X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBuffer.cpp;h=97a6cfbd31afe1e771034326ef982b37fff7a7fb;hb=294e4884ee29585d311177406cd31499e6d81877;hp=4be7e2119701c6a456ee574300d5aa3ffb18c39d;hpb=f9999039ac7278a719513fdd15c34f12846a1189;p=lyx.git

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 4be7e21197..97a6cfbd31 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -46,18 +46,18 @@
 #include "LyX.h"
 #include "LyXRC.h"
 #include "LyXVC.h"
-#include "output_docbook.h"
 #include "output.h"
 #include "output_latex.h"
-#include "output_xhtml.h"
+#include "output_docbook.h"
 #include "output_plaintext.h"
+#include "output_xhtml.h"
 #include "Paragraph.h"
 #include "ParagraphParameters.h"
 #include "ParIterator.h"
 #include "PDFOptions.h"
 #include "Session.h"
 #include "SpellChecker.h"
-#include "sgml.h"
+#include "xml.h"
 #include "texstream.h"
 #include "TexRow.h"
 #include "Text.h"
@@ -111,8 +111,6 @@
 #include "support/textutils.h"
 #include "support/types.h"
 
-#include "support/bind.h"
-
 #include <algorithm>
 #include <fstream>
 #include <iomanip>
@@ -297,6 +295,8 @@ public:
 	///
 	CloneList_ptr clone_list_;
 
+	///
+	std::list<Buffer const *> include_list_;
 private:
 	/// So we can force access via the accessors.
 	mutable Buffer const * parent_buffer;
@@ -1093,6 +1093,10 @@ bool Buffer::readDocument(Lexer & lex)
 		d->old_position = params().origin;
 	else
 		d->old_position = filePath();
+
+	if (!parent())
+		clearIncludeList();
+
 	bool const res = text().read(lex, errorList, d->inset);
 	d->old_position.clear();
 
@@ -2108,7 +2112,7 @@ Buffer::ExportStatus Buffer::makeDocBookFile(FileName const & fname,
 	updateMacroInstances(OutputUpdate);
 
 	ExportStatus const retval =
-		writeDocBookSource(ofs, fname.absFileName(), runparams, output);
+		writeDocBookSource(ofs, runparams, output);
 	if (retval == ExportKilled)
 		return ExportKilled;
 
@@ -2119,85 +2123,56 @@ Buffer::ExportStatus Buffer::makeDocBookFile(FileName const & fname,
 }
 
 
-Buffer::ExportStatus Buffer::writeDocBookSource(odocstream & os, string const & fname,
+Buffer::ExportStatus Buffer::writeDocBookSource(odocstream & os,
 			     OutputParams const & runparams,
 			     OutputWhat output) const
 {
 	LaTeXFeatures features(*this, params(), runparams);
 	validate(features);
+	d->bibinfo_.makeCitationLabels(*this);
 
 	d->texrow.reset();
 
 	DocumentClass const & tclass = params().documentClass();
-	string const & top_element = tclass.latexname();
 
 	bool const output_preamble =
 		output == FullSource || output == OnlyPreamble;
 	bool const output_body =
 	  output == FullSource || output == OnlyBody;
 
-	if (output_preamble) {
-		if (runparams.flavor == OutputParams::XML)
-			os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
-
-		// FIXME UNICODE
-		os << "<!DOCTYPE " << from_ascii(top_element) << ' ';
+	XMLStream xs(os);
 
-		// FIXME UNICODE
-		if (! tclass.class_header().empty())
-			os << from_ascii(tclass.class_header());
-		else if (runparams.flavor == OutputParams::XML)
-			os << "PUBLIC \"-//OASIS//DTD DocBook XML V4.2//EN\" "
-			    << "\"https://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd\"";
-		else
-			os << " PUBLIC \"-//OASIS//DTD DocBook V4.2//EN\"";
-
-		docstring preamble = params().preamble;
-		if (runparams.flavor != OutputParams::XML ) {
-			preamble += "<!ENTITY % output.print.png \"IGNORE\">\n";
-			preamble += "<!ENTITY % output.print.pdf \"IGNORE\">\n";
-			preamble += "<!ENTITY % output.print.eps \"IGNORE\">\n";
-			preamble += "<!ENTITY % output.print.bmp \"IGNORE\">\n";
-		}
+	if (output_preamble) {
+		// XML preamble, no doctype needed.
+		// Not using XMLStream for this, as the root tag would be in the tag stack and make troubles with the error
+		// detection mechanisms (these are called before the end tag is output, and thus interact with the canary
+		// parsep in output_docbook.cpp).
+		os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+		   << "<!-- This DocBook file was created by LyX " << lyx_version
+		   << "\n  See http://www.lyx.org/ for more information -->\n";
 
-		string const name = runparams.nice
-			? changeExtension(absFileName(), ".sgml") : fname;
-		preamble += features.getIncludedFiles(name);
-		preamble += features.getLyXSGMLEntities();
+		// Directly output the root tag, based on the current type of document.
+		string languageCode = params().language->code();
+		string params = "xml:lang=\"" + languageCode + '"'
+						+ " 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\"";
 
-		if (!preamble.empty()) {
-			os << "\n [ " << preamble << " ]";
-		}
-		os << ">\n\n";
+		os << "<" << from_ascii(tclass.docbookroot()) << " " << from_ascii(params) << ">\n";
 	}
 
 	if (output_body) {
-		string top = top_element;
-		top += " lang=\"";
-		if (runparams.flavor == OutputParams::XML)
-			top += params().language->code();
-		else
-			top += params().language->code().substr(0, 2);
-		top += '"';
-
-		if (!params().options.empty()) {
-			top += ' ';
-			top += params().options;
-		}
-
-		os << "<!-- " << ((runparams.flavor == OutputParams::XML)? "XML" : "SGML")
-				<< " file was created by LyX " << lyx_version
-				<< "\n  See https://www.lyx.org/ for more information -->\n";
-
 		params().documentClass().counters().reset();
 
-		sgml::openTag(os, top);
-		os << '\n';
-		try {
-			docbookParagraphs(text(), *this, os, runparams);
-		}
-		catch (ConversionException const &) { return ExportKilled; }
-		sgml::closeTag(os, top_element);
+		// Start to output the document.
+		docbookParagraphs(text(), *this, xs, runparams);
+	}
+
+	if (output_preamble) {
+		// Close the root element.
+		os << "\n</" << from_ascii(tclass.docbookroot()) << ">";
 	}
 	return ExportSuccess;
 }
@@ -2255,7 +2230,7 @@ Buffer::ExportStatus Buffer::writeLyXHTMLSource(odocstream & os,
 		os << "<title>"
 		   << (doctitle.empty() ?
 		         from_ascii("LyX Document") :
-		         html::htmlize(doctitle, XHTMLStream::ESCAPE_ALL))
+		         xml::escapeString(doctitle, XMLStream::ESCAPE_ALL))
 		   << "</title>\n";
 
 		docstring styles = features.getTClassHTMLPreamble();
@@ -2321,7 +2296,7 @@ Buffer::ExportStatus Buffer::writeLyXHTMLSource(odocstream & os,
 		bool const output_body_tag = (output != IncludedFile);
 		if (output_body_tag)
 			os << "<body dir=\"auto\">\n";
-		XHTMLStream xs(os);
+		XMLStream xs(os);
 		if (output != IncludedFile)
 			// if we're an included file, the counters are in the master.
 			params().documentClass().counters().reset();
@@ -2398,6 +2373,9 @@ void Buffer::validate(LaTeXFeatures & features) const
 	if (!features.runparams().is_child)
 		params().validate(features);
 
+	if (!parent())
+		clearIncludeList();
+
 	for (Paragraph const & p : paragraphs())
 		p.validate(features);
 
@@ -2610,6 +2588,9 @@ void Buffer::reloadBibInfoCache(bool const force) const
 
 void Buffer::collectBibKeys(FileNameList & checkedFiles) const
 {
+	if (!parent())
+		clearIncludeList();
+
 	for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
 		it->collectBibKeys(it, checkedFiles);
 		if (it->lyxCode() == BIBITEM_CODE) {
@@ -3005,7 +2986,7 @@ void Buffer::dispatch(FuncRequest const & func, DispatchResult & dr)
 				// get buffer of external file
 				InsetInclude const & ins =
 					static_cast<InsetInclude const &>(*it);
-				Buffer * child = ins.getChildBuffer();
+				Buffer * child = ins.loadIfNeeded();
 				if (!child)
 					continue;
 				child->dispatch(func, dr);
@@ -3083,9 +3064,10 @@ void Buffer::changeLanguage(Language const * from, Language const * to)
 	LASSERT(from, return);
 	LASSERT(to, return);
 
-	for_each(par_iterator_begin(),
-		 par_iterator_end(),
-		 bind(&Paragraph::changeLanguage, _1, params(), from, to));
+	ParIterator it = par_iterator_begin();
+	ParIterator eit = par_iterator_end();
+	for (; it != eit; ++it)
+		it->changeLanguage(params(), from, to);
 }
 
 
@@ -3472,8 +3454,37 @@ bool Buffer::isReadonly() const
 
 void Buffer::setParent(Buffer const * buffer)
 {
-	// Avoids recursive include.
-	d->setParent(buffer == this ? nullptr : buffer);
+	// We need to do some work here to avoid recursive parent structures.
+	// This is the easy case.
+	if (buffer == this) {
+		LYXERR0("Ignoring attempt to set self as parent in\n" << fileName());
+		return;
+	}
+	// Now we check parents going upward, to make sure that IF we set the
+	// parent as requested, we would not generate a recursive include.
+	set<Buffer const *> sb;
+	Buffer const * b = buffer;
+	bool found_recursion = false;
+	while (b) {
+		if (sb.find(b) != sb.end()) {
+			found_recursion = true;
+			break;
+		}
+		sb.insert(b);
+		b = b->parent();
+	}
+
+	if (found_recursion) {
+		LYXERR0("Ignoring attempt to set parent of\n" <<
+			fileName() <<
+			"\nto " <<
+			buffer->fileName() <<
+			"\nbecause that would create a recursive inclusion.");
+		return;
+	}
+
+	// We should be safe now.
+	d->setParent(buffer);
 	updateMacros();
 }
 
@@ -3494,8 +3505,6 @@ ListOfBuffers Buffer::allRelatives() const
 
 Buffer const * Buffer::masterBuffer() const
 {
-	// FIXME Should be make sure we are not in some kind
-	// of recursive include? A -> B -> A will crash this.
 	Buffer const * const pbuf = d->parent();
 	if (!pbuf)
 		return this;
@@ -3766,7 +3775,7 @@ void Buffer::Impl::updateMacros(DocIterator & it, DocIterator & scope)
 				InsetInclude const & incinset =
 					static_cast<InsetInclude const &>(*insit.inset);
 				macro_lock = true;
-				Buffer * child = incinset.getChildBuffer();
+				Buffer * child = incinset.loadIfNeeded();
 				macro_lock = false;
 				if (!child)
 					continue;
@@ -3861,7 +3870,7 @@ void Buffer::getUsedBranches(std::list<docstring> & result, bool const from_mast
 			// get buffer of external file
 			InsetInclude const & ins =
 				static_cast<InsetInclude const &>(*it);
-			Buffer * child = ins.getChildBuffer();
+			Buffer * child = ins.loadIfNeeded();
 			if (!child)
 				continue;
 			child->getUsedBranches(result, true);
@@ -4085,7 +4094,7 @@ unique_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
 			par.write(ods, params(), dt);
 			os << from_utf8(ods.str());
 		} else if (runparams.flavor == OutputParams::HTML) {
-			XHTMLStream xs(os);
+			XMLStream xs(os);
 			setMathFlavor(runparams);
 			xhtmlParagraphs(text(), *this, xs, runparams);
 		} else if (runparams.flavor == OutputParams::TEXT) {
@@ -4094,8 +4103,9 @@ unique_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
 			// Probably should have some routine with a signature like them.
 			writePlaintextParagraph(*this,
 				text().paragraphs()[par_begin], os, runparams, dummy);
-		} else if (params().isDocBook()) {
-			docbookParagraphs(text(), *this, os, runparams);
+		} else if (runparams.flavor == OutputParams::DOCBOOK5) {
+			XMLStream xs{os};
+			docbookParagraphs(text(), *this, xs, runparams);
 		} else {
 			// If we are previewing a paragraph, even if this is the
 			// child of some other buffer, let's cut the link here,
@@ -4147,8 +4157,8 @@ unique_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
 				os << "% "<< _("Plain text does not have a preamble.");
 			} else
 				writePlaintextFile(*this, os, runparams);
-		} else if (params().isDocBook()) {
-				writeDocBookSource(os, absFileName(), runparams, output);
+		} else if (runparams.flavor == OutputParams::DOCBOOK5) {
+			writeDocBookSource(os, runparams, output);
 		} else {
 			// latex or literate
 			otexstream ots(os);
@@ -4457,8 +4467,9 @@ Buffer::ExportStatus Buffer::doExport(string const & target, bool put_in_tempdir
 			return ExportKilled;
 	} else if (backend_format == "lyx")
 		writeFile(FileName(filename));
-	// Docbook backend
-	else if (params().isDocBook()) {
+	// DocBook backend
+	else if (backend_format == "docbook5") {
+		runparams.flavor = OutputParams::DOCBOOK5;
 		runparams.nice = !put_in_tempdir;
 		if (makeDocBookFile(FileName(filename), runparams) == ExportKilled)
 			return ExportKilled;
@@ -4948,6 +4959,8 @@ void Buffer::updateBuffer(UpdateScope scope, UpdateType utype) const
 
 	// do the real work
 	ParIterator parit = cbuf.par_iterator_begin();
+	if (scope == UpdateMaster)
+		clearIncludeList();
 	updateBuffer(parit, utype);
 
 	// If this document has siblings, then update the TocBackend later. The
@@ -4990,6 +5003,7 @@ void Buffer::updateBuffer(UpdateScope scope, UpdateType utype) const
 	}
 	d->cite_labels_valid_ = true;
 	/// FIXME: Perf
+	clearIncludeList();
 	cbuf.tocBackend().update(true, utype);
 	if (scope == UpdateMaster)
 		cbuf.structureChanged();
@@ -5220,6 +5234,7 @@ void Buffer::Impl::setLabel(ParIterator & it, UpdateType utype) const
 
 void Buffer::updateBuffer(ParIterator & parit, UpdateType utype, bool const deleted) const
 {
+	pushIncludedBuffer(this);
 	// LASSERT: Is it safe to continue here, or should we just return?
 	LASSERT(parit.pit() == 0, /**/);
 
@@ -5227,11 +5242,6 @@ void Buffer::updateBuffer(ParIterator & parit, UpdateType utype, bool const dele
 	// to resolve macros in it.
 	parit.text()->setMacrocontextPosition(parit);
 
-	// Reset bibitem counter in master (#8499)
-	Buffer const * const master = masterBuffer();
-	if (master == this && !d->ignore_parent)
-		master->params().documentClass().counters().reset(from_ascii("bibitem"));
-
 	depth_type maxdepth = 0;
 	pit_type const lastpit = parit.lastpit();
 	bool changed = false;
@@ -5275,6 +5285,7 @@ void Buffer::updateBuffer(ParIterator & parit, UpdateType utype, bool const dele
 	// set change indicator for the inset (or the cell that the iterator
 	// points to, if applicable).
 	parit.text()->inset().isChanged(changed);
+	popIncludedBuffer();
 }
 
 
@@ -5351,8 +5362,11 @@ void Buffer::Impl::updateStatistics(DocIterator & from, DocIterator & to, bool s
 					++word_count_;
 					inword = true;
 				}
-				if (ins && ins->isLetter())
-					++char_count_;
+				if (ins && ins->isLetter()) {
+					odocstringstream os;
+					ins->toString(os);
+					char_count_ += os.str().length();
+				}
 				else if (ins && ins->isSpace())
 					++blank_count_;
 				else {
@@ -5591,4 +5605,55 @@ void Buffer::clearExternalModification() const
 }
 
 
+void Buffer::pushIncludedBuffer(Buffer const * buf) const
+{
+	masterBuffer()->d->include_list_.push_back(buf);
+	if (lyxerr.debugging(Debug::FILES)) {
+		LYXERR0("Pushed. Stack now:");
+		if (masterBuffer()->d->include_list_.empty())
+			LYXERR0("EMPTY!");
+		else
+			for (auto const & b : masterBuffer()->d->include_list_)
+				LYXERR0(b->fileName());
+	}
+}
+
+
+void Buffer::popIncludedBuffer() const
+{
+	masterBuffer()->d->include_list_.pop_back();
+	if (lyxerr.debugging(Debug::FILES)) {
+		LYXERR0("Popped. Stack now:");
+		if (masterBuffer()->d->include_list_.empty())
+			LYXERR0("EMPTY!");
+		else
+			for (auto const & b : masterBuffer()->d->include_list_)
+				LYXERR0(b->fileName());
+	}
+}
+
+
+bool Buffer::isBufferIncluded(Buffer const * buf) const
+{
+	if (!buf)
+		return false;
+	if (lyxerr.debugging(Debug::FILES)) {
+		LYXERR0("Checking for " << buf->fileName() << ". Stack now:");
+		if (masterBuffer()->d->include_list_.empty())
+			LYXERR0("EMPTY!");
+		else
+			for (auto const & b : masterBuffer()->d->include_list_)
+				LYXERR0(b->fileName());
+	}
+	list<Buffer const *> const & blist = masterBuffer()->d->include_list_;
+	return find(blist.begin(), blist.end(), buf) != blist.end();
+}
+
+
+void Buffer::clearIncludeList() const
+{
+	LYXERR(Debug::FILES, "Clearing include list for " << fileName());
+	d->include_list_.clear();
+}
+
 } // namespace lyx