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-rw-r--r--tools/source/xml/XmlWalker.cxx106
-rw-r--r--tools/source/xml/XmlWriter.cxx169
2 files changed, 275 insertions, 0 deletions
diff --git a/tools/source/xml/XmlWalker.cxx b/tools/source/xml/XmlWalker.cxx
new file mode 100644
index 000000000..b21c22335
--- /dev/null
+++ b/tools/source/xml/XmlWalker.cxx
@@ -0,0 +1,106 @@
+/* -*- 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/stream.hxx>
+#include <tools/XmlWalker.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(std::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 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(const OString& sName)
+{
+ xmlChar* xmlName = xmlCharStrdup(sName.getStr());
+ xmlChar* xmlAttribute = xmlGetProp(mpImpl->mpCurrent, xmlName);
+ OString aAttributeContent(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 000000000..eaea3d9c1
--- /dev/null
+++ b/tools/source/xml/XmlWriter.cxx
@@ -0,0 +1,169 @@
+/* -*- 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/stream.hxx>
+#include <tools/XmlWriter.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)
+ , mbWriteXmlHeader(true)
+ {
+ }
+
+ SvStream* mpStream;
+ xmlTextWriterPtr mpWriter;
+ bool mbWriteXmlHeader;
+};
+
+XmlWriter::XmlWriter(SvStream* pStream)
+ : mpImpl(std::make_unique<XmlWriterImpl>(pStream))
+{
+}
+
+XmlWriter::~XmlWriter()
+{
+ if (mpImpl && mpImpl->mpWriter != nullptr)
+ endDocument();
+}
+
+bool XmlWriter::startDocument(sal_Int32 nIndent, bool bWriteXmlHeader)
+{
+ mpImpl->mbWriteXmlHeader = bWriteXmlHeader;
+ xmlOutputBufferPtr xmlOutBuffer
+ = xmlOutputBufferCreateIO(funcWriteCallback, funcCloseCallback, mpImpl->mpStream, nullptr);
+ mpImpl->mpWriter = xmlNewTextWriter(xmlOutBuffer);
+ if (mpImpl->mpWriter == nullptr)
+ return false;
+ xmlTextWriterSetIndent(mpImpl->mpWriter, nIndent);
+ if (mpImpl->mbWriteXmlHeader)
+ xmlTextWriterStartDocument(mpImpl->mpWriter, nullptr, "UTF-8", nullptr);
+ return true;
+}
+
+void XmlWriter::endDocument()
+{
+ if (mpImpl->mbWriteXmlHeader)
+ xmlTextWriterEndDocument(mpImpl->mpWriter);
+ xmlFreeTextWriter(mpImpl->mpWriter);
+ mpImpl->mpWriter = nullptr;
+}
+
+void XmlWriter::startElement(const OString& sPrefix, const OString& sName,
+ const OString& sNamespaceUri)
+{
+ xmlChar* xmlName = xmlCharStrdup(sName.getStr());
+ xmlChar* xmlPrefix = nullptr;
+ xmlChar* xmlNamespaceUri = nullptr;
+ if (!sPrefix.isEmpty())
+ xmlPrefix = xmlCharStrdup(sPrefix.getStr());
+ if (!sNamespaceUri.isEmpty())
+ xmlNamespaceUri = xmlCharStrdup(sNamespaceUri.getStr());
+
+ xmlTextWriterStartElementNS(mpImpl->mpWriter, xmlPrefix, xmlName, xmlNamespaceUri);
+
+ xmlFree(xmlName);
+ if (!sPrefix.isEmpty())
+ xmlFree(xmlPrefix);
+ if (!sNamespaceUri.isEmpty())
+ xmlFree(xmlNamespaceUri);
+}
+
+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::attributeBase64(const OString& rsName, std::vector<sal_uInt8> const& rValueInBytes)
+{
+ std::vector<char> aSignedBytes(rValueInBytes.begin(), rValueInBytes.end());
+ attributeBase64(rsName, aSignedBytes);
+}
+
+void XmlWriter::attributeBase64(const OString& rsName, std::vector<char> const& rValueInBytes)
+{
+ xmlChar* xmlName = xmlCharStrdup(rsName.getStr());
+ xmlTextWriterStartAttribute(mpImpl->mpWriter, xmlName);
+ xmlTextWriterWriteBase64(mpImpl->mpWriter, rValueInBytes.data(), 0, rValueInBytes.size());
+ xmlTextWriterEndAttribute(mpImpl->mpWriter);
+ xmlFree(xmlName);
+}
+
+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::attributeDouble(const OString& name, const double 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));
+}
+
+void XmlWriter::element(const OString& sName)
+{
+ startElement(sName);
+ endElement();
+}
+
+} // end tools namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 06:31:03 +0000