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adcroft |
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package Pod::HtmlPsPdf::Chapter; |
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use strict; |
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use Pod::HtmlPsPdf::Html (); |
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use Pod::HtmlPsPdf::Common (); |
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use Pod::HtmlPsPdf::Config (); |
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my $config = Pod::HtmlPsPdf::Config->new(); |
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######## |
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sub new{ |
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my $class = shift; |
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# book object |
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my $book_obj = shift; |
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my ($file_name, $src_root, $src_file, $verbose, $doc_root, |
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$curr_page, $curr_page_index, $prev_page, $next_page) = @_; |
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# extract the base name |
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# Note that this must match Book.pm pod_newer_split() |
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my ($base_name) = ($file_name =~ /^(.+)\.pod$/); |
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# make it html ext if it was a pod |
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$file_name =~ s/\.pod$/.html/; |
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my $self = bless { |
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book_obj => $book_obj, |
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base_name => $base_name, |
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file_name => $file_name, |
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src_file => $src_file, |
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src_root => $src_root, |
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verbose => $verbose, |
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curr_page => $curr_page, |
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curr_page_index => $curr_page_index, |
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prev_page => $prev_page, |
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next_page => $next_page, |
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doc_root => $doc_root, |
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content => [], |
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title => '', |
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body => '', |
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index => '', |
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change_time_stamp => '', |
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}, ref($class)||$class; |
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# read the file and attributes |
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$self->get_pod_file(); |
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return $self; |
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} # end of sub new |
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# you can only retrieve data from this class, you cannot modify it. |
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############## |
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sub get_param{ |
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my $self = shift; |
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return () unless @_; |
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return unless defined wantarray; |
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my @values = map {defined $self->{$_} ? $self->{$_} : ''} @_; |
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return wantarray ? @values : $values[0]; |
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} # end of sub get_param |
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# read the file set the content and attibutes |
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############# |
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sub get_pod_file{ |
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my $self = shift; |
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my $src_file = $self->{src_file}; |
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Pod::HtmlPsPdf::Common::read_file($src_file,$self->{content}); |
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# file change timestamp |
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my ($mon,$day,$year) = (localtime ( (stat($src_file))[9] ) )[4,3,5]; |
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$self->{change_time_stamp} = sprintf "%02d/%02d/%04d", ++$mon,$day,1900+$year; |
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} # end of sub get_pod_file |
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=item podify_items() |
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podify_items(\@pars); |
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Podify text to represent items in pod, e.g: |
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1 Some text from item Item1 |
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2 Some text from item Item2 |
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becomes: |
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=over 4 |
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=item 1 |
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Some text from item Item1 |
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=item 2 |
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Some text from item Item2 |
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=back |
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podify_items() accepts 'C<*>' and digits as bullets |
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podify_items() receives a ref to array of paragraphs as a parameter |
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and modifies it. Nothing returned. |
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=cut |
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################# |
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sub podify_items{ |
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my $self = shift; |
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# tmp result |
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my @pars = (); |
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my $items = 0; |
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foreach (@{$self->{content}}) { |
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# is it an item? |
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if (s/^(\*|\d+)\s+/=item $1\n\n/) { |
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$items++; |
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# first time insert the =over pod tag |
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push @pars, "=over 4" if $items == 1; |
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push @pars, split /\n\n/, $_; |
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} else { |
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# comlete the =over =item =back tag |
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push @pars, "=back" if $items; |
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push @pars, $_; |
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# not a tag item |
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$items = 0; |
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} |
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} # end of foreach (@$r_pars) |
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# update the content |
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@{$self->{content}} = @pars; |
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} # end of sub podify_items |
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# convert POD => HTML |
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############# |
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sub pod2html{ |
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my $self = shift; |
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my @podpath = qw(.); |
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my $book_obj = $self->{book_obj}; |
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my ($rh_main_toc,$rh_valid_anchors, $rh_links_to_check) = |
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$self->{book_obj}->get_param(qw(rh_main_toc rh_valid_anchors rh_links_to_check)); |
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# print "###: $rh_valid_anchors, $rh_links_to_check\n"; |
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# @content enters as pod, when returns - it's html |
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Pod::HtmlPsPdf::Html::pod2html(\@podpath, |
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$self->{src_root}, |
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$self->{doc_root}, |
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$self->{verbose}, |
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$self->{content}, |
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$rh_main_toc, |
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$self->{curr_page}, |
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$self->{curr_page_index}, |
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$rh_valid_anchors, |
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$rh_links_to_check |
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); |
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# print "###: $rh_valid_anchors, $rh_links_to_check\n"; |
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} # end of sub pod2html |
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# splits the content into parts like title, index, body |
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############# |
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sub parse_html{ |
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my $self = shift; |
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my $content = join "", @{$self->{content}}; |
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# extract the body |
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my ($title) = ($content =~ m|<TITLE>(.*)</TITLE>|si); |
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my ($body) = ($content =~ m|<BODY[^>]*>(.*)</BODY>|si); |
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$title ||= ''; |
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$body ||= ''; |
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# extract index |
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my $index = |
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$body =~ s|<!-- INDEX BEGIN -->(.*)<!-- INDEX END -->||si |
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? $1 : ''; |
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# remove first header |
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$body =~ s|<H1[^<]+</H1>||si; |
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# add a left colour bar for <pre></pre> sections |
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$body =~ |
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s{ |
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<PRE>(.*?)</PRE> |
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} |
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{ |
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<table> |
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<tr> |
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<td bgcolor="#eeeeee" width="1"> |
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</td> |
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<td> |
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<pre>$1</pre> |
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</td> |
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</tr> |
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</table> |
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}gsix; |
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$self->{title} = $title || ''; |
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$self->{body} = $body || ''; |
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$self->{index} = $index || ''; |
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# for (qw(title index)) { |
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# print "\n" x 3, "$_ :\n",$self->{$_},"\n"; |
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# } |
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# exit; |
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} # end of sub parse_html |
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# writes an html file |
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################## |
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sub write_html_file{ |
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my $self = shift; |
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# read the template page |
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my $template = $config->get_param('tmpl_page_html'); |
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my @page_tmpl = (); |
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Pod::HtmlPsPdf::Common::read_file($template,\@page_tmpl); |
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# convert |
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$self->template2release(\@page_tmpl); |
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### apply html version specific changes |
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# # add the <a name="anchor##"> for each para |
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# my $anchor_count = 0; |
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# for (@page_tmpl){ |
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# s|\n<P>\n|qq{\n<P><A NAME="anchor}.$anchor_count++.qq{"></A>\n}|seg |
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# } |
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# add the links to #toc, before the <HR> tags. But skip the first |
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# <HR> tgas, so we will start the replace after the TOC itself. |
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my $after_toc = 0; |
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for (@page_tmpl){ |
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$after_toc = 1 if !$after_toc and m|</UL>|i; |
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next unless $after_toc; |
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s|<HR>|[ <B><FONT SIZE=-1><A HREF="#toc">TOC</A></FONT></B> ]\n<HR>|sgi |
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} |
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# write the file |
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my $rel_root = $config->get_param('rel_root'); |
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Pod::HtmlPsPdf::Common::write_file("$rel_root/$self->{file_name}",\@page_tmpl); |
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} # end of sub write_html_file |
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# writes an html file for the later PS generation |
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################## |
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sub write_ps_html_file{ |
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my $self = shift; |
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# read the template page |
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my $template = $config->get_param('tmpl_page_ps'); |
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my @page_tmpl = (); |
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Pod::HtmlPsPdf::Common::read_file($template,\@page_tmpl); |
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# convert |
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$self->template2release(\@page_tmpl); |
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### apply html PS version specific changes |
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for (@page_tmpl){ |
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if ($Pod::HtmlPsPdf::RunTime::options{slides_mode}) { |
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# create the page breakers for slides |
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s|<HR>|<HR class=PAGE-BREAK>|gsi; |
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} else { |
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# remove the <HR> tags |
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s|<HR>||gsi; |
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} |
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# bump up the $digit in the <h$digit></h$digit> by one to create a |
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# nice structured PS/PDF, must skip the first <h1> standing for |
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# the name of the chapter |
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s|(</?H)(\d)>|$1.($2+1).">"|egsi; |
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} |
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# write the file |
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my $ps_root = $config->get_param('ps_root'); |
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Pod::HtmlPsPdf::Common::write_file("$ps_root/$self->{file_name}",\@page_tmpl); |
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} # end of sub write_ps_html_file |
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# convert the template into the release version |
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# input: ref to template array |
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################### |
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sub template2release{ |
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my $self = shift; |
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my $ra_tmpl = shift; |
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my %replace_map = |
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( |
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DOC_ROOT => $self->{doc_root}, |
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PREVPAGE => ($self->{prev_page} |
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? qq{<a href="$self->{prev_page}">Prev</a>} |
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: '' |
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), |
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NEXTPAGE => ($self->{next_page} |
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? qq{<a href="$self->{next_page}">Next</a>} |
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: '' |
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), |
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TITLE => $self->{title}, |
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INDEX => $self->{index}, |
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BODY => $self->{body}, |
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MODIFIED => $self->{change_time_stamp}, |
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); |
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for (@{$ra_tmpl}){ |
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s/\[(\w+)\]/$replace_map{$1}/g |
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} |
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} # end of sub template2release |
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# writes a split html files for easier searching if the original html |
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# is too big |
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# |
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# note that this function destroyes all the parsed structures, if you |
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# intend to make a use of them later, consider using the copy instead. |
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# |
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################## |
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sub write_split_html_files{ |
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my $self = shift; |
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print "+++ Making split\n" if $Pod::HtmlPsPdf::RunTime::options{verbose}; |
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# prepare directory |
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my $split_root = $config->get_param('split_root'); |
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my $split_base_dir = "$split_root/".$self->{base_name}; |
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my $dir_mode = $config->get_param('dir_mode'); |
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mkdir $split_base_dir, $dir_mode unless -d $split_base_dir; |
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# read the template page |
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my $template = $config->get_param('tmpl_page_split_html'); |
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my @page_tmpl = (); |
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Pod::HtmlPsPdf::Common::read_file($template,\@page_tmpl); |
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### parse html ### |
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# 1. parse index |
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# 2. parse body |
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### parse index ### |
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######################################### |
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# the datastructure we are going to build |
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# |
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# $node->[$idx_link]->$ |
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# $node->[$idx_level]->$ |
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# $node->[$idx_parent]->$ |
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# $node->[$idx_kids]->[] |
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######################################### |
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my $root_anchor = 'index.html'; |
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my @parents = ($root_anchor); |
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my @keys = qw(link level parent kids); |
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my %keys = (); |
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@keys{@keys} = 0..$#keys; |
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my %index = (); |
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my $level = 0; |
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# initialize the root entry |
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$index{$root_anchor}->[$keys{link}] |
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= qq{<LI><A HREF="index.html"><b>}.$self->{title}.qq{</b></A>}; |
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$index{$root_anchor}->[$keys{level}] = $level; |
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$index{$root_anchor}->[$keys{parent}] = ''; |
| 390 |
|
|
$index{$root_anchor}->[$keys{kids}] = []; |
| 391 |
|
|
|
| 392 |
|
|
while ( $self->{index} =~ /(.*\n)/g ){ |
| 393 |
|
|
local $_ = $1 || ''; |
| 394 |
|
|
# assumption: there can be one tag/item per line! |
| 395 |
|
|
chomp; |
| 396 |
|
|
|
| 397 |
|
|
# start of level |
| 398 |
|
|
if (m|<ul>|i){ |
| 399 |
|
|
$level++; |
| 400 |
|
|
next; |
| 401 |
|
|
} |
| 402 |
|
|
|
| 403 |
|
|
# end of level |
| 404 |
|
|
if (m|</ul>|i){ |
| 405 |
|
|
$level--; |
| 406 |
|
|
pop @parents; |
| 407 |
|
|
next; |
| 408 |
|
|
} |
| 409 |
|
|
|
| 410 |
|
|
next unless m|<li>|i; |
| 411 |
|
|
|
| 412 |
|
|
s/A HREF="#(\w+)"/A HREF="$1.html"/i; |
| 413 |
|
|
my $anchor = $1 || ''; |
| 414 |
|
|
warn("!!! No anchor found"), next unless $anchor; |
| 415 |
|
|
# make it html |
| 416 |
|
|
$anchor .= '.html'; |
| 417 |
|
|
|
| 418 |
|
|
$index{$anchor}->[$keys{link}] = $_; |
| 419 |
|
|
$index{$anchor}->[$keys{level}] = $level; |
| 420 |
|
|
|
| 421 |
|
|
my $parent_anchor = $parents[$level-1]; |
| 422 |
|
|
$index{$anchor}->[$keys{parent}] = $parent_anchor; |
| 423 |
|
|
splice @parents,$level,1,$anchor; |
| 424 |
|
|
|
| 425 |
|
|
# now update parent's kids field by pushing yourself to the end |
| 426 |
|
|
push @{ $index{$parent_anchor}->[$keys{kids}] }, $anchor; |
| 427 |
|
|
|
| 428 |
|
|
# init your kids |
| 429 |
|
|
$index{$anchor}->[$keys{kids}] = []; |
| 430 |
|
|
|
| 431 |
|
|
} # end of while ( $self->{index} =~ /(.*\n)/g ) |
| 432 |
|
|
|
| 433 |
|
|
### parse body ### |
| 434 |
|
|
|
| 435 |
|
|
# create the split version: |
| 436 |
|
|
my %sections = (); |
| 437 |
|
|
my $prev_anchor = ''; |
| 438 |
|
|
my %item = (); |
| 439 |
|
|
|
| 440 |
|
|
while ( $self->{body} =~ /(.*\n)/g ){ |
| 441 |
|
|
my $line = $1; |
| 442 |
|
|
|
| 443 |
|
|
if ( $line =~ m|<H(\d)><A NAME="([^\"]+)">([^>]+)</A></H|){ |
| 444 |
|
|
|
| 445 |
|
|
my $anchor = $2; |
| 446 |
|
|
|
| 447 |
|
|
# was a previous item already? |
| 448 |
|
|
if (%item) { |
| 449 |
|
|
|
| 450 |
|
|
# curr anchor is the 'next' for the 'prev' item |
| 451 |
|
|
$item{next} = $anchor; |
| 452 |
|
|
|
| 453 |
|
|
# store it away |
| 454 |
|
|
%{$sections{$item{anchor}}} = %item; |
| 455 |
|
|
|
| 456 |
|
|
# set the previous anchor |
| 457 |
|
|
$prev_anchor = $item{anchor}; |
| 458 |
|
|
|
| 459 |
|
|
# reset the prev item |
| 460 |
|
|
%item = (); |
| 461 |
|
|
} |
| 462 |
|
|
|
| 463 |
|
|
# start a new item |
| 464 |
|
|
$item{level} = $1; |
| 465 |
|
|
$item{anchor} = $anchor; |
| 466 |
|
|
$item{title} = $3; |
| 467 |
|
|
$item{prev} = $prev_anchor; |
| 468 |
|
|
|
| 469 |
|
|
# # find out who are your parents |
| 470 |
|
|
# splice @parents, $item{level}-1; |
| 471 |
|
|
# # remember who are your parents |
| 472 |
|
|
# @{$item{parents}} = @parents; |
| 473 |
|
|
# # add yourself as a father |
| 474 |
|
|
# push @parents,$item{anchor} ; |
| 475 |
|
|
|
| 476 |
|
|
} else { |
| 477 |
|
|
|
| 478 |
|
|
# %item wasn't started yet |
| 479 |
|
|
next unless %item; |
| 480 |
|
|
|
| 481 |
|
|
$item{content} .= "$line"; |
| 482 |
|
|
} # end of if ( $line =~ m|<H(\d)><A NAME.... |
| 483 |
|
|
|
| 484 |
|
|
} # end of while ( $self->{body} =~ /(.*)/g ){ |
| 485 |
|
|
|
| 486 |
|
|
|
| 487 |
|
|
# last item add (cannot be added in while loop) |
| 488 |
|
|
if (%item) { |
| 489 |
|
|
|
| 490 |
|
|
# curr anchor is the 'next' for the 'prev' item |
| 491 |
|
|
$item{next} = ''; |
| 492 |
|
|
|
| 493 |
|
|
# store it away |
| 494 |
|
|
%{$sections{$item{anchor}}} = %item; |
| 495 |
|
|
|
| 496 |
|
|
# reset the prev item |
| 497 |
|
|
%item = (); |
| 498 |
|
|
|
| 499 |
|
|
} # end of if (%item) |
| 500 |
|
|
|
| 501 |
|
|
|
| 502 |
|
|
### generate split html pages ### |
| 503 |
|
|
|
| 504 |
|
|
my $pod_title = $self->{title}; |
| 505 |
|
|
for my $sec (keys %sections) { |
| 506 |
|
|
|
| 507 |
|
|
my $anchor = "$sec.html"; |
| 508 |
|
|
|
| 509 |
|
|
### prepare the top index with parents dynasty only ### |
| 510 |
|
|
my $top_index = ''; |
| 511 |
|
|
my $parent_anchor = $anchor; |
| 512 |
|
|
my @parents = (); |
| 513 |
|
|
while ($parent_anchor = $index{$parent_anchor}->[$keys{parent}]) { |
| 514 |
|
|
unshift @parents, $parent_anchor; |
