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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* libsdw
* 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, 2005 William Lachance (william.lachance@sympatico.ca)
* 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://libsdw.sourceforge.net
*/
#include "libsdw_internal.h"
uint8_t libsdw::readU8(WPXInputStream *input)
{
if (!input || input->atEOS())
{
SDW_DEBUG_MSG(("Throwing EndOfStreamException\n"));
throw EndOfStreamException();
}
unsigned long numBytesRead;
uint8_t const *p = input->read(sizeof(uint8_t), numBytesRead);
if (p && numBytesRead == sizeof(uint8_t))
return *(uint8_t const *)(p);
SDW_DEBUG_MSG(("Throwing EndOfStreamException\n"));
throw EndOfStreamException();
}
int8_t libsdw::readS8(WPXInputStream *input)
{
return (int8_t)readU8(input);
}
uint16_t libsdw::readU16(WPXInputStream *input)
{
if (!input || input->atEOS())
{
SDW_DEBUG_MSG(("Throwing EndOfStreamException\n"));
throw EndOfStreamException();
}
unsigned long numBytesRead;
uint8_t const *p = input->read(sizeof(uint16_t), numBytesRead);
if (p && numBytesRead == sizeof(uint16_t))
return (uint16_t)((uint16_t)p[0]|((uint16_t)p[1]<<8));
SDW_DEBUG_MSG(("Throwing EndOfStreamException\n"));
throw EndOfStreamException();
}
int16_t libsdw::readS16(WPXInputStream *input)
{
return (int16_t)readU16(input);
}
uint32_t libsdw::readU32(WPXInputStream *input)
{
if (!input || input->atEOS())
{
SDW_DEBUG_MSG(("Throwing EndOfStreamException\n"));
throw EndOfStreamException();
}
unsigned long numBytesRead;
uint8_t const *p = input->read(sizeof(uint32_t), numBytesRead);
if (p && numBytesRead == sizeof(uint32_t))
return (uint32_t)p[0]|((uint32_t)p[1]<<8)|((uint32_t)p[2]<<16)|((uint32_t)p[3]<<24);
SDW_DEBUG_MSG(("Throwing EndOfStreamException\n"));
throw EndOfStreamException();
}
int32_t libsdw::readS32(WPXInputStream *input)
{
return (int32_t)readU32(input);
}
WPXString libsdw::readString(WPXInputStream *input)
{
WPXString text;
uint8_t c = 0;
while ( !input->atEOS() && (c = readU8(input)) )
text.append((char)c);
return text;
}
/* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */
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