DocBook: generate chapter metadata in <info>, for Springer mono.

autotests/export/docbook/svmono_light.lyx

@@ -104,6 +104,10 @@
 
 \begin_body
 
+\begin_layout Standard
+\begin_inset Note Note
+status collapsed
+
 \begin_layout Author
 Author name(s)
 \end_layout
@@ -116,9 +120,9 @@ Book title
 
 \end_layout
 
-\begin_layout Standard
+\begin_layout Plain Layout
 \begin_inset Note Note
-status open
+status collapsed
 
 \begin_layout Preface
 
@@ -154,10 +158,15 @@ author or editor
 
 \end_layout
 
-\begin_layout Standard
+\begin_layout Plain Layout
 
 \end_layout
 
+\begin_layout Plain Layout
+\noindent
+\begin_inset Note Note
+status collapsed
+
 \begin_layout PartBacktext
 \noindent
 \begin_inset Argument 1
@@ -173,6 +182,16 @@ Part Title
  page) on its verso page.
 \end_layout
 
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
 \begin_layout Chapter
 Chapter Heading
 \begin_inset CommandInset label
@@ -186,16 +205,6 @@ name "chap:intro"
 
 \begin_layout Running Chapter
 chapter heading in the running head
-\begin_inset Note Note
-status open
-
-\begin_layout Plain Layout
-optional
-\end_layout
-
-\end_inset
-
-
 \end_layout
 
 \begin_layout Abstract*
@@ -315,16 +324,6 @@ name "sec:Section-Heading"
 
 \begin_layout Running Section
 section heading in the running head
-\begin_inset Note Note
-status open
-
-\begin_layout Plain Layout
-optional
-\end_layout
-
-\end_inset
-
-
 \end_layout
 
 \begin_layout Standard

autotests/export/docbook/svmono_light.xml

@@ -2,32 +2,24 @@
 <!-- This DocBook file was created by LyX 2.4.0dev
   See http://www.lyx.org/ for more information -->
 <book xml:lang="en_US" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns:xi="http://www.w3.org/2001/XInclude" version="5.2">
-<info>
+<title>Untitled Document</title>
-<title>Book title</title>
-<author>
-<personname>Author name(s)</personname>
-</author>
-</info>
-<part>
-<!-- par --><title>Part Title</title>
- Part title page and, if desired, a short introductory text (maximum one page) on its verso page.</part>
 <chapter xml:id="chap.intro">
 <title>Chapter Heading</title>
-</chapter>
+<info>
 <titleabbrev>chapter heading in the running head</titleabbrev>
 <abstract role='not-printed'>
-<para>Each chapter should be preceded by an abstract (10–15 lines long) that summarizes the content. The abstract will appear <emphasis>online at <link xlink:href="www.SpringerLink.com">www.SpringerLink.com</link> and be available with unrestricted access. This allows unregistered users to read the abstract as a teaser for the complete chapter. As a general rule the abstracts will not appear in the printed version of your book unless it is the style of your particular book or that of the series to which your book belongs.</emphasis><!-- \indent -->
+<para>Each chapter should be preceded by an abstract (10–15 lines long) that summarizes the content. The abstract will appear <emphasis>online at  and be available with unrestricted access. This allows unregistered users to read the abstract as a teaser for the complete chapter. As a general rule the abstracts will not appear in the printed version of your book unless it is the style of your particular book or that of the series to which your book belongs.</emphasis><!-- \indent -->
  Please use the 'starred' version of the <code>abstract</code> environment for typesetting the text of the online abstracts. Use the plain <code>abstract</code> if the abstract is also to appear in the printed version of the book.</para>
 </abstract>
 <abstract>
-<para>Each chapter should be preceded by an abstract (10–15 lines long) that summarizes the content. The abstract will appear <emphasis>online at <link xlink:href="www.SpringerLink.com">www.SpringerLink.com</link> and be available with unrestricted access. This allows unregistered users to read the abstract as a teaser for the complete chapter. As a general rule the abstracts will not appear in the printed version of your book unless it is the style of your particular book or that of the series to which your book belongs.</emphasis><!-- \indent -->
+<para>Each chapter should be preceded by an abstract (10–15 lines long) that summarizes the content. The abstract will appear <emphasis>online at  and be available with unrestricted access. This allows unregistered users to read the abstract as a teaser for the complete chapter. As a general rule the abstracts will not appear in the printed version of your book unless it is the style of your particular book or that of the series to which your book belongs.</emphasis><!-- \indent -->
  Please use the 'starred' version of the <code>abstract</code> environment for typesetting the text of the online abstracts. Use the plain <code>abstract</code> if the abstract is also to appear in the printed version of the book.</para>
 </abstract>
+</info>
 <section xml:id="sec.Section-Heading">
 <title>Section Heading</title>
-</section>
 <titleabbrev>section heading in the running head</titleabbrev>
-<para>bla</para>
+</section>
 <section xml:id="sec.Section-Heading-2">
 <title>Section Heading 2</title>
 <para>Instead of simply listing headings of different levels we recommend to let every heading be followed by at least a short passage of text.</para>
@@ -42,9 +34,7 @@
  </m:mrow>
  </m:math>
 </informalequation>
- however, for multiline equations we recommend to use the <emphasis role='sans'>eqnarray</emphasis> environment<footnote>
+ however, for multiline equations we recommend to use the <emphasis role='sans'>eqnarray</emphasis> environment. 
-<para>In physics texts please activate the class option <code>vecphys</code> to depict your vectors in <emphasis role='bold'><emphasis>boldface-italic</emphasis> type - as is customary for a wide range of physical subjects.</emphasis></para>
-</footnote>. 
 <informalequation xml:id="eq.01">
 <alt role='tex'>a\times b &amp; = &amp; c\nonumber \\
 \vec{a}\cdot\vec{b} &amp; = &amp; c\label{eq:01}
@@ -85,4 +75,5 @@
 </informalequation>
 </para>
 </section>
+</chapter>
 </book>

lib/layouts/svcommon.inc

@@ -433,6 +433,7 @@ Style Running_Title
 	LabelString	"Running title:"
 	DocBookTag            titleabbrev
 	DocBookTagType        paragraph
+	DocBookInInfo         maybe
 End
 
 Style Running_Author
@@ -450,6 +451,7 @@ Style Running_Chapter
 	LabelString	"Running chapter:"
 	DocBookTag            titleabbrev
 	DocBookTagType        paragraph
+	DocBookInInfo         maybe
 	DocBookSection        false
 End
 
@@ -459,6 +461,7 @@ Style Running_Section
 	LabelString	"Running section:"
 	DocBookTag            titleabbrev
 	DocBookTagType        paragraph
+	DocBookInInfo         maybe
 End
 
 Style Abstract

src/output_docbook.cpp

@@ -782,8 +782,14 @@ bool hasOnlyNotes(Paragraph const & par)
 
 DocBookInfoTag getParagraphsWithInfo(ParagraphList const &paragraphs,
 									 pit_type bpit, pit_type const epit,
-									 // Typically, bpit is the beginning of the document and epit the end *or* the first section.
+									 // Typically, bpit is the beginning of the document and epit the end of the
-									 bool documentHasSections) {
+									 // document *or* the first section.
+									 bool documentHasSections,
+									 bool detectUnlayoutedAbstract
+									 // Whether paragraphs with no specific layout should be detected as abstracts.
+									 // For inner sections, an abstract should only be detected if it has a specific
+									 // layout. For others, anything that might look like an abstract should be sought.
+									 ) {
 	set<pit_type> shouldBeInInfo;
 	set<pit_type> mustBeInInfo;
 	set<pit_type> abstractWithLayout;
@@ -804,7 +810,8 @@ DocBookInfoTag getParagraphsWithInfo(ParagraphList const &paragraphs,
 	for (; cpit < epit; ++cpit) {
 		// Skip paragraphs that don't generate anything in DocBook.
 		Paragraph const & par = paragraphs[cpit];
-		if (hasOnlyNotes(par))
+		Layout const &style = par.layout();
+		if (hasOnlyNotes(par) || style.docbookininfo() == "never")
 			continue;
 
 		// There should never be any section here. (Just a sanity check: if this fails, this function could end up
@@ -815,7 +822,7 @@ DocBookInfoTag getParagraphsWithInfo(ParagraphList const &paragraphs,
 		}
 
 		// If this is marked as an abstract by the layout, put it in the right set.
-		if (par.layout().docbookabstract()) {
+		if (style.docbookabstract()) {
 			hasAbstractLayout = true;
 			abstractWithLayout.emplace(cpit);
 			continue;
@@ -823,13 +830,11 @@ DocBookInfoTag getParagraphsWithInfo(ParagraphList const &paragraphs,
 
 		// Based on layout information, store this paragraph in one set: should be in <info>, must be,
 		// or abstract (either because of layout or of position).
-		Layout const &style = par.layout();
-
 		if (style.docbookininfo() == "always")
 			mustBeInInfo.emplace(cpit);
 		else if (style.docbookininfo() == "maybe")
 			shouldBeInInfo.emplace(cpit);
-		else if (documentHasSections && !hasAbstractLayout)
+		else if (documentHasSections && !hasAbstractLayout && detectUnlayoutedAbstract)
 			abstractNoLayout.emplace(cpit);
 		else // This should definitely not be in <info>.
 			break;
@@ -991,7 +996,7 @@ void docbookSimpleAllParagraphs(
 	ParagraphList const &paragraphs = text.paragraphs();
 
 	// First, the <info> tag.
-	DocBookInfoTag info = getParagraphsWithInfo(paragraphs, bpit, epit, false);
+	DocBookInfoTag info = getParagraphsWithInfo(paragraphs, bpit, epit, false, true);
 	outputDocBookInfo(text, buf, xs, runparams, paragraphs, info);
 
 	// Then, the content. It starts where the <info> ends.
@@ -1039,7 +1044,7 @@ void docbookParagraphs(Text const &text,
 	}
 
 	// Output the first <info> tag (or just the title).
-	DocBookInfoTag info = getParagraphsWithInfo(paragraphs, bpit, eppit, true);
+	DocBookInfoTag info = getParagraphsWithInfo(paragraphs, bpit, eppit, true, true);
 	outputDocBookInfo(text, buf, xs, runparams, paragraphs, info);
 	bpit = info.epit;
 
@@ -1134,27 +1139,77 @@ void docbookParagraphs(Text const &text,
 		// Generate this paragraph.
 		par = makeAny(text, buf, xs, ourparams, par);
 
-		// Some special sections may require abstracts (mostly parts, in books).
+		// Some sections may require abstracts (mostly parts, in books: DocBookForceAbstractTag will not be NONE),
+		// others can still have an abstract (it must be detected so that it can be output at the right place).
 		// TODO: docbookforceabstracttag is a bit contrived here, but it does the job. Having another field just for this would be cleaner, but that's just for <part> and <partintro>, so it's probably not worth the effort.
-		if (isLayoutSectioning(style) && style.docbookforceabstracttag() != "NONE") {
+		if (isLayoutSectioning(style)) {
 			// This abstract may be found between the next paragraph and the next title.
 			pit_type cpit = std::distance(text.paragraphs().begin(), par);
 			pit_type ppit = std::get<1>(hasDocumentSectioning(paragraphs, cpit, epit));
 
 			// Generate this abstract (this code corresponds to parts of outputDocBookInfo).
-			DocBookInfoTag secInfo = getParagraphsWithInfo(paragraphs, cpit, ppit, true);
+			DocBookInfoTag secInfo = getParagraphsWithInfo(paragraphs, cpit, ppit, true,
+												  style.docbookforceabstracttag() != "NONE");
 
-			if (!secInfo.abstract.empty()) {
+			if (!secInfo.mustBeInInfo.empty() || !secInfo.shouldBeInInfo.empty() || !secInfo.abstract.empty()) {
-				xs << xml::StartTag(style.docbookforceabstracttag());
+				// Generate the <info>, if required. If DocBookForceAbstractTag != NONE, this abstract will not be in
-				xs << xml::CR();
+				// <info>, unlike other ("standard") abstracts.
-				for (auto const &p : secInfo.abstract)
+				bool hasStandardAbstract = !secInfo.abstract.empty() && style.docbookforceabstracttag() == "NONE";
-					makeAny(text, buf, xs, runparams, paragraphs.iterator_at(p));
+				bool needInfo = !secInfo.mustBeInInfo.empty() || hasStandardAbstract;
-				xs << xml::EndTag(style.docbookforceabstracttag());
+
-				xs << xml::CR();
+				if (needInfo) {
+					xs.startDivision(false);
+					xs << xml::StartTag("info");
+					xs << xml::CR();
+				}
+
+				// Output the elements that should go in <info>, before and after the abstract.
+				for (auto pit : secInfo.shouldBeInInfo) // Typically, the title: these elements are so important and ubiquitous
+					// that mandating a wrapper like <info> would repel users. Thus, generate them first.
+					makeAny(text, buf, xs, runparams, paragraphs.iterator_at(pit));
+				for (auto pit : secInfo.mustBeInInfo)
+					makeAny(text, buf, xs, runparams, paragraphs.iterator_at(pit));
+
+				// Deal with the abstract in <info> if it is standard (i.e. its tag is <abstract>).
+				if (!secInfo.abstract.empty() && hasStandardAbstract) {
+					if (!secInfo.abstractLayout) {
+						xs << xml::StartTag("abstract");
+						xs << xml::CR();
+					}
+
+					for (auto const &p : secInfo.abstract)
+						makeAny(text, buf, xs, runparams, paragraphs.iterator_at(p));
+
+					if (!secInfo.abstractLayout) {
+						xs << xml::EndTag("abstract");
+						xs << xml::CR();
+					}
+				}
+
+				// End the <info> tag if it was started.
+				if (needInfo) {
+					if (!xs.isLastTagCR())
+						xs << xml::CR();
+
+					xs << xml::EndTag("info");
+					xs << xml::CR();
+					xs.endDivision();
+				}
+
+				// Deal with the abstract outside <info> if it is not standard (i.e. its tag is layout-defined).
+				if (!secInfo.abstract.empty() && !hasStandardAbstract) {
+					// Assert: style.docbookforceabstracttag() != NONE.
+					xs << xml::StartTag(style.docbookforceabstracttag());
+					xs << xml::CR();
+					for (auto const &p : secInfo.abstract)
+						makeAny(text, buf, xs, runparams, paragraphs.iterator_at(p));
+					xs << xml::EndTag(style.docbookforceabstracttag());
+					xs << xml::CR();
+				}
+
+				// Skip all the text that just has been generated.
+				par = paragraphs.iterator_at(ppit);
 			}
-
-			// Skip all the text that just has been generated.
-			par = paragraphs.iterator_at(ppit);
 		}
 	}