| 515 |
|
|
} |
| 516 |
|
|
my @close_top_index = (); |
| 517 |
|
|
|
| 518 |
|
|
# top level |
| 519 |
|
|
{ |
| 520 |
|
|
local $_ = $anchor; |
| 521 |
|
|
$top_index .= "<UL>\n"; |
| 522 |
|
|
$top_index .= qq{<LI><a href="../index.html">Split Version TOC</a>\n}; |
| 523 |
|
|
unshift @close_top_index,"</UL>"; |
| 524 |
|
|
} |
| 525 |
|
|
|
| 526 |
|
|
for (@parents,$anchor) { |
| 527 |
|
|
my $level = $index{$_}->[$keys{level}] + 1; |
| 528 |
|
|
$level *= 4; |
| 529 |
|
|
$top_index .= ' ' x $level . "<UL>\n"; |
| 530 |
|
|
if ($_ eq $anchor) { |
| 531 |
|
|
my $title = $sections{$sec}->{title}; |
| 532 |
|
|
$top_index .= qq{<h1><font color="brown">$title</font></h1>\n}; |
| 533 |
|
|
} else { |
| 534 |
|
|
$top_index .= $index{$_}->[$keys{link}] . "\n"; |
| 535 |
|
|
} |
| 536 |
|
|
unshift @close_top_index,' ' x $level ."</UL>"; |
| 537 |
|
|
} |
| 538 |
|
|
|
| 539 |
|
|
|
| 540 |
|
|
$top_index .= join "\n",@close_top_index,"\n"; |
| 541 |
|
|
|
| 542 |
|
|
### generate sub-index for this section ### |
| 543 |
|
|
my $level = $index{$anchor}->[$keys{level}]; |
| 544 |
|
|
my @close_bot_index = (); |
| 545 |
|
|
my $bot_index = "\n"; |
| 546 |
|
|
for (0..$level) { |
| 547 |
|
|
$bot_index .= " " x $level . "<UL>\n"; |
| 548 |
|
|
} |
| 549 |
|
|
$bot_index .= nested_kids(\%index,$anchor,$keys{kids},$keys{link}); |
| 550 |
|
|
for (0..$level) { |
| 551 |
|
|
$bot_index .= " " x $level . "</UL>\n"; |
| 552 |
|
|
} |
| 553 |
|
|
|
| 554 |
|
|
# recursive function |
| 555 |
|
|
################ |
| 556 |
|
|
sub nested_kids{ |
| 557 |
|
|
my $r_index = shift; |
| 558 |
|
|
my $anchor = shift; |
| 559 |
|
|
my $kids_key = shift; |
| 560 |
|
|
my $link_key = shift; |
| 561 |
|
|
|
| 562 |
|
|
my @kids = @{$r_index->{$anchor}->[$kids_key]}; |
| 563 |
|
|
return '' unless @kids; |
| 564 |
|
|
|
| 565 |
|
|
my $subidx .= "<UL>\n"; |
| 566 |
|
|
for my $kid_anchor (@kids){ |
| 567 |
|
|
$subidx .= $r_index->{$kid_anchor}->[$link_key] . "\n"; |
| 568 |
|
|
$subidx .= nested_kids($r_index,$kid_anchor,$kids_key,$link_key); |
| 569 |
|
|
} |
| 570 |
|
|
$subidx .= "</UL>\n"; |
| 571 |
|
|
return $subidx; |
| 572 |
|
|
} # end of sub nested_kids |
| 573 |
|
|
|
| 574 |
|
|
|
| 575 |
|
|
# set values for template conversion. |
| 576 |
|
|
# these destroy the original values |
| 577 |
|
|
$self->{full_title} = $top_index; |
| 578 |
|
|
$self->{title} = $sections{$sec}->{title}; |
| 579 |
|
|
$self->{body} = $sections{$sec}->{content}; |
| 580 |
|
|
|
| 581 |
|
|
# fix internal links to work with subdirs created by the split version |
| 582 |
|
|
$self->{body} =~ s|A HREF="(?:[\./]*)?([^.]+)\.html#?"|A HREF="../$1/index.html"|g; |
| 583 |
|
|
$self->{body} =~ s|A HREF="(?:[\./]*)?([^.]+)\.html#(.+?)"|A HREF="../$1/$2.html"|g; |
| 584 |
|
|
|
| 585 |
|
|
# append the submenu |
| 586 |
|
|
$self->{body} .= $bot_index; |
| 587 |
|
|
|
| 588 |
|
|
# convert |
| 589 |
|
|
my @tmpl_copy = @page_tmpl; |
| 590 |
|
|
$self->split_template2release(\@tmpl_copy); |
| 591 |
|
|
|
| 592 |
|
|
# write the section as a file |
| 593 |
|
|
my $filename = "$split_base_dir/".$sections{$sec}->{anchor}.".html"; |
| 594 |
|
|
Pod::HtmlPsPdf::Common::write_file($filename,\@tmpl_copy); |
| 595 |
|
|
|
| 596 |
|
|
} # end of for (keys %sections) |
| 597 |
|
|
|
| 598 |
|
|
### now write the index.html for original file ### |
| 599 |
|
|
# correct the links |
| 600 |
|
|
$self->{index} =~ s/A HREF="#([^\"]*)"/A HREF="$1.html"/g; |
| 601 |
|
|
$self->{body} = $self->{index}."\n<hr>"; |
| 602 |
|
|
$self->{full_title} = qq{<h1><font color="brown">$pod_title</font></h1>\n}; |
| 603 |
|
|
$self->{title} = $pod_title; |
| 604 |
|
|
|
| 605 |
|
|
my @tmpl_copy = @page_tmpl; |
| 606 |
|
|
$self->split_template2release(\@tmpl_copy); |
| 607 |
|
|
|
| 608 |
|
|
# write the file |
| 609 |
|
|
my $filename = "$split_base_dir/index.html"; |
| 610 |
|
|
Pod::HtmlPsPdf::Common::write_file($filename,\@tmpl_copy); |
| 611 |
|
|
|
| 612 |
|
|
|
| 613 |
|
|
} # end of sub write_split_html_files |
| 614 |
|
|
|
| 615 |
|
|
# convert the template into the release version |
| 616 |
|
|
# input: ref to template array |
| 617 |
|
|
################### |
| 618 |
|
|
use File::Basename; |
| 619 |
|
|
|
| 620 |
|
|
sub split_template2release{ |
| 621 |
|
|
my $self = shift; |
| 622 |
|
|
my $ra_tmpl = shift; |
| 623 |
|
|
|
| 624 |
|
|
my $full_file_name = $self->{curr_page}; |
| 625 |
|
|
#$full_file_name =~ s|^.*?(\w+)\.\w+$|$1|; |
| 626 |
|
|
# Just want the basename, correct? Is it always .pod? |
| 627 |
|
|
$full_file_name = $1 if $full_file_name =~ m!([^/]+)\.\w+$!; |
| 628 |
|
|
|
| 629 |
|
|
my %replace_map = |
| 630 |
|
|
( |
| 631 |
|
|
PAGE => $full_file_name, |
| 632 |
|
|
DOC_ROOT => $self->{doc_root}, |
| 633 |
|
|
PREVPAGE => ($self->{prev_page} |
| 634 |
|
|
? qq{<a href="$self->{prev_page}">Prev</a>} |
| 635 |
|
|
: '' |
| 636 |
|
|
), |
| 637 |
|
|
NEXTPAGE => ($self->{next_page} |
| 638 |
|
|
? qq{<a href="$self->{next_page}">Next</a>} |
| 639 |
|
|
: '' |
| 640 |
|
|
), |
| 641 |
|
|
FULLTITLE=> $self->{full_title}, |
| 642 |
|
|
TITLE => $self->{title}, |
| 643 |
|
|
# INDEX => $self->{index}, |
| 644 |
|
|
BODY => $self->{body}, |
| 645 |
|
|
MODIFIED => $self->{change_time_stamp}, |
| 646 |
|
|
); |
| 647 |
|
|
|
| 648 |
|
|
for (@{$ra_tmpl}){ |
| 649 |
|
|
s/\[(\w+)\]/$replace_map{$1}/g |
| 650 |
|
|
} |
| 651 |
|
|
|
| 652 |
|
|
} # end of sub split_template2release |
| 653 |
|
|
|
| 654 |
|
|
|
| 655 |
|
|
|
| 656 |
|
|
|
| 657 |
|
|
|
| 658 |
|
|
|
| 659 |
|
|
1; |
| 660 |
|
|
__END__ |
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