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Diffstat (limited to 'configmgr/source/data.cxx')
| -rw-r--r-- | configmgr/source/data.cxx | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/configmgr/source/data.cxx b/configmgr/source/data.cxx new file mode 100644 index 000000000..f173ee155 --- /dev/null +++ b/configmgr/source/data.cxx @@ -0,0 +1,336 @@ +/* -*- 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 <sal/config.h> + +#include <algorithm> +#include <cassert> +#include <cstddef> + +#include <com/sun/star/uno/RuntimeException.hpp> +#include <rtl/ref.hxx> +#include <rtl/string.h> +#include <rtl/ustrbuf.hxx> +#include <rtl/ustring.h> +#include <rtl/ustring.hxx> +#include <sal/log.hxx> +#include <sal/types.h> +#include <o3tl/string_view.hxx> + +#include "additions.hxx" +#include "data.hxx" +#include "node.hxx" +#include "nodemap.hxx" +#include "rootnode.hxx" +#include "setnode.hxx" + +namespace configmgr { + +namespace { + +bool decode( + std::u16string_view encoded, std::size_t begin, std::size_t end, + OUString * decoded) +{ + assert( + begin <= end && end <= encoded.size() && + decoded != nullptr); + OUStringBuffer buf(end - begin); + while (begin != end) { + sal_Unicode c = encoded[begin++]; + if (c == '&') { + if (o3tl::starts_with(encoded.substr(begin), u"amp;")) { + buf.append('&'); + begin += RTL_CONSTASCII_LENGTH("amp;"); + } else if (o3tl::starts_with(encoded.substr(begin), u"quot;")) { + buf.append('"'); + begin += RTL_CONSTASCII_LENGTH("quot;"); + } else if (o3tl::starts_with(encoded.substr(begin), u"apos;")) { + buf.append('\''); + begin += RTL_CONSTASCII_LENGTH("apos;"); + } else { + return false; + } + assert(begin <= end); + } else { + buf.append(c); + } + } + *decoded = buf.makeStringAndClear(); + return true; +} + +} + +OUString Data::createSegment( + std::u16string_view templateName, OUString const & name) +{ + if (templateName.empty()) { + return name; + } + OUStringBuffer buf(128); + buf.append(templateName); + //TODO: verify template name contains no bad chars? + buf.append("['"); + for (sal_Int32 i = 0; i < name.getLength(); ++i) { + sal_Unicode c = name[i]; + switch (c) { + case '&': + buf.append("&"); + break; + case '"': + buf.append("""); + break; + case '\'': + buf.append("'"); + break; + default: + buf.append(c); + break; + } + } + buf.append("']"); + return buf.makeStringAndClear(); +} + +sal_Int32 Data::parseSegment( + OUString const & path, sal_Int32 index, OUString * name, + bool * setElement, OUString * templateName) +{ + assert( + index >= 0 && index <= path.getLength() && name != nullptr && + setElement != nullptr); + sal_Int32 i = index; + while (i < path.getLength() && path[i] != '/' && path[i] != '[') { + ++i; + } + if (i == path.getLength() || path[i] == '/') { + *name = path.copy(index, i - index); + *setElement = false; + return i; + } + if (templateName != nullptr) { + if (i - index == 1 && path[index] == '*') { + templateName->clear(); + } else { + *templateName = path.copy(index, i - index); + } + } + if (++i == path.getLength()) { + return -1; + } + sal_Unicode del = path[i++]; + if (del != '\'' && del != '"') { + return -1; + } + sal_Int32 j = path.indexOf(del, i); + if (j == -1 || j + 1 == path.getLength() || path[j + 1] != ']' || + !decode(path, i, j, name)) + { + return -1; + } + *setElement = true; + return j + 2; +} + +OUString Data::fullTemplateName( + std::u16string_view component, std::u16string_view name) +{ + if (component.find(':') != std::u16string_view::npos || name.find(':') != std::u16string_view::npos) { + throw css::uno::RuntimeException( + OUString::Concat("bad component/name pair containing colon ") + component + "/" + + name); + } + return OUString::Concat(component) + ":" + name; +} + +bool Data::equalTemplateNames( + OUString const & shortName, OUString const & longName) +{ + if (shortName.indexOf(':') == -1) { + sal_Int32 i = longName.indexOf(':') + 1; + assert(i > 0); + return + rtl_ustr_compare_WithLength( + shortName.getStr(), shortName.getLength(), + longName.getStr() + i, longName.getLength() - i) == + 0; + } else { + return shortName == longName; + } +} + +Data::Data(): root_(new RootNode) {} + +rtl::Reference< Node > Data::resolvePathRepresentation( + OUString const & pathRepresentation, + OUString * canonicRepresentation, std::vector<OUString> * path, int * finalizedLayer) + const +{ + if (pathRepresentation.isEmpty() || pathRepresentation[0] != '/') { + throw css::uno::RuntimeException( + "bad path " + pathRepresentation); + } + if (path != nullptr) { + path->clear(); + } + if (pathRepresentation == "/") { + if (canonicRepresentation != nullptr) { + *canonicRepresentation = pathRepresentation; + } + if (finalizedLayer != nullptr) { + *finalizedLayer = NO_LAYER; + } + return root_; + } + OUString seg; + bool setElement; + OUString templateName; + sal_Int32 n = parseSegment(pathRepresentation, 1, &seg, &setElement, nullptr); + if (n == -1 || setElement) + { + throw css::uno::RuntimeException( + "bad path " + pathRepresentation); + } + NodeMap const & components = getComponents(); + NodeMap::const_iterator i(components.find(seg)); + OUStringBuffer canonic(128); + rtl::Reference< Node > parent; + int finalized = NO_LAYER; + for (rtl::Reference< Node > p(i == components.end() ? nullptr : i->second);;) { + if (!p.is()) { + return p; + } + if (canonicRepresentation != nullptr) { + canonic.append('/'); + canonic.append(createSegment(templateName, seg)); + } + if (path != nullptr) { + path->push_back(seg); + } + finalized = std::min(finalized, p->getFinalized()); + if (n != pathRepresentation.getLength() && + pathRepresentation[n++] != '/') + { + throw css::uno::RuntimeException( + "bad path " + pathRepresentation); + } + // for backwards compatibility, ignore a final slash + if (n == pathRepresentation.getLength()) { + if (canonicRepresentation != nullptr) { + *canonicRepresentation = canonic.makeStringAndClear(); + } + if (finalizedLayer != nullptr) { + *finalizedLayer = finalized; + } + return p; + } + parent = p; + templateName.clear(); + n = parseSegment( + pathRepresentation, n, &seg, &setElement, &templateName); + if (n == -1) { + throw css::uno::RuntimeException( + "bad path " + pathRepresentation); + } + // For backwards compatibility, allow set members to be accessed with + // simple path segments, like group members: + p = p->getMember(seg); + if (setElement) { + switch (parent->kind()) { + case Node::KIND_LOCALIZED_PROPERTY: + if (!templateName.isEmpty()) { + throw css::uno::RuntimeException( + "bad path " + pathRepresentation); + } + break; + case Node::KIND_SET: + if (!templateName.isEmpty() && + !static_cast< SetNode * >(parent.get())->isValidTemplate( + templateName)) + { + throw css::uno::RuntimeException( + "bad path " + pathRepresentation); + } + break; + default: + throw css::uno::RuntimeException( + "bad path " + pathRepresentation); + } + if (!templateName.isEmpty() && p != nullptr) { + assert(!p->getTemplateName().isEmpty()); + if (!equalTemplateNames(templateName, p->getTemplateName())) { + throw css::uno::RuntimeException( + "bad path " + pathRepresentation); + } + } + } + } +} + +rtl::Reference< Node > Data::getTemplate( + int layer, OUString const & fullName) const +{ + return templates.findNode(layer, fullName); +} + +NodeMap & Data::getComponents() const { + return root_->getMembers(); +} + +Additions * Data::addExtensionXcuAdditions( + OUString const & url, int layer) +{ + rtl::Reference item(new ExtensionXcu); + ExtensionXcuAdditions::iterator i( + extensionXcuAdditions_.emplace( + url, rtl::Reference< ExtensionXcu >()).first); + if (i->second.is()) { + throw css::uno::RuntimeException( + "already added extension xcu " + url); + } + i->second = item; + item->layer = layer; + return &item->additions; +} + +rtl::Reference< Data::ExtensionXcu > Data::removeExtensionXcuAdditions( + OUString const & url) +{ + ExtensionXcuAdditions::iterator i(extensionXcuAdditions_.find(url)); + if (i == extensionXcuAdditions_.end()) { + // This can happen, as migration of pre OOo 3.3 UserInstallation + // extensions in dp_registry::backend::configuration::BackendImpl:: + // PackageImpl::processPackage_ can cause just-in-time creation of + // extension xcu files that are never added via addExtensionXcuAdditions + // (also, there might be url spelling differences between calls to + // addExtensionXcuAdditions and removeExtensionXcuAdditions?): + SAL_INFO( + "configmgr", + "unknown Data::removeExtensionXcuAdditions(" << url << ")"); + return rtl::Reference< ExtensionXcu >(); + } + rtl::Reference< ExtensionXcu > item(i->second); + extensionXcuAdditions_.erase(i); + return item; +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |