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-rw-r--r--writerperfect/source/common/DocumentHandler.cxx182
1 files changed, 182 insertions, 0 deletions
diff --git a/writerperfect/source/common/DocumentHandler.cxx b/writerperfect/source/common/DocumentHandler.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ *
+ * For further information visit http://libwpd.sourceforge.net
+ */
+
+#include <DocumentHandler.hxx>
+
+#include <string.h>
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
+#include <com/sun/star/xml/sax/XAttributeList.hpp>
+
+#include <xmloff/attrlist.hxx>
+#include <xmloff/xmlimp.hxx>
+
+namespace writerperfect
+{
+static const unsigned char librvng_utf8_skip_data[256]
+ = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 1, 1 };
+
+static const char* librvng_utf8_next_char(const char* p)
+{
+ return p + librvng_utf8_skip_data[*reinterpret_cast<unsigned char const*>(p)];
+}
+
+static void unescapeXML(const char* s, const unsigned long sz, librevenge::RVNGString& res)
+{
+ const char* p = s;
+ const char* const end = p + sz;
+ while (p != end)
+ {
+ const char* const next = librvng_utf8_next_char(p);
+ if (next > end)
+ {
+ // oops, the string is invalid
+ break;
+ }
+ if (p + 4 <= end && p + 1 == next && *p == '&')
+ {
+ // look for &amp; , &lt; , &gt; , &apos; , &quot;
+ bool escapedChar = false;
+ switch (*(p + 1))
+ {
+ case 'a':
+ if (p + 5 <= end && strncmp(p, "&amp;", 5) == 0)
+ {
+ res.append('&');
+ p += 5;
+ escapedChar = true;
+ }
+ else if (p + 6 <= end && strncmp(p, "&apos;", 6) == 0)
+ {
+ res.append('\'');
+ p += 6;
+ escapedChar = true;
+ }
+ break;
+ case 'g':
+ if (strncmp(p, "&gt;", 4) == 0)
+ {
+ res.append('>');
+ p += 4;
+ escapedChar = true;
+ }
+ break;
+ case 'l':
+ if (strncmp(p, "&lt;", 4) == 0)
+ {
+ res.append('<');
+ p += 4;
+ escapedChar = true;
+ }
+ break;
+ case 'q':
+ if (p + 6 <= end && strncmp(p, "&quot;", 6) == 0)
+ {
+ res.append('"');
+ p += 6;
+ escapedChar = true;
+ }
+ break;
+ default:
+ break;
+ }
+ if (escapedChar)
+ continue;
+ }
+
+ while (p != next)
+ {
+ res.append(*p);
+ ++p;
+ }
+ p = next;
+ }
+}
+
+using com::sun::star::uno::Reference;
+using com::sun::star::xml::sax::XAttributeList;
+using com::sun::star::xml::sax::XDocumentHandler;
+
+DocumentHandler::DocumentHandler(Reference<XDocumentHandler> const& xHandler)
+ : mxHandler(xHandler)
+{
+ if (SvXMLImport* pFastHandler = dynamic_cast<SvXMLImport*>(mxHandler.get()))
+ mxHandler.set(new SvXMLLegacyToFastDocHandler(pFastHandler));
+}
+
+void DocumentHandler::startDocument() { mxHandler->startDocument(); }
+
+void DocumentHandler::endDocument() { mxHandler->endDocument(); }
+
+void DocumentHandler::startElement(const char* psName,
+ const librevenge::RVNGPropertyList& xPropList)
+{
+ SvXMLAttributeList* pAttrList = new SvXMLAttributeList();
+ Reference<XAttributeList> xAttrList(pAttrList);
+ librevenge::RVNGPropertyList::Iter i(xPropList);
+ for (i.rewind(); i.next();)
+ {
+ // filter out librevenge elements
+ if (strncmp(i.key(), "librevenge", 10) != 0)
+ {
+ size_t keyLength = strlen(i.key());
+ OUString sName(i.key(), keyLength, RTL_TEXTENCODING_UTF8);
+ OUString sValue(i()->getStr().cstr(), i()->getStr().len(), RTL_TEXTENCODING_UTF8);
+
+ // libodfgen xml-encodes some attribute's value, so check if the value is encoded or not
+ for (int j = 0; j < 9; ++j)
+ {
+ // list of the encoded attributes followed by their lengths
+ static char const* listEncoded[9]
+ = { "draw:name", "svg:font-family", "style:condition",
+ "style:num-prefix", "style:num-suffix", "table:formula",
+ "text:bullet-char", "text:label", "xlink:href" };
+ static size_t const listEncodedLength[9] = { 9, 15, 15, 16, 16, 13, 16, 10, 10 };
+ if (keyLength == listEncodedLength[j]
+ && strncmp(i.key(), listEncoded[j], keyLength) == 0)
+ {
+ librevenge::RVNGString decodedValue("");
+ unescapeXML(i()->getStr().cstr(),
+ static_cast<unsigned long>(i()->getStr().len()), decodedValue);
+ sValue
+ = OUString(decodedValue.cstr(), decodedValue.len(), RTL_TEXTENCODING_UTF8);
+ break;
+ }
+ }
+ pAttrList->AddAttribute(sName, sValue);
+ }
+ }
+
+ OUString sElementName(psName, strlen(psName), RTL_TEXTENCODING_UTF8);
+ mxHandler->startElement(sElementName, xAttrList);
+}
+
+void DocumentHandler::endElement(const char* psName)
+{
+ OUString sElementName(psName, strlen(psName), RTL_TEXTENCODING_UTF8);
+ mxHandler->endElement(sElementName);
+}
+
+void DocumentHandler::characters(const librevenge::RVNGString& sCharacters)
+{
+ OUString sCharU16(sCharacters.cstr(), strlen(sCharacters.cstr()), RTL_TEXTENCODING_UTF8);
+ mxHandler->characters(sCharU16);
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */