/* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */
/* libmwaw
* Version: MPL 2.0 / LGPLv2+
*
* The contents of this file are subject to the Mozilla Public License Version
* 2.0 (the "License"); you may not use this file except in compliance with
* the License or as specified alternatively below. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Major Contributor(s):
* Copyright (C) 2002 William Lachance (wrlach@gmail.com)
* Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net)
* Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
* Copyright (C) 2006, 2007 Andrew Ziem
* Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr)
*
*
* All Rights Reserved.
*
* 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 or later (the "LGPLv2+"),
* in which case the provisions of the LGPLv2+ are applicable
* instead of those above.
*/
#include <iomanip>
#include <iostream>
#include <limits>
#include <set>
#include <sstream>
#include <librevenge/librevenge.h>
#include "MWAWGraphicListener.hxx"
#include "MWAWHeader.hxx"
#include "MWAWParagraph.hxx"
#include "MWAWPosition.hxx"
#include "MWAWPrinter.hxx"
#include "MWAWSection.hxx"
#include "MWAWRSRCParser.hxx"
#include "MWAWSubDocument.hxx"
#include "GreatWksDocument.hxx"
#include "GreatWksGraph.hxx"
#include "GreatWksText.hxx"
#include "GreatWksDRParser.hxx"
/** Internal: the structures of a GreatWksDRParser */
namespace GreatWksDRParserInternal
{
////////////////////////////////////////
//! Internal: the state of a GreatWksDRParser
struct State {
//! constructor
State()
: m_columnsWidth()
, m_hasColSep(false)
, m_actPage(0)
, m_numPages(0)
, m_headerHeight(0)
, m_footerHeight(0)
{
for (auto &hf : m_hfFlags) hf=false;
}
//! returns the number of expected header/footer zones
int numHeaderFooters() const
{
int num=0;
if (m_hfFlags[2]) num++; // header
if (m_hfFlags[3]) num++; // footer
if (m_hfFlags[1]) num*=2; // lf page
return num;
}
//! returns a section
MWAWSection getSection() const
{
MWAWSection sec;
size_t numCols = m_columnsWidth.size()/2;
if (numCols <= 1)
return sec;
sec.m_columns.resize(size_t(numCols));
if (m_hasColSep)
sec.m_columnSeparator=MWAWBorder();
for (size_t c=0; c < numCols; c++) {
double wSep=0;
if (c)
wSep += sec.m_columns[c].m_margins[libmwaw::Left]=
double(m_columnsWidth[2*c]-m_columnsWidth[2*c-1])/72./2.;
if (c+1!=numCols)
wSep+=sec.m_columns[c].m_margins[libmwaw::Right]=
double(m_columnsWidth[2*c+2]-m_columnsWidth[2*c+1])/72./2.;
sec.m_columns[c].m_width =
double(m_columnsWidth[2*c+1]-m_columnsWidth[2*c])+72.*wSep;
sec.m_columns[c].m_widthUnit = librevenge::RVNG_POINT;
}
return sec;
}
//! the columns dimension
std::vector<double> m_columnsWidth;
//! flags to define header/footer (titlePage, l/rPage, header, footer)
bool m_hfFlags[4];
//! true if columns have columns separator
bool m_hasColSep;
int m_actPage /** the actual page */, m_numPages /** the number of page of the final document */;
int m_headerHeight /** the header height if known */,
m_footerHeight /** the footer height if known */;
};
}
////////////////////////////////////////////////////////////
// constructor/destructor, ...
////////////////////////////////////////////////////////////
GreatWksDRParser::GreatWksDRParser(MWAWInputStreamPtr const &input, MWAWRSRCParserPtr const &rsrcParser, MWAWHeader *header)
: MWAWGraphicParser(input, rsrcParser, header)
, m_state()
, m_document()
{
init();
}
GreatWksDRParser::~GreatWksDRParser()
{
}
void GreatWksDRParser::init()
{
resetGraphicListener();
setAsciiName("main-1");
m_state.reset(new GreatWksDRParserInternal::State);
// reduce the margin (in case, the page is not defined)
getPageSpan().setMargins(0.1);
m_document.reset(new GreatWksDocument(*this));
}
////////////////////////////////////////////////////////////
// the parser
////////////////////////////////////////////////////////////
void GreatWksDRParser::parse(librevenge::RVNGDrawingInterface *docInterface)
{
if (!getInput().get() || !checkHeader(nullptr)) throw(libmwaw::ParseException());
bool ok = false;
try {
// create the asciiFile
ascii().setStream(getInput());
ascii().open(asciiName());
checkHeader(nullptr);
ok = createZones();
if (ok) {
createDocument(docInterface);
m_document->getGraphParser()->sendPageGraphics();
m_document->getTextParser()->sendMainText();
#ifdef DEBUG
m_document->getTextParser()->flushExtra();
#endif
}
ascii().reset();
}
catch (...) {
MWAW_DEBUG_MSG(("GreatWksDRParser::parse: exception catched when parsing\n"));
ok = false;
}
resetGraphicListener();
if (!ok) throw(libmwaw::ParseException());
}
////////////////////////////////////////////////////////////
// create the document
////////////////////////////////////////////////////////////
void GreatWksDRParser::createDocument(librevenge::RVNGDrawingInterface *documentInterface)
{
if (!documentInterface) return;
if (getGraphicListener()) {
MWAW_DEBUG_MSG(("GreatWksDRParser::createDocument: listener already exist\n"));
return;
}
// update the page
m_state->m_actPage = 0;
// create the page list
int numPages = 1;
if (m_document->getGraphParser()->numPages() > numPages)
numPages = m_document->getGraphParser()->numPages();
if (m_document->getTextParser()->numPages() > numPages)
numPages = m_document->getTextParser()->numPages();
m_state->m_numPages = numPages;
std::vector<MWAWPageSpan> pageList;
MWAWPageSpan ps(getPageSpan());
ps.setPageSpan(numPages);
pageList.push_back(ps);
MWAWGraphicListenerPtr listen(new MWAWGraphicListener(*getParserState(), pageList, documentInterface));
setGraphicListener(listen);
listen->startDocument();
}
////////////////////////////////////////////////////////////
//
// Intermediate level
//
////////////////////////////////////////////////////////////
bool GreatWksDRParser::createZones()
{
m_document->readRSRCZones();
MWAWInputStreamPtr input = getInput();
ascii().addPos(40);
ascii().addNote("Entries(GZoneHeader)");
ascii().addDelimiter(68,'|');
long pos = 74;
input->seek(pos, librevenge::RVNG_SEEK_SET);
if (!m_document->getTextParser()->readFontNames())
input->seek(pos, librevenge::RVNG_SEEK_SET);
bool ok=m_document->getGraphParser()->readGraphicZone();
if (!input->isEnd()) {
pos = input->tell();
MWAW_DEBUG_MSG(("GreatWksDRParser::createZones: find some extra data\n"));
ascii().addPos(pos);
ascii().addNote("Entries(Loose):");
ascii().addPos(pos+200);
ascii().addNote("_");
}
return ok;
}
////////////////////////////////////////////////////////////
// read the header
////////////////////////////////////////////////////////////
bool GreatWksDRParser::checkHeader(MWAWHeader *header, bool strict)
{
*m_state = GreatWksDRParserInternal::State();
if (!m_document->checkHeader(header,strict)) return false;
return getParserState()->m_kind==MWAWDocument::MWAW_K_DRAW;
}
// vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab: