1 files changed, 69 insertions, 0 deletions
diff --git a/writerfilter/source/rtftok/rtflistener.hxx b/writerfilter/source/rtftok/rtflistener.hxx
new file mode 100644
index 000000000..150440afb
--- /dev/null
+++ b/writerfilter/source/rtftok/rtflistener.hxx
@@ -0,0 +1,69 @@
+/* -*- 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 "rtfcontrolwords.hxx"
+
+namespace writerfilter::rtftok
+{
+enum class RTFInternalState
+{
+    NORMAL,
+    BIN,
+    HEX
+};
+
+enum class RTFError
+{
+    OK,
+    GROUP_UNDER,
+    GROUP_OVER,
+    UNEXPECTED_EOF,
+    HEX_INVALID,
+    CHAR_OVER,
+    CLASSIFICATION
+};
+
+/**
+ * RTFTokenizer needs a class implementing this interface. While
+ * RTFTokenizer separates control words (and their arguments) from
+ * text, the class implementing this interface is expected to map the
+ * raw RTF tokens to dmapper tokens.
+ */
+class RTFListener
+{
+public:
+    virtual ~RTFListener() = default;
+    // Dispatching of control words and characters.
+    virtual RTFError dispatchDestination(RTFKeyword nKeyword) = 0;
+    virtual RTFError dispatchFlag(RTFKeyword nKeyword) = 0;
+    virtual RTFError dispatchSymbol(RTFKeyword nKeyword) = 0;
+    virtual RTFError dispatchToggle(RTFKeyword nKeyword, bool bParam, int nParam) = 0;
+    virtual RTFError dispatchValue(RTFKeyword nKeyword, int nParam) = 0;
+    virtual RTFError resolveChars(char ch) = 0;
+
+    // State handling.
+    virtual RTFError pushState() = 0;
+    virtual RTFError popState() = 0;
+
+    virtual Destination getDestination() = 0;
+    virtual void setDestination(Destination eDestination) = 0;
+    virtual RTFInternalState getInternalState() = 0;
+    virtual void setInternalState(RTFInternalState nInternalState) = 0;
+    virtual bool getSkipUnknown() = 0;
+    virtual void setSkipUnknown(bool bSkipUnknown) = 0;
+
+    // Substream handling.
+    virtual void finishSubstream() = 0;
+    virtual bool isSubstream() const = 0;
+};
+} // namespace writerfilter::rtftok
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */