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Diffstat (limited to 'writerfilter/source/rtftok/rtflistener.hxx')
-rw-r--r-- | writerfilter/source/rtftok/rtflistener.hxx | 69 |
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: */ |