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-rw-r--r--forms/source/xforms/submission/serialization_urlencoded.cxx181
1 files changed, 181 insertions, 0 deletions
diff --git a/forms/source/xforms/submission/serialization_urlencoded.cxx b/forms/source/xforms/submission/serialization_urlencoded.cxx
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+++ b/forms/source/xforms/submission/serialization_urlencoded.cxx
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+/* -*- 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 <com/sun/star/io/Pipe.hpp>
+#include <com/sun/star/xml/xpath/XPathObjectType.hpp>
+#include <com/sun/star/xml/dom/XNode.hpp>
+#include <com/sun/star/xml/dom/XText.hpp>
+#include <com/sun/star/xml/dom/XNodeList.hpp>
+#include <com/sun/star/xml/dom/NodeType.hpp>
+#include <rtl/character.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/strbuf.hxx>
+#include <comphelper/processfactory.hxx>
+
+#include <stdio.h>
+
+#include "serialization_urlencoded.hxx"
+
+using namespace css::uno;
+using namespace css::io;
+using namespace css::xml::xpath;
+using namespace css::xml::dom;
+
+CSerializationURLEncoded::CSerializationURLEncoded()
+ : m_aPipe(Pipe::create(comphelper::getProcessComponentContext()))
+{
+}
+
+
+/*
+ rfc2396
+ reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
+ "$" | ","
+ mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
+ unreserved = alphanum | mark
+*/
+bool CSerializationURLEncoded::is_unreserved(char c)
+{
+ if (rtl::isAsciiAlphanumeric(static_cast<unsigned char>(c)))
+ return true;
+ switch (c) {
+ case '-':
+ case '_':
+ case '.':
+ case '!':
+ case '~':
+ case '*':
+ case '\'':
+ case '(':
+ case ')':
+ return true;
+ }
+ return false;
+}
+void CSerializationURLEncoded::encode_and_append(
+ std::u16string_view aString, OStringBuffer& aBuffer)
+{
+ OString utf8String = OUStringToOString(aString, RTL_TEXTENCODING_UTF8);
+ const sal_uInt8 *pString = reinterpret_cast< const sal_uInt8 * >( utf8String.getStr() );
+ char tmpChar[4];
+
+ while( *pString != 0)
+ {
+ if( *pString < 0x80 )
+ {
+ if ( is_unreserved(*pString) ) {
+ aBuffer.append(char(*pString));
+ } else if (*pString == 0x20) {
+ aBuffer.append('+');
+ } else if (*pString == 0x0d && *(pString+1) == 0x0a) {
+ aBuffer.append("%0D%0A");
+ pString++;
+ } else if (*pString == 0x0a) {
+ aBuffer.append("%0D%0A");
+ } else {
+ snprintf(tmpChar, 4, "%%%X", *pString % 0x100);
+ aBuffer.append(tmpChar);
+ }
+ } else {
+ snprintf(tmpChar, 4, "%%%X", *pString % 0x100);
+ aBuffer.append(tmpChar);
+ while (*pString >= 0x80) {
+ // continuation...
+ pString++;
+ snprintf(tmpChar, 4, "%%%X", *pString % 0x100);
+ aBuffer.append(tmpChar);
+ }
+ }
+ pString++;
+ }
+}
+
+void CSerializationURLEncoded::serialize_node(const Reference< XNode >& aNode)
+{
+ // serialize recursive
+ // every element node E that has a text child T will be serialized in document order
+ // <E1>T1<E2>T2</E2></E1><E3>T3</E3> -> E1=T2&E2=T2&E3=T3 (En := local name)
+
+ // this node
+ Reference< XNodeList > aChildList = aNode->getChildNodes();
+ Reference< XNode > aChild;
+ // is this an element node?
+ if (aNode->getNodeType() == NodeType_ELEMENT_NODE)
+ {
+ OUString aName = aNode->getNodeName();
+ // find any text children
+ OUStringBuffer aValue;
+ Reference< XText > aText;
+ for(sal_Int32 i=0; i < aChildList->getLength(); i++)
+ {
+ aChild = aChildList->item(i);
+ if (aChild->getNodeType() == NodeType_TEXT_NODE)
+ {
+ aText.set(aChild, UNO_QUERY);
+ aValue.append(aText->getData());
+ }
+ }
+
+ // found anything?
+ if (!aValue.isEmpty())
+ {
+ OUString aUnencValue = aValue.makeStringAndClear();
+ OStringBuffer aEncodedBuffer;
+ encode_and_append(aName, aEncodedBuffer);
+ aEncodedBuffer.append("=");
+ encode_and_append(aUnencValue, aEncodedBuffer);
+ aEncodedBuffer.append("&");
+ sal_Int8 const *pData = reinterpret_cast<sal_Int8 const *>(aEncodedBuffer.getStr());
+ Sequence< sal_Int8 > sData(pData, aEncodedBuffer.getLength());
+ m_aPipe->writeBytes(sData);
+ }
+ }
+
+ // element children...
+ for(sal_Int32 i=0; i < aChildList->getLength(); i++)
+ {
+ aChild = aChildList->item(i);
+ // if this is an element node, it might be a candidate for serialization
+ if (aChild.is() && aChild->getNodeType() == NodeType_ELEMENT_NODE)
+ serialize_node(aChild);
+ }
+}
+
+void CSerializationURLEncoded::serialize()
+{
+
+ // output stream to the pipe buffer
+
+ css::uno::Reference< css::xml::dom::XNode > cur = m_aFragment->getFirstChild();
+ while (cur.is())
+ {
+ serialize_node(cur);
+ cur = cur->getNextSibling();
+ }
+ m_aPipe->closeOutput();
+}
+
+Reference< XInputStream > CSerializationURLEncoded::getInputStream()
+{
+ return m_aPipe;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */