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, 122 insertions, 0 deletions

diff --git a/starmath/inc/parse5.hxx b/starmath/inc/parse5.hxx
new file mode 100644
index 000000000..5b7237867
--- /dev/null
+++ b/starmath/inc/parse5.hxx
@@ -0,0 +1,122 @@
+/* -*- 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 .
+ */
+
+/** Parses the starmath code and creates the nodes.
+  *
+  */
+
+#pragma once
+
+#include "parsebase.hxx"
+#include <unotools/charclass.hxx>
+
+class SmParser5 final : public AbstractSmParser
+{
+    OUString m_aBufferString;
+    SmToken m_aCurToken;
+    ESelection m_aCurESelection;
+    std::vector<SmErrorDesc> m_aErrDescList;
+    int m_nCurError;
+    sal_Int32 m_nBufferIndex, m_nTokenIndex;
+    sal_Int32 m_nRow, // 1-based
+        m_nColOff; // 0-based
+    bool m_bImportSymNames, m_bExportSymNames;
+    sal_Int32 m_nParseDepth;
+
+    // map of used symbols (used to reduce file size by exporting only actually used symbols)
+    std::set<OUString> m_aUsedSymbols;
+
+    // CharClass representing a locale for parsing numbers
+    CharClass m_aNumCC;
+    // pointer to System locale's CharClass, which is alive inside SM_MOD()
+    const CharClass* m_pSysCC;
+
+    SmParser5(const SmParser5&) = delete;
+    SmParser5& operator=(const SmParser5&) = delete;
+
+    // Moves between tokens inside starmath code.
+    void NextToken();
+    void NextTokenColor(SmTokenType dvipload);
+    void NextTokenFontSize();
+    sal_Int32 GetTokenIndex() const { return m_nTokenIndex; }
+    void Replace(sal_Int32 nPos, sal_Int32 nLen, const OUString& rText);
+
+    inline bool TokenInGroup(TG nGroup);
+
+    // grammar
+    std::unique_ptr<SmTableNode> DoTable();
+    std::unique_ptr<SmNode> DoLine();
+    std::unique_ptr<SmNode> DoExpression(bool bUseExtraSpaces = true);
+    std::unique_ptr<SmNode> DoRelation();
+    std::unique_ptr<SmNode> DoSum();
+    std::unique_ptr<SmNode> DoProduct();
+    std::unique_ptr<SmNode> DoSubSup(TG nActiveGroup, std::unique_ptr<SmNode> xGivenNode);
+    std::unique_ptr<SmNode> DoSubSupEvaluate(std::unique_ptr<SmNode> xGivenNode);
+    std::unique_ptr<SmNode> DoOpSubSup();
+    std::unique_ptr<SmNode> DoPower();
+    std::unique_ptr<SmBlankNode> DoBlank();
+    std::unique_ptr<SmNode> DoTerm(bool bGroupNumberIdent);
+    std::unique_ptr<SmNode> DoEscape();
+    std::unique_ptr<SmOperNode> DoOperator();
+    std::unique_ptr<SmNode> DoOper();
+    std::unique_ptr<SmStructureNode> DoUnOper();
+    std::unique_ptr<SmNode> DoAlign(bool bUseExtraSpaces = true);
+    std::unique_ptr<SmStructureNode> DoFontAttribute();
+    std::unique_ptr<SmStructureNode> DoAttribute();
+    std::unique_ptr<SmStructureNode> DoFont();
+    std::unique_ptr<SmStructureNode> DoFontSize();
+    std::unique_ptr<SmStructureNode> DoColor();
+    std::unique_ptr<SmStructureNode> DoBrace();
+    std::unique_ptr<SmBracebodyNode> DoBracebody(bool bIsLeftRight);
+    std::unique_ptr<SmNode> DoEvaluate();
+    std::unique_ptr<SmTextNode> DoFunction();
+    std::unique_ptr<SmTableNode> DoBinom();
+    std::unique_ptr<SmBinVerNode> DoFrac();
+    std::unique_ptr<SmStructureNode> DoStack();
+    std::unique_ptr<SmStructureNode> DoMatrix();
+    std::unique_ptr<SmSpecialNode> DoSpecial();
+    std::unique_ptr<SmGlyphSpecialNode> DoGlyphSpecial();
+    std::unique_ptr<SmExpressionNode> DoError(SmParseError Error);
+    // end of grammar
+
+public:
+    SmParser5();
+    virtual ~SmParser5();
+
+    /** Parse rBuffer to formula tree */
+    std::unique_ptr<SmTableNode> Parse(const OUString& rBuffer);
+    /** Parse rBuffer to formula subtree that constitutes an expression */
+    std::unique_ptr<SmNode> ParseExpression(const OUString& rBuffer);
+
+    const OUString& GetText() const { return m_aBufferString; };
+
+    bool IsImportSymbolNames() const { return m_bImportSymNames; }
+    void SetImportSymbolNames(bool bVal) { m_bImportSymNames = bVal; }
+    bool IsExportSymbolNames() const { return m_bExportSymNames; }
+    void SetExportSymbolNames(bool bVal) { m_bExportSymNames = bVal; }
+
+    const SmErrorDesc* NextError();
+    const SmErrorDesc* PrevError();
+    const SmErrorDesc* GetError() const;
+    const std::set<OUString>& GetUsedSymbols() const { return m_aUsedSymbols; }
+};
+
+inline bool SmParser5::TokenInGroup(TG nGroup) { return bool(m_aCurToken.nGroup & nGroup); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */