/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* libwpd
* Version: MPL 2.0 / LGPLv2.1+
*
* 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/.
*
* Major Contributor(s):
* Copyright (C) 2002 William Lachance (wrlach@gmail.com)
* Copyright (C) 2002 Marc Maurer (uwog@uwog.net)
* Copyright (C) 2006 Fridrich Strba (fridrich.strba@bluewin.ch)
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms
* of the GNU Lesser General Public License Version 2.1 or later
* (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
* applicable instead of those above.
*
* For further information visit http://libwpd.sourceforge.net
*/
/* "This product is not manufactured, approved, or supported by
* Corel Corporation or Corel Corporation Limited."
*/
#include <string.h>
#include <limits>
#include "WP6ExtendedDocumentSummaryPacket.h"
#include "libwpd_internal.h"
WP6ExtendedDocumentSummaryPacket::WP6ExtendedDocumentSummaryPacket(librevenge::RVNGInputStream *input, WPXEncryption *encryption, int /* id */, unsigned dataOffset, unsigned dataSize) :
WP6PrefixDataPacket(input, encryption),
m_dataSize(dataSize),
m_streamData(),
m_stream()
{
if (dataSize > 0)
_read(input, encryption, dataOffset, dataSize);
}
WP6ExtendedDocumentSummaryPacket::~WP6ExtendedDocumentSummaryPacket()
{
}
void WP6ExtendedDocumentSummaryPacket::_readContents(librevenge::RVNGInputStream *input, WPXEncryption *encryption)
{
if (!m_dataSize)
return;
if (m_dataSize > ((std::numeric_limits<unsigned>::max)() / 2))
m_dataSize = ((std::numeric_limits<unsigned>::max)() / 2);
m_streamData.reserve(m_dataSize);
for (unsigned i=0; i<(unsigned)m_dataSize; i++)
m_streamData.push_back(readU8(input, encryption));
m_stream.reset(new WPXMemoryInputStream(m_streamData.data(), (unsigned long)m_dataSize));
}
void WP6ExtendedDocumentSummaryPacket::parse(WP6Listener *listener) const
{
if (!m_stream)
return;
unsigned short groupLength = 0;
for (unsigned i=0; i < (unsigned)m_dataSize && !m_stream->isEnd(); i+=groupLength)
{
try
{
groupLength = readU16(m_stream.get(), nullptr);
}
catch (FileException)
{
return;
}
if ((groupLength == 0) || m_stream->isEnd())
return;
unsigned short tagID = readU16(m_stream.get(), nullptr);
if (m_stream->isEnd())
return;
if (m_stream->seek(2, librevenge::RVNG_SEEK_CUR))
return;
librevenge::RVNGString name;
unsigned short wpChar = 0;
if (!m_stream->isEnd())
wpChar = readU16(m_stream.get(), nullptr);
for (; wpChar != 0 && !m_stream->isEnd(); wpChar = readU16(m_stream.get(), nullptr))
{
unsigned char character = (unsigned char)(wpChar & 0x00FF);
unsigned char characterSet = (unsigned char)((wpChar >> 8) & 0x00FF);
const unsigned *chars;
int len = extendedCharacterWP6ToUCS4(character,
characterSet, &chars);
for (int j = 0; j < len; j++)
appendUCS4(name, chars[j]);
}
if (tagID == WP6_INDEX_HEADER_EXTENDED_DOCUMENT_SUMMARY_CREATION_DATE ||
tagID == WP6_INDEX_HEADER_EXTENDED_DOCUMENT_SUMMARY_DATE_COMPLETED ||
tagID == WP6_INDEX_HEADER_EXTENDED_DOCUMENT_SUMMARY_RECORDED_DATE ||
tagID == WP6_INDEX_HEADER_EXTENDED_DOCUMENT_SUMMARY_REVISION_DATE ||
tagID == WP6_INDEX_HEADER_EXTENDED_DOCUMENT_SUMMARY_VERSION_DATE)
{
try
{
unsigned short year = readU16(m_stream.get(), nullptr);
unsigned char month = readU8(m_stream.get(), nullptr);
unsigned char day = readU8(m_stream.get(), nullptr);
unsigned char hour = readU8(m_stream.get(), nullptr);
unsigned char minute = readU8(m_stream.get(), nullptr);
unsigned char second = readU8(m_stream.get(), nullptr);
unsigned char dayOfWeek = readU8(m_stream.get(), nullptr);
unsigned char timeZone = readU8(m_stream.get(), nullptr);
unsigned char unused = readU8(m_stream.get(), nullptr);
if (month > 0 && day > 0 && year >= 1900)
listener->setDate(tagID, year, month, day, hour, minute, second, dayOfWeek, timeZone, unused);
}
catch (FileException)
{
return;
}
}
else
{
librevenge::RVNGString data;
if (!m_stream->isEnd())
wpChar = readU16(m_stream.get(), nullptr);
for (; wpChar != 0 && !m_stream->isEnd(); wpChar = readU16(m_stream.get(), nullptr))
{
unsigned char character = (unsigned char)(wpChar & 0x00FF);
unsigned char characterSet = (unsigned char)((wpChar >> 8) & 0x00FF);
const unsigned *chars;
int len = extendedCharacterWP6ToUCS4(character,
characterSet, &chars);
for (int j = 0; j < len; j++)
appendUCS4(data, chars[j]);
}
if (data.len())
listener->setExtendedInformation(tagID, data);
}
m_stream->seek((i+groupLength), librevenge::RVNG_SEEK_SET);
}
}
/* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */