Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 181 insertions, 0 deletions

diff --git a/writerperfect/source/common/DocumentHandler.cxx b/writerperfect/source/common/DocumentHandler.cxx
new file mode 100644
index 000000000..6b5ffe58a
--- /dev/null
+++ b/writerperfect/source/common/DocumentHandler.cxx
@@ -0,0 +1,181 @@
+/* -*- 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
+{
+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)
+{
+    rtl::Reference<SvXMLAttributeList> pAttrList = new SvXMLAttributeList();
+    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, pAttrList);
+}
+
+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: */