libwpd_internal.h

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/* -*- 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) 2002,2004 Marc Maurer (uwog@uwog.net)
 *
 * 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."
 */

#ifndef LIBWPD_INTERNAL_H
#define LIBWPD_INTERNAL_H

#include <librevenge/librevenge.h>
#include <librevenge-stream/librevenge-stream.h>
#include "WPXEncryption.h"

/* Various functions/defines that need not/should not be exported externally */

#if defined(HAVE_FUNC_ATTRIBUTE_FORMAT)
#define WPD_ATTRIBUTE_PRINTF(fmt, arg) __attribute__((format(printf, fmt, arg)))
#else
#define WPD_ATTRIBUTE_PRINTF(fmt, arg)
#endif

#ifdef DEBUG
namespace libwpd
{
void debugPrint(const char *format, ...) WPD_ATTRIBUTE_PRINTF(1, 2);
}

#define WPD_DEBUG_MSG(M) libwpd::debugPrint M
#else
#define WPD_DEBUG_MSG(M)
#endif

#define WPD_NUM_ELEMENTS(array) sizeof(array)/sizeof(array[0])

namespace libwpd
{
struct WPXDummyDeleter
{
        void operator()(void *) {}
};
}

// add more of these as needed for byteswapping
// (the 8-bit functions are just there to make things consistent)
unsigned char readU8(librevenge::RVNGInputStream *input, WPXEncryption *encryption);
unsigned short readU16(librevenge::RVNGInputStream *input, WPXEncryption *encryption, bool bigendian=false);
signed short readS16(librevenge::RVNGInputStream *input, WPXEncryption *encryption, bool bigendian=false);
unsigned readU32(librevenge::RVNGInputStream *input, WPXEncryption *encryption, bool bigendian=false);

librevenge::RVNGString readPascalString(librevenge::RVNGInputStream *input, WPXEncryption *encryption);
librevenge::RVNGString readCString(librevenge::RVNGInputStream *input, WPXEncryption *encryption);

void appendUCS4(librevenge::RVNGString &str, unsigned ucs4);

// Various helper structures for the libwpd parser..

int extendedCharacterWP6ToUCS4(unsigned char character, unsigned char characterSet,
                               const unsigned **chars);

int extendedCharacterWP5ToUCS4(unsigned char character, unsigned char characterSet,
                               const unsigned **chars);

int appleWorldScriptToUCS4(unsigned short character, const unsigned **chars);

int extendedCharacterWP42ToUCS4(unsigned char character, const unsigned **chars);

unsigned short fixedPointToWPUs(const unsigned fixedPointNumber);
double fixedPointToDouble(const unsigned fixedPointNumber);
double wpuToFontPointSize(const unsigned short wpuNumber);

enum WPXFileType { WP6_DOCUMENT, WP5_DOCUMENT, WP42_DOCUMENT, OTHER };
enum WPXNumberingType { ARABIC, LOWERCASE, UPPERCASE, LOWERCASE_ROMAN, UPPERCASE_ROMAN };
enum WPXNoteType { FOOTNOTE, ENDNOTE };
enum WPXHeaderFooterType { HEADER, FOOTER };
enum WPXHeaderFooterInternalType { HEADER_A, HEADER_B, FOOTER_A, FOOTER_B, DUMMY };
enum WPXHeaderFooterOccurrence { ODD, EVEN, ALL, NEVER };
enum WPXPageNumberPosition { PAGENUMBER_POSITION_NONE = 0, PAGENUMBER_POSITION_TOP_LEFT, PAGENUMBER_POSITION_TOP_CENTER,
                             PAGENUMBER_POSITION_TOP_RIGHT, PAGENUMBER_POSITION_TOP_LEFT_AND_RIGHT,
                             PAGENUMBER_POSITION_BOTTOM_LEFT, PAGENUMBER_POSITION_BOTTOM_CENTER,
                             PAGENUMBER_POSITION_BOTTOM_RIGHT, PAGENUMBER_POSITION_BOTTOM_LEFT_AND_RIGHT,
                             PAGENUMBER_POSITION_TOP_INSIDE_LEFT_AND_RIGHT,
                             PAGENUMBER_POSITION_BOTTOM_INSIDE_LEFT_AND_RIGHT
                           };

enum WPXFormOrientation { PORTRAIT, LANDSCAPE };
enum WPXTabAlignment { LEFT, RIGHT, CENTER, DECIMAL, BAR };
enum WPXVerticalAlignment { TOP, MIDDLE, BOTTOM, FULL };

enum WPXTextColumnType { NEWSPAPER, NEWSPAPER_VERTICAL_BALANCE, PARALLEL, PARALLEL_PROTECT };

enum WPXSubDocumentType { WPX_SUBDOCUMENT_NONE, WPX_SUBDOCUMENT_HEADER_FOOTER, WPX_SUBDOCUMENT_NOTE, WPX_SUBDOCUMENT_TEXT_BOX, WPX_SUBDOCUMENT_COMMENT_ANNOTATION };

// ATTRIBUTE bits
#define WPX_EXTRA_LARGE_BIT 1
#define WPX_VERY_LARGE_BIT 2
#define WPX_LARGE_BIT 4
#define WPX_SMALL_PRINT_BIT 8
#define WPX_FINE_PRINT_BIT 16
#define WPX_SUPERSCRIPT_BIT 32
#define WPX_SUBSCRIPT_BIT 64
#define WPX_OUTLINE_BIT 128
#define WPX_ITALICS_BIT 256
#define WPX_SHADOW_BIT 512
#define WPX_REDLINE_BIT 1024
#define WPX_DOUBLE_UNDERLINE_BIT 2048
#define WPX_BOLD_BIT 4096
#define WPX_STRIKEOUT_BIT 8192
#define WPX_UNDERLINE_BIT 16384
#define WPX_SMALL_CAPS_BIT 32768
#define WPX_BLINK_BIT 65536
#define WPX_REVERSEVIDEO_BIT 131072

// JUSTIFICATION bits.
#define WPX_PARAGRAPH_JUSTIFICATION_LEFT 0x00
#define WPX_PARAGRAPH_JUSTIFICATION_FULL 0x01
#define WPX_PARAGRAPH_JUSTIFICATION_CENTER 0x02
#define WPX_PARAGRAPH_JUSTIFICATION_RIGHT 0x03
#define WPX_PARAGRAPH_JUSTIFICATION_FULL_ALL_LINES 0x04
#define WPX_PARAGRAPH_JUSTIFICATION_DECIMAL_ALIGNED 0x05

// TABLE POSITION bits.
#define WPX_TABLE_POSITION_ALIGN_WITH_LEFT_MARGIN 0x00
#define WPX_TABLE_POSITION_ALIGN_WITH_RIGHT_MARGIN 0x01
#define WPX_TABLE_POSITION_CENTER_BETWEEN_MARGINS 0x02
#define WPX_TABLE_POSITION_FULL 0x03
#define WPX_TABLE_POSITION_ABSOLUTE_FROM_LEFT_MARGIN 0x04

// TABLE CELL BORDER bits
const unsigned char WPX_TABLE_CELL_LEFT_BORDER_OFF = 0x01;
const unsigned char WPX_TABLE_CELL_RIGHT_BORDER_OFF = 0x02;
const unsigned char WPX_TABLE_CELL_TOP_BORDER_OFF = 0x04;
const unsigned char WPX_TABLE_CELL_BOTTOM_BORDER_OFF = 0x08;

// BREAK bits
#define WPX_PAGE_BREAK 0x00
#define WPX_SOFT_PAGE_BREAK 0x01
#define WPX_COLUMN_BREAK 0x02

// Generic bits
#define WPX_LEFT 0x00
#define WPX_RIGHT 0x01
#define WPX_CENTER 0x02
#define WPX_TOP 0x03
#define WPX_BOTTOM 0x04

struct RGBSColor
{
        RGBSColor(unsigned char r, unsigned char g, unsigned char b, unsigned char s);
        RGBSColor(unsigned short red, unsigned short green, unsigned short blue); // Construct
        // RBBSColor from double precision RGB color used by WP3.x for Mac
        RGBSColor(); // initializes all values to 0
        unsigned char m_r;
        unsigned char m_g;
        unsigned char m_b;
        unsigned char m_s;
};

struct WPXColumnDefinition
{
        WPXColumnDefinition(); // initializes all values to 0
        double m_width;
        double m_leftGutter;
        double m_rightGutter;
};

struct WPXColumnProperties
{
        WPXColumnProperties();
        unsigned m_attributes;
        unsigned char m_alignment;
};

struct WPXTabStop
{
        WPXTabStop();
        double m_position;
        WPXTabAlignment m_alignment;
        unsigned m_leaderCharacter;
        unsigned char m_leaderNumSpaces;
};

// Various exceptions: libwpd does not propagate exceptions externally..

class VersionException
{
};

class FileException
{
};

class ParseException
{
};

class GenericException
{
};

class UnsupportedEncryptionException
{
};

class SupportedEncryptionException
{
};

class WrongPasswordException
{
};

// Various usefull, but cheesey functions

int _extractNumericValueFromRoman(const char romanChar);
int _extractDisplayReferenceNumberFromBuf(const librevenge::RVNGString &buf, const WPXNumberingType listType);
WPXNumberingType _extractWPXNumberingTypeFromBuf(const librevenge::RVNGString &buf, const WPXNumberingType putativeWPXNumberingType);
librevenge::RVNGString _numberingTypeToString(WPXNumberingType t);
extern const unsigned macRomanCharacterMap[];
librevenge::RVNGString doubleToString(const double value);

#endif /* LIBWPD_INTERNAL_H */
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