X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FMathStream.h;h=40b06a0ef0561d401c52840bd699a543e8043275;hb=b79d8e5e2d20e8f294d47fe924c20de17dbd5c0b;hp=51fbdd367e28bdc2e2e808cc9566831218ae979c;hpb=98e6886dc42c0128b5e2c6330a6fc9b87a9cfd2b;p=lyx.git

diff --git a/src/mathed/MathStream.h b/src/mathed/MathStream.h
index 51fbdd367e..40b06a0ef0 100644
--- a/src/mathed/MathStream.h
+++ b/src/mathed/MathStream.h
@@ -75,6 +75,10 @@ public:
 	void lockedMode(bool locked);
 	/// tell whether we are allowed to switch mode when producing latex code
 	bool lockedMode() const { return locked_; }
+	/// tell whether to use only ascii chars when producing latex code
+	void asciiOnly(bool ascii);
+	/// tell whether to use only ascii chars when producing latex code
+	bool asciiOnly() const { return ascii_; }
 	/// LaTeX encoding
 	Encoding const * encoding() const { return encoding_; }
 private:
@@ -96,6 +100,8 @@ private:
 	bool textmode_;
 	/// are we allowed to switch mode when producing latex code?
 	bool locked_;
+	/// should we use only ascii chars when producing latex code?
+	bool ascii_;
 	///
 	int line_;
 	///
@@ -121,7 +127,7 @@ WriteStream & operator<<(WriteStream &, unsigned int);
 bool ensureMath(WriteStream & os, bool needs_math_mode = true, bool macro = false);
 
 /// ensure the requested mode, possibly by closing \ensuremath
-int ensureMode(WriteStream & os, InsetMath::mode_type mode, bool locked);
+int ensureMode(WriteStream & os, InsetMath::mode_type mode, bool locked, bool ascii);
 
 
 /**
@@ -185,6 +191,8 @@ private:
  * the mode needs being temporarily switched when a command would not work
  * in the current mode. As there are cases where this switching is to be
  * avoided, the optional third parameter can be used to lock the mode.
+ * When the mode is locked, the optional fourth parameter specifies whether
+ * strings are to be output by using a suitable ascii representation.
  *
  * Example 1:
  *
@@ -198,6 +206,13 @@ private:
  *
  * Sets the current mode to text mode and disallows mode switching.
  *
+ * Example 3:
+ *
+ *      ModeSpecifier specifier(os, TEXT_MODE, true, true);
+ *
+ * Sets the current mode to text mode, disallows mode switching, and outputs
+ * strings as ascii only.
+ *
  * At the end of specifier's scope the mode is reset to its previous value.
  */
 class ModeSpecifier
@@ -205,13 +220,14 @@ class ModeSpecifier
 public:
 	///
 	explicit ModeSpecifier(WriteStream & os, InsetMath::mode_type mode,
-				bool locked = false)
-		: os_(os), oldmodes_(ensureMode(os, mode, locked)) {}
+				bool locked = false, bool ascii = false)
+		: os_(os), oldmodes_(ensureMode(os, mode, locked, ascii)) {}
 	///
 	~ModeSpecifier()
 	{
-		os_.textMode(oldmodes_ & 1);
-		os_.lockedMode(oldmodes_ & 2);
+		os_.textMode(oldmodes_ & 0x01);
+		os_.lockedMode(oldmodes_ & 0x02);
+		os_.asciiOnly(oldmodes_ & 0x04);
 	}
 private:
 	///
@@ -229,9 +245,12 @@ private:
 class MTag {
 public:
 	///
-	MTag(char const * const tag) : tag_(tag) {}
+	MTag(char const * const tag, std::string attr = "") 
+		: tag_(tag), attr_(attr) {}
 	///
 	char const * const tag_;
+	///
+	std::string attr_;
 };
 
 class ETag {
@@ -242,6 +261,7 @@ public:
 	char const * const tag_;
 };
 
+
 class MathStream {
 public:
 	///
@@ -262,7 +282,13 @@ 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; }
 	///
 	odocstream & os_;
 	///
@@ -272,7 +298,11 @@ private:
 	///
 	char lastchar_;
 	///
+	bool in_text_;
+	///
 	odocstringstream deferred_;
+	///
+	friend class SetMode;
 };
 
 ///
@@ -286,11 +316,122 @@ MathStream & operator<<(MathStream &, char const *);
 ///
 MathStream & operator<<(MathStream &, char);
 ///
+MathStream & operator<<(MathStream &, char_type);
+///
 MathStream & operator<<(MathStream &, MTag const &);
 ///
 MathStream & operator<<(MathStream &, ETag const &);
 
 
+/// 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:
+	///
+	explicit SetMode(MathStream & os, bool text, std::string const & attrs);
+	///
+	explicit SetMode(MathStream & os, bool text);
+	///
+	~SetMode();
+private:
+	///
+	void init(bool, std::string const &);
+	///
+	MathStream & os_;
+	///
+	bool opened_;
+	///
+	bool was_text_;
+};
+
+
+class HtmlStream {
+public:
+	///
+	explicit HtmlStream(odocstream & os);
+	///
+	void cr();
+	///
+	odocstream & os() { return os_; }
+	///
+	int line() const { return line_; }
+	///
+	int & tab() { return tab_; }
+	///
+	friend HtmlStream & operator<<(HtmlStream &, char const *);
+	///
+	void defer(docstring const &);
+	///
+	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; }
+	///
+	odocstream & os_;
+	///
+	int tab_;
+	///
+	int line_;
+	///
+	char lastchar_;
+	///
+	bool in_text_;
+	///
+	odocstringstream deferred_;
+	///
+	friend class SetHTMLMode;
+};
+
+///
+HtmlStream & operator<<(HtmlStream &, MathAtom const &);
+///
+HtmlStream & operator<<(HtmlStream &, MathData const &);
+///
+HtmlStream & operator<<(HtmlStream &, docstring const &);
+///
+HtmlStream & operator<<(HtmlStream &, char const *);
+///
+HtmlStream & operator<<(HtmlStream &, char);
+///
+HtmlStream & operator<<(HtmlStream &, char_type);
+///
+HtmlStream & operator<<(HtmlStream &, MTag const &);
+///
+HtmlStream & operator<<(HtmlStream &, ETag const &);
+
+
+class SetHTMLMode {
+public:
+	///
+	explicit SetHTMLMode(HtmlStream & os, bool text, std::string attrs);
+	///
+	explicit SetHTMLMode(HtmlStream & os, bool text);
+	///
+	~SetHTMLMode();
+private:
+	///
+	void init(bool, std::string const &);
+	///
+	HtmlStream & os_;
+	///
+	bool opened_;
+	///
+	bool was_text_;
+};
+
 
 //
 // Debugging