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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* This file is part of the libcdr project.
*
* 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/.
*/
#include <libcdr/libcdr.h>
#include "CDRDocumentStructure.h"
#include "CMXParser.h"
#include "CDRContentCollector.h"
#include "CDRStylesCollector.h"
#include "libcdr_utils.h"
/**
Analyzes the content of an input stream to see if it can be parsed
\param input The input stream
\return A value that indicates whether the content from the input
stream is a Corel Draw Document that libcdr is able to parse
*/
CDRAPI bool libcdr::CMXDocument::isSupported(librevenge::RVNGInputStream *input)
try
{
if (!input)
return false;
input->seek(0, librevenge::RVNG_SEEK_SET);
unsigned riff = readU32(input);
if (riff != CDR_FOURCC_RIFF && riff != CDR_FOURCC_RIFX)
return false;
input->seek(4, librevenge::RVNG_SEEK_CUR);
auto signature_c = (char)readU8(input);
if (signature_c != 'C' && signature_c != 'c')
return false;
auto signature_d = (char)readU8(input);
if (signature_d != 'M' && signature_d != 'm')
return false;
auto signature_r = (char)readU8(input);
if (signature_r != 'X' && signature_r != 'x')
return false;
return true;
}
catch (...)
{
return false;
}
/**
Parses the input stream content. It will make callbacks to the functions provided by a
CDRPaintInterface class implementation when needed. This is often commonly called the
'main parsing routine'.
\param input The input stream
\param painter A CDRPainterInterface implementation
\return A value that indicates whether the parsing was successful
*/
CDRAPI bool libcdr::CMXDocument::parse(librevenge::RVNGInputStream *input, librevenge::RVNGDrawingInterface *painter)
{
if (!input || !painter)
return false;
input->seek(0, librevenge::RVNG_SEEK_SET);
CDRParserState ps;
CDRStylesCollector stylesCollector(ps);
CMXParserState parserState;
CMXParser stylesParser(&stylesCollector, parserState);
bool retVal = stylesParser.parseRecords(input);
if (ps.m_pages.empty())
retVal = false;
if (retVal)
{
input->seek(0, librevenge::RVNG_SEEK_SET);
CDRContentCollector contentCollector(ps, painter, false);
CMXParser contentParser(&contentCollector, parserState);
retVal = contentParser.parseRecords(input);
}
return retVal;
}
/* vim:set shiftwidth=2 softtabstop=2 expandtab: */
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