diff options
| -rw-r--r-- | starmath/inc/caret.hxx | 7 | ||||
| -rw-r--r-- | starmath/source/caret.cxx | 2 |
2 files changed, 7 insertions, 2 deletions
diff --git a/starmath/inc/caret.hxx b/starmath/inc/caret.hxx index 113ab8fc843e..a1d12cd4c7c2 100644 --- a/starmath/inc/caret.hxx +++ b/starmath/inc/caret.hxx @@ -15,6 +15,7 @@ #include "node.hxx" +#include <cassert> #include <memory> #include <vector> @@ -24,10 +25,13 @@ struct SmCaretPos{ : pSelectedNode(selectedNode) , nIndex(iIndex) { + assert(nIndex >= 0); } + /** Selected node */ SmNode* pSelectedNode; - /** Index within the selected node + + /** Index (invariant: non-negative) within the selected node * * 0: Position in front of a node * 1: Position after a node or after first char in SmTextNode @@ -38,6 +42,7 @@ struct SmCaretPos{ //TODO: Special cases for SmBlankNode is needed //TODO: Consider forgetting about the todo above... As it's really unpleasant. int nIndex; + /** True, if this is a valid caret position */ bool IsValid() const { return pSelectedNode != nullptr; } bool operator==(const SmCaretPos &pos) const { diff --git a/starmath/source/caret.cxx b/starmath/source/caret.cxx index 3504ec8435be..6c1c9748b8e3 100644 --- a/starmath/source/caret.cxx +++ b/starmath/source/caret.cxx @@ -17,7 +17,7 @@ SmCaretPosGraph::~SmCaretPosGraph() = default; SmCaretPosGraphEntry* SmCaretPosGraph::Add(SmCaretPos pos, SmCaretPosGraphEntry* left) { - SAL_WARN_IF( pos.nIndex < 0, "starmath", "nIndex shouldn't be -1!" ); + assert(pos.nIndex >= 0); auto entry = o3tl::make_unique<SmCaretPosGraphEntry>(pos, left, nullptr); SmCaretPosGraphEntry* e = entry.get(); //Set Left and Right to point to the entry itself if they are NULL |