WPS8Struct.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* libwps
 * 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) 2009, 2011 Alonso Laurent (alonso@loria.fr)
 * Copyright (C) 2006, 2007 Andrew Ziem
 * Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
 * Copyright (C) 2004 Marc Maurer (uwog@uwog.net)
 * Copyright (C) 2003-2005 William Lachance (william.lachance@sympatico.ca)
 *
 * 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://libwps.sourceforge.net
 */
 
#ifndef WPS8_STRUCT_H
#define WPS8_STRUCT_H
 
#include <string>
#include <vector>
 
#include "libwps_internal.h"

//    Internal structure

namespace WPS8Struct
{
struct FileData;
bool readData(RVNGInputStreamPtr input, long endPos, FileData &dt, std::string &error);
bool readBlockData(RVNGInputStreamPtr input, long endPos, FileData &dt, std::string &error);
std::ostream &operator<< (std::ostream &o, FileData const &dt);

struct FileData
{
        FileData()
                : m_value(0)
                , m_text("")
                , m_recursData()
                , m_type(-1)
                , m_id(-1)
                , m_beginOffset(-1)
                , m_endOffset(-1)
                , m_input() {}

        bool isBad() const
        {
                return m_type==-1;
        }

        bool hasStr() const
        {
                return !m_text.empty();
        }

        bool isNumber() const
        {
                return !hasStr() && (m_type & 0x30) != 0;
        }

        WPSColor getRGBColor() const
        {
                auto col = uint32_t(m_value&0xFFFFFF);
                return WPSColor(col&0xFF, (col>>8)&0xFF, (col>>16)&0xFF);
        }

        bool getBorderStyles(WPSBorder::Style &style, WPSBorder::Type &type, std::string &mess) const;

        bool isBool() const
        {
                return !hasStr() && (m_type & 0xb0)==0;
        }

        bool isTrue() const
        {
                return m_type == 0xa;
        }

        bool isFalse() const
        {
                return m_type == 0x2;
        }

        bool isArray() const
        {
                return !hasStr() && (m_type & 0x80)==0x80;
        }

        bool isRead() const
        {
                return (m_type & 0x80) !=0x80 || !(m_input.get() && m_beginOffset > 0 && m_endOffset >= m_beginOffset+2);
        }

        int type() const
        {
                if (m_type == 0xa) return 2;
                return m_type;
        }

        int id() const
        {
                return m_id;
        }

        bool readArrayBlock() const;

        long m_value;
        std::string m_text;
        std::vector<FileData> m_recursData;

        long begin() const
        {
                return m_beginOffset;
        }

        long end() const
        {
                return m_endOffset;
        }
protected:
        static std::string createErrorString(RVNGInputStreamPtr input, long endPos);

        int m_type;
        int m_id;
 
        long m_beginOffset , m_endOffset ;
        RVNGInputStreamPtr m_input;

        friend std::ostream &operator<< (std::ostream &o, FileData const &dt);
        friend bool readData(RVNGInputStreamPtr input, long endPos, FileData &dt, std::string &error);
        friend bool readBlockData(RVNGInputStreamPtr input, long endPos, FileData &dt, std::string &error);
};
}
 
#endif
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