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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 & , < , > , ' , "
bool escapedChar = false;
switch (*(p + 1))
{
case 'a':
if (p + 5 <= end && strncmp(p, "&", 5) == 0)
{
res.append('&');
p += 5;
escapedChar = true;
}
else if (p + 6 <= end && strncmp(p, "'", 6) == 0)
{
res.append('\'');
p += 6;
escapedChar = true;
}
break;
case 'g':
if (strncmp(p, ">", 4) == 0)
{
res.append('>');
p += 4;
escapedChar = true;
}
break;
case 'l':
if (strncmp(p, "<", 4) == 0)
{
res.append('<');
p += 4;
escapedChar = true;
}
break;
case 'q':
if (p + 6 <= end && strncmp(p, """, 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: */
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