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XHTML: fix generation of many useless </section>.

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This commit is contained in:
Thibaut Cuvelier 2020-09-11 00:44:49 +02:00
parent faec783822
commit 5f0720e947
1 changed files with 18 additions and 10 deletions
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28
src/output_xhtml.cpp
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@ -611,20 +611,26 @@ void xhtmlParagraphs(Text const & text,
// Think about adding <section> and/or </section>s.
if (style.category() == from_utf8("Sectioning")) {
int level = style.toclevel;
// Need to close a previous section if it has the same level or a higher one (close <section> if opening a
// <h2> after a <h2>, <h3>, <h4>, <h5>, or <h6>). More examples:
// <h2> after a <h2>, <h3>, <h4>, <h5> or <h6>). More examples:
// - current: h2; back: h1; do not close any <section>
// - current: h1; back: h2; close two <section> (first the <h2>, then the <h1>, so a new <h1> can come)
// The level (h1, h2, etc.) corresponds to style.toclevel.
while (! headerLevels.empty() && style.toclevel <= headerLevels.top()) {
while (!headerLevels.empty() && level <= headerLevels.top()) {
// Output the tag only if it corresponds to a legit section.
int stackLevel = headerLevels.top();
if (stackLevel != Layout::NOT_IN_TOC && level > 1) { // <h1> is the document title.
xs << xml::EndTag("section");
xs << xml::CR();
}
headerLevels.pop();
xs << xml::EndTag("section");
xs << xml::CR();
}
// Open the new one.
headerLevels.push(style.toclevel);
if (style.toclevel > 1) { // <h1> is the document title.
// Open the new section: first push it onto the stack, then output it in XHTML.
headerLevels.push(level);
// Some sectioning-like elements should not be output (such as FrontMatter).
if (level != Layout::NOT_IN_TOC && level > 1) { // <h1> is the document title.
xs << xml::StartTag("section");
xs << xml::CR();
}
@ -669,9 +675,11 @@ void xhtmlParagraphs(Text const & text,
// If need be, close <section>s, but only at the end of the document (otherwise, dealt with at the beginning
// of the loop).
while (! headerLevels.empty() && headerLevels.top() > 1) {
while (!headerLevels.empty() && headerLevels.top() > Layout::NOT_IN_TOC) {
docstring tag = from_utf8("</section>");
headerLevels.pop();
xs << xml::EndTag("section") << xml::CR();
xs << XMLStream::ESCAPE_NONE << tag;
xs << xml::CR();
}
}