Create string from token array directly from ScTokenArray. Still WIP.

And make it re-entrant for thread safety. This method should not modify
the internal state of the token array object. The one with ScCompiler
is not re-entrant. Still some way to go.

Change-Id: I06de3637341727aef0963dddfb98527f415bf7fa

1 files changed, 39 insertions, 0 deletions

diff --git a/sc/inc/tokenstringcontext.hxx b/sc/inc/tokenstringcontext.hxx
new file mode 100644
index 000000000000..e5bb01c3ccc9
--- /dev/null
+++ b/sc/inc/tokenstringcontext.hxx
@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef SC_TOKENSTRINGCONTEXT_HXX
+#define SC_TOKENSTRINGCONTEXT_HXX
+
+#include "compiler.hxx"
+
+namespace sc {
+
+/**
+ * Context for creating string from an array of formula tokens, used in
+ * ScTokenArray::CreateString().  You can re-use the same string context
+ * between multiple CreateString() calls as long as the document content is
+ * unmodified.
+ */
+struct TokenStringContext
+{
+    formula::FormulaGrammar::Grammar meGram;
+    formula::FormulaCompiler::OpCodeMapPtr mxOpCodeMap;
+    const ScCompiler::Convention* mpRefConv;
+    OUString maErrRef;
+
+    std::vector<OUString> maTabNames;
+
+    TokenStringContext( formula::FormulaGrammar::Grammar eGram );
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */