mathed uglyfication

[lyx.git] / src / lyxlex.C

diff --git a/src/lyxlex.C b/src/lyxlex.C
index ebabf59977db5c9d752dd7c63325f421a2a8192b..afda6e35ebf616a77a9bfe2911950278290a5e4f 100644 (file)
--- a/src/lyxlex.C
+++ b/src/lyxlex.C
@@ -31,7 +31,7 @@ using lyx::support::subst;
 using lyx::support::trim;
 
 using std::endl;
-
+using std::string;
 using std::istream;
 using std::ostream;
 
@@ -254,3 +254,70 @@ int LyXLex::findToken(char const * str[])
 
        return i;
 }
+
+
+LyXLex::operator void const *() const
+{
+       // This behaviour is NOT the same as the std::streams which would
+       // use fail() here. However, our implementation of getString() et al.
+       // can cause the eof() and fail() bits to be set, even though we
+       // haven't tried to read 'em.
+       return pimpl_->is.bad() ? 0 : this;
+}
+
+
+bool LyXLex::operator!() const
+{
+       return pimpl_->is.bad();
+}
+
+
+LyXLex & LyXLex::operator>>(std::string & s)
+{
+       if (isOK()) {
+               next();
+               s = getString();
+       }
+       return *this;
+}
+
+
+LyXLex & LyXLex::operator>>(float & s)
+{
+       if (isOK()) {
+               next();
+               s = getFloat();
+       }
+       return *this;
+}
+
+
+LyXLex & LyXLex::operator>>(int & s)
+{
+       if (isOK()) {
+               next();
+               s = getInteger();
+       }
+       return *this;
+}
+
+
+LyXLex & LyXLex::operator>>(unsigned int & s)
+{
+       if (isOK()) {
+               next();
+               s = getInteger();
+       }
+       return *this;
+}
+
+
+LyXLex & LyXLex::operator>>(bool & s)
+{
+       if (isOK()) {
+               next();
+               s = getBool();
+       }
+       return *this;
+}
+