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Diffstat (limited to 'include/rtl/uri.hxx')
| -rw-r--r-- | include/rtl/uri.hxx | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/include/rtl/uri.hxx b/include/rtl/uri.hxx new file mode 100644 index 000000000..1b2601e7d --- /dev/null +++ b/include/rtl/uri.hxx @@ -0,0 +1,179 @@ +/* -*- 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 . + */ + +/* + * This file is part of LibreOffice published API. + */ + +#ifndef INCLUDED_RTL_URI_HXX +#define INCLUDED_RTL_URI_HXX + +#include "rtl/malformeduriexception.hxx" +#include "rtl/uri.h" +#include "rtl/textenc.h" +#include "rtl/ustring.hxx" +#include "sal/types.h" + +#if defined LIBO_INTERNAL_ONLY +#include <array> +#include <cassert> +#include <cstddef> +#include <string_view> +#include "config_global.h" +#endif + +namespace rtl { + +/** A wrapper around the C functions from <rtl/uri.h>. + */ +class Uri +{ +public: + /** A wrapper around rtl_uriEncode() from <rtl/uri.h> (see there), using + an array of 128 booleans as char class. + */ + static inline rtl::OUString encode(rtl::OUString const & rText, + sal_Bool const * pCharClass, + rtl_UriEncodeMechanism eMechanism, + rtl_TextEncoding eCharset); + + /** A wrapper around rtl_uriEncode() from <rtl/uri.h> (see there), using + a predefined rtl_UriCharClass enumeration member. + */ + static inline rtl::OUString encode(rtl::OUString const & rText, + rtl_UriCharClass eCharClass, + rtl_UriEncodeMechanism eMechanism, + rtl_TextEncoding eCharset); + + /** A wrapper around rtl_uriDecode() from <rtl/uri.h> (see there). + */ + static inline rtl::OUString decode(rtl::OUString const & rText, + rtl_UriDecodeMechanism eMechanism, + rtl_TextEncoding eCharset); + + /** A wrapper around rtl_uriConvertRelToAbs() from <rtl/uri.h> (see there). + + @exception MalformedUriException + Thrown in case rtl_uriConvertRelToAbs() signals an exception due to a + malformed base URI. + */ + static inline rtl::OUString convertRelToAbs( + rtl::OUString const & rBaseUriRef, rtl::OUString const & rRelUriRef); + +private: + Uri() SAL_DELETED_FUNCTION; + + Uri(Uri &) SAL_DELETED_FUNCTION; + + ~Uri() SAL_DELETED_FUNCTION; + + void operator =(Uri) SAL_DELETED_FUNCTION; +}; + +inline rtl::OUString Uri::encode(rtl::OUString const & rText, + sal_Bool const * pCharClass, + rtl_UriEncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + rtl::OUString aResult; + rtl_uriEncode(const_cast< rtl::OUString & >(rText).pData, + pCharClass, + eMechanism, + eCharset, + &aResult.pData); + return aResult; +} + +inline rtl::OUString Uri::encode(rtl::OUString const & rText, + rtl_UriCharClass eCharClass, + rtl_UriEncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + rtl::OUString aResult; + rtl_uriEncode(const_cast< rtl::OUString & >(rText).pData, + rtl_getUriCharClass(eCharClass), + eMechanism, + eCharset, + &aResult.pData); + return aResult; +} + +inline rtl::OUString Uri::decode(rtl::OUString const & rText, + rtl_UriDecodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + rtl::OUString aResult; + rtl_uriDecode(const_cast< rtl::OUString & >(rText).pData, + eMechanism, + eCharset, + &aResult.pData); + return aResult; +} + +inline rtl::OUString Uri::convertRelToAbs(rtl::OUString const & rBaseUriRef, + rtl::OUString const & rRelUriRef) +{ + rtl::OUString aResult; + rtl::OUString aException; + if (!rtl_uriConvertRelToAbs( + const_cast< rtl::OUString & >(rBaseUriRef).pData, + const_cast< rtl::OUString & >(rRelUriRef).pData, &aResult.pData, + &aException.pData)) + throw MalformedUriException(aException); + return aResult; +} + +#if defined LIBO_INTERNAL_ONLY + +constexpr std::size_t UriCharClassSize = 128; + +// Create a char class (for use with rtl_uriEncode and rtl::Uri::encode), represented as a +// compile-time std::array, from an UTF-8 string literal. +// +// The given `unencoded` lists each ASCII character once that shall not be encoded. (It uses an +// UTF-8 string type to emphasize that its characters' values are always interpreted as ASCII +// values.) +#if HAVE_CPP_CONSTEVAL +consteval +#else +constexpr +#endif +auto createUriCharClass( +#if defined __cpp_lib_char8_t + std::u8string_view +#else + std::string_view +#endif + unencoded) +{ + std::array<sal_Bool, UriCharClassSize> a = {}; + for (auto c: unencoded) { + assert(!a[c]); // would presumably indicate a typo in the `unencoded` argument + a[c] = true; + } + return a; +} + +#endif + +} + +#endif // INCLUDED_RTL_URI_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |