Replace auto_ptr with unique_ptr

This is a mechanical replacement. For now it seems that unique_ptrs are
essentially used for exception-safety. More could certainly be done to clarify
pointer ownership in general.

src/Buffer.cpp

@@ -3654,11 +3654,11 @@ void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to)
 }
 
 // returns NULL if id-to-row conversion is unsupported
-auto_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
-			   pit_type par_begin, pit_type par_end,
-			   OutputWhat output, bool master) const
+unique_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
+                                         pit_type par_begin, pit_type par_end,
+                                         OutputWhat output, bool master) const
 {
-	auto_ptr<TexRow> texrow(NULL);
+	unique_ptr<TexRow> texrow;
 	OutputParams runparams(&params().encoding());
 	runparams.nice = true;
 	runparams.flavor = params().getOutputFlavor(format);
@@ -3712,7 +3712,7 @@ auto_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
 			LaTeXFeatures features(*this, params(), runparams);
 			params().validate(features);
 			runparams.use_polyglossia = features.usePolyglossia();
-			texrow.reset(new TexRow());
+			texrow = make_unique<TexRow>();
 			texrow->newline();
 			texrow->newline();
 			// latex or literate
@@ -3755,7 +3755,7 @@ auto_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
 				writeDocBookSource(os, absFileName(), runparams, output);
 		} else {
 			// latex or literate
-			texrow.reset(new TexRow());
+			texrow = make_unique<TexRow>();
 			texrow->newline();
 			texrow->newline();
 			otexstream ots(os, *texrow);

src/Buffer.h

@@ -15,6 +15,7 @@
 #include "OutputEnums.h"
 #include "OutputParams.h"
 
+#include "support/unique_ptr.h"
 #include "support/strfwd.h"
 #include "support/types.h"
 
@@ -623,8 +624,8 @@ public:
 
 	/// get source code (latex/docbook) for some paragraphs, or all paragraphs
 	/// including preamble
-	/// returns NULL if Id to Row conversion is unsupported
-	std::auto_ptr<TexRow> getSourceCode(odocstream & os,
+	/// returns nullptr if Id to Row conversion is unsupported
+	unique_ptr<TexRow> getSourceCode(odocstream & os,
 			std::string const & format, pit_type par_begin,
 			pit_type par_end, OutputWhat output, bool master) const;
 

src/BufferList.cpp

@@ -130,9 +130,9 @@ Buffer * BufferList::newBuffer(string const & s)
 
 Buffer * BufferList::createNewBuffer(string const & s)
 {
-	auto_ptr<Buffer> tmpbuf;
+	unique_ptr<Buffer> tmpbuf;
 	try {
-		tmpbuf.reset(new Buffer(s));
+		tmpbuf = make_unique<Buffer>(s);
 	} catch (ExceptionMessage const & message) {
 		if (message.type_ == ErrorException) {
 			Alert::error(message.title_, message.details_);

src/Text.cpp

@@ -69,6 +69,7 @@
 #include "support/lyxalgo.h"
 #include "support/lyxtime.h"
 #include "support/textutils.h"
+#include "support/unique_ptr.h"
 
 #include <sstream>
 
@@ -463,8 +464,7 @@ void Text::readParToken(Paragraph & par, Lexer & lex,
 	} else if (token == "\\SpecialChar" ||
 	           (token == "\\SpecialCharNoPassThru" &&
 	            !par.layout().pass_thru && !inset().isPassThru())) {
-		auto_ptr<Inset> inset;
-		inset.reset(new InsetSpecialChar);
+		auto inset = make_unique<InsetSpecialChar>();
 		inset->read(lex);
 		inset->setBuffer(*buf);
 		par.insertInset(par.size(), inset.release(), font, change);
@@ -473,8 +473,7 @@ void Text::readParToken(Paragraph & par, Lexer & lex,
 		docstring const s = ltrim(lex.getDocString(), "\\");
 		par.insert(par.size(), s, font, change);
 	} else if (token == "\\IPAChar") {
-		auto_ptr<Inset> inset;
-		inset.reset(new InsetIPAChar);
+		auto inset = make_unique<InsetIPAChar>();
 		inset->read(lex);
 		inset->setBuffer(*buf);
 		par.insertInset(par.size(), inset.release(), font, change);
@@ -499,7 +498,7 @@ void Text::readParToken(Paragraph & par, Lexer & lex,
 	} else if (token == "\\backslash") {
 		par.appendChar('\\', font, change);
 	} else if (token == "\\LyXTable") {
-		auto_ptr<Inset> inset(new InsetTabular(buf));
+		auto inset = make_unique<InsetTabular>(buf);
 		inset->read(lex);
 		par.insertInset(par.size(), inset.release(), font, change);
 	} else if (token == "\\change_unchanged") {

src/factory.cpp

@@ -65,13 +65,14 @@
 #include "frontends/alert.h"
 
 #include "support/debug.h"
-#include "support/lstrings.h"
 #include "support/ExceptionMessage.h"
-
 #include "support/lassert.h"
+#include "support/lstrings.h"
+#include "support/unique_ptr.h"
 
 #include <sstream>
 
+
 using namespace std;
 using namespace lyx::support;
 
@@ -309,7 +310,7 @@ Inset * createInsetHelper(Buffer * buf, FuncRequest const & cmd)
 			case EXTERNAL_CODE: {
 				InsetExternalParams iep;
 				InsetExternal::string2params(to_utf8(cmd.argument()), *buf, iep);
-				auto_ptr<InsetExternal> inset(new InsetExternal(buf));
+				auto inset = make_unique<InsetExternal>(buf);
 				inset->setBuffer(*buf);
 				inset->setParams(iep);
 				return inset.release();
@@ -318,7 +319,7 @@ Inset * createInsetHelper(Buffer * buf, FuncRequest const & cmd)
 			case GRAPHICS_CODE: {
 				InsetGraphicsParams igp;
 				InsetGraphics::string2params(to_utf8(cmd.argument()), *buf, igp);
-				auto_ptr<InsetGraphics> inset(new InsetGraphics(buf));
+				auto inset = make_unique<InsetGraphics>(buf);
 				inset->setParams(igp);
 				return inset.release();
 			}
@@ -514,7 +515,7 @@ Inset * readInset(Lexer & lex, Buffer * buf)
 	if (lex.getString() != "\\begin_inset")
 		LYXERR0("Buffer::readInset: Consistency check failed.");
 
-	auto_ptr<Inset> inset;
+	unique_ptr<Inset> inset;
 
 	string tmptok;
 	lex >> tmptok;

src/frontends/qt4/GuiViewSource.cpp

@@ -111,8 +111,8 @@ void ViewSourceWidget::getContent(BufferView const * view,
 	if (par_begin > par_end)
 		swap(par_begin, par_end);
 	odocstringstream ostr;
-	texrow_ = view->buffer().getSourceCode(ostr, format,
-										par_begin, par_end + 1, output, master);
+	texrow_ = view->buffer()
+		.getSourceCode(ostr, format, par_begin, par_end + 1, output, master);
 	//ensure that the last line can always be selected in its full width
 	str = ostr.str() + "\n";
 }
@@ -201,7 +201,7 @@ void ViewSourceWidget::realUpdateView()
 #ifdef DEVEL_VERSION
 	// output tex<->row correspondences in the source panel if the "-dbg latex"
 	// option is given.
-	if (texrow_.get() && lyx::lyxerr.debugging(Debug::LATEX)) {
+	if (texrow_ && lyx::lyxerr.debugging(Debug::LATEX)) {
 		QStringList list = qcontent.split(QChar('\n'));
 		docstring_list dlist;
 		for (QStringList::const_iterator it = list.begin(); it != list.end(); ++it)
@@ -216,7 +216,7 @@ void ViewSourceWidget::realUpdateView()
 	viewSourceTV->blockSignals(true);
 	bool const changed = setText(qcontent);
 
-	if (changed && !texrow_.get()) {
+	if (changed && !texrow_) {
 		// position-to-row is unavailable
 		// we jump to the first modification
 		const QChar * oc = old.constData();
@@ -246,7 +246,7 @@ void ViewSourceWidget::realUpdateView()
 		//c.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor,1);
 		viewSourceTV->setTextCursor(c);
 
-	} else if (texrow_.get()) {
+	} else if (texrow_) {
 		// Use the available position-to-row conversion to highlight
 		// the current selection in the source
 		std::pair<int,int> rows = texrow_->rowFromCursor(bv_->cursor());
@@ -309,7 +309,7 @@ void ViewSourceWidget::realUpdateView()
 // need a proper LFUN if we want to implement it in release mode
 void ViewSourceWidget::gotoCursor()
 {
-	if (!bv_ || !texrow_.get())
+	if (!bv_ || !texrow_)
 		return;
 	int row = viewSourceTV->textCursor().blockNumber() + 1;
 	const_cast<BufferView *>(bv_)->setCursorFromRow(row, *texrow_);

src/frontends/qt4/GuiViewSource.h

@@ -85,7 +85,7 @@ private:
 	QTimer * update_timer_;
 	/// TexRow information from the last source view. If TexRow is unavailable
 	/// for the last format then texrow_ is null.
-	std::auto_ptr<TexRow> texrow_;
+	unique_ptr<TexRow> texrow_;
 };
 
 

src/insets/ExternalSupport.cpp

@@ -434,7 +434,7 @@ string const substituteIt<TransformCommand>(string const & input,
 	else if (id == Resize)
 		ptr = store.getCommandTransformer(params.resizedata);
 
-	if (!ptr.get())
+	if (!ptr)
 		return input;
 
 	string result =
@@ -473,7 +473,7 @@ string const substituteIt<TransformOption>(string const & input,
 		break;
 	}
 
-	if (!ptr.get())
+	if (!ptr)
 		return input;
 
 	return subst(input, ptr->placeholder(), ptr->option());

src/insets/ExternalTransforms.h

@@ -16,6 +16,8 @@
 
 #include "graphics/GraphicsParams.h"
 
+#include "support/unique_ptr.h"
+
 #include <boost/any.hpp>
 #include <boost/function.hpp>
 
@@ -121,7 +123,7 @@ public:
  */
 class TransformCommand {
 public:
-	typedef std::auto_ptr<TransformCommand const> ptr_type;
+	typedef unique_ptr<TransformCommand const> ptr_type;
 	virtual ~TransformCommand() {}
 
 	/// The string from the External Template that we seek to replace.
@@ -200,7 +202,7 @@ private:
  */
 class TransformOption {
 public:
-	typedef std::auto_ptr<TransformOption const> ptr_type;
+	typedef unique_ptr<TransformOption const> ptr_type;
 	virtual ~TransformOption() {}
 
 	/// The string from the External Template that we seek to replace.

src/mathed/MathExtern.cpp

@@ -45,6 +45,7 @@
 #include "support/lstrings.h"
 #include "support/TempFile.h"
 #include "support/textutils.h"
+#include "support/unique_ptr.h"
 
 #include <algorithm>
 #include <sstream>
@@ -370,7 +371,7 @@ void splitScripts(MathData & ar)
 
 		// create extra script inset and move superscript over
 		InsetMathScript * p = ar[i].nucleus()->asScriptInset();
-		auto_ptr<InsetMathScript> q(new InsetMathScript(buf, true));
+		auto q = make_unique<InsetMathScript>(buf, true);
 		swap(q->up(), p->up());
 		p->removeScript(true);
 
@@ -598,7 +599,7 @@ void extractFunctions(MathData & ar, ExternalMath kind)
 		extractScript(exp, jt, ar.end(), true);
 
 		// create a proper inset as replacement
-		auto_ptr<InsetMathExFunc> p(new InsetMathExFunc(buf, name));
+		auto p = make_unique<InsetMathExFunc>(buf, name);
 
 		// jt points to the "argument". Get hold of this.
 		MathData::iterator st = 
@@ -683,7 +684,7 @@ void extractIntegrals(MathData & ar, ExternalMath kind)
 			continue;
 
 		// core ist part from behind the scripts to the 'd'
-		auto_ptr<InsetMathExInt> p(new InsetMathExInt(buf, from_ascii("int")));
+		auto p = make_unique<InsetMathExInt>(buf, from_ascii("int"));
 
 		// handle scripts if available
 		if (!testIntSymbol(*it)) {
@@ -768,7 +769,7 @@ void extractSums(MathData & ar)
 			continue;
 
 		// create a proper inset as replacement
-		auto_ptr<InsetMathExInt> p(new InsetMathExInt(buf, from_ascii("sum")));
+		auto p = make_unique<InsetMathExInt>(buf, from_ascii("sum"));
 
 		// collect lower bound and summation index
 		InsetMathScript const * sub = ar[i]->asScriptInset();
@@ -856,7 +857,7 @@ void extractDiff(MathData & ar)
 		}
 
 		// create a proper diff inset
-		auto_ptr<InsetMathDiff> diff(new InsetMathDiff(buf));
+		auto diff = make_unique<InsetMathDiff>(buf);
 
 		// collect function, let jt point behind last used item
 		MathData::iterator jt = it + 1;

src/mathed/MathParser.cpp

@@ -74,9 +74,10 @@ following hack as starting point to write some macros:
 #include "Encoding.h"
 #include "Lexer.h"
 
-#include "support/debug.h"
 #include "support/convert.h"
+#include "support/debug.h"
 #include "support/docstream.h"
+#include "support/unique_ptr.h"
 
 #include <sstream>
 
@@ -1945,7 +1946,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
 
 		// Disabled
 		else if (1 && t.cs() == "ar") {
-			auto_ptr<InsetMathXYArrow> p(new InsetMathXYArrow);
+			auto p = make_unique<InsetMathXYArrow>();
 			// try to read target
 			parse(p->cell(0), FLAG_OTPTION, mode);
 			// try to read label