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+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+ - Description: documents, structuring, processing, publishing, search
+ - static content generator
+
+ - Author: Ralph Amissah
+ [ralph.amissah@gmail.com]
+
+ - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+ - License: AGPL 3 or later:
+
+ Spine (SiSU), a framework for document structuring, publishing and
+ search
+
+ Copyright (C) Ralph Amissah
+
+ This program is free software: you can redistribute it and/or modify it
+ under the terms of the GNU AFERO General Public License as published by the
+ Free Software Foundation, either version 3 of the License, or (at your
+ option) any later version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details.
+
+ You should have received a copy of the GNU General Public License along with
+ this program. If not, see [https://www.gnu.org/licenses/].
+
+ If you have Internet connection, the latest version of the AGPL should be
+ available at these locations:
+ [https://www.fsf.org/licensing/licenses/agpl.html]
+ [https://www.gnu.org/licenses/agpl.html]
+
+ - Spine (by Doc Reform, related to SiSU) uses standard:
+ - docReform markup syntax
+ - standard SiSU markup syntax with modified headers and minor modifications
+ - docReform object numbering
+ - standard SiSU object citation numbering & system
+
+ - Homepages:
+ [https://www.sisudoc.org]
+ [https://www.doc-reform.org]
+
+ - Git
+ [https://git.sisudoc.org/]
+
++/
+module sisudoc.io_out.metadata;
+@safe:
+template outputMetadata() {
+ void outputMetadata(T)( T doc_matters) {
+ string inline_search_form(M)(
+ M doc_matters,
+ ) {
+ string o;
+ string _form;
+ if (doc_matters.opt.action.html_link_search) {
+ o = format(q"┃
+ <div class="flex-menu-option">
+ <!-- SiSU Spine Search -->
+ <form action="%s" target="_top" method="POST" accept-charset="UTF-8" id="searchtxt">
+ &nbsp;&nbsp;<font size="2">%s&nbsp;
+ <input type="text" name="sf" size="24" maxlength="255">%s
+ <input type="hidden" name="sml" value="1000">
+ <input type="hidden" name="ec" value="on">
+ <input type="hidden" name="url" value="on">
+ <input type="hidden" name="rt" value="txt">
+ <button type="submit" form="searchtxt" name="fn" value="%s">&nbsp;• ⚏&nbsp;</button>
+ </font></form>
+ <!-- SiSU Spine Search -->
+ </div>
+ <div class="flex-menu-option">
+ <!-- SiSU Spine Search -->
+ <form action="%s" target="_top" method="POST" accept-charset="UTF-8" id="search">
+ <font size="2">
+ <input type="text" name="sf" size="24" maxlength="255">%s
+ <input type="hidden" name="sml" value="1000">
+ <input type="hidden" name="ec" value="on">
+ <input type="hidden" name="url" value="on">
+ <button type="submit" form="search" name="fn" value="%s">• ፨</button>
+ <button type="submit" form="search">㏈ ፨</button>
+ </font></form>
+ <!-- SiSU Spine Search -->
+ </div>┃",
+ doc_matters.conf_make_meta.conf.w_srv_cgi_action,
+ (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty)
+ ? ""
+ : "\n <a href=\""
+ ~ doc_matters.conf_make_meta.conf.w_srv_cgi_action
+ ~ "\">&#x1f50e;&nbsp;</a>",
+ (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty)
+ ? ""
+ : "\n <input type=\"hidden\" name=\"db\" value=\""
+ ~ doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename
+ ~ "\">",
+ doc_matters.src.filename_base,
+ doc_matters.conf_make_meta.conf.w_srv_cgi_action,
+ (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty)
+ ? ""
+ : "\n <input type=\"hidden\" name=\"db\" value=\""
+ ~ doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename
+ ~ "\">",
+ doc_matters.src.filename_base,
+ );
+ } else {
+ o = "";
+ }
+ return o;
+ }
+ import
+ std.file,
+ std.format;
+ import sisudoc.io_out;
+ mixin InternalMarkup;
+ string[] metadata_;
+string theme_dark_0 = format(q"┃
+ body {
+ color : #CCCCCC;
+ background : #000000;
+ background-color : #000000;
+ }
+ a:link {
+ color : #FFFFFF;
+ text-decoration : none;
+ }
+ a:visited {
+ color : #999999;
+ text-decoration : none;
+ }
+ a:hover {
+ color : #000000;
+ background-color : #555555;
+ }
+ a:hover img {
+ background-color : #000000;
+ }
+ a:active {
+ color : #888888;
+ text-decoration : underline;
+ }
+ a.lnkicon:link {
+ text-decoration : none;
+ }
+ a.lnkicon:visited {
+ text-decoration : none;
+ }
+ a.lnkicon:hover {
+ font-size : 160%%;
+ }
+ a:hover img {
+ background-color : #FFFFFF;
+ }
+ input {
+ color : #FFFFFF;
+ background-color : #777777;
+ }
+┃");
+string theme_light_0 = format(q"┃
+ body {
+ color : #000000;
+ background : #FFFFFF;
+ background-color : #FFFFFF;
+ }
+ a:link {
+ color : #003399;
+ text-decoration : none;
+ }
+ a:visited {
+ color : #003399;
+ text-decoration : none;
+ }
+ a:hover {
+ color : #000000;
+ background-color : #f9f9aa;
+ }
+ a:hover img {
+ background-color : #FFFFFF;
+ }
+ a:active {
+ color : #003399;
+ text-decoration : underline;
+ }
+ a.lnkicon:link {
+ text-decoration : none;
+ }
+ a.lnkicon:visited {
+ text-decoration : none;
+ }
+ a.lnkicon:hover {
+ font-size : 160%%;
+ }
+ a:hover img {
+ background-color : #FFFFFF;
+ }
+ input {
+ color : #000000;
+ background-color : #FFFFFF;
+ }
+┃");
+string theme_dark_1 = format(q"┃
+ h1 {
+ color : #FFFFFF;
+ background : #000000;
+ }
+ p.letter {
+ color : #FFFFFF;
+ background : #333333;
+ }
+┃");
+string theme_light_1 = format(q"┃
+ h1 {
+ color : #FFFFFF;
+ background : #1A3A7A;
+ }
+ p.letter {
+ color : #FFFFFF;
+ background : #1A3A7A;
+ }
+┃");
+ metadata_ ~= format(q"┃<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>⌘ Curated metadata - Topics</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<meta name="dc.title" content= "metadata curate, Authors & Topics - information Structuring Universe, Structured information Serialised Units" />
+<meta name="dc.subject" content= "document structuring, ebook, publishing, PDF, LaTeX, XML, ODF, SQL, postgresql, sqlite, electronic book, electronic publishing, electronic document, electronic citation, data structure, citation systems, granular search, digital library" />
+<meta name="generator" content="spine" />
+<link rel="generator" href="https://sisudoc.org" />
+<link href="./css/curate.css" rel="stylesheet">
+<style TYPE="text/css">
+/* spine curate css default stylesheet */%s
+ .norm, .bold {
+ line-height : 150%%;
+ margin-left : 1em;
+ margin-right : 2em;
+ margin-top : 10px;
+ margin-bottom : 0px;
+ text-indent : 0mm;
+ }
+ p, h0, h1, h2, h3, h4, h5, h6, h7 {
+ display : block;
+ font-family : verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman;
+ font-size : 100%%;
+ font-weight : normal;
+ line-height : 150%%;
+ /* text-align : justify; */
+ margin-left : 1em;
+ text-indent : 0mm;
+ margin-top : 2px;
+ margin-bottom : 2px;
+ margin-right : 6px;
+ text-align : left;
+ }
+ h0, h1, h2, h3, h4, h5, h6, h7 { text-shadow: .2em .2em .3em #999999; }
+ h1 {
+ font-size : 120%%;
+ font-weight : bold;
+ color : #FFFFFF;
+ background : #000088;
+ margin-left : 0em;
+ }
+ p.work {
+ font-size : 80%%;
+ margin-left : 5em;
+ margin-top : 0px;
+ margin-bottom : 0px;
+ margin-right : 6px;
+ text-align : left;
+ }
+ p.author {
+ font-size : 100%%;
+ margin-left : 2em;
+ margin-top : 0px;
+ margin-bottom : 0px;
+ margin-right : 6px;
+ text-align : left;
+ }
+ p.publication {
+ font-size : 80%%;
+ margin-left : 4em;
+ margin-top : 0px;
+ margin-bottom : 0px;
+ margin-right : 6px;
+ text-align : left;
+ }
+ p.letter {
+ font-weight : bold;
+ font-size : 60%%;
+ margin-left : 1em;
+ margin-top : 0px;
+ margin-bottom : 0px;
+ margin-right : 6px;
+ text-align : left;
+ }
+ p.icons, .icons_center {
+ font-size : 100%%;
+ margin-top : 0px;
+ margin-bottom : 0px;
+ margin-right : 6px;
+ }
+ p.icons {
+ text-align : left;
+ }
+ p.lev0 {
+ font-size : 120%%;
+ margin-left : 1em;
+ }
+ p.lev1 {
+ font-size : 110%%;
+ margin-left : 2em;
+ }
+ p.lev2 {
+ font-size : 100%%;
+ margin-left : 3em;
+ }
+ p.lev3 {
+ font-size : 90%%;
+ margin-left : 4em;
+ }
+ p.lev4 {
+ font-size : 80%%;
+ margin-left : 5em;
+ }
+ p.lev5 {
+ font-size : 80%%;
+ margin-left : 6em;
+ }%s
+ /* flex */
+ .flex-menu-bar {
+ display : -webkit-flex;
+ display : flex;
+ -webkit-flex-wrap : wrap;
+ -webkit-align-items : center;
+ align-items : center;
+ width : 100%%;
+ margin-left : 0%%;
+ margin-right : 2%%;
+ background-color : inherited;
+ }
+ .flex-menu-option {
+ background-color : inherited;
+ margin-right : 4px;
+ }
+ .flex-list {
+ display : -webkit-flex;
+ display : flex;
+ -webkit-align-items : center;
+ display : block;
+ align-items : center;
+ width : 100%%;
+ background-color : inherited;
+ }
+ .flex-list-item {
+ background-color : inherited;
+ margin : 4px;
+ }
+</style>
+<link rel="shortcut icon" href="../_sisu/image/rb7.ico" />
+</head>
+┃",
+ doc_matters.opt.action.css_theme_default ? theme_light_0 : theme_dark_0,
+ doc_matters.opt.action.css_theme_default ? theme_light_1 : theme_dark_1,
+) ~ "\n";
+ void metadata_write_output(M)(M doc_matters, string[] metadata_) {
+ auto pth_html = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+ try {
+ if (!exists(pth_html.base)) {
+ pth_html.base.mkdirRecurse;
+ }
+ {
+ auto f = File(pth_html.fn_scroll("metadata." ~ doc_matters.src.filename), "w");
+ foreach (o; metadata_) {
+ f.writeln(o);
+ }
+ }
+ if (!exists(pth_html.base ~ "/index.html")) {
+ import sisudoc.io_out.html_snippet;
+ mixin htmlSnippet;
+ auto f = File(pth_html.base ~"/index.html", "w");
+ f.writeln(format_html_blank_page_guide_home(
+ "../../css/html_scroll.css",
+ (doc_matters.opt.action.webserver_url_doc_root.length > 0)
+ ? doc_matters.opt.action.webserver_url_doc_root
+ : doc_matters.conf_make_meta.conf.w_srv_data_root_url,
+ "../../index.html",
+ ));
+ }
+ } catch (ErrnoException ex) {
+ // Handle error
+ }
+ if (doc_matters.opt.action.vox_gt0) {
+ writeln(" ", pth_html.fn_scroll("metadata." ~ doc_matters.src.filename));
+ }
+ }
+ static auto mkup = InlineMarkup();
+ import sisudoc.io_out.html_snippet;
+ mixin htmlSnippet;
+ if (doc_matters.opt.action.debug_do) {
+ writeln(doc_matters.src.filename_base);
+ writeln("Title: ", doc_matters.conf_make_meta.meta.title_full);
+ writeln(" Author: ", doc_matters.conf_make_meta.meta.creator_author);
+ writeln(" Published: ", doc_matters.conf_make_meta.meta.date_published);
+ writeln(" Copyright: ", doc_matters.conf_make_meta.meta.rights_copyright);
+ writeln(" License: ", special_characters_text(doc_matters.conf_make_meta.meta.rights_license));
+ if (doc_matters.conf_make_meta.meta.classify_topic_register_arr.length > 0) {
+ foreach (topic; doc_matters.conf_make_meta.meta.classify_topic_register_arr.sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)) {
+ string[] subject_tree = topic.split(mkup.sep);
+ if (subject_tree.length > 0) { writeln(" ", subject_tree[0]); }
+ if (subject_tree.length > 1) { writeln(" ", subject_tree[1]); }
+ if (subject_tree.length > 2) { writeln(" ", subject_tree[2]); }
+ if (subject_tree.length > 3) { writeln(" ", subject_tree[3]); }
+ if (subject_tree.length > 4) { writeln(" ", subject_tree[4]); }
+ }
+ }
+ }
+ auto pth_html = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+ auto pth_epub = spinePathsEPUB!()(doc_matters.output_path, doc_matters.src.language);
+ auto pth_pdf = spinePathsPDF!()(doc_matters);
+ auto pth_pod = spinePathsPods!()(doc_matters);
+ metadata_ ~= format(q"┃<body lang="en" xml:lang="en">
+ <a name="top" id="top"></a>
+ <a name="up" id="up"></a>
+ <a name="start" id="start"></a>
+ ┃");
+ metadata_ ~= "<div class=\"flex-menu-bar\"><div class=\"flex-menu-option\">";
+ if (doc_matters.opt.action.html_link_curate) {
+ metadata_ ~= format(q"┃<p class="icons">[<a href="%s" class="lnkicon">&nbsp;<b>⟰</b>&nbsp;HOME&nbsp;</a>&nbsp;|&nbsp;<a href="../../index.html" class="lnkicon">&nbsp;≅&nbsp;Collection&nbsp;</a>]&nbsp;&nbsp;[
+ <a href="../../authors.html" class="lnkicon">&nbsp;&#x1F58B;&nbsp;Authors&nbsp;</a> |
+ <a href="../../topics.html" class="lnkicon">&nbsp;⌘&nbsp;Topics&nbsp;</a>]</p>
+ ┃",
+ (doc_matters.opt.action.webserver_url_doc_root.length > 0)
+ ? doc_matters.opt.action.webserver_url_doc_root
+ : doc_matters.conf_make_meta.conf.w_srv_data_root_url
+ , // HOME index.html equivalent _cfg.www_url_doc_root,
+ );
+ } else {
+ metadata_ ~= format(q"┃<p class="icons">[<a href="../../../index.html" class="lnkicon">&nbsp;≅&nbsp;<b>HOME</b>&nbsp;</a>&nbsp;<a href="../../index.html" class="lnkicon">&nbsp;≅&nbsp;Collection&nbsp;</a>]
+ ┃");
+ }
+ metadata_ ~= "</div>" ~ inline_search_form(doc_matters) ~ "</div><hr />";
+ if (!(doc_matters.conf_make_meta.meta.title_full.empty)) {
+ metadata_ ~= "<p class=\"lev0\">Title: <b><a href=\"" ~ doc_matters.src.filename_base ~ "/toc.html\">" ~ doc_matters.conf_make_meta.meta.title_full ~ "</a></b></p>";
+ } else if (doc_matters.opt.action.debug_do || doc_matters.opt.action.vox_gt2) {
+ writeln("ERROR no Title information provided in document header ", doc_matters.src.filename_base);
+ }
+ if (!(doc_matters.conf_make_meta.meta.creator_author.empty)) {
+ if (doc_matters.opt.action.html_link_curate) {
+ metadata_ ~= "<p class=\"lev1\">Author: <b><a href=\"../../authors.html#" ~ doc_matters.conf_make_meta.meta.creator_author_surname.translate([' ' : "_"]) ~ "\">"
+ ~ doc_matters.conf_make_meta.meta.creator_author ~ "</a></b></p>";
+ } else {
+ metadata_ ~= "<p class=\"lev1\">Author: <b>"
+ ~ doc_matters.conf_make_meta.meta.creator_author ~ "</b></p>";
+ }
+ } else if (doc_matters.opt.action.debug_do || doc_matters.opt.action.vox_gt2) {
+ writeln("ERROR no Author information provided in document header ", doc_matters.src.filename_base);
+ }
+ metadata_ ~= "<p class=\"lev1\">Published: " ~ doc_matters.conf_make_meta.meta.date_published ~ "</p>";
+ if (!(doc_matters.conf_make_meta.meta.rights_copyright.empty)) {
+ metadata_ ~= "<p class=\"lev1\">Copyright: " ~ special_characters_text(doc_matters.conf_make_meta.meta.rights_copyright) ~ "</p>";
+ } else if (doc_matters.opt.action.debug_do || doc_matters.opt.action.vox_gt2) {
+ writeln("WARNING no Copyright information provided in document header ", doc_matters.src.filename_base);
+ }
+ if (!(doc_matters.conf_make_meta.meta.rights_license.empty)) {
+ metadata_ ~= "<p class=\"lev1\">License: " ~ special_characters_text(doc_matters.conf_make_meta.meta.rights_license) ~ "</p>";
+ } else if (doc_matters.opt.action.debug_do || doc_matters.opt.action.vox_gt2) {
+ writeln("WARNING no License information provided in document header ", doc_matters.src.filename_base);
+ }
+ if (!(doc_matters.conf_make_meta.meta.notes_summary.empty)) {
+ metadata_ ~= "<hr /><p class=\"lev0\">Summary:</p><p class=\"lev1\">" ~ special_characters_text(doc_matters.conf_make_meta.meta.notes_summary) ~ "</p>";
+ } else if (doc_matters.opt.action.debug_do) {
+ writeln("WARNING no summary of text provided in document header ", doc_matters.src.filename_base);
+ }
+ metadata_ ~= "<hr /><p class=\"lev1\">source: " ~ doc_matters.src.filename_base ~ "</p>";
+ if (doc_matters.opt.action.html_link_markup_source) {
+ metadata_ ~= "<p class=\"lev1\">●&nbsp;&nbsp;markup source:&nbsp;&nbsp;the&nbsppod&nbsp[<a href=\"../../" ~ pth_pod.internal_base ~ "/" ~ doc_matters.src.filename_base ~ ".zip\" class=\"lnkicon\">"
+ ~ "&nbsp;🫛&nbsp;zipped&nbsp;</a>|&nbsp;"
+ ~ "<a href=\"../../" ~ pth_pod.internal_base ~ "/" ~ doc_matters.src.filename_base ~ "/\" class=\"lnkicon\">"
+ ~ "&nbsp;🫛&nbsp;tree&nbsp;</a>]&nbsp;";
+ }
+ metadata_ ~= "<p class=\"lev1\">●&nbsp;&nbsp;outputs:&nbsp;&nbsp;[&nbsp;html:&nbsp;<a href=\"" ~ doc_matters.src.filename_base ~ ".html\" class=\"lnkicon\">"
+ ~ "&nbsp;▤&nbsp;scroll&nbsp;</a>&nbsp;"
+ ~ "|<a href=\"" ~ doc_matters.src.filename_base ~ "/toc.html\" class=\"lnkicon\">"
+ ~ "&nbsp;※&nbsp;seg&nbsp;</a>]&nbsp;&nbsp;&nbsp;"
+ ~ "[<a href=\"../../" ~ pth_epub.internal_base ~ "/" ~ doc_matters.src.filename_base ~ "." ~ doc_matters.src.language ~ ".epub\" class=\"lnkicon\">"
+ ~ "&nbsp;◆&nbsp;epub&nbsp;</a>]&nbsp;&nbsp;&nbsp;";
+ if ((doc_matters.opt.action.html_link_pdf) || (doc_matters.opt.action.html_link_pdf_a4)) {
+ metadata_ ~= "[&nbsp;pdf:&nbsp;<a href=\"../../pdf/"
+ ~ doc_matters.src.filename_base
+ ~ "." ~ doc_matters.src.language ~ ".a4.portrait.pdf\" class=\"lnkicon\">"
+ ~ "&nbsp;□&nbsp;a4&nbsp;</a>&nbsp"
+ ~ "|<a href=\"../../pdf/"
+ ~ doc_matters.src.filename_base
+ ~ "." ~ doc_matters.src.language ~ ".letter.portrait.pdf\" class=\"lnkicon\">"
+ ~ "&nbsp;□&nbsp;U.S.&nbsp;letter&nbsp;</a>]&nbsp";
+ } else if (doc_matters.opt.action.html_link_pdf_a4) {
+ metadata_ ~= "[<a href=\"../../pdf/"
+ ~ doc_matters.src.filename_base
+ ~ "." ~ doc_matters.src.language ~ ".a4.portrait.pdf\" class=\"lnkicon\">"
+ ~ "&nbsp;□&nbsp;pdf&nbsp;(a4)&nbsp;</a>]&nbsp";
+ } else if (doc_matters.opt.action.html_link_pdf_letter) {
+ metadata_ ~= "[<a href=\"../../pdf/"
+ ~ doc_matters.src.filename_base
+ ~ "." ~ doc_matters.src.language ~ ".letter.portrait.pdf\" class=\"lnkicon\">"
+ ~ "&nbsp;□&nbsp;pdf&nbsp;(U.S.&nbsp;letter)&nbsp;</a>]&nbsp";
+ }
+ metadata_ ~= "</p>";
+ if (doc_matters.conf_make_meta.meta.classify_topic_register_arr.length > 0) {
+ metadata_ ~= "<hr /><p class=\"lev0\">Topics:</p>";
+ string[] _top = ["", "", "", "", ""];
+ foreach (topic; doc_matters.conf_make_meta.meta.classify_topic_register_arr.sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)) {
+ string[] subject_tree = topic.split(mkup.sep);
+ if (subject_tree.length > 0) {
+ if (subject_tree[0] != _top[0]) {
+ _top[0] = subject_tree[0];
+ if (doc_matters.opt.action.html_link_curate) {
+ metadata_ ~=
+ "<p class=\"lev1\"><a href=\"../../topics.html#"
+ ~ subject_tree[0].translate([' ' : "_"]) ~ "\">"
+ ~ subject_tree[0]
+ ~ "</a></p>";
+ } else {
+ metadata_ ~=
+ "<p class=\"lev1\">" ~ subject_tree[0] ~ "</p>";
+ }
+ }
+ if (subject_tree.length > 1) {
+ if (subject_tree[1] != _top[1]) {
+ _top[1] = subject_tree[1];
+ _top[2] = ""; _top[3] = ""; _top[4] = "";
+ if (doc_matters.opt.action.html_link_curate) {
+ metadata_ ~=
+ "<p class=\"lev2\"><a href=\"../../topics.html#"
+ ~ subject_tree[0].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[1].translate([' ' : "_"]) ~ "\">"
+ ~ subject_tree[1]
+ ~ "</a></p>";
+ } else {
+ metadata_ ~=
+ "<p class=\"lev2\">" ~ subject_tree[1] ~ "</p>";
+ }
+ }
+ if (subject_tree.length > 2) {
+ if (subject_tree[2] != _top[2]) {
+ _top[2] = subject_tree[2];
+ _top[3] = ""; _top[4] = "";
+ if (doc_matters.opt.action.html_link_curate) {
+ metadata_ ~=
+ "<p class=\"lev3\"><a href=\"../../topics.html#"
+ ~ subject_tree[0].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[1].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[2].translate([' ' : "_"]) ~ "\">"
+ ~ subject_tree[2]
+ ~ "</a></p>";
+ } else {
+ metadata_ ~=
+ "<p class=\"lev3\">" ~ subject_tree[2] ~ "</p>";
+ }
+ }
+ if (subject_tree.length > 3) {
+ if (subject_tree[3] != _top[3]) {
+ _top[3] = subject_tree[3];
+ _top[4] = "";
+ if (doc_matters.opt.action.html_link_curate) {
+ metadata_ ~=
+ "<p class=\"lev4\"><a href=\"../../topics.html#"
+ ~ subject_tree[0].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[1].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[2].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[3].translate([' ' : "_"]) ~ "\">"
+ ~ subject_tree[3]
+ ~ "</a></p>";
+ } else {
+ metadata_ ~=
+ "<p class=\"lev4\">" ~ subject_tree[3] ~ "</p>";
+ }
+ }
+ if (subject_tree.length > 4) {
+ if (subject_tree[4] != _top[4]) {
+ _top[4] = subject_tree[4];
+ if (doc_matters.opt.action.html_link_curate) {
+ metadata_ ~=
+ "<p class=\"lev5\"><a href=\"../../topics.html#"
+ ~ subject_tree[0].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[1].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[2].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[3].translate([' ' : "_"]) ~ "."
+ ~ subject_tree[4].translate([' ' : "_"]) ~ "\">"
+ ~ subject_tree[4]
+ ~ "</a></p>";
+ } else {
+ metadata_ ~=
+ "<p class=\"lev5\">" ~ subject_tree[4] ~ "</p>";
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ } else if (doc_matters.opt.action.debug_do) {
+ writeln("WARNING no topic_register classification of text provided in document header ", doc_matters.src.filename_base);
+ }
+ metadata_write_output(doc_matters, metadata_);
+ }
+}