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Diffstat (limited to 'cppuhelper/source/unourl.cxx')
| -rw-r--r-- | cppuhelper/source/unourl.cxx | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/cppuhelper/source/unourl.cxx b/cppuhelper/source/unourl.cxx new file mode 100644 index 000000000..9656dd078 --- /dev/null +++ b/cppuhelper/source/unourl.cxx @@ -0,0 +1,267 @@ +/* -*- 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 . + */ + + +#include <cppuhelper/unourl.hxx> + +#include <rtl/malformeduriexception.hxx> +#include <rtl/string.h> +#include <rtl/textenc.h> +#include <rtl/uri.h> +#include <rtl/uri.hxx> +#include <rtl/ustring.hxx> +#include <rtl/character.hxx> +#include <sal/types.h> + +#include <map> +#include <memory> +#include <utility> + +using cppu::UnoUrl; +using cppu::UnoUrlDescriptor; + +class UnoUrlDescriptor::Impl +{ +public: + typedef std::map< OUString, OUString > Parameters; + + OUString m_aDescriptor; + OUString m_aName; + Parameters m_aParameters; + + /** @exception rtl::MalformedUriException + */ + explicit inline Impl(OUString const & m_aDescriptor); + + Impl * clone() const { return new Impl(*this); } +}; + +inline UnoUrlDescriptor::Impl::Impl(OUString const & rDescriptor) +{ + m_aDescriptor = rDescriptor; + enum State { STATE_NAME0, STATE_NAME, STATE_KEY0, STATE_KEY, STATE_VALUE }; + State eState = STATE_NAME0; + sal_Int32 nStart = 0; + OUString aKey; + for (sal_Int32 i = 0;; ++i) + { + bool bEnd = i == rDescriptor.getLength(); + sal_Unicode c = bEnd ? 0 : rDescriptor[i]; + switch (eState) + { + case STATE_NAME0: + if (bEnd || !rtl::isAsciiAlphanumeric(c)) + throw rtl::MalformedUriException( + "UNO URL contains bad descriptor name"); + nStart = i; + eState = STATE_NAME; + break; + + case STATE_NAME: + if (bEnd || c == 0x2C) // ',' + { + m_aName + = rDescriptor.copy(nStart, i - nStart).toAsciiLowerCase(); + eState = STATE_KEY0; + } + else if (!rtl::isAsciiAlphanumeric(c)) + throw rtl::MalformedUriException( + "UNO URL contains bad descriptor name"); + break; + + case STATE_KEY0: + if (bEnd || !rtl::isAsciiAlphanumeric(c)) + throw rtl::MalformedUriException( + "UNO URL contains bad parameter key"); + nStart = i; + eState = STATE_KEY; + break; + + case STATE_KEY: + if (c == 0x3D) // '=' + { + aKey = rDescriptor.copy(nStart, i - nStart).toAsciiLowerCase(); + nStart = i + 1; + eState = STATE_VALUE; + } + else if (bEnd || !rtl::isAsciiAlphanumeric(c)) + throw rtl::MalformedUriException( + "UNO URL contains bad parameter key"); + break; + + case STATE_VALUE: + if (bEnd || c == 0x2C) // ',' + { + if (!m_aParameters.emplace( + aKey, + rtl::Uri::decode(rDescriptor.copy(nStart, + i - nStart), + rtl_UriDecodeWithCharset, + RTL_TEXTENCODING_UTF8)).second) + throw rtl::MalformedUriException( + "UNO URL contains duplicated parameter"); + eState = STATE_KEY0; + } + break; + } + if (bEnd) + break; + } +} + +UnoUrlDescriptor::UnoUrlDescriptor(OUString const & rDescriptor): + m_pImpl(new Impl(rDescriptor)) +{} + +UnoUrlDescriptor::UnoUrlDescriptor(UnoUrlDescriptor const & rOther): + m_pImpl(rOther.m_pImpl->clone()) +{} + +UnoUrlDescriptor::~UnoUrlDescriptor() +{ + delete m_pImpl; +} + +UnoUrlDescriptor & UnoUrlDescriptor::operator =(UnoUrlDescriptor const & rOther) +{ + if (this != &rOther) + { + std::unique_ptr<Impl> newImpl(rOther.m_pImpl->clone()); + delete m_pImpl; + m_pImpl = newImpl.release(); + } + return *this; +} + +OUString const & UnoUrlDescriptor::getDescriptor() const +{ + return m_pImpl->m_aDescriptor; +} + +OUString const & UnoUrlDescriptor::getName() const +{ + return m_pImpl->m_aName; +} + +bool UnoUrlDescriptor::hasParameter(OUString const & rKey) const +{ + return m_pImpl->m_aParameters.find(rKey.toAsciiLowerCase()) + != m_pImpl->m_aParameters.end(); +} + +OUString UnoUrlDescriptor::getParameter(OUString const & rKey) const +{ + Impl::Parameters::const_iterator + aIt(m_pImpl->m_aParameters.find(rKey.toAsciiLowerCase())); + return aIt == m_pImpl->m_aParameters.end() ? OUString() : aIt->second; +} + +class UnoUrl::Impl +{ +public: + UnoUrlDescriptor m_aConnection; + UnoUrlDescriptor m_aProtocol; + OUString m_aObjectName; + + Impl * clone() const { return new Impl(*this); } + + /** @exception rtl::MalformedUriException + */ + static inline Impl * create(OUString const & rUrl); + +private: + Impl(OUString const & rConnectionDescriptor, + OUString const & rProtocolDescriptor, + OUString aObjectName): + m_aConnection(rConnectionDescriptor), + m_aProtocol(rProtocolDescriptor), + m_aObjectName(std::move(aObjectName)) + {} +}; + +inline UnoUrl::Impl * UnoUrl::Impl::create(OUString const & rUrl) +{ + if (!rUrl.startsWithIgnoreAsciiCase("uno:")) + throw rtl::MalformedUriException("UNO URL does not start with \"uno:\""); + sal_Int32 i = RTL_CONSTASCII_LENGTH("uno:"); + sal_Int32 j = rUrl.indexOf(';', i); + if (j < 0) + throw rtl::MalformedUriException("UNO URL has too few semicolons"); + OUString aConnection(rUrl.copy(i, j - i)); + i = j + 1; + j = rUrl.indexOf(0x3B, i); // ';' + if (j < 0) + throw rtl::MalformedUriException("UNO URL has too few semicolons"); + OUString aProtocol(rUrl.copy(i, j - i)); + i = j + 1; + if (i == rUrl.getLength()) + throw rtl::MalformedUriException("UNO URL contains empty ObjectName"); + for (j = i; j < rUrl.getLength(); ++j) + { + sal_Unicode c = rUrl[j]; + if (!rtl::isAsciiAlphanumeric(c) && c != 0x21 && c != 0x24 // '!', '$' + && c != 0x26 && c != 0x27 && c != 0x28 // '&', ''', '(' + && c != 0x29 && c != 0x2A && c != 0x2B // ')', '*', '+' + && c != 0x2C && c != 0x2D && c != 0x2E // ',', '-', '.' + && c != 0x2F && c != 0x3A && c != 0x3D // '/', ':', '=' + && c != 0x3F && c != 0x40 && c != 0x5F // '?', '@', '_' + && c != 0x7E) // '~' + throw rtl::MalformedUriException("UNO URL contains invalid ObjectName"); + } + return new Impl(aConnection, aProtocol, rUrl.copy(i)); +} + +UnoUrl::UnoUrl(OUString const & rUrl): m_pImpl(Impl::create(rUrl)) +{} + +UnoUrl::UnoUrl(UnoUrl const & rOther): m_pImpl(rOther.m_pImpl->clone()) +{} + +UnoUrl::~UnoUrl() +{ + delete m_pImpl; +} + +UnoUrl & UnoUrl::operator =(UnoUrl const & rOther) +{ + if (this != &rOther) + { + std::unique_ptr<Impl> newImpl(rOther.m_pImpl->clone()); + delete m_pImpl; + m_pImpl = newImpl.release(); + } + return *this; +} + +UnoUrlDescriptor const & UnoUrl::getConnection() const +{ + return m_pImpl->m_aConnection; +} + +UnoUrlDescriptor const & UnoUrl::getProtocol() const +{ + return m_pImpl->m_aProtocol; +} + +OUString const & UnoUrl::getObjectName() const +{ + return m_pImpl->m_aObjectName; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |