/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/*

 * This file is part of the libmspub 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/.

 */

#ifndef INCLUDED_LIBMSPUB_UTILS_H

#define INCLUDED_LIBMSPUB_UTILS_H

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <cmath>

#include <vector>

#include <boost/cstdint.hpp>

#include <librevenge/librevenge.h>

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

#include "MSPUBTypes.h"

#ifndef M_PI

#define M_PI 3.14159265358979323846

#endif

#if defined(HAVE_FUNC_ATTRIBUTE_FORMAT)

#  define MSPUB_ATTRIBUTE_PRINTF(fmt, arg) __attribute__((__format__(__printf__, fmt, arg)))

#else

#  define MSPUB_ATTRIBUTE_PRINTF(fmt, arg)

#endif

#if defined(HAVE_CLANG_ATTRIBUTE_FALLTHROUGH)

#  define MSPUB_FALLTHROUGH [[clang::fallthrough]]

#elif defined(HAVE_GCC_ATTRIBUTE_FALLTHROUGH)

#  define MSPUB_FALLTHROUGH __attribute__((fallthrough))

#else

#  define MSPUB_FALLTHROUGH ((void) 0)

#endif

// do nothing with debug messages in a release compile

#ifdef DEBUG

namespace libmspub

{

void debugPrint(const char *format, ...) MSPUB_ATTRIBUTE_PRINTF(1, 2);

}

#define MSPUB_DEBUG_MSG(M) libmspub::debugPrint M

#define MSPUB_DEBUG(M) M

#else

#define MSPUB_DEBUG_MSG(M)

#define MSPUB_DEBUG(M)

#endif

namespace libmspub

{

const char *mimeByImgType(ImgType type);

const char *windowsCharsetNameByOriginalCharset(const char *name);

uint8_t readU8(librevenge::RVNGInputStream *input);

uint16_t readU16(librevenge::RVNGInputStream *input);

uint32_t readU32(librevenge::RVNGInputStream *input);

uint64_t readU64(librevenge::RVNGInputStream *input);

int8_t readS8(librevenge::RVNGInputStream *input);

int16_t readS16(librevenge::RVNGInputStream *input);

int32_t readS32(librevenge::RVNGInputStream *input);

double readFixedPoint(librevenge::RVNGInputStream *input);

double toFixedPoint(int fp);

void readNBytes(librevenge::RVNGInputStream *input, unsigned long length, std::vector<unsigned char> &out;;

unsigned long getLength(librevenge::RVNGInputStream *input);

void appendCharacters(librevenge::RVNGString &text, const std::vector<unsigned char> &characters, const char *encoding);

bool stillReading(librevenge::RVNGInputStream *input, unsigned long until);

void rotateCounter(double &x, double &y, double centerX, double centerY, short rotation);

void flipIfNecessary(double &x, double &y, double centerX, double centerY, bool flipVertical, bool flipHorizontal);

unsigned correctModulo(int x, unsigned n);

double doubleModulo(double x, double y);

template <class MapT> typename MapT::mapped_type *getIfExists(MapT &map, const typename MapT::key_type &key)

{

  auto i = map.find(key);

  return i == map.end() ? nullptr : &(i->second);

}

template <class MapT> const typename MapT::mapped_type *getIfExists_const(MapT &map, const typename MapT::key_type &key)

{

  auto i = map.find(key);

  return i == map.end() ? nullptr : &(i->second);

}

template <class MapT> typename MapT::mapped_type ptr_getIfExists(MapT &map, const typename MapT::key_type &key)

{

  typename MapT::iterator i = map.find(key);

  return i == map.end() ? NULL : i->second;

}

class EndOfStreamException

{

};

class GenericException

{

};

librevenge::RVNGBinaryData inflateData(librevenge::RVNGBinaryData);

} // namespace libmspub

#endif // INCLUDED_LIBMSPUB_UTILS_H

/* vim:set shiftwidth=2 softtabstop=2 expandtab: */