MathML for MathBox and such.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32712 a592a061-630c-0410-9148-cb99ea01b6c8

development/HTML/HTML.notes

@@ -59,7 +59,8 @@ Math
 	- Binom (in Frac): None of these tags exist in MathML 2.0. We'll
 		just output a fraction with delimiters.
 	- Lefteqn
-	- MBox: Use <mtext>.
+	- MBox: There is a general issue here with text mode nesting. See the FIXME attached
+		to the SetMode class.
 	- Overset: Use <mover>.
 	- Par?
 	- Phantom: There is some support for this in MathML....

src/mathed/InsetMathBox.cpp

@@ -54,7 +54,7 @@ void InsetMathBox::normalize(NormalStream & os) const
 
 void InsetMathBox::mathmlize(MathStream & ms) const
 {	
-	SetMode textmode(ms, true);
+	SetMode textmode(ms, true, from_ascii("class='mathbox'"));
 	ms << cell(0);
 }
 
@@ -134,12 +134,32 @@ void InsetMathFBox::normalize(NormalStream & os) const
 }
 
 
+void InsetMathFBox::mathmlize(MathStream & ms) const
+{	
+	SetMode textmode(ms, true, from_ascii("class='fbox'"));
+	ms << cell(0);
+}
+
+
 void InsetMathFBox::infoize(odocstream & os) const
 {
 	os << "FBox: ";
 }
 
 
+void InsetMathFBox::validate(LaTeXFeatures & features) const
+{
+	// FIXME XHTML
+	// It'd be better to be able to get this from an InsetLayout, but at present
+	// InsetLayouts do not seem really to work for things that aren't InsetTexts.
+	if (features.runparams().flavor == OutputParams::HTML)
+		features.addPreambleSnippet("<style type=\"text/css\">\n"
+			"mtext.fbox { border: 1px solid black; }\n"
+			"</style>");
+}
+
+
+
 /////////////////////////////////////////////////////////////////////
 //
 // InsetMathMakebox
@@ -246,6 +266,28 @@ void InsetMathMakebox::infoize(odocstream & os) const
 }
 
 
+void InsetMathMakebox::mathmlize(MathStream & ms) const
+{
+	// FIXME We could do something with the other arguments.
+	std::string const cssclass = framebox_ ? "framebox" : "makebox";
+	SetMode textmode(ms, true, from_ascii("class='" + cssclass + "'"));
+	ms << cell(2);
+}
+
+
+void InsetMathMakebox::validate(LaTeXFeatures & features) const
+{
+	// FIXME XHTML
+	// It'd be better to be able to get this from an InsetLayout, but at present
+	// InsetLayouts do not seem really to work for things that aren't InsetTexts.
+	if (features.runparams().flavor == OutputParams::HTML)
+		features.addPreambleSnippet("<style type=\"text/css\">\n"
+			"mtext.framebox { border: 1px solid black; }\n"
+			"</style>");
+}
+
+
+
 /////////////////////////////////////////////////////////////////////
 //
 // InsetMathBoxed
@@ -293,9 +335,23 @@ void InsetMathBoxed::infoize(odocstream & os) const
 }
 
 
+void InsetMathBoxed::mathmlize(MathStream & ms) const
+{
+	SetMode mathmode(ms, false, from_ascii("class='boxed'"));
+	ms << cell(0);
+}
+
+
 void InsetMathBoxed::validate(LaTeXFeatures & features) const
 {
 	features.require("amsmath");
+	// FIXME XHTML
+	// It'd be better to be able to get this from an InsetLayout, but at present
+	// InsetLayouts do not seem really to work for things that aren't InsetTexts.
+	if (features.runparams().flavor == OutputParams::HTML)
+		features.addPreambleSnippet("<style type=\"text/css\">\n"
+			"mstyle.boxed { border: 1px solid black; }\n"
+			"</style>");
 	InsetMathNest::validate(features);
 }
 

src/mathed/InsetMathBox.h

@@ -66,9 +66,11 @@ public:
 	/// write normalized content
 	void normalize(NormalStream & ns) const;
 	///
-	//void mathmlize(MathStream & ms) const;
+	void mathmlize(MathStream & ms) const;
 	///
 	void infoize(odocstream & os) const;
+	///
+	void validate(LaTeXFeatures & features) const;
 private:
 	///
 	Inset * clone() const { return new InsetMathFBox(*this); }
@@ -89,11 +91,13 @@ public:
 	/// write normalized content
 	void normalize(NormalStream & ns) const;
 	///
-	//void mathmlize(MathStream & ms) const;
+	void mathmlize(MathStream & ms) const;
 	///
 	mode_type currentMode() const { return TEXT_MODE; }
 	///
 	void infoize(odocstream & os) const;
+	///
+	void validate(LaTeXFeatures & features) const;
 private:
 	Inset * clone() const { return new InsetMathMakebox(*this); }
 	///
@@ -116,7 +120,7 @@ public:
 	///
 	void write(WriteStream & os) const;
 	///
-	//void mathmlize(MathStream & ms) const;
+	void mathmlize(MathStream & ms) const;
 	/// write normalized content
 	void normalize(NormalStream & ns) const;
 	///

src/mathed/MathStream.cpp

@@ -338,14 +338,14 @@ MathStream & operator<<(MathStream & ms, docstring const & s)
 
 
 SetMode::SetMode(MathStream & os, bool text)
-	: os_(os)
+	: os_(os), opened_(false)
 {
 	init(text, from_ascii(""));
 }
 
 
 SetMode::SetMode(MathStream & os, bool text, docstring attrs)
-	: os_(os)
+	: os_(os), opened_(false)
 {
 	init(text, attrs);
 }
@@ -362,9 +362,12 @@ void SetMode::init(bool text, docstring attrs)
 		if (!attrs.empty())
 			os_ << " " << attrs;
 		os_ << ">";
+		opened_ = true;
 	} else {
-		if (!attrs.empty())
+		if (!attrs.empty()) {
 			os_ << "<mstyle " << attrs << ">";
+			opened_ = true;
+		}
 		os_.setMathMode();
 	}
 }
@@ -372,8 +375,12 @@ void SetMode::init(bool text, docstring attrs)
 
 SetMode::~SetMode()
 {
-	if (os_.inText())
-		os_ << "</mtext>";
+	if (opened_) {
+		if (os_.inText())
+			os_ << "</mtext>";
+		else
+			os_ << "</mstyle>";
+	}
 	if (was_text_) {
 		os_.setTextMode();
 		os_ << "<mtext>";

src/mathed/MathStream.h

@@ -304,7 +304,15 @@ MathStream & operator<<(MathStream &, MTag const &);
 MathStream & operator<<(MathStream &, ETag const &);
 
 
-// A simpler version of ModeSpecifier, for MathML
+/// A simpler version of ModeSpecifier, for MathML
+// FIXME There are still problems here with nesting, at least
+// potentially. The problem is that true nesting of text mode isn't
+// actually possible. I.e., we can't have: 
+//		<mtext><mtext></mtext></mtext>
+// So we have to have:
+//		<mtext></mtext><mtext></mtext><mtext></mtext>
+// instead, where the last is really a continuation of the first.
+// We'll need some kind of stack to remember all that.
 class SetMode {
 public:
 	///
@@ -319,6 +327,8 @@ private:
 	///
 	MathStream & os_;
 	///
+	bool opened_;
+	///
 	bool was_text_;
 };