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, 101 insertions, 0 deletions

diff --git a/basic/source/inc/image.hxx b/basic/source/inc/image.hxx
new file mode 100644
index 000000000..f89776af0
--- /dev/null
+++ b/basic/source/inc/image.hxx
@@ -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/.
+ *
+ * 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 .
+ */
+
+#pragma once
+
+#include <basic/sbx.hxx>
+#include <rtl/ustring.hxx>
+#include "filefmt.hxx"
+#include <o3tl/typed_flags_set.hxx>
+#include <cstddef>
+#include <vector>
+
+// This class reads in the image that's been produced by the compiler
+// and manages the access to the single elements.
+
+enum class SbiImageFlags
+{
+    NONE          = 0,
+    EXPLICIT      = 0x0001,  // OPTION EXPLICIT is active
+    COMPARETEXT   = 0x0002,  // OPTION COMPARE TEXT is active
+    INITCODE      = 0x0004,  // Init-Code does exist
+    CLASSMODULE   = 0x0008,  // OPTION ClassModule is active
+};
+namespace o3tl
+{
+    template<> struct typed_flags<SbiImageFlags> : is_typed_flags<SbiImageFlags, 0xf> {};
+}
+
+class SbiImage {
+    friend class SbiCodeGen;            // compiler classes, that the private-
+
+    SbxArrayRef    rTypes;          // User defined types
+    SbxArrayRef    rEnums;          // Enum types
+    std::vector<sal_uInt32>  mvStringOffsets; // StringId-Offsets
+    std::unique_ptr<sal_Unicode[]> pStrings;        // StringPool
+    std::vector<sal_uInt8> aCode; // Code-Image
+    std::vector<sal_uInt8> aLegacyPCode; // Code-Image
+    bool           bError;
+    SbiImageFlags  nFlags;
+    sal_uInt32     nStringSize;
+    sal_uInt16     nDimBase;        // OPTION BASE value
+    rtl_TextEncoding eCharSet;
+                                    // temporary management-variable:
+    std::size_t    nStringIdx;
+    sal_uInt32     nStringOff;      // current Pos in the stringbuffer
+                                    // routines for the compiler:
+    void MakeStrings( short );      // establish StringPool
+    void AddString( const OUString& );
+    void AddCode(std::vector<sal_uInt8>&&);
+    void AddType(SbxObject const *);
+    void AddEnum(SbxObject *);
+
+public:
+    OUString aName;          // macro name
+    OUString aOUSource;      // source code
+    OUString aComment;
+    bool   bInit;
+    bool   bFirstInit;
+
+    SbiImage();
+   ~SbiImage();
+    void Clear();
+    bool Load( SvStream&, sal_uInt32& nVer );
+                            // nVer is set to version
+                            // of image
+    bool Save( SvStream&, sal_uInt32 = B_CURVERSION );
+    bool IsError() const            { return bError;    }
+
+    const sal_uInt8* GetCode() const { return aCode.data(); }
+    sal_uInt32 GetCodeSize() const { return aCode.size(); }
+    sal_uInt16  GetBase() const     { return nDimBase;  }
+    OUString    GetString( sal_uInt32 nId, SbxDataType *eType = nullptr ) const;
+    const SbxObject* FindType (const OUString& aTypeName) const;
+
+    const SbxArrayRef& GetEnums() const { return rEnums; }
+
+    void        SetFlag( SbiImageFlags n ) { nFlags |= n;      }
+    bool        IsFlag( SbiImageFlags n ) const { return bool(nFlags & n); }
+    sal_uInt16  CalcLegacyOffset( sal_Int32 nOffset );
+    sal_uInt32  CalcNewOffset( sal_Int16 nOffset );
+    void        ReleaseLegacyBuffer();
+    bool        ExceedsLegacyLimits();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */