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Diffstat (limited to '')
-rw-r--r-- | basic/source/inc/image.hxx | 101 |
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: */ |