Fix MathML output for MathBox, as suggested in the FIXME.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32711 a592a061-630c-0410-9148-cb99ea01b6c8

development/HTML/HTML.notes

@@ -54,7 +54,6 @@ Math
   isues, and not all the insets work. Here are the ones I know still need work:
 	- AMSArray
 	- Array
-	- Box
 	- Cases
 	- Diff: Code exists, but I do not know if it is right.
 	- Binom (in Frac): None of these tags exist in MathML 2.0. We'll

src/mathed/InsetMathBox.cpp

@@ -54,12 +54,8 @@ void InsetMathBox::normalize(NormalStream & os) const
 
 void InsetMathBox::mathmlize(MathStream & ms) const
 {	
-	// FIXME This doesn't actually work yet. We need to be able to signal 
-	// that we are in text mode and then just call ms << cell(0). So we
-	// need something like ModeSpecifier for MathStream.
-	ms << MTag("mtext");
-	ms.os() << cell(0);
-	ms << ETag("mtext");
+	SetMode textmode(ms, true);
+	ms << cell(0);
 }
 
 

src/mathed/MathStream.cpp

@@ -337,22 +337,35 @@ MathStream & operator<<(MathStream & ms, docstring const & s)
 }
 
 
+SetMode::SetMode(MathStream & os, bool text)
+	: os_(os)
+{
+	init(text, from_ascii(""));
+}
+
+
 SetMode::SetMode(MathStream & os, bool text, docstring attrs)
 	: os_(os)
 {
-	was_text_ = os.inText();
+	init(text, attrs);
+}
+
+
+void SetMode::init(bool text, docstring attrs)
+{
+	was_text_ = os_.inText();
 	if (was_text_)
-		os << "</mtext>";
+		os_ << "</mtext>";
 	if (text) {
-		os.setTextMode();
-		os << "<mtext";
+		os_.setTextMode();
+		os_ << "<mtext";
 		if (!attrs.empty())
-			os << " " << attrs;
-		os << ">";
+			os_ << " " << attrs;
+		os_ << ">";
 	} else {
 		if (!attrs.empty())
-			os << "<mstyle " << attrs << ">";
-		os.setMathMode();
+			os_ << "<mstyle " << attrs << ">";
+		os_.setMathMode();
 	}
 }
 

src/mathed/MathStream.h

@@ -263,13 +263,13 @@ public:
 	void defer(std::string const &);
 	///
 	docstring deferred() const;
+	///
+	bool inText() const { return in_text_; }
+private:
 	///
 	void setTextMode() { in_text_ = true; }
 	///
 	void setMathMode() { in_text_ = false; }
-	///
-	bool inText() const { return in_text_; }
-private:
 	///
 	odocstream & os_;
 	///
@@ -282,6 +282,8 @@ private:
 	bool in_text_;
 	///
 	odocstringstream deferred_;
+	///
+	friend class SetMode;
 };
 
 ///
@@ -307,11 +309,13 @@ class SetMode {
 public:
 	///
 	explicit SetMode(MathStream & os, bool text, docstring attrs);
-	// not clear yet precisely what we need...
-	// explicit SetMode(MathStream & os, bool text);
+	///
+	explicit SetMode(MathStream & os, bool text);
 	///
 	~SetMode();
 private:
+	///
+	void init(bool, docstring);
 	///
 	MathStream & os_;
 	///