ViewVC Help

View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing

root/repos/Represent/Binary.cpp

Comparing:
Represent/represent.cpp (file contents), Revision 369 by douglas, 2004-12-21T03:32:17-08:00 vs.
Represent/Binary.cpp (file contents), Revision 370 by douglas, 2004-12-21T22:04:06-08:00

#	Line 4 | Line 4
4		//
5		// $Id$
6
7	<	#include <iostream>
8	<	#include <string>
9	<	#include <vector>
7	>	#include "Binary.hpp"
8
9	<	#include <foreach.hpp>
12	<
13	<	class Binary
14	<	{
15	<	private:
16	<	std::vector<char> bytes;
17	<	public:
18	<	Binary(std::string& string, bool signed_ = false);
19	<	template <typename Type>
20	<	Binary(const Type& type);
21	<	template <typename Type>
22	<	Type convert(bool signed_ = false);
23	<	operator std::string() const;
24	<	};
25	<
26	<	Binary::Binary(std::string& string, bool signed_) : bytes(string.size() / 8, 0)
9	>	Binary::Binary(const ext::String& string, bool signed_) : bytes(string.GetSize() / 8, 0)
10		{
11	<	if (string.find_first_not_of("01") != std::string::npos) throw;
29	<
30	<	std::string::size_type off(string.size() % 8);
31	<
32	<	if (off != 0)
11	>	if (string.IsEmpty())
12		{
13	<	bytes.push_back(0);
35	<	string.insert(0, 8 - off, signed_ && string[0] == '1' ? '1' : '0');
36	<	}
37	<
38	<	std::string::size_type index(0);
39	<
40	<	_rmforeach (std::vector<char>, byte, bytes) _rfor (char, bit, 0, 8) *byte |= (string[index++] == '1') << bit;
41	<	}
13	>	bytes.InsertLast(0);
14
15	<	template <typename Type>
16	<	Binary::Binary(const Type& type) : bytes(sizeof (type))
17	<	{
46	<	char* type_(reinterpret_cast<char*>(const_cast<Type*>(&type)));
15	>	return;
16	>	}
17	>	//              string.insert(0, 8 - off, signed_ && string[0] == '1' ? '1' : '0');
18
19	<	_mforeach (std::vector<char>, byte, bytes) *byte = *type_++;
49	<	}
19	>	size_t index(string.GetSize() % 8), offset(index);
20
21	<	template <typename Type>
52	<	Type Binary::convert(bool signed_)
53	<	{
54	<	Type type;
21	>	_rmforeach (ext::Vector<byte_t>, byte, bytes) _rfor (byte_t, bit, 0, 8) *byte |= (string[index++] == '1') << bit;
22
23	<	if (sizeof (type) != bytes.size()) bytes.resize(sizeof (type), signed_ && bytes.back() >> 7 ? ~0 : 0);
23	>	if (offset != 0)
24	>	{
25	>	bytes.InsertLast(0);
26
27	<	char* type_(reinterpret_cast<char*>(&type));
27	>	_rfor (byte_t, bit, offset, 8) bytes.Last() |= (signed_ && string[0] == '1') << bit;
28
29	<	_foreach (std::vector<char>, byte, bytes) *type_++ = *byte;
29	>	index = 0;
30
31	<	return type;
31	>	_rfor (byte_t, bit, 0, offset) bytes.Last() |= (string[index++] == '1') << bit;
32	>	}
33		}
34
35	<	Binary::operator std::string() const
35	>	Binary::operator ext::String() const
36		{
37	<	std::string string;
37	>	ext::String string;
38
39	<	_rforeach (std::vector<char>, byte, bytes) _rfor (char, bit, 0, 8) string +=1 & *byte >> bit ? '1' : '0';
39	>	_rforeach (ext::Vector<byte_t>, byte, bytes) _rfor (byte_t, bit, 0, 8) string.InsertLast(1 & *byte >> bit ? '1' : '0');
40
41		return string;
42		}
73	–
74	–	inline std::ostream& operator<<(std::ostream& out, const Binary& binary)
75	–	{
76	–	return out << std::string(binary);
77	–	}
78	–
79	–	int main(int argc, char* argv[])
80	–	{
81	–	std::string hello("Hello, World!");
82	–
83	–	_foreach (std::string, atom, hello) std::cout << Binary(*atom) << " = " << *atom << std::endl;
84	–
85	–	_fori (index, -10, 11) std::cout << Binary(index) << " = " << index << std::endl;
86	–
87	–	_foru (index, -10, 11) std::cout << Binary(index) << " = " << index << std::endl;
88	–
89	–	for (float index(-1.0); index < 1.0; index += 0.1) std::cout << Binary(index) << " = " << index << std::endl;
90	–
91	–	for (double index(-1.0); index < 1.0; index += 0.1) std::cout << Binary(index) << " = " << index << std::endl;
92	–
93	–	std::string string("101001101001");
94	–	Binary binary(string, true);
95	–
96	–	std::cout << binary << " = " << string << std::endl;
97	–
98	–	float value(binary.convert<float>());
99	–
100	–	std::cout << binary << " = " << value << std::endl << Binary(value) << " = " << value << std::endl;
101	–
102	–	return 0;
103	–	}

Comparing:
Represent/represent.cpp (property svn:eol-style), Revision 369 by douglas, 2004-12-21T03:32:17-08:00 vs.
Represent/Binary.cpp (property svn:eol-style), Revision 370 by douglas, 2004-12-21T22:04:06-08:00

#	Line 0 | Line 1
1	+	native

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines