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Diffstat (limited to '')
-rw-r--r-- | include/xmlreader/span.hxx | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/include/xmlreader/span.hxx b/include/xmlreader/span.hxx new file mode 100644 index 000000000..4d1455cd3 --- /dev/null +++ b/include/xmlreader/span.hxx @@ -0,0 +1,82 @@ +/* -*- 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 <sal/config.h> + +#include <cstddef> +#include <cstring> + +#include <sal/types.h> +#include <xmlreader/detail/xmlreaderdllapi.hxx> + +namespace rtl { class OUString; } + +namespace xmlreader { + +struct SAL_WARN_UNUSED OOO_DLLPUBLIC_XMLREADER Span { + char const * begin; + sal_Int32 length; + + Span(): begin(nullptr), length(0) {} + // init length to avoid compiler warnings + + Span(char const * theBegin, sal_Int32 theLength): + begin(theBegin), length(theLength) {} + + template< std::size_t N > explicit Span(char const (& literal)[N]): + begin(literal), length(N - 1) + {} + + void clear() noexcept { begin = nullptr; } + + bool is() const { return begin != nullptr; } + + bool operator==(Span const & text) const { + return length == text.length + && std::memcmp(begin, text.begin, text.length) == 0; + } + + bool operator!=(Span const & text) const { + return !(operator==(text)); + } + + bool equals(char const * textBegin, sal_Int32 textLength) const { + return operator==(Span(textBegin, textLength)); + } + + template< std::size_t N > bool operator==(char const (& literal)[N]) + const + { + return operator==(Span(literal, N - 1)); + } + + template< std::size_t N > bool operator!=(char const (& literal)[N]) + const + { + return operator!=(Span(literal, N - 1)); + } + + rtl::OUString convertFromUtf8() const; +}; + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |