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, 247 insertions, 0 deletions

diff --git a/include/formula/grammar.hxx b/include/formula/grammar.hxx
new file mode 100644
index 000000000..677087d19
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+++ b/include/formula/grammar.hxx
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+/* -*- 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_FORMULA_GRAMMAR_HXX
+#define INCLUDED_FORMULA_GRAMMAR_HXX
+
+#include <com/sun/star/sheet/FormulaLanguage.hpp>
+#include <formula/formuladllapi.h>
+#include <sal/types.h>
+
+namespace formula
+{
+
+/** Grammars digested by ScCompiler.
+ */
+class FORMULA_DLLPUBLIC FormulaGrammar
+{
+public:
+    enum AddressConvention{
+        CONV_UNSPECIFIED = -1,  /* useful when we want method to choose, must be first */
+
+        /* elements must be sequential and changes should be reflected in ScCompiler::pCharTables */
+        CONV_OOO     =  0,  /* 'doc'#sheet.A1:sheet2.B2 */
+        CONV_ODF,           /* ['doc'#sheet.A1:sheet2.B2] */
+        CONV_XL_A1,         /* [doc]sheet:sheet2!A1:B2 */
+        CONV_XL_R1C1,       /* [doc]sheet:sheet2!R1C1:R2C2 */
+        CONV_XL_OOX,        /* [#]sheet:sheet2!A1:B2 */
+
+        CONV_LOTUS_A1,      /* external? 3d? A1.B2 <placeholder/> */
+
+        CONV_LAST,   /* for loops, must always be last */
+
+        // not a real address convention, a special case for INDIRECT function interpretation
+        // only -> try using CONV_OOO, failing that CONV_XL_A1
+        CONV_A1_XL_A1
+    };
+
+    //! CONV_UNSPECIFIED is a negative value!
+    static const int kConventionOffset = - CONV_UNSPECIFIED + 1;
+    // Room for 32k hypothetical languages plus EXTERNAL.
+    static const int kConventionShift  = 16;
+    // Room for 256 reference conventions.
+    static const int kEnglishBit       = (1 << (kConventionShift + 8));
+    // Mask off all non-language bits.
+    static const int kFlagMask         = ~((~unsigned(0)) << kConventionShift);
+
+    /** Values encoding the formula language plus address reference convention
+        plus English parsing/formatting
+     */
+    //! When adding new values adapt isSupported() below as well.
+    enum Grammar
+    {
+        /// Used only in ScCompiler ctor and in some XML import API context.
+        GRAM_UNSPECIFIED    = -1,
+        /// ODFF with default ODF A1 bracketed references.
+        GRAM_ODFF           = css::sheet::FormulaLanguage::ODFF                 |
+                                ((CONV_ODF           +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// ODF 1.1 with default ODF A1 bracketed references.
+        GRAM_PODF           = css::sheet::FormulaLanguage::ODF_11               |
+                                ((CONV_ODF           +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// English with default A1 reference style.
+        GRAM_ENGLISH        = css::sheet::FormulaLanguage::ENGLISH              |
+                                ((CONV_OOO           +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// Native with default A1 reference style.
+        GRAM_NATIVE         = css::sheet::FormulaLanguage::NATIVE               |
+                                ((CONV_OOO           +
+                                  kConventionOffset) << kConventionShift),
+        /// ODFF with reference style as set in UI, may be A1 or R1C1.
+        GRAM_ODFF_UI        = css::sheet::FormulaLanguage::ODFF                 |
+                                ((CONV_UNSPECIFIED   +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// ODFF with A1 reference style, unbracketed.
+        GRAM_ODFF_A1        = css::sheet::FormulaLanguage::ODFF                 |
+                                ((CONV_OOO           +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// ODF 1.1 with reference style as set in UI, may be A1 or R1C1.
+        GRAM_PODF_UI        = css::sheet::FormulaLanguage::ODF_11               |
+                                ((CONV_UNSPECIFIED   +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// ODF 1.1 with A1 reference style, unbracketed.
+        GRAM_PODF_A1        = css::sheet::FormulaLanguage::ODF_11               |
+                                ((CONV_OOO           +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// Native with reference style as set in UI, may be A1 or R1C1.
+        GRAM_NATIVE_UI      = css::sheet::FormulaLanguage::NATIVE               |
+                                ((CONV_UNSPECIFIED   +
+                                  kConventionOffset) << kConventionShift),
+        /// Native with ODF A1 bracketed references. Not very useful but supported.
+        GRAM_NATIVE_ODF     = css::sheet::FormulaLanguage::NATIVE               |
+                                ((CONV_ODF           +
+                                  kConventionOffset) << kConventionShift),
+        /// Native with Excel A1 reference style.
+        GRAM_NATIVE_XL_A1   = css::sheet::FormulaLanguage::NATIVE               |
+                                ((CONV_XL_A1         +
+                                  kConventionOffset) << kConventionShift),
+        /// Native with Excel R1C1 reference style.
