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office-gobmx/include/comphelper/storagehelper.hxx
Stephan Bergmann bd6fb0cd3e Extended loplugin:ostr: Rewrite some O[U]StringLiteral -> O[U]String 
...in include files.  This is a mix of automatic rewriting in include files and
manual fixups (mostly addressing loplugin:redundantfcast) in source files that
include those.

Change-Id: I1f3cc1e67b9cabd2e9d61a4d9e9a01e587ea35cc
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/158337
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2023-10-23 11:04:42 +02:00

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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_COMPHELPER_STORAGEHELPER_HXX
#define INCLUDED_COMPHELPER_STORAGEHELPER_HXX
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/embed/ElementModes.hpp>
#include <comphelper/comphelperdllapi.h>
#include <memory>
#include <string_view>
inline constexpr OUString PACKAGE_STORAGE_FORMAT_STRING = u"PackageFormat"_ustr;
inline constexpr OUString ZIP_STORAGE_FORMAT_STRING = u"ZipFormat"_ustr;
inline constexpr OUString OFOPXML_STORAGE_FORMAT_STRING = u"OFOPXMLFormat"_ustr;
inline constexpr OUString PACKAGE_ENCRYPTIONDATA_SHA256UTF8 = u"PackageSHA256UTF8EncryptionKey"_ustr;
inline constexpr OUString PACKAGE_ENCRYPTIONDATA_SHA1UTF8 = u"PackageSHA1UTF8EncryptionKey"_ustr;
inline constexpr OUString PACKAGE_ENCRYPTIONDATA_SHA1MS1252 = u"PackageSHA1MS1252EncryptionKey"_ustr;
inline constexpr OUString PACKAGE_ENCRYPTIONDATA_SHA1CORRECT = u"PackageSHA1CorrectEncryptionKey"_ustr;
namespace com::sun::star {
namespace beans { struct NamedValue; }
namespace embed { class XStorage; }
namespace io {
class XInputStream;
class XOutputStream;
class XStream;
}
namespace lang { class XSingleServiceFactory; }
namespace uno { class XComponentContext; }
}
namespace comphelper {
// Unfortunately - the impl.s of XStorage like to invalidate all
// their sub streams and storages when you release references, so
// it is necessary to keep references to all storages down the
// path - this is 'beautiful' (TM). So we need this ugly hack:
class COMPHELPER_DLLPUBLIC LifecycleProxy
{
private:
class Impl;
public:
std::unique_ptr<Impl> m_xBadness;
LifecycleProxy();
~LifecycleProxy();
// commit the storages: necessary for writes to streams to take effect!
void commitStorages();
};
class COMPHELPER_DLLPUBLIC OStorageHelper
{
public:
/// @throws css::uno::Exception
static css::uno::Reference< css::lang::XSingleServiceFactory >
GetStorageFactory(
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >() );
/// @throws css::uno::Exception
static css::uno::Reference< css::lang::XSingleServiceFactory >
GetFileSystemStorageFactory(
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >() );
/// @throws css::uno::Exception
static css::uno::Reference< css::embed::XStorage >
GetTemporaryStorage(
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >() );
/// this one will only return Storage
///
/// @throws css::uno::Exception
static css::uno::Reference< css::embed::XStorage >
GetStorageFromURL(
const OUString& aURL,
sal_Int32 nStorageMode,
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >() );
/// this one will return either Storage or FileSystemStorage
///
/// @throws css::uno::Exception
static css::uno::Reference< css::embed::XStorage >
GetStorageFromURL2(
const OUString& aURL,
sal_Int32 nStorageMode,
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >() );
/// @throws css::uno::Exception
static css::uno::Reference< css::embed::XStorage >
GetStorageFromInputStream(
const css::uno::Reference < css::io::XInputStream >& xStream,
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >() );
/// @throws css::uno::Exception
static css::uno::Reference< css::embed::XStorage >
GetStorageFromStream(
const css::uno::Reference < css::io::XStream >& xStream,
sal_Int32 nStorageMode = css::embed::ElementModes::READWRITE,
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >() );
/// @throws css::uno::Exception
static void CopyInputToOutput(
const css::uno::Reference< css::io::XInputStream >& xInput,
const css::uno::Reference< css::io::XOutputStream >& xOutput );
/// @throws css::uno::Exception
static css::uno::Reference< css::io::XInputStream >
GetInputStreamFromURL(
const OUString& aURL,
const css::uno::Reference< css::uno::XComponentContext >& context );
/// @throws css::uno::Exception
static void SetCommonStorageEncryptionData(
const css::uno::Reference< css::embed::XStorage >& xStorage,
const css::uno::Sequence< css::beans::NamedValue >& aEncryptionData );
// the following method supports only storages of OOo formats
/// @throws css::uno::Exception
static sal_Int32 GetXStorageFormat(
const css::uno::Reference< css::embed::XStorage >& xStorage );
/// @throws css::uno::Exception
static css::uno::Reference< css::embed::XStorage >
GetStorageOfFormatFromURL(
const OUString& aFormat,
const OUString& aURL,
sal_Int32 nStorageMode,
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >() );
/// @throws css::uno::Exception
static css::uno::Reference< css::embed::XStorage >
GetStorageOfFormatFromInputStream(
const OUString& aFormat,
const css::uno::Reference < css::io::XInputStream >& xStream,
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >(),
bool bRepairStorage = false );
/// @throws css::uno::Exception
static css::uno::Reference< css::embed::XStorage >
GetStorageOfFormatFromStream(
const OUString& aFormat,
const css::uno::Reference < css::io::XStream >& xStream,
sal_Int32 nStorageMode = css::embed::ElementModes::READWRITE,
const css::uno::Reference< css::uno::XComponentContext >& rxContext
= css::uno::Reference< css::uno::XComponentContext >(),
bool bRepairStorage = false );
static css::uno::Sequence< css::beans::NamedValue >
CreatePackageEncryptionData(
std::u16string_view aPassword );
static css::uno::Sequence< css::beans::NamedValue >
CreateGpgPackageEncryptionData();
static bool IsValidZipEntryFileName( std::u16string_view aName, bool bSlashAllowed );
static bool PathHasSegment( std::u16string_view aPath, std::u16string_view aSegment );
// Methods to allow easy use of hierarchical names inside storages
static css::uno::Reference< css::embed::XStorage > GetStorageAtPath(
const css::uno::Reference< css::embed::XStorage > &xStorage,
std::u16string_view aPath, sal_uInt32 nOpenMode, LifecycleProxy const &rNastiness );
static css::uno::Reference< css::io::XStream > GetStreamAtPath(
const css::uno::Reference< css::embed::XStorage > &xStorage,
std::u16string_view aPath, sal_uInt32 nOpenMode, LifecycleProxy const &rNastiness );
static css::uno::Reference< css::io::XStream > GetStreamAtPackageURL(
const css::uno::Reference< css::embed::XStorage > &xStorage,
const OUString& rURL, sal_uInt32 const nOpenMode,
LifecycleProxy const & rNastiness );
static OUString
GetODFVersionFromStorage(const css::uno::Reference<css::embed::XStorage>& xStorage);
};
}
#endif
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