Esempio n. 1
0
 inline void insert_fill_chars(std::basic_ostream<charT, traits>& os, std::size_t n) {
     enum { chunk_size = 8 };
     charT fill_chars[chunk_size];
     std::fill_n(fill_chars, static_cast< std::size_t >(chunk_size), os.fill());
     for (; n >= chunk_size && os.good(); n -= chunk_size)
         os.write(fill_chars, static_cast< std::size_t >(chunk_size));
     if (n > 0 && os.good())
         os.write(fill_chars, n);
     }
Esempio n. 2
0
	inline void hex_dump(const void* aData, std::size_t aLength, std::basic_ostream<Elem, Traits>& aStream, std::size_t aWidth = 16)
	{
		const char* const start = static_cast<const char*>(aData);
		const char* const end = start + aLength;
		const char* line = start;
		while (line != end)
		{
			aStream.width(4);
			aStream.fill('0');
			aStream << std::hex << line - start << " : ";
			std::size_t lineLength = std::min(aWidth, static_cast<std::size_t>(end - line));
			for (std::size_t pass = 1; pass <= 2; ++pass)
			{	
				for (const char* next = line; next != end && next != line + aWidth; ++next)
				{
					char ch = *next;
					switch(pass)
					{
					case 1:
						aStream << (ch < 32 ? '.' : ch);
						break;
					case 2:
						if (next != line)
							aStream << " ";
						aStream.width(2);
						aStream.fill('0');
						aStream << std::hex << std::uppercase << static_cast<int>(static_cast<unsigned char>(ch));
						break;
					}
				}
				if (pass == 1 && lineLength != aWidth)
					aStream << std::string(aWidth - lineLength, ' ');
				aStream << " ";
			}
			aStream << std::endl;
			line = line + lineLength;
		}
	}