file {

  return 0;

}

sub _get_loop_variable {

  my $self      = shift;

  my $var       = shift;

  my $get_array = shift;

  my @indices   = @_;

  my $form      = $self->{form};

  my $value;

  if (($get_array || @indices) && (ref $form->{TEMPLATE_ARRAYS} eq 'HASH') && (ref $form->{TEMPLATE_ARRAYS}->{$var} eq 'ARRAY')) {

    $value = $form->{TEMPLATE_ARRAYS}->{$var};

  } else {

    $value = $form->{$var};

  }

  for (my $i = 0; $i < scalar(@indices); $i++) {

    last unless (ref($value) eq "ARRAY");

    $value = $value->[$indices[$i]];

  }

  return $value;

}

sub substitute_vars {

  my ($self, $text, @indices) = @_;

  my $form = $self->{"form"};

  while ($text =~ /$self->{substitute_vars_re}/) {

    my ($tag_pos, $tag_len) = ($-[0], $+[0] - $-[0]);

    my ($var, @options)     = split(/\s+/, $1);

    my $value               = $self->_get_loop_variable($var, 0, @indices);

    $value                  = $self->format_string($value) unless (grep(/^NOESCAPE$/, @options));

    substr($text, $tag_pos, $tag_len, $value);

  }

  return $text;

}

sub _parse_block_if {

  $main::lxdebug->enter_sub();

  my $self         = shift;

  my $contents     = shift;

  my $new_contents = shift;

  my $pos_if       = shift;

  my @indices      = @_;

  $$new_contents .= $self->substitute_vars(substr($$contents, 0, $pos_if), @indices);

  substr($$contents, 0, $pos_if) = "";

  if ($$contents !~ m/^$self->{tag_start_qm}if

                     \s*

                     (not\b|\!)?           # $1 -- Eventuelle Negierung

                     \s+

                     (\b.+?\b)             # $2 -- Name der zu ?berpr?fenden Variablen

                     (                     # $3 -- Beginn des optionalen Vergleiches

                       \s*

                       ([!=])              # $4 -- Negierung des Vergleiches speichern

                       ([=~])              # $5 -- Art des Vergleiches speichern

                       \s*

                       (                   # $6 -- Gequoteter String oder Bareword

                         $self->{quot_re}

                         (.*?)(?<!\\)      # $7 -- Gequoteter String -- direkter Vergleich mit eq bzw. ne oder Patternmatching; Escapete Anf?hrungs als Teil des Strings belassen

                         $self->{quot_re}

                       |

                         (\b.+?\b)         # $8 -- Bareword -- als Index f?r $form benutzen

                       )

                     )?

                     \s*

                     $self->{tag_end_qm}

                    /x) {

    $self->{"error"} = "Malformed $self->{tag_start}if$self->{tag_end}.";

    $main::lxdebug->leave_sub();

    return undef;

  }

  my $not           = $1;

  my $var           = $2;

  my $operator_neg  = $4; # '=' oder '!' oder undef, wenn kein Vergleich erkannt

  my $operator_type = $5; # '=' oder '~' f?r Stringvergleich oder Regex

  my $quoted_word   = $7; # nur g?ltig, wenn quoted string angegeben (siehe unten); dann "value" aus <%if var == "value" %>

  my $bareword      = $8; # undef, falls quoted string angegeben wurde; andernfalls "othervar" aus <%if var == othervar %>

  $not = !$not if ($operator_neg && $operator_neg eq '!');

  substr($$contents, 0, length($&)) = "";

  my $block;

  ($block, $$contents) = $self->find_end($$contents, 0, $var, $not);

  if (!$block) {

    $self->{"error"} = "Unclosed $self->{tag_start}if$self->{tag_end}." unless ($self->{"error"});

    $main::lxdebug->leave_sub();

    return undef;

  }

  my $value = $self->_get_loop_variable($var, 0, @indices);

  my $hit   = 0;

  if ($operator_type) {

    my $compare_to = $bareword ? $self->_get_loop_variable($bareword, 0, @indices) : $quoted_word;

    if ($operator_type eq '=') {

      $hit         = ($not && !($value eq $compare_to))     || (!$not && ($value eq $compare_to));

    } else {

      $hit         = ($not && !($value =~ m/$compare_to/i)) || (!$not && ($value =~ m/$compare_to/i));

    }

  } else {

    $hit           = ($not && ! $value)                     || (!$not &&  $value);

  }

  if ($hit) {

    my $new_text = $self->parse_block($block, @indices);

    if (!defined($new_text)) {

      $main::lxdebug->leave_sub();

      return undef;

    }

    $$new_contents .= $new_text;

  }

  $main::lxdebug->leave_sub();

  return 1;

}

1;

####

#### LaTeXTemplate

####

package LaTeXTemplate;

use vars qw(@ISA);

@ISA = qw(SimpleTemplate);

use strict;

sub new {

  my $type = shift;

  my $self = $type->SUPER::new(@_);

  return $self;

}

sub format_string {

  my ($self, $variable) = @_;

  my $form = $self->{"form"};

  $variable = $main::locale->quote_special_chars('Template/LaTeX', $variable);

  # Allow some HTML markup to be converted into the output format's

  # corresponding markup code, e.g. bold or italic.

  my %markup_replace = ('b' => 'textbf',

                        'i' => 'textit',

                        'u' => 'underline');

  foreach my $key (keys(%markup_replace)) {

    my $new = $markup_replace{$key};

    $variable =~ s/\$\<\$${key}\$\>\$(.*?)\$<\$\/${key}\$>\$/\\${new}\{$1\}/gi;

  }

  $variable =~ s/[\x00-\x1f]//g;

  return $variable;

}

sub parse_foreach {

  my ($self, $var, $text, $start_tag, $end_tag, @indices) = @_;

  my ($form, $new_contents) = ($self->{"form"}, "");

  my $ary = $self->_get_loop_variable($var, 1, @indices);

  my $sum                          = 0;

  my $current_page                 = 1;

  my ($current_line, $corrent_row) = (0, 1);

  my $description_array            = $self->_get_loop_variable("description",     1);

  my $longdescription_array        = $self->_get_loop_variable("longdescription", 1);

  my $linetotal_array              = $self->_get_loop_variable("linetotal",       1);

  $form->{TEMPLATE_ARRAYS}->{cumulatelinetotal} = [];

  # forech block hasn't given us an array. ignore

  return $new_contents unless ref $ary eq 'ARRAY';

  for (my $i = 0; $i < scalar(@{$ary}); $i++) {

    # do magic markers

    $form->{"__first__"}   = $i == 1;

    $form->{"__last__"}    = ($i + 1) == scalar(@{$ary});

    $form->{"__odd__"}     = (($i + 1) % 2) == 1;

    $form->{"__counter__"} = $i + 1;

    if (   ref $description_array       eq 'ARRAY'

        && scalar @{$description_array} == scalar @{$ary}

        && $self->{"chars_per_line"}    != 0)

    {

      my $lines = int(length($description_array->[$i]) / $self->{"chars_per_line"});

      my $lpp;

      $description_array->[$i] =~ s/(\\newline\s?)*$//;

      $lines++ while ($description_array->[$i] =~ m/\\newline/g);

      $lines++;

      if ($current_page == 1) {

        $lpp = $self->{"lines_on_first_page"};

      } else {

        $lpp = $self->{"lines_on_second_page"};

      }

      # Yes we need a manual page break -- or the user has forced one

      if (   (($current_line + $lines) > $lpp)

          || ($description_array->[$i]     =~ /<pagebreak>/)

          || (   ref $longdescription_array eq 'ARRAY'

              && $longdescription_array->[$i] =~ /<pagebreak>/)) {

        my $pb = $self->{"pagebreak_block"};

        # replace the special variables <%sumcarriedforward%>

        # and <%lastpage%>

        my $psum = $form->format_amount($self->{"myconfig"}, $sum, 2);

        $pb =~ s/$self->{tag_start_qm}sumcarriedforward$self->{tag_end_qm}/$psum/g;

        $pb =~ s/$self->{tag_start_qm}lastpage$self->{tag_end_qm}/$current_page/g;

        my $new_text = $self->parse_block($pb, (@indices, $i));

        return undef unless (defined($new_text));

        $new_contents .= $new_text;

        $current_page++;

        $current_line = 0;

      }

      $current_line += $lines;

    }

    if (   ref $linetotal_array eq 'ARRAY'

        && $i < scalar(@{$linetotal_array})) {

      $sum += $form->parse_amount($self->{"myconfig"}, $linetotal_array->[$i]);

    }

    $form->{TEMPLATE_ARRAYS}->{cumulatelinetotal}->[$i] = $form->format_amount($self->{"myconfig"}, $sum, 2);

    my $new_text = $self->parse_block($text, (@indices, $i));

    return undef unless (defined($new_text));

    $new_contents .= $start_tag . $new_text . $end_tag;

  }

  map({ delete($form->{"__${_}__"}); } qw(first last odd counter));

  return $new_contents;

}

sub find_end {

  my ($self, $text, $pos, $var, $not) = @_;

  my $tag_start_len = length $self->{tag_start};

  my $depth = 1;

  $pos = 0 unless ($pos);

  while ($pos < length($text)) {

    $pos++;

    next if (substr($text, $pos - 1, length($self->{tag_start})) ne $self->{tag_start});

    my $keyword_pos = $pos - 1 + $tag_start_len;

    if ((substr($text, $keyword_pos, 2) eq 'if') || (substr($text, $keyword_pos, 3) eq 'for')) {

      $depth++;

    } elsif ((substr($text, $keyword_pos, 4) eq 'else') && (1 == $depth)) {

      if (!$var) {

        $self->{"error"} =

            "$self->{tag_start}else$self->{tag_end} outside of "

          . "$self->{tag_start}if$self->{tag_end} / "

          . "$self->{tag_start}ifnot$self->{tag_end}.";

        return undef;

      }

      my $block = substr($text, 0, $pos - 1);

      substr($text, 0, $pos - 1) = "";

      $text =~ s!^$self->{tag_start_qm}.+?$self->{tag_end_qm}!!;

      $text =  $self->{tag_start} . 'if' . ($not ?  " " : "not ") . $var . $self->{tag_end} . $text;

      return ($block, $text);

    } elsif (substr($text, $keyword_pos, 3) eq 'end') {

      $depth--;

      if ($depth == 0) {

        my $block = substr($text, 0, $pos - 1);

        substr($text, 0, $pos - 1) = "";

        $text =~ s!^$self->{tag_start_qm}.+?$self->{tag_end_qm}!!;

        return ($block, $text);

      }

    }

  }

  return undef;

}

sub parse_block {

  $main::lxdebug->enter_sub();

  my ($self, $contents, @indices) = @_;

  my $new_contents = "";

  while ($contents ne "") {

    my $pos_if      = index($contents, $self->{tag_start} . 'if');

    my $pos_foreach = index($contents, $self->{tag_start} . 'foreach');

    if ((-1 == $pos_if) && (-1 == $pos_foreach)) {

      $new_contents .= $self->substitute_vars($contents, @indices);

      last;

    }

    if ((-1 == $pos_if) || ((-1 != $pos_foreach) && ($pos_if > $pos_foreach))) {

      $new_contents .= $self->substitute_vars(substr($contents, 0, $pos_foreach), @indices);

      substr($contents, 0, $pos_foreach) = "";

      if ($contents !~ m|^$self->{tag_start_qm}foreach (.+?)$self->{tag_end_qm}|) {

        $self->{"error"} = "Malformed $self->{tag_start}foreach$self->{tag_end}.";

        $main::lxdebug->leave_sub();

        return undef;

      }

      my $var = $1;

      substr($contents, 0, length($&)) = "";

      my $block;

      ($block, $contents) = $self->find_end($contents);

      if (!$block) {

        $self->{"error"} = "Unclosed $self->{tag_start}foreach$self->{tag_end}." unless ($self->{"error"});

        $main::lxdebug->leave_sub();

        return undef;

      }

      my $new_text = $self->parse_foreach($var, $block, "", "", @indices);

      if (!defined($new_text)) {

        $main::lxdebug->leave_sub();

        return undef;

      }

      $new_contents .= $new_text;

    } else {

      if (!$self->_parse_block_if(\$contents, \$new_contents, $pos_if, @indices)) {

        $main::lxdebug->leave_sub();

        return undef;

      }

    }

  }

  $main::lxdebug->leave_sub();

  return $new_contents;

}

sub parse_first_line {

  my $self = shift;

  my $line = shift || "";

  if ($line =~ m/([^\s]+)set-tag-style([^\s]+)/) {

    if ($1 eq $2) {

      $self->{error} = "The tag start and end markers must not be equal.";

      return 0;

    }

    $self->set_tag_style($1, $2);

  }

  return 1;

}

sub _parse_config_option {

  my $self = shift;

  my $line = shift;

  $line =~ s/^\s*//;

  $line =~ s/\s*$//;

  my ($key, $value) = split m/\s*=\s*/, $line, 2;

  if ($key eq 'tag-style') {

    $self->set_tag_style(split(m/\s+/, $value, 2));

  }

}

sub _parse_config_lines {

  my $self  = shift;

  my $lines = shift;

  my ($comment_start, $comment_end) = ("", "");

  if (ref $self eq 'LaTeXTemplate') {

    $comment_start = '\s*%';

  } elsif (ref $self eq 'HTMLTemplate') {

    $comment_start = '\s*<!--';

    $comment_end   = '>\s*';

  } else {

    $comment_start = '\s*\#';

  }

  my $num_lines = scalar @{ $lines };

  my $i         = 0;

  while ($i < $num_lines) {

    my $line = $lines->[$i];

    if ($line !~ m/^${comment_start}\s*config\s*:(.*)${comment_end}$/i) {

      $i++;

      next;

    }

    $self->_parse_config_option($1);

    splice @{ $lines }, $i, 1;

    $num_lines--;

  }

}

sub _force_mandatory_packages {

  my $self  = shift;

  my $lines = shift;

  my (%used_packages, $document_start_line);

  foreach my $i (0 .. scalar @{ $lines } - 1) {

    if ($lines->[$i] =~ m/\\usepackage[^\{]*{(.*?)}/) {

      $used_packages{$1} = 1;

    } elsif ($lines->[$i] =~ m/\\begin{document}/) {

      $document_start_line = $i;

      last;

    }

  }

  $document_start_line = scalar @{ $lines } - 1 if (!defined $document_start_line);

  if (!$used_packages{textcomp}) {

    splice @{ $lines }, $document_start_line, 0, "\\usepackage{textcomp}\n";

    $document_start_line++;

  }

}

sub parse {

  my $self = $_[0];

  local *OUT = $_[1];

  my $form = $self->{"form"};

  if (!open(IN, "$form->{templates}/$form->{IN}")) {

    $self->{"error"} = "$!";

    return 0;

  }

  my @lines = <IN>;

  close(IN);

  $self->_parse_config_lines(\@lines);

  $self->_force_mandatory_packages(\@lines) if (ref $self eq 'LaTeXTemplate');

  my $contents = join("", @lines);

  # detect pagebreak block and its parameters

  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) {

    $self->{"chars_per_line"} = $1;

    $self->{"lines_on_first_page"} = $2;

    $self->{"lines_on_second_page"} = $3;

    $self->{"pagebreak_block"} = $4;

    substr($contents, length($`), length($&)) = "";

  }

  $self->{"forced_pagebreaks"} = [];

  my $new_contents = $self->parse_block($contents);

  if (!defined($new_contents)) {

    $main::lxdebug->leave_sub();

    return 0;

  }

  print(OUT $new_contents);

  if ($form->{"format"} =~ /postscript/i) {

    return $self->convert_to_postscript();

  } elsif ($form->{"format"} =~ /pdf/i) {

    return $self->convert_to_pdf();

  } else {

    return 1;

  }

}

sub convert_to_postscript {

  my ($self) = @_;

  my ($form, $userspath) = ($self->{"form"}, $self->{"userspath"});

  # Convert the tex file to postscript

  if (!chdir("$userspath")) {

    $self->{"error"} = "chdir : $!";

    $self->cleanup();

    return 0;

  }

  $form->{tmpfile} =~ s/\Q$userspath\E\///g;

  my $latex = $self->_get_latex_path();

  for (my $run = 1; $run <= 2; $run++) {

    system("${latex} --interaction=nonstopmode $form->{tmpfile} " .

           "> $form->{tmpfile}.err");

    if ($?) {

      $self->{"error"} = $form->cleanup();

      $self->cleanup();

      return 0;

    }

  }

  $form->{tmpfile} =~ s/tex$/dvi/;

  system("dvips $form->{tmpfile} -o -q > /dev/null");

  if ($?) {

    $self->{"error"} = "dvips : $!";

    $self->cleanup();

    return 0;

  }

  $form->{tmpfile} =~ s/dvi$/ps/;

  $self->cleanup();

  return 1;

}

sub convert_to_pdf {

  my ($self) = @_;

  my ($form, $userspath) = ($self->{"form"}, $self->{"userspath"});

  # Convert the tex file to PDF

  if (!chdir("$userspath")) {

    $self->{"error"} = "chdir : $!";

    $self->cleanup();

    return 0;

  }

  $form->{tmpfile} =~ s/\Q$userspath\E\///g;

  my $latex = $self->_get_latex_path();

  for (my $run = 1; $run <= 2; $run++) {

    system("${latex} --interaction=nonstopmode $form->{tmpfile} " .

           "> $form->{tmpfile}.err");

    if ($?) {

      $self->{"error"} = $form->cleanup();

      $self->cleanup();

      return 0;

    }

  }

  $form->{tmpfile} =~ s/tex$/pdf/;

  $self->cleanup();

}

sub _get_latex_path {

  return $main::latex_bin || 'pdflatex';

}

sub get_mime_type() {

  my ($self) = @_;

  if ($self->{"form"}->{"format"} =~ /postscript/i) {

    return "application/postscript";

  } else {

    return "application/pdf";

  }

}

sub uses_temp_file {

  return 1;

}

####

#### HTMLTemplate

####

package HTMLTemplate;

use vars qw(@ISA);

@ISA = qw(LaTeXTemplate);

use strict;

sub new {

  my $type = shift;

  return $type->SUPER::new(@_);

}

sub format_string {

  my ($self, $variable) = @_;

  my $form = $self->{"form"};

  $variable = $main::locale->quote_special_chars('Template/HTML', $variable);

  # Allow some HTML markup to be converted into the output format's

  # corresponding markup code, e.g. bold or italic.

  my @markup_replace = ('b', 'i', 's', 'u', 'sub', 'sup');

  foreach my $key (@markup_replace) {

    $variable =~ s/\&lt;(\/?)${key}\&gt;/<$1${key}>/g;

  }

  return $variable;

}

sub get_mime_type() {

  my ($self) = @_;

  if ($self->{"form"}->{"format"} =~ /postscript/i) {

    return "application/postscript";

  } elsif ($self->{"form"}->{"format"} =~ /pdf/i) {

    return "application/pdf";

  } else {

    return "text/html";

  }

}

sub uses_temp_file {

  my ($self) = @_;

  if ($self->{"form"}->{"format"} =~ /postscript/i) {

    return 1;

  } elsif ($self->{"form"}->{"format"} =~ /pdf/i) {

    return 1;

  } else {

    return 0;

  }

}

sub convert_to_postscript {

  my ($self) = @_;

  my ($form, $userspath) = ($self->{"form"}, $self->{"userspath"});

  # Convert the HTML file to postscript

  if (!chdir("$userspath")) {

    $self->{"error"} = "chdir : $!";

    $self->cleanup();

    return 0;

  }

  $form->{"tmpfile"} =~ s/\Q$userspath\E\///g;

  my $psfile = $form->{"tmpfile"};

  $psfile =~ s/.html/.ps/;

  if ($psfile eq $form->{"tmpfile"}) {

    $psfile .= ".ps";

  }

  system("html2ps -f html2ps-config < $form->{tmpfile} > $psfile");

  if ($?) {

    $self->{"error"} = $form->cleanup();

    $self->cleanup();

    return 0;

  }

  $form->{"tmpfile"} = $psfile;

  $self->cleanup();

  return 1;

}

sub convert_to_pdf {

  my ($self) = @_;

  my ($form, $userspath) = ($self->{"form"}, $self->{"userspath"});

  # Convert the HTML file to PDF

  if (!chdir("$userspath")) {

    $self->{"error"} = "chdir : $!";

    $self->cleanup();

    return 0;

  }

  $form->{"tmpfile"} =~ s/\Q$userspath\E\///g;

  my $pdffile = $form->{"tmpfile"};

  $pdffile =~ s/.html/.pdf/;

  if ($pdffile eq $form->{"tmpfile"}) {

    $pdffile .= ".pdf";

  }

  system("html2ps -f html2ps-config < $form->{tmpfile} | ps2pdf - $pdffile");

  if ($?) {

    $self->{"error"} = $form->cleanup();

    $self->cleanup();

    return 0;

  }

  $form->{"tmpfile"} = $pdffile;

  $self->cleanup();

  return 1;

}

####

#### PlainTextTemplate

####

package PlainTextTemplate;

use vars qw(@ISA);

@ISA = qw(LaTeXTemplate);

use strict;

sub new {

  my $type = shift;

  return $type->SUPER::new(@_);

}

sub format_string {

  my ($self, $variable) = @_;

  return $variable;

}

sub get_mime_type {

  return "text/plain";

}

sub parse {

}

1;

####

#### OpenDocumentTemplate

####

package OpenDocumentTemplate;

use Archive::Zip;

use POSIX 'setsid';

use vars qw(@ISA);

use SL::Iconv;

use Cwd;

# use File::Copy;

# use File::Spec;

# use File::Temp qw(:mktemp);

use IO::File;

@ISA = qw(SimpleTemplate);

use strict;

sub new {

  my $type = shift;

  my $self = $type->SUPER::new(@_);

  $self->{"rnd"}   = int(rand(1000000));

  $self->{"iconv"} = SL::Iconv->new($main::dbcharset, "UTF-8");

  $self->set_tag_style('<%', '%>');

  $self->{quot_re} = '"';

  return $self;

}

sub parse_foreach {

  my ($self, $var, $text, $start_tag, $end_tag, @indices) = @_;

  my ($form, $new_contents) = ($self->{"form"}, "");

  my $ary = $self->_get_loop_variable($var, 1, @indices);

  for (my $i = 0; $i < scalar(@{$ary}); $i++) {

    $form->{"__first__"} = $i == 0;

    $form->{"__last__"} = ($i + 1) == scalar(@{$ary});

    $form->{"__odd__"} = (($i + 1) % 2) == 1;

    $form->{"__counter__"} = $i + 1;

    my $new_text = $self->parse_block($text, (@indices, $i));

    return undef unless (defined($new_text));

    $new_contents .= $start_tag . $new_text . $end_tag;

  }

  map({ delete($form->{"__${_}__"}); } qw(first last odd counter));

  return $new_contents;

}

sub find_end {

  my ($self, $text, $pos, $var, $not) = @_;

  my $depth = 1;

  $pos = 0 unless ($pos);

  while ($pos < length($text)) {

    $pos++;

    next if (substr($text, $pos - 1, 5) ne '<%');

    if ((substr($text, $pos + 4, 2) eq 'if') || (substr($text, $pos + 4, 3) eq 'for')) {

      $depth++;

    } elsif ((substr($text, $pos + 4, 4) eq 'else') && (1 == $depth)) {

      if (!$var) {

        $self->{"error"} = '<%else%> outside of <%if%> / <%ifnot%>.';

        return undef;

      }

      my $block = substr($text, 0, $pos - 1);

      substr($text, 0, $pos - 1) = "";

      $text =~ s!^\<\%[^\%]+\%\>!!;

      $text = '<%if' . ($not ?  " " : "not ") . $var . '%>' . $text;

      return ($block, $text);

    } elsif (substr($text, $pos + 4, 3) eq 'end') {

      $depth--;

      if ($depth == 0) {

        my $block = substr($text, 0, $pos - 1);

        substr($text, 0, $pos - 1) = "";

        $text =~ s!^\<\%[^\%]+\%\>!!;

        return ($block, $text);

      }

    }

  }

  return undef;

}

sub parse_block {

  $main::lxdebug->enter_sub();

  my ($self, $contents, @indices) = @_;

  my $new_contents = "";

  while ($contents ne "") {

    if (substr($contents, 0, 1) eq "<") {

      $contents =~ m|^<[^>]+>|;

      my $tag = $&;

      substr($contents, 0, length($&)) = "";

      if ($tag =~ m|<table:table-row|) {

        $contents =~ m|^(.*?)(</table:table-row[^>]*>)|;

        my $table_row = $1;

        my $end_tag = $2;

        substr($contents, 0, length($1) + length($end_tag)) = "";

        if ($table_row =~ m|\<\%foreachrow\s+(.*?)\%\>|) {

          my $var = $1;

          substr($table_row, length($`), length($&)) = "";

          my ($t1, $t2) = $self->find_end($table_row, length($`));

          if (!$t1) {

            $self->{"error"} = "Unclosed <\%foreachrow\%>." unless ($self->{"error"});

            $main::lxdebug->leave_sub();

            return undef;

          }

          my $new_text = $self->parse_foreach($var, $t1 . $t2, $tag, $end_tag, @indices);

          if (!defined($new_text)) {

            $main::lxdebug->leave_sub();

            return undef;

          }

          $new_contents .= $new_text;

        } else {

          my $new_text = $self->parse_block($table_row, @indices);

          if (!defined($new_text)) {

            $main::lxdebug->leave_sub();

            return undef;

          }

          $new_contents .= $tag . $new_text . $end_tag;

        }

      } else {

        $new_contents .= $tag;

      }

    } else {

      $contents =~ /^[^<]+/;

      my $text = $&;

      my $pos_if = index($text, '<%if');

      my $pos_foreach = index($text, '<%foreach');

      if ((-1 == $pos_if) && (-1 == $pos_foreach)) {

        substr($contents, 0, length($text)) = "";

        $new_contents .= $self->substitute_vars($text, @indices);

        next;

      }

      if ((-1 == $pos_if) || ((-1 != $pos_foreach) && ($pos_if > $pos_foreach))) {

        $new_contents .= $self->substitute_vars(substr($contents, 0, $pos_foreach), @indices);

        substr($contents, 0, $pos_foreach) = "";

        if ($contents !~ m|^\<\%foreach (.*?)\%\>|) {

          $self->{"error"} = "Malformed <\%foreach\%>.";

          $main::lxdebug->leave_sub();

          return undef;

        }

        my $var = $1;

        substr($contents, 0, length($&)) = "";

        my $block;

        ($block, $contents) = $self->find_end($contents);

        if (!$block) {

          $self->{"error"} = "Unclosed <\%foreach\%>." unless ($self->{"error"});

          $main::lxdebug->leave_sub();

          return undef;

        }

        my $new_text = $self->parse_foreach($var, $block, "", "", @indices);

        if (!defined($new_text)) {

          $main::lxdebug->leave_sub();

          return undef;

        }

        $new_contents .= $new_text;

      } else {

        if (!$self->_parse_block_if(\$contents, \$new_contents, $pos_if, @indices)) {

          $main::lxdebug->leave_sub();

          return undef;

        }

      }

    }

  }

  $main::lxdebug->leave_sub();

  return $new_contents;

}

sub parse {

  $main::lxdebug->enter_sub();

  my $self = $_[0];

  local *OUT = $_[1];

  my $form = $self->{"form"};

  close(OUT);

  my $file_name;

  if ($form->{"IN"} =~ m|^/|) {

    $file_name = $form->{"IN"};

  } else {

    $file_name = $form->{"templates"} . "/" . $form->{"IN"};

  }

  my $zip = Archive::Zip->new();

  if (Archive::Zip->AZ_OK != $zip->read($file_name)) {

    $self->{"error"} = "File not found/is not a OpenDocument file.";

    $main::lxdebug->leave_sub();

    return 0;

  }

  my $contents = $zip->contents("content.xml");

  if (!$contents) {

    $self->{"error"} = "File is not a OpenDocument file.";

    $main::lxdebug->leave_sub();

    return 0;

  }

  my $rnd = $self->{"rnd"};

  my $new_styles = qq|<style:style style:name="TLXO${rnd}BOLD" style:family="text">

<style:text-properties fo:font-weight="bold" style:font-weight-asian="bold" style:font-weight-complex="bold"/>

</style:style>

<style:style style:name="TLXO${rnd}ITALIC" style:family="text">

<style:text-properties fo:font-style="italic" style:font-style-asian="italic" style:font-style-complex="italic"/>

</style:style>

<style:style style:name="TLXO${rnd}UNDERLINE" style:family="text">

<style:text-properties style:text-underline-style="solid" style:text-underline-width="auto" style:text-underline-color="font-color"/>

</style:style>

<style:style style:name="TLXO${rnd}STRIKETHROUGH" style:family="text">

<style:text-properties style:text-line-through-style="solid"/>

</style:style>

<style:style style:name="TLXO${rnd}SUPER" style:family="text">

<style:text-properties style:text-position="super 58%"/>

</style:style>

<style:style style:name="TLXO${rnd}SUB" style:family="text">

<style:text-properties style:text-position="sub 58%"/>

</style:style>

|;

  $contents =~ s|</office:automatic-styles>|${new_styles}</office:automatic-styles>|;

  $contents =~ s|[\n\r]||gm;

  my $new_contents = $self->parse_block($contents);

  if (!defined($new_contents)) {

    $main::lxdebug->leave_sub();

    return 0;

  }

#   $new_contents =~ s|>|>\n|g;

  $zip->contents("content.xml", $new_contents);

  my $styles = $zip->contents("styles.xml");

  if ($contents) {

    my $new_styles = $self->parse_block($styles);

    if (!defined($new_contents)) {

      $main::lxdebug->leave_sub();

      return 0;

    }

    $zip->contents("styles.xml", $new_styles);

  }

  $zip->writeToFileNamed($form->{"tmpfile"}, 1);

  my $res = 1;

  if ($form->{"format"} =~ /pdf/) {

    $res = $self->convert_to_pdf();

  }

  $main::lxdebug->leave_sub();

  return $res;

}

sub is_xvfb_running {

  $main::lxdebug->enter_sub();

  my ($self) = @_;

  local *IN;

  my $dfname = $self->{"userspath"} . "/xvfb_display";

  my $display;

  $main::lxdebug->message(LXDebug->DEBUG2(), "    Looking for $dfname\n");

  if ((-f $dfname) && open(IN, $dfname)) {

    my $pid = <IN>;

    chomp($pid);

    $display = <IN>;

    chomp($display);

    my $xauthority = <IN>;

    chomp($xauthority);

    close(IN);

    $main::lxdebug->message(LXDebug->DEBUG2(), "      found with $pid and $display\n");

    if ((! -d "/proc/$pid") || !open(IN, "/proc/$pid/cmdline")) {

      $main::lxdebug->message(LXDebug->DEBUG2(), "  no/wrong process #1\n");

      unlink($dfname, $xauthority);

      $main::lxdebug->leave_sub();

      return undef;

    }

    my $line = <IN>;

    close(IN);

    if ($line !~ /xvfb/i) {

      $main::lxdebug->message(LXDebug->DEBUG2(), "      no/wrong process #2\n");

      unlink($dfname, $xauthority);

      $main::lxdebug->leave_sub();

      return undef;

    }

    $ENV{"XAUTHORITY"} = $xauthority;

    $ENV{"DISPLAY"} = $display;

  } else {

    $main::lxdebug->message(LXDebug->DEBUG2(), "      not found\n");

  }

  $main::lxdebug->leave_sub();

  return $display;

}

sub spawn_xvfb {

  $main::lxdebug->enter_sub();

  my ($self) = @_;

  $main::lxdebug->message(LXDebug->DEBUG2, "spawn_xvfb()\n");

  my $display = $self->is_xvfb_running();

  if ($display) {

    $main::lxdebug->leave_sub();

    return $display;

  }

  $display = 99;

  while ( -f "/tmp/.X${display}-lock") {

    $display++;

  }

  $display = ":${display}";

  $main::lxdebug->message(LXDebug->DEBUG2(), "  display $display\n");

  my $mcookie = `mcookie`;

  die("Installation error: mcookie not found.") if ($? != 0);

  chomp($mcookie);

  $main::lxdebug->message(LXDebug->DEBUG2(), "  mcookie $mcookie\n");

  my $xauthority = "/tmp/.Xauthority-" . $$ . "-" . time() . "-" . int(rand(9999999));

  $ENV{"XAUTHORITY"} = $xauthority;

  $main::lxdebug->message(LXDebug->DEBUG2(), "  xauthority $xauthority\n");

  system("xauth add \"${display}\" . \"${mcookie}\"");

  if ($? != 0) {

    $self->{"error"} = "Conversion to PDF failed because OpenOffice could not be started (xauth: $!)";

    $main::lxdebug->leave_sub();

    return undef;

  }

  $main::lxdebug->message(LXDebug->DEBUG2(), "  about to fork()\n");

  my $pid = fork();

  if (0 == $pid) {

    $main::lxdebug->message(LXDebug->DEBUG2(), "  Child execing\n");

    exec($main::xvfb_bin, $display, "-screen", "0", "640x480x8", "-nolisten", "tcp");

  }

  sleep(3);

  $main::lxdebug->message(LXDebug->DEBUG2(), "  parent dont sleeping\n");

  local *OUT;

  my $dfname = $self->{"userspath"} . "/xvfb_display";

  if (!open(OUT, ">$dfname")) {

    $self->{"error"} = "Conversion to PDF failed because OpenOffice could not be started ($dfname: $!)";

    unlink($xauthority);

    kill($pid);

    $main::lxdebug->leave_sub();

    return undef;

  }

  print(OUT "$pid\n$display\n$xauthority\n");

  close(OUT);

  $main::lxdebug->message(LXDebug->DEBUG2(), "  parent re-testing\n");

  if (!$self->is_xvfb_running()) {

    $self->{"error"} = "Conversion to PDF failed because OpenOffice could not be started.";

    unlink($xauthority, $dfname);

    kill($pid);

    $main::lxdebug->leave_sub();

    return undef;

  }

  $main::lxdebug->message(LXDebug->DEBUG2(), "  spawn OK\n");

  $main::lxdebug->leave_sub();

  return $display;

}

sub is_openoffice_running {

  $main::lxdebug->enter_sub();

  my $output = `./scripts/oo-uno-test-conn.py $main::openofficeorg_daemon_port 2> /dev/null`;

  chomp $output;

  my $res = ($? == 0) || $output;

  $main::lxdebug->message(LXDebug->DEBUG2(), "  is_openoffice_running(): res $res\n");

  $main::lxdebug->leave_sub();

  return $res;

}

sub spawn_openoffice {

  $main::lxdebug->enter_sub();

  my ($self) = @_;

  $main::lxdebug->message(LXDebug->DEBUG2(), "spawn_openoffice()\n");

  my ($try, $spawned_oo, $res);

  $res = 0;

  for ($try = 0; $try < 15; $try++) {

    if ($self->is_openoffice_running()) {

      $res = 1;

      last;

    }

    if (!$spawned_oo) {

      my $pid = fork();

      if (0 == $pid) {

        $main::lxdebug->message(LXDebug->DEBUG2(), "  Child daemonizing\n");

        chdir('/');

        open(STDIN, '/dev/null');

        open(STDOUT, '>/dev/null');

        my $new_pid = fork();

        exit if ($new_pid);

        my $ssres = setsid();

        $main::lxdebug->message(LXDebug->DEBUG2(), "  Child execing\n");

        my @cmdline = ($main::openofficeorg_writer_bin,

                       "-minimized", "-norestore", "-nologo", "-nolockcheck",

                       "-headless",

                       "-accept=socket,host=localhost,port=" .

                       $main::openofficeorg_daemon_port . ";urp;");

        exec(@cmdline);

      }

      $main::lxdebug->message(LXDebug->DEBUG2(), "  Parent after fork\n");

      $spawned_oo = 1;

      sleep(3);

    }

    sleep($try >= 5 ? 2 : 1);

  }

  if (!$res) {

    $self->{"error"} = "Conversion from OpenDocument to PDF failed because " .

      "OpenOffice could not be started.";

  }

  $main::lxdebug->leave_sub();

  return $res;

}

sub convert_to_pdf {

  $main::lxdebug->enter_sub();

  my ($self) = @_;

  my $form = $self->{"form"};

  my $filename = $form->{"tmpfile"};

  $filename =~ s/.odt$//;

  if (substr($filename, 0, 1) ne "/") {

    $filename = getcwd() . "/${filename}";

  }

  if (substr($self->{"userspath"}, 0, 1) eq "/") {

    $ENV{'HOME'} = $self->{"userspath"};

  } else {

    $ENV{'HOME'} = getcwd() . "/" . $self->{"userspath"};

  }

  if (!$self->spawn_xvfb()) {

    $main::lxdebug->leave_sub();

    return 0;

  }

  my @cmdline;

  if (!$main::openofficeorg_daemon) {

    @cmdline = ($main::openofficeorg_writer_bin,

                "-minimized", "-norestore", "-nologo", "-nolockcheck",

                "-headless",

                "file:${filename}.odt",

                "macro://" . (split('/', $filename))[-1] .

                "/Standard.Conversion.ConvertSelfToPDF()");

  } else {

    if (!$self->spawn_openoffice()) {

      $main::lxdebug->leave_sub();

      return 0;

    }

    @cmdline = ("./scripts/oo-uno-convert-pdf.py",

                $main::openofficeorg_daemon_port,

                "${filename}.odt");

  }

  system(@cmdline);

  my $res = $?;

  if ((0 == $?) || (-f "${filename}.pdf" && -s "${filename}.pdf")) {

    $form->{"tmpfile"} =~ s/odt$/pdf/;

    unlink($filename . ".odt");

    $main::lxdebug->leave_sub();

    return 1;

  }

  unlink($filename . ".odt", $filename . ".pdf");

  $self->{"error"} = "Conversion from OpenDocument to PDF failed. " .

    "Exit code: $res";

  $main::lxdebug->leave_sub();

  return 0;

}

sub format_string {

  my ($self, $variable) = @_;

  my $form = $self->{"form"};

  my $iconv = $self->{"iconv"};

  $variable = $main::locale->quote_special_chars('Template/OpenDocument', $variable);

  # Allow some HTML markup to be converted into the output format's

  # corresponding markup code, e.g. bold or italic.

  my $rnd = $self->{"rnd"};

  my %markup_replace = ("b" => "BOLD", "i" => "ITALIC", "s" => "STRIKETHROUGH",

                        "u" => "UNDERLINE", "sup" => "SUPER", "sub" => "SUB");

  foreach my $key (keys(%markup_replace)) {

    my $value = $markup_replace{$key};

    $variable =~ s|\&lt;${key}\&gt;|<text:span text:style-name=\"TLXO${rnd}${value}\">|gi; #"

    $variable =~ s|\&lt;/${key}\&gt;|</text:span>|gi;

  }

  return $iconv->convert($variable);

}

sub get_mime_type() {

  my ($self) = @_;

  if ($self->{"form"}->{"format"} =~ /pdf/) {

    return "application/pdf";

  } else {

    return "application/vnd.oasis.opendocument.text";

  }

}

sub uses_temp_file {

  return 1;

}

##########################################################

####

#### XMLTemplate

####

##########################################################

package XMLTemplate;

use vars qw(@ISA);

@ISA = qw(HTMLTemplate);

use strict;

sub new {

  #evtl auskommentieren

  my $type = shift;

  return $type->SUPER::new(@_);

}

sub format_string {

  my ($self, $variable) = @_;

  my $form = $self->{"form"};

  $variable = $main::locale->quote_special_chars('Template/XML', $variable);

  # Allow no markup to be converted into the output format

  my @markup_replace = ('b', 'i', 's', 'u', 'sub', 'sup');

  foreach my $key (@markup_replace) {

    $variable =~ s/\<(\/?)${key}\>//g;

  }

  return $variable;

}

sub get_mime_type() {

  my ($self) = @_;

  if ($self->{"form"}->{"format"} =~ /elsterwinston/i) {

    return "application/xml ";

  } elsif ($self->{"form"}->{"format"} =~ /elstertaxbird/i) {

    return "application/x-taxbird";

  } else {

    return "text";

  }

}

sub uses_temp_file {

  # tempfile needet for XML Output

  return 1;

}

##########################################################

####

#### ExcelTemplate

####

##########################################################

package ExcelTemplate;

use vars qw(@ISA);

@ISA = qw(SimpleTemplate);

sub new {

  my $type = shift;

  my $self = $type->SUPER::new(@_);

  return $self;

}

sub _init {