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Diffstat (limited to 'include/oox/vml/vmlinputstream.hxx')
| -rw-r--r-- | include/oox/vml/vmlinputstream.hxx | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/oox/vml/vmlinputstream.hxx b/include/oox/vml/vmlinputstream.hxx new file mode 100644 index 000000000000..7c8e13160722 --- /dev/null +++ b/include/oox/vml/vmlinputstream.hxx @@ -0,0 +1,98 @@ +/* -*- 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 OOX_VML_VMLINPUTSTREAM_HXX +#define OOX_VML_VMLINPUTSTREAM_HXX + +#include <com/sun/star/io/XInputStream.hpp> +#include <cppuhelper/implbase1.hxx> +#include <rtl/string.hxx> + +namespace com { namespace sun { namespace star { + namespace io { class XTextInputStream2; } + namespace uno { class XComponentContext; } +} } } + +namespace oox { +namespace vml { + +// ============================================================================ + +typedef ::cppu::WeakImplHelper1< ::com::sun::star::io::XInputStream > InputStream_BASE; + +/** An input stream class for VML streams, implementing the UNO interface + com.sun.star.io.XInputStream needed by the Expat XML parsers. + + This stream reads the data from the input stream passed to the constructor, + and parses all XML elements for features unsupported by the current Expat + XML parser: + + 1) All elements that have the form '<![inst]>' where 'inst' is any string + not containing the characters '<' and '>' are stripped from the input + stream. + + 2) Multiple occurences of the same attribute in an element but the last + are removed. + + 3) Line breaks represented by a single <br> element (without matching + </br> element) are replaced by a literal LF character. + */ +class InputStream : public InputStream_BASE +{ +public: + explicit InputStream( + const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext, + const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& rxInStrm ); + virtual ~InputStream(); + + virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& rData, sal_Int32 nBytesToRead ) + throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); + virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& rData, sal_Int32 nMaxBytesToRead ) + throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); + virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) + throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); + virtual sal_Int32 SAL_CALL available() + throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); + virtual void SAL_CALL closeInput() + throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); + +private: + void updateBuffer() throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); + OString readToElementBegin() throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); + OString readToElementEnd() throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); + +private: + ::com::sun::star::uno::Reference< ::com::sun::star::io::XTextInputStream2 > + mxTextStrm; + ::com::sun::star::uno::Sequence< sal_Unicode > maOpeningBracket; + ::com::sun::star::uno::Sequence< sal_Unicode > maClosingBracket; + const OString maOpeningCData; + const OString maClosingCData; + OString maBuffer; + sal_Int32 mnBufferPos; +}; + +// ============================================================================ + +} // namespace vml +} // namespace oox + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |