Move class definitions inside main class

Prepare for following commits.

This prevent's forward-declaration, but including the TexRow header should be
inexpensive.

src/Buffer.cpp

@@ -4472,7 +4472,7 @@ Buffer::ReadStatus Buffer::loadThisLyXFile(FileName const & fn)
 void Buffer::bufferErrors(TeXErrors const & terr, ErrorList & errorList) const
 {
 	for (auto const & err : terr) {
-		TextEntry start, end = TexRow::text_none;
+		TexRow::TextEntry start, end = TexRow::text_none;
 		int errorRow = err.error_in_line;
 		Buffer const * buf = 0;
 		Impl const * p = d;

src/BufferView.cpp

@@ -2345,7 +2345,7 @@ int BufferView::scrollUp(int offset)
 
 bool BufferView::setCursorFromRow(int row)
 {
-	TextEntry start, end;
+	TexRow::TextEntry start, end;
 	tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
 	LYXERR(Debug::LATEX,
 	       "setCursorFromRow: for row " << row << ", TexRow has found "
@@ -2355,7 +2355,8 @@ bool BufferView::setCursorFromRow(int row)
 }
 
 
-bool BufferView::setCursorFromEntries(TextEntry start, TextEntry end)
+bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
+                                      TexRow::TextEntry end)
 {
 	DocIterator dit_start, dit_end;
 	tie(dit_start,dit_end) =

src/BufferView.h

@@ -16,6 +16,7 @@
 #define BUFFER_VIEW_H
 
 #include "DocumentClassPtr.h"
+#include "TexRow.h"
 #include "update_flags.h"
 
 #include "support/strfwd.h"
@@ -46,7 +47,6 @@ class ParagraphMetrics;
 class Point;
 class TexRow;
 class Text;
-struct TextEntry;
 class TextMetrics;
 
 enum CursorStatus {
@@ -165,7 +165,7 @@ public:
 	/// set the cursor based on the given TeX source row.
 	bool setCursorFromRow(int row);
 	/// set the cursor based on the given start and end TextEntries.
-	bool setCursorFromEntries(TextEntry start, TextEntry end);
+	bool setCursorFromEntries(TexRow::TextEntry start, TexRow::TextEntry end);
 
 	/// set cursor to the given inset. Return true if found.
 	bool setCursorFromInset(Inset const *);

src/ErrorList.h

@@ -27,6 +27,7 @@ class Buffer;
 /// A class to hold an error item
 class ErrorItem {
 public:
+	typedef TexRow::TextEntry TextEntry;
 	docstring error;
 	docstring description;
 	// To generalise into RowEntries
@@ -35,8 +36,7 @@ public:
 	Buffer const * buffer;
 	// With a start position and an end position
 	ErrorItem(docstring const & error, docstring const & description,
-	          TextEntry start, TextEntry end,
+	          TextEntry start, TextEntry end, Buffer const * buf = 0);
-	          Buffer const * buf = 0);
 	// Error outside the document body
 	ErrorItem(docstring const & error, docstring const & description,
 	          Buffer const * buf = 0);

src/TexRow.cpp

@@ -84,7 +84,7 @@ void TexRow::RowEntryList::forceAddEntry(RowEntry entry)
 }
 
 
-TextEntry TexRow::RowEntryList::getTextEntry() const
+TexRow::TextEntry TexRow::RowEntryList::getTextEntry() const
 {
 	if (!isNone(text_entry_))
 		return text_entry_;
@@ -106,8 +106,8 @@ TexRow::TexRow()
 }
 
 
-TextEntry const TexRow::text_none = { -1, 0 };
+TexRow::TextEntry const TexRow::text_none = { -1, 0 };
-RowEntry const TexRow::row_none = { false, { TexRow::text_none } };
+TexRow::RowEntry const TexRow::row_none = { false, { TexRow::text_none } };
 
 
 //static
@@ -138,7 +138,7 @@ TexRow::RowEntryList & TexRow::currentRow()
 
 
 //static
-RowEntry TexRow::textEntry(int id, pos_type pos)
+TexRow::RowEntry TexRow::textEntry(int id, pos_type pos)
 {
 	RowEntry entry;
 	entry.is_math = false;
@@ -149,7 +149,7 @@ RowEntry TexRow::textEntry(int id, pos_type pos)
 
 
 //static
-RowEntry TexRow::mathEntry(uid_type id, idx_type cell)
+TexRow::RowEntry TexRow::mathEntry(uid_type id, idx_type cell)
 {
 	RowEntry entry;
 	entry.is_math = true;
@@ -159,7 +159,7 @@ RowEntry TexRow::mathEntry(uid_type id, idx_type cell)
 }
 
 
-bool operator==(RowEntry entry1, RowEntry entry2)
+bool operator==(TexRow::RowEntry entry1, TexRow::RowEntry entry2)
 {
 	return entry1.is_math == entry2.is_math
 		&& (entry1.is_math
@@ -217,7 +217,8 @@ void TexRow::append(TexRow other)
 }
 
 
-pair<TextEntry, TextEntry> TexRow::getEntriesFromRow(int const row) const
+pair<TexRow::TextEntry, TexRow::TextEntry>
+TexRow::getEntriesFromRow(int const row) const
 {
 	LYXERR(Debug::LATEX, "getEntriesFromRow: row " << row << " requested");
 	// check bounds for row - 1, our target index
@@ -312,7 +313,7 @@ FuncRequest TexRow::goToFuncFromRow(int const row) const
 
 
 //static
-RowEntry TexRow::rowEntryFromCursorSlice(CursorSlice const & slice)
+TexRow::RowEntry TexRow::rowEntryFromCursorSlice(CursorSlice const & slice)
 {
 	RowEntry entry;
 	InsetMath * insetMath = slice.asInsetMath();

src/TexRow.h

@@ -47,26 +47,27 @@ typedef void const * uid_type;
 typedef size_t idx_type;
 
 
-/// an individual par id/pos <=> row mapping
-struct TextEntry { int id; pos_type pos; };
-
-/// an individual math id/cell <=> row mapping
-struct MathEntry { uid_type id; idx_type cell; };
-
-/// a container for passing entries around
-struct RowEntry {
-	bool is_math;// true iff the union is a math
-	union {
-		struct TextEntry text;
-		struct MathEntry math;
-	};
-};
-
-
 /// Represents the correspondence between paragraphs and the generated
 /// LaTeX file
 
 class TexRow {
+public:
+	/// an individual par id/pos <=> row mapping
+	struct TextEntry { int id; pos_type pos; };
+
+	/// an individual math id/cell <=> row mapping
+	struct MathEntry { uid_type id; idx_type cell; };
+
+	/// a container for passing entries around
+	struct RowEntry {
+		bool is_math;// true iff the union is a math
+		union {
+			struct TextEntry text;
+			struct MathEntry math;
+		};
+	};
+
+private:
 	/// id/pos correspondence for a single row
 	class RowEntryList;
 
@@ -286,7 +287,7 @@ public:
 };
 
 
-bool operator==(RowEntry entry1, RowEntry entry2);
+bool operator==(TexRow::RowEntry entry1, TexRow::RowEntry entry2);
 
 
 } // namespace lyx

src/insets/InsetTabular.cpp

@@ -2708,7 +2708,7 @@ void Tabular::TeXRow(otexstream & os, row_type row,
 void Tabular::latex(otexstream & os, OutputParams const & runparams) const
 {
 	bool const is_tabular_star = !tabular_width.zero();
-	RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
+	TexRow::RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
 
 	//+---------------------------------------------------------------------
 	//+                      first the opening preamble                    +

src/mathed/InsetMathGrid.cpp

@@ -1276,7 +1276,7 @@ void InsetMathGrid::write(WriteStream & os,
 		for (col_type col = beg_col; col < end_col;) {
 			int nccols = 1;
 			idx_type const idx = index(row, col);
-			RowEntry entry = TexRow::mathEntry(id(),idx);
+			TexRow::RowEntry entry = TexRow::mathEntry(id(),idx);
 			os.texrow().start(entry);
 			if (col >= lastcol) {
 				++col;

src/mathed/MathStream.cpp

@@ -131,7 +131,7 @@ WriteStream::WriteStream(otexrowstream & os, bool fragile, bool latex,
 	  output_(output), pendingspace_(false), pendingbrace_(false),
 	  textmode_(false), locked_(0), ascii_(0), canbreakline_(true),
 	  mathsout_(false), ulemcmd_(NONE), line_(0), encoding_(encoding),
-	  row_entry_(make_unique<RowEntry>(TexRow::row_none))
+	  row_entry_(TexRow::row_none)
 {}
 
 
@@ -180,17 +180,17 @@ void WriteStream::asciiOnly(bool ascii)
 }
 
 
-Changer WriteStream::changeRowEntry(RowEntry entry)
+Changer WriteStream::changeRowEntry(TexRow::RowEntry entry)
 {
-	return make_change(*row_entry_, entry);
+	return make_change(row_entry_, entry);
 }
 
 
 bool WriteStream::startOuterRow()
 {
-	if (TexRow::isNone(*row_entry_))
+	if (TexRow::isNone(row_entry_))
 		return false;
-	return texrow().start(*row_entry_);
+	return texrow().start(row_entry_);
 }
 
 

src/mathed/MathStream.h

@@ -13,6 +13,8 @@
 #define MATH_MATHMLSTREAM_H
 
 #include "InsetMath.h"
+
+#include "TexRow.h"
 #include "texstream.h"
 
 #include "support/Changer.h"
@@ -26,7 +28,6 @@ class Encoding;
 class InsetMath;
 class MathAtom;
 class MathData;
-struct RowEntry;
 
 //
 // LaTeX/LyX
@@ -104,7 +105,7 @@ public:
 	Encoding const * encoding() const { return encoding_; }
 
 	/// Temporarily change the TexRow information about the outer row entry.
-	Changer changeRowEntry(RowEntry entry);
+	Changer changeRowEntry(TexRow::RowEntry entry);
 	/// TexRow::starts the innermost outer math inset
 	/// returns true if the outer row entry will appear at this line
 	bool startOuterRow();
@@ -140,8 +141,7 @@ private:
 	///
 	Encoding const * encoding_;
 	/// Row entry we are in
-	/// (it is a pointer to allow forward-declaration)
+	TexRow::RowEntry row_entry_;
-	unique_ptr<RowEntry> row_entry_;
 };
 
 ///