Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 84 insertions, 0 deletions

diff --git a/include/comphelper/syntaxhighlight.hxx b/include/comphelper/syntaxhighlight.hxx
new file mode 100644
index 000000000..c8bc100d3
--- /dev/null
+++ b/include/comphelper/syntaxhighlight.hxx
@@ -0,0 +1,84 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_COMPHELPER_SYNTAXHIGHLIGHT_HXX
+#define INCLUDED_COMPHELPER_SYNTAXHIGHLIGHT_HXX
+
+#include <rtl/ustring.hxx>
+
+#include <comphelper/comphelperdllapi.h>
+
+#include <vector>
+#include <memory>
+
+enum class TokenType
+{
+    Unknown,
+    Identifier,
+    Whitespace,
+    Number,
+    String,
+    EOL,
+    Comment,
+    Error,
+    Operator,
+    Keywords,
+    Parameter,
+    LAST = Parameter
+};
+
+struct HighlightPortion {
+    sal_Int32 nBegin;
+    sal_Int32 nEnd;
+    TokenType tokenType;
+
+    HighlightPortion(
+        sal_Int32 theBegin, sal_Int32 theEnd, TokenType theTokenType):
+        nBegin(theBegin), nEnd(theEnd), tokenType(theTokenType)
+    {}
+};
+
+// Language mode of the Highlighter (possibly to be refined later with keyword
+// lists, C comment flags)
+enum class HighlighterLanguage
+{
+    Basic,
+    SQL
+};
+
+class COMPHELPER_DLLPUBLIC SyntaxHighlighter
+{
+    class Tokenizer;
+
+    std::unique_ptr<Tokenizer> m_tokenizer;
+
+    SyntaxHighlighter(const SyntaxHighlighter&) = delete;
+    SyntaxHighlighter& operator=(const SyntaxHighlighter&) = delete;
+public:
+    SyntaxHighlighter(HighlighterLanguage language);
+    ~SyntaxHighlighter();
+
+    void getHighlightPortions( std::u16string_view rLine,
+                               std::vector<HighlightPortion>& pPortions ) const;
+
+    HighlighterLanguage GetLanguage() const;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */