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path: root/protocols/WhatsApp/src/WhatsAPI++/ByteArray.cpp
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/*
 * ByteArray.cpp
 *
 *  Created on: 26/06/2012
 *      Author: Antonio
 */

#include "../common.h" // #TODO Remove Miranda-dependency

#include "ByteArray.h"
#include "WAException.h"
#include "utilities.h"

ByteArrayOutputStream::ByteArrayOutputStream(int size)
{
	this->buf = new std::vector<unsigned char>();
	this->buf->reserve(size);
	this->position = 0;
}

void ByteArrayOutputStream::setLength(size_t length)
{
	this->buf->resize(length);
}

size_t ByteArrayOutputStream::getLength()
{
	return this->buf->size();
}

size_t ByteArrayOutputStream::getCapacity()
{
	return this->buf->capacity();
}

size_t ByteArrayOutputStream::getPosition()
{
	return this->position;
}

void ByteArrayOutputStream::setPosition(size_t count)
{
	this->position = count;
}


std::vector<unsigned char>* ByteArrayOutputStream::toByteArray()
{
	std::vector<unsigned char>* array = new std::vector<unsigned char>(this->buf->size());
	for (size_t i = 0; i < this->buf->size(); i++)
		(*array)[i] = (*this->buf)[i];
	return array;
}

std::vector<unsigned char>* ByteArrayOutputStream::getBuffer()
{
	return this->buf;
}

void ByteArrayOutputStream::write(int i)
{
	if (this->position == this->buf->size())
		this->buf->push_back((unsigned char)i);
	else
		(*this->buf)[this->position] = (unsigned char)i;
	this->position = this->position + 1;
}

void ByteArrayOutputStream::write(unsigned char* b, size_t len)
{
	if (len == 0)
		return;

	for (size_t i = 0; i < len; i++)
		write(b[i]);
}

void ByteArrayOutputStream::write(const std::string& s)
{
	for (size_t i = 0; i < s.size(); i++)
		write((unsigned char)s[i]);
}


ByteArrayOutputStream::~ByteArrayOutputStream()
{
	delete this->buf;
}


ByteArrayInputStream::ByteArrayInputStream(std::vector<unsigned char>* buf, size_t off, size_t length)
{
	this->buf = buf;
	this->pos = off;
	this->count = min(off + length, buf->size());
}

ByteArrayInputStream::ByteArrayInputStream(std::vector<unsigned char>* buf)
{
	this->buf = buf;
	this->pos = 0;
	this->count = buf->size();
}

int ByteArrayInputStream::read()
{
	return (pos < count) ? ((*this->buf)[pos++]) : -1;
}

int ByteArrayInputStream::read(std::vector<unsigned char>& b, size_t  off, size_t len)
{
	if (len > (b.size() - off))
		throw new WAException("Index out of bounds");

	if (len == 0)
		return 0;

	int c = read();
	if (c == -1)
		return -1;

	b[off] = (unsigned char)c;

	size_t i = 1;
	try {
		for (; i < len; i++) {
			c = read();
			if (c == -1)
				break;

			b[off + i] = (unsigned char)c;
		}
	}
	catch (std::exception&) {
	}
	return (int)i;
}

ByteArrayInputStream::~ByteArrayInputStream()
{}

void ByteArrayInputStream::print()
{
	std::cout << "[";
	for (size_t i = 0; i < this->count; i++)
		std::cout << (*this->buf)[i] << " ";

	std::cout << std::endl;
	for (size_t i = 0; i < this->count; i++)
		std::cout << (int)((signed char)(*this->buf)[i]) << " ";

	std::cout << "]" << std::endl;
}

void ByteArrayOutputStream::print()
{
	_LOGDATA("[");

	std::string chars(this->buf->begin(), this->buf->end());
	_LOGDATA("%s ", chars.c_str());

	std::string numbers = "";
	for (size_t i = 0; i < this->buf->size(); i++)
		numbers += Utilities::intToStr((int)((signed char)(*this->buf)[i])) + " ";

	_LOGDATA("%s", numbers.c_str());
	_LOGDATA("]");
}