/* -*- 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 <comphelper/attributelist.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 & , < , > , ' , "
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::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<comphelper::AttributeList> pAttrList = new comphelper::AttributeList();
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: */
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