+        GRAM_NATIVE_XL_R1C1 = css::sheet::FormulaLanguage::NATIVE               |
+                                ((CONV_XL_R1C1       +
+                                  kConventionOffset) << kConventionShift),
+        /// English with Excel A1 reference style.
+        GRAM_ENGLISH_XL_A1   = css::sheet::FormulaLanguage::XL_ENGLISH               |
+                                ((CONV_XL_A1         +
+                                  kConventionOffset) << kConventionShift)            |
+                                kEnglishBit,
+        /// English with Excel R1C1 reference style.
+        GRAM_ENGLISH_XL_R1C1 = css::sheet::FormulaLanguage::XL_ENGLISH               |
+                                ((CONV_XL_R1C1       +
+                                  kConventionOffset) << kConventionShift)            |
+                                kEnglishBit,
+        /// English with Excel OOXML reference style.
+        GRAM_ENGLISH_XL_OOX  = css::sheet::FormulaLanguage::XL_ENGLISH               |
+                                ((CONV_XL_OOX        +
+                                  kConventionOffset) << kConventionShift)            |
+                                kEnglishBit,
+        /// Excel OOXML with Excel OOXML reference style.
+        GRAM_OOXML           = css::sheet::FormulaLanguage::OOXML               |
+                                ((CONV_XL_OOX        +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// API English with A1 reference style, unbracketed.
+        GRAM_API            = css::sheet::FormulaLanguage::API                  |
+                                ((CONV_OOO           +
+                                  kConventionOffset) << kConventionShift)       |
+                                kEnglishBit,
+        /// Central definition of the default grammar to be used.
+        GRAM_DEFAULT        = GRAM_NATIVE_UI,
+
+        /// Central definition of the default storage grammar to be used.
+        GRAM_STORAGE_DEFAULT = GRAM_ODFF,
+
+        /** OpCodeMap set by external filter and merged with reference
+            convention plus English bit on top. Plain value acts as
+            FormulaLanguage. */
+        GRAM_EXTERNAL       = (1 << (kConventionShift - 1))
+    };
+
+    /// If English parsing/formatting is associated with a grammar.
+    static bool isEnglish( const Grammar eGrammar )
+    {
+        return (eGrammar & kEnglishBit) != 0;
+    }
+
+    /** Compatibility helper for old "bCompileEnglish, bCompileXML" API calls
+        to obtain the new grammar. */
+    static Grammar mapAPItoGrammar( const bool bEnglish, const bool bXML );
+
+    static bool isSupported( const Grammar eGrammar );
+
+    static sal_Int32 extractFormulaLanguage( const Grammar eGrammar )
+    {
+        return eGrammar & kFlagMask;
+    }
+
+    static AddressConvention extractRefConvention( const Grammar eGrammar )
+    {
+        return static_cast<AddressConvention>(
+                ((eGrammar & ~kEnglishBit) >> kConventionShift) -
+                kConventionOffset);
+    }
+
+    static Grammar setEnglishBit( const Grammar eGrammar, const bool bEnglish );
+
+    static Grammar mergeToGrammar( const Grammar eGrammar, const AddressConvention eConv );
+
+    /// If grammar is of ODF 1.1
+    static bool isPODF( const Grammar eGrammar )
+    {
+        return extractFormulaLanguage( eGrammar) ==
+            css::sheet::FormulaLanguage::ODF_11;
+    }
+
+    /// If grammar is of ODFF
+    static bool isODFF( const Grammar eGrammar )
+    {
+        return extractFormulaLanguage( eGrammar) ==
+            css::sheet::FormulaLanguage::ODFF;
+    }
+
+    /// If grammar is of OOXML
+    static bool isOOXML( const Grammar eGrammar )
+    {
+        return extractFormulaLanguage( eGrammar) ==
+            css::sheet::FormulaLanguage::OOXML;
+    }
+
+    /** If reference convention is OOXML.
+
+        Note this is not equivalent to isOOXML() as it does not have to be
+        FormulaLanguage::OOXML but can be Grammar::GRAM_EXTERNAL merged with
+        AddressConvention::CONV_XL_OOX, which is used by various parts of OOXML
+        import through the API FormulaParser.
+     */
+    static bool isRefConventionOOXML( const Grammar eGrammar )
+    {
+        return extractRefConvention( eGrammar) ==
+            FormulaGrammar::AddressConvention::CONV_XL_OOX;
+    }
+
+    /// If grammar has an Excel syntax, determined by address convention.
+    static bool isExcelSyntax( const Grammar eGrammar )
+    {
+        AddressConvention eConv = extractRefConvention( eGrammar );
+        switch (eConv)
+        {
+            case FormulaGrammar::AddressConvention::CONV_XL_A1:
+            case FormulaGrammar::AddressConvention::CONV_XL_R1C1:
+            case FormulaGrammar::AddressConvention::CONV_XL_OOX:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+};
+
+} // formula
+
+
+#endif // INCLUDED_FORMULA_GRAMMAR_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */