1 files changed, 57 insertions, 0 deletions
diff --git a/writerfilter/source/rtftok/rtflookahead.hxx b/writerfilter/source/rtftok/rtflookahead.hxx
new file mode 100644
index 000000000..9ec213f62
--- /dev/null
+++ b/writerfilter/source/rtftok/rtflookahead.hxx
@@ -0,0 +1,57 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <sal/types.h>
+#include <tools/ref.hxx>
+#include "rtflistener.hxx"
+
+class SvStream;
+
+namespace writerfilter::rtftok
+{
+class RTFTokenizer;
+/**
+ * This acts like an importer, but used for looking ahead, e.g. to
+ * determine if the current group contains a table, etc.
+ */
+class RTFLookahead : public RTFListener
+{
+public:
+    RTFLookahead(SvStream& rStream, sal_uInt64 nGroupStart);
+    ~RTFLookahead() override;
+    RTFError dispatchDestination(RTFKeyword nKeyword) override;
+    RTFError dispatchFlag(RTFKeyword nKeyword) override;
+    RTFError dispatchSymbol(RTFKeyword nKeyword) override;
+    RTFError dispatchToggle(RTFKeyword nKeyword, bool bParam, int nParam) override;
+    RTFError dispatchValue(RTFKeyword nKeyword, int nParam) override;
+    RTFError resolveChars(char ch) override;
+    RTFError pushState() override;
+    RTFError popState() override;
+    Destination getDestination() override;
+    void setDestination(Destination eDestination) override;
+    RTFInternalState getInternalState() override;
+    void setInternalState(RTFInternalState nInternalState) override;
+    bool getSkipUnknown() override;
+    void setSkipUnknown(bool bSkipUnknown) override;
+    void finishSubstream() override;
+    bool isSubstream() const override;
+    bool hasTable() const { return m_bHasTable; }
+    bool hasColumns() const { return m_bHasColumns; }
+
+private:
+    tools::SvRef<RTFTokenizer> m_pTokenizer;
+    SvStream& m_rStream;
+    bool m_bHasTable;
+    bool m_bHasColumns;
+};
+} // namespace writerfilter::rtftok
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */