Another warning.

[lyx.git] / src / mathed / MathStream.h

diff --git a/src/mathed/MathStream.h b/src/mathed/MathStream.h
index 40b06a0ef0561d401c52840bd699a543e8043275..7da9a9b9f9177d0949a6a1c71f4ac8e0b3d750ba 100644 (file)
--- a/src/mathed/MathStream.h
+++ b/src/mathed/MathStream.h
@@ -59,6 +59,10 @@ public:
        bool & firstitem() { return firstitem_; }
        ///
        void addlines(unsigned int);
+       /// record whether we can write an immediately following newline char
+       void canBreakLine(bool breakline) { canbreakline_ = breakline; }
+       /// tell whether we can write an immediately following newline char
+       bool canBreakLine() const { return canbreakline_; }
        /// writes space if next thing is isalpha()
        void pendingSpace(bool how);
        /// writes space if next thing is isalpha()
@@ -102,6 +106,8 @@ private:
        bool locked_;
        /// should we use only ascii chars when producing latex code?
        bool ascii_;
+       /// are we allowed to output an immediately following newline?
+       bool canbreakline_;
        ///
        int line_;
        ///
@@ -262,6 +268,13 @@ public:
 };
 
 
+/// Throw MathExportException to signal that the attempt to export
+/// some math in the current format did not succeed. E.g., we can't
+/// export xymatrix as MathML, so that will throw, and we'll fall back
+/// to images.
+class MathExportException : public std::exception {};
+
+
 class MathStream {
 public:
        ///
@@ -296,8 +309,6 @@ private:
        ///
        int line_;
        ///
-       char lastchar_;
-       ///
        bool in_text_;
        ///
        odocstringstream deferred_;
@@ -386,8 +397,6 @@ private:
        ///
        int line_;
        ///
-       char lastchar_;
-       ///
        bool in_text_;
        ///
        odocstringstream deferred_;