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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 <writerperfect/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>
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
};
#define librvng_utf8_next_char(p) (char const *)((p) + librvng_utf8_skip_data[*((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 > &xHandler) :
mxHandler(xHandler)
{
}
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(), strlen(i()->getStr().cstr()), 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(), (unsigned long) strlen(i()->getStr().cstr()), decodedValue);
sValue=OUString(decodedValue.cstr(), strlen(decodedValue.cstr()), 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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