1 files changed, 101 insertions, 0 deletions
diff --git a/writerfilter/source/rtftok/rtflookahead.cxx b/writerfilter/source/rtftok/rtflookahead.cxx
new file mode 100644
index 000000000..033feacce
--- /dev/null
+++ b/writerfilter/source/rtftok/rtflookahead.cxx
@@ -0,0 +1,101 @@
+/* -*- 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/.
+ */
+
+#include "rtflookahead.hxx"
+#include <com/sun/star/uno/Reference.hxx>
+#include <tools/stream.hxx>
+#include "rtftokenizer.hxx"
+
+namespace com::sun::star::task
+{
+class XStatusIndicator;
+}
+
+using namespace com::sun::star;
+
+namespace writerfilter::rtftok
+{
+RTFLookahead::RTFLookahead(SvStream& rStream, sal_uInt64 nGroupStart)
+    : m_rStream(rStream)
+    , m_bHasTable(false)
+    , m_bHasColumns(false)
+{
+    sal_uInt64 const nPos = m_rStream.Tell();
+    m_rStream.Seek(nGroupStart);
+    uno::Reference<task::XStatusIndicator> xStatusIndicator;
+    m_pTokenizer = new RTFTokenizer(*this, &m_rStream, xStatusIndicator);
+    m_pTokenizer->resolveParse();
+    m_rStream.Seek(nPos);
+}
+
+RTFLookahead::~RTFLookahead() = default;
+
+RTFError RTFLookahead::dispatchDestination(RTFKeyword /*nKeyword*/) { return RTFError::OK; }
+
+RTFError RTFLookahead::dispatchFlag(RTFKeyword nKeyword)
+{
+    if (nKeyword == RTFKeyword::INTBL)
+        m_bHasTable = true;
+    return RTFError::OK;
+}
+
+RTFError RTFLookahead::dispatchSymbol(RTFKeyword /*nKeyword*/) { return RTFError::OK; }
+
+RTFError RTFLookahead::dispatchToggle(RTFKeyword /*nKeyword*/, bool /*bParam*/, int /*nParam*/)
+{
+    return RTFError::OK;
+}
+
+RTFError RTFLookahead::dispatchValue(RTFKeyword nKeyword, int nParam)
+{
+    if (nKeyword == RTFKeyword::COLS && nParam >= 2)
+        m_bHasColumns = true;
+    return RTFError::OK;
+}
+
+RTFError RTFLookahead::resolveChars(char ch)
+{
+    while (!m_rStream.eof() && (ch != '{' && ch != '}' && ch != '\\'))
+        m_rStream.ReadChar(ch);
+    if (!m_rStream.eof())
+        m_rStream.SeekRel(-1);
+    return RTFError::OK;
+}
+
+RTFError RTFLookahead::pushState()
+{
+    m_pTokenizer->pushGroup();
+    return RTFError::OK;
+}
+
+RTFError RTFLookahead::popState()
+{
+    m_pTokenizer->popGroup();
+    return RTFError::OK;
+}
+
+Destination RTFLookahead::getDestination() { return Destination::NORMAL; }
+
+void RTFLookahead::setDestination(Destination /*eDestination*/) {}
+
+RTFInternalState RTFLookahead::getInternalState() { return RTFInternalState::NORMAL; }
+
+void RTFLookahead::setInternalState(RTFInternalState /*nInternalState*/) {}
+
+bool RTFLookahead::getSkipUnknown() { return false; }
+
+void RTFLookahead::setSkipUnknown(bool /*bSkipUnknown*/) {}
+
+void RTFLookahead::finishSubstream() {}
+
+bool RTFLookahead::isSubstream() const { return false; }
+
+} // namespace writerfilter::rtftok
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */