diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/Library_tl.mk | 4 | ||||
-rw-r--r-- | tools/source/xml/XmlWalker.cxx | 112 | ||||
-rw-r--r-- | tools/source/xml/XmlWriter.cxx | 119 |
3 files changed, 235 insertions, 0 deletions
diff --git a/tools/Library_tl.mk b/tools/Library_tl.mk index f82338d746cf..ec19ac5100c4 100644 --- a/tools/Library_tl.mk +++ b/tools/Library_tl.mk @@ -74,7 +74,10 @@ $(eval $(call gb_Library_add_exception_objects,tl,\ tools/source/stream/vcompat \ tools/source/string/tenccvt \ tools/source/zcodec/zcodec \ + tools/source/xml/XmlWriter \ + tools/source/xml/XmlWalker \ )) + ifeq ($(OS),WNT) $(eval $(call gb_Library_add_exception_objects,tl, \ tools/source/stream/strmwnt \ @@ -92,6 +95,7 @@ $(eval $(call gb_Library_add_generated_exception_objects,tl,\ $(eval $(call gb_Library_use_externals,tl,\ boost_headers \ zlib \ + libxml2 \ )) ifeq ($(OS),LINUX) diff --git a/tools/source/xml/XmlWalker.cxx b/tools/source/xml/XmlWalker.cxx new file mode 100644 index 000000000000..9bec6d9dd534 --- /dev/null +++ b/tools/source/xml/XmlWalker.cxx @@ -0,0 +1,112 @@ +/* -*- 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/. + */ + +#include <tools/XmlWalker.hxx> +#include <o3tl/make_unique.hxx> + +#include <libxml/tree.h> +#include <libxml/parser.h> +#include <libxml/xmlstring.h> +#include <vector> + +namespace tools { + +struct XmlWalkerImpl +{ + XmlWalkerImpl() + : mpDocPtr(nullptr) + , mpRoot(nullptr) + , mpCurrent(nullptr) + {} + + xmlDocPtr mpDocPtr; + xmlNodePtr mpRoot; + xmlNodePtr mpCurrent; + + std::vector<xmlNodePtr> mpStack; +}; + +XmlWalker::XmlWalker() + : mpImpl(o3tl::make_unique<XmlWalkerImpl>()) +{} + +XmlWalker::~XmlWalker() +{ + if (mpImpl) + xmlFreeDoc(mpImpl->mpDocPtr); +} + +bool XmlWalker::open(SvStream* pStream) +{ + std::size_t nSize = pStream->remainingSize(); + std::vector<sal_uInt8> aBuffer(nSize + 1); + pStream->ReadBytes(aBuffer.data(), nSize); + aBuffer[nSize] = 0; + mpImpl->mpDocPtr = xmlParseDoc(reinterpret_cast<xmlChar*>(aBuffer.data())); + if (mpImpl->mpDocPtr == nullptr) + return false; + mpImpl->mpRoot = xmlDocGetRootElement(mpImpl->mpDocPtr); + mpImpl->mpCurrent = mpImpl->mpRoot; + mpImpl->mpStack.push_back(mpImpl->mpCurrent); + return true; +} + +OString XmlWalker::name() +{ + return OString(reinterpret_cast<const char*>(mpImpl->mpCurrent->name)); +} + +OString XmlWalker::content() +{ + OString aContent; + if (mpImpl->mpCurrent->xmlChildrenNode != nullptr) + { + xmlChar* pContent = xmlNodeListGetString(mpImpl->mpDocPtr, mpImpl->mpCurrent->xmlChildrenNode, 1); + aContent = OString(reinterpret_cast<const char*>(pContent)); + xmlFree(pContent); + } + return aContent; +} + +void XmlWalker::children() +{ + mpImpl->mpStack.push_back(mpImpl->mpCurrent); + mpImpl->mpCurrent = mpImpl->mpCurrent->xmlChildrenNode; +} + +void XmlWalker::parent() +{ + mpImpl->mpCurrent = mpImpl->mpStack.back(); + mpImpl->mpStack.pop_back(); +} + +OString XmlWalker::attribute(OString sName) +{ + xmlChar* xmlName = xmlCharStrdup(sName.getStr()); + xmlChar* xmlAttribute = xmlGetProp(mpImpl->mpCurrent, xmlName); + OString aAttributeContent = OString(reinterpret_cast<const char*>(xmlAttribute)); + xmlFree(xmlAttribute); + xmlFree(xmlName); + + return aAttributeContent; +} + +void XmlWalker::next() +{ + mpImpl->mpCurrent = mpImpl->mpCurrent->next; +} + +bool XmlWalker::isValid() const +{ + return mpImpl->mpCurrent != nullptr; +} + +} // end tools namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/tools/source/xml/XmlWriter.cxx b/tools/source/xml/XmlWriter.cxx new file mode 100644 index 000000000000..014252bc39aa --- /dev/null +++ b/tools/source/xml/XmlWriter.cxx @@ -0,0 +1,119 @@ +/* -*- 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/. + */ + +#include <tools/XmlWriter.hxx> +#include <o3tl/make_unique.hxx> + +#include <libxml/xmlwriter.h> + +namespace tools { + +namespace { + +int funcWriteCallback(void* pContext, const char* sBuffer, int nLen) +{ + SvStream* pStream = static_cast<SvStream*>(pContext); + return static_cast<int>(pStream->WriteBytes(sBuffer, nLen)); +} + +int funcCloseCallback(void* pContext) +{ + SvStream* pStream = static_cast<SvStream*>(pContext); + pStream->Flush(); + return 0; // 0 or -1 in case of error +} + +} // end anonymous namespace + +struct XmlWriterImpl +{ + XmlWriterImpl(SvStream* pStream) + : mpStream(pStream) + , mpWriter(nullptr) + {} + + SvStream* mpStream; + xmlTextWriterPtr mpWriter; +}; + +XmlWriter::XmlWriter(SvStream* pStream) + : mpImpl(o3tl::make_unique<XmlWriterImpl>(pStream)) +{} + +XmlWriter::~XmlWriter() +{ + + if (mpImpl && mpImpl->mpWriter != nullptr) + endDocument(); +} + +bool XmlWriter::startDocument() +{ + xmlOutputBufferPtr xmlOutBuffer = xmlOutputBufferCreateIO(funcWriteCallback, funcCloseCallback, mpImpl->mpStream, nullptr); + mpImpl->mpWriter = xmlNewTextWriter(xmlOutBuffer); + if (mpImpl->mpWriter == nullptr) + return false; + xmlTextWriterSetIndent(mpImpl->mpWriter, 1); + xmlTextWriterStartDocument(mpImpl->mpWriter, nullptr, "UTF-8", nullptr); + return true; +} + +void XmlWriter::endDocument() +{ + xmlTextWriterEndDocument(mpImpl->mpWriter); + xmlFreeTextWriter(mpImpl->mpWriter); + mpImpl->mpWriter = nullptr; +} + +void XmlWriter::startElement(const OString& sName) +{ + xmlChar* xmlName = xmlCharStrdup(sName.getStr()); + xmlTextWriterStartElement(mpImpl->mpWriter, xmlName); + xmlFree(xmlName); +} + +void XmlWriter::endElement() +{ + xmlTextWriterEndElement(mpImpl->mpWriter); +} + +void XmlWriter::attribute(const OString& name, const OString & value) +{ + xmlChar* xmlName = xmlCharStrdup(name.getStr()); + xmlChar* xmlValue = xmlCharStrdup(value.getStr()); + xmlTextWriterWriteAttribute(mpImpl->mpWriter, xmlName, xmlValue); + xmlFree(xmlValue); + xmlFree(xmlName); +} + +void XmlWriter::attribute(const OString& name, const OUString& value) +{ + attribute(name, OUStringToOString(value, RTL_TEXTENCODING_UTF8).getStr()); +} + +void XmlWriter::attribute(const OString& name, const sal_Int32 aNumber) +{ + attribute(name, OUString::number(aNumber)); +} + +void XmlWriter::content(const OString& sValue) +{ + xmlChar* xmlValue = xmlCharStrdup(sValue.getStr()); + xmlTextWriterWriteString(mpImpl->mpWriter, xmlValue); + xmlFree(xmlValue); +} + +void XmlWriter::content(const OUString& sValue) +{ + content(OUStringToOString(sValue, RTL_TEXTENCODING_UTF8)); +} + +} // end tools namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |