92a8faa5ea
Change-Id: I6391e8caf4e344d410a31f45d391059498ebd928 Reviewed-on: https://gerrit.libreoffice.org/76635 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <tools/stream.hxx>
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#include <tools/XmlWalker.hxx>
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#include <libxml/tree.h>
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#include <libxml/parser.h>
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#include <libxml/xmlstring.h>
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#include <vector>
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namespace tools
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{
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struct XmlWalkerImpl
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{
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XmlWalkerImpl()
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: mpDocPtr(nullptr)
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, mpRoot(nullptr)
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, mpCurrent(nullptr)
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{
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}
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xmlDocPtr mpDocPtr;
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xmlNodePtr mpRoot;
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xmlNodePtr mpCurrent;
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std::vector<xmlNodePtr> mpStack;
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};
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XmlWalker::XmlWalker()
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: mpImpl(std::make_unique<XmlWalkerImpl>())
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{
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}
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XmlWalker::~XmlWalker()
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{
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if (mpImpl)
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xmlFreeDoc(mpImpl->mpDocPtr);
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}
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bool XmlWalker::open(SvStream* pStream)
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{
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std::size_t nSize = pStream->remainingSize();
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std::vector<sal_uInt8> aBuffer(nSize + 1);
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pStream->ReadBytes(aBuffer.data(), nSize);
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aBuffer[nSize] = 0;
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mpImpl->mpDocPtr = xmlParseDoc(reinterpret_cast<xmlChar*>(aBuffer.data()));
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if (mpImpl->mpDocPtr == nullptr)
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return false;
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mpImpl->mpRoot = xmlDocGetRootElement(mpImpl->mpDocPtr);
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mpImpl->mpCurrent = mpImpl->mpRoot;
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mpImpl->mpStack.push_back(mpImpl->mpCurrent);
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return true;
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}
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OString XmlWalker::name() { return reinterpret_cast<const char*>(mpImpl->mpCurrent->name); }
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OString XmlWalker::content()
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{
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OString aContent;
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if (mpImpl->mpCurrent->xmlChildrenNode != nullptr)
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{
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xmlChar* pContent
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= xmlNodeListGetString(mpImpl->mpDocPtr, mpImpl->mpCurrent->xmlChildrenNode, 1);
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aContent = OString(reinterpret_cast<const char*>(pContent));
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xmlFree(pContent);
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}
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return aContent;
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}
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void XmlWalker::children()
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{
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mpImpl->mpStack.push_back(mpImpl->mpCurrent);
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mpImpl->mpCurrent = mpImpl->mpCurrent->xmlChildrenNode;
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}
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void XmlWalker::parent()
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{
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mpImpl->mpCurrent = mpImpl->mpStack.back();
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mpImpl->mpStack.pop_back();
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}
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OString XmlWalker::attribute(const OString& sName)
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{
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xmlChar* xmlName = xmlCharStrdup(sName.getStr());
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xmlChar* xmlAttribute = xmlGetProp(mpImpl->mpCurrent, xmlName);
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OString aAttributeContent(reinterpret_cast<const char*>(xmlAttribute));
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xmlFree(xmlAttribute);
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xmlFree(xmlName);
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return aAttributeContent;
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}
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void XmlWalker::next() { mpImpl->mpCurrent = mpImpl->mpCurrent->next; }
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bool XmlWalker::isValid() const { return mpImpl->mpCurrent != nullptr; }
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} // end tools namespace
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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