Ejemplo n.º 1
0
bool test_seekable_in_chars(std::iostream& io)
{
    int i;  // old 'for' scope workaround.

    // Test seeking with ios::cur
    for (i = 0; i < data_reps; ++i) {
        int j;
        for (j = 0; j < chunk_size; ++j)
            io.put(narrow_data()[j]);
        io.seekp(-chunk_size, BOOST_IOS::cur);
        for (j = 0; j < chunk_size; ++j)
            if (io.get() != narrow_data()[j])
               return false;
        io.seekp(-chunk_size, BOOST_IOS::cur);
        for (j = 0; j < chunk_size; ++j)
            io.put(narrow_data()[j]);
    }

    // Test seeking with ios::beg
    std::streamoff off = 0;
    io.seekp(0, BOOST_IOS::beg);
    for (i = 0; i < data_reps; ++i, off += chunk_size) {
        int j;
        for (j = 0; j < chunk_size; ++j)
            io.put(narrow_data()[j]);
        io.seekp(off, BOOST_IOS::beg);
        for (j = 0; j < chunk_size; ++j)
            if (io.get() != narrow_data()[j])
               return false;
        io.seekp(off, BOOST_IOS::beg);
        for (j = 0; j < chunk_size; ++j)
            io.put(narrow_data()[j]);
    }

    // Test seeking with ios::end
    io.seekp(0, BOOST_IOS::end);
    off = io.tellp();
    io.seekp(-off, BOOST_IOS::end);
    for (i = 0; i < data_reps; ++i, off -= chunk_size) {
        int j;
        for (j = 0; j < chunk_size; ++j)
            io.put(narrow_data()[j]);
        io.seekp(-off, BOOST_IOS::end);
        for (j = 0; j < chunk_size; ++j)
            if (io.get() != narrow_data()[j])
               return false;
        io.seekp(-off, BOOST_IOS::end);
        for (j = 0; j < chunk_size; ++j)
            io.put(narrow_data()[j]);
    }
    return true;
}
Ejemplo n.º 2
0
std::string StringUtilities::GetAsString(std::iostream& i_stream)
{
	int length;
	char* p_buffer;
	
	// get length of file:
	i_stream.seekg (0, std::iostream::end);
	length = static_cast<int>(i_stream.tellg());
	i_stream.seekg (0, std::iostream::beg);

	// allocate memory:
	p_buffer = new char [length];
	//write file
	int pos = 0;
	while(i_stream.good())
	{
		p_buffer[pos] = i_stream.get();
		++pos;
	}

	std::string out(p_buffer, pos);
	delete[] p_buffer;
	return out;
}