whichFont down to 5.3%

[lyx.git] / src / mathed / math_data.C

diff --git a/src/mathed/math_data.C b/src/mathed/math_data.C
index faf37c415e919cd56e8f3d8decbc846df40ebe59..b9ecc2e79b0be99510e7964829cf3aa5860f9dd8 100644 (file)
--- a/src/mathed/math_data.C
+++ b/src/mathed/math_data.C
@@ -247,3 +247,24 @@ void MathArray::replace(ReplaceData & rep)
        for (const_iterator it = begin(); it != end(); ++it)
                it->nucleus()->replace(rep);
 }
+
+
+bool MathArray::contains(MathArray const & ar) const
+{
+       for (size_type i = 0; i + ar.size() <= size(); ++i) {
+               const_iterator it = begin() + i;
+               const_iterator rt = ar.begin();
+               const_iterator et = ar.end();
+               for (const_iterator jt = it; rt != et; ++jt, ++rt)
+                       if (!jt->nucleus()->match(rt->nucleus()))
+                               break;
+               if (rt == et)
+                       return true;
+       }
+
+       for (const_iterator it = begin(); it != end(); ++it)
+               if (it->nucleus()->contains(ar))
+                       return true;
+       
+       return false;
+}