X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/mfinanz.git/blobdiff_plain/4b6fd7d022e006a1309d60b1a044b0f0fec28ef0..0fba3edda47fca21bedb14eb88e0f5f8d983bb38:/SL/Template/Simple.pm diff --git a/SL/Template/Simple.pm b/SL/Template/Simple.pm new file mode 100644 index 000000000..3baeaac2d --- /dev/null +++ b/SL/Template/Simple.pm @@ -0,0 +1,212 @@ +#==================================================================== +# LX-Office ERP +# Copyright (C) 2004 +# Based on SQL-Ledger Version 2.1.9 +# Web http://www.lx-office.org +# +#==================================================================== + +package SL::Template::Simple; + +use strict; + +# 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 überprüfenden 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} + (.*?)(?{quot_re} + | + (\b.+?\b) # $8 -- Bareword -- als Index für $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 '~' für Stringvergleich oder Regex + my $quoted_word = $7; # nur gültig, 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;