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1 | #ifndef BOOST_ARCHIVE_DINKUMWARE_HPP |
2 | #define BOOST_ARCHIVE_DINKUMWARE_HPP | |
3 | ||
4 | // MS compatible compilers support #pragma once | |
5 | #if defined(_MSC_VER) | |
6 | # pragma once | |
7 | #endif | |
8 | ||
9 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
10 | // dinkumware.hpp: | |
11 | ||
12 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . | |
13 | // Use, modification and distribution is subject to the Boost Software | |
14 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
15 | // http://www.boost.org/LICENSE_1_0.txt) | |
16 | ||
17 | // See http://www.boost.org for updates, documentation, and revision history. | |
18 | ||
19 | // this file adds a couple of things that are missing from the dinkumware | |
20 | // implementation of the standard library. | |
21 | ||
22 | #include <iterator> | |
23 | #include <string> | |
24 | ||
25 | #include <boost/config.hpp> | |
26 | #include <boost/cstdint.hpp> | |
27 | ||
28 | namespace std { | |
29 | ||
30 | // define i/o operators for 64 bit integers | |
31 | template<class CharType> | |
32 | basic_ostream<CharType> & | |
33 | operator<<(basic_ostream<CharType> & os, boost::uint64_t t){ | |
34 | // octal rendering of 64 bit number would be 22 octets + eos | |
35 | CharType d[23]; | |
36 | unsigned int radix; | |
37 | ||
38 | if(os.flags() & (int)std::ios_base::hex) | |
39 | radix = 16; | |
40 | else | |
41 | if(os.flags() & (int)std::ios_base::oct) | |
42 | radix = 8; | |
43 | else | |
44 | //if(s.flags() & (int)std::ios_base::dec) | |
45 | radix = 10; | |
46 | unsigned int i = 0; | |
47 | do{ | |
48 | unsigned int j = t % radix; | |
49 | d[i++] = j + ((j < 10) ? '0' : ('a' - 10)); | |
50 | t /= radix; | |
51 | } | |
52 | while(t > 0); | |
53 | d[i--] = '\0'; | |
54 | ||
55 | // reverse digits | |
56 | unsigned int j = 0; | |
57 | while(j < i){ | |
58 | CharType k = d[i]; | |
59 | d[i] = d[j]; | |
60 | d[j] = k; | |
61 | --i;++j; | |
62 | } | |
63 | os << d; | |
64 | return os; | |
65 | ||
66 | } | |
67 | ||
68 | template<class CharType> | |
69 | basic_ostream<CharType> & | |
70 | operator<<(basic_ostream<CharType> &os, boost::int64_t t){ | |
71 | if(0 <= t){ | |
72 | os << static_cast<boost::uint64_t>(t); | |
73 | } | |
74 | else{ | |
75 | os.put('-'); | |
76 | os << -t; | |
77 | } | |
78 | return os; | |
79 | } | |
80 | ||
81 | template<class CharType> | |
82 | basic_istream<CharType> & | |
83 | operator>>(basic_istream<CharType> &is, boost::int64_t & t){ | |
84 | CharType d; | |
85 | do{ | |
86 | d = is.get(); | |
87 | } | |
88 | while(::isspace(d)); | |
89 | bool negative = (d == '-'); | |
90 | if(negative) | |
91 | d = is.get(); | |
92 | unsigned int radix; | |
93 | if(is.flags() & (int)std::ios_base::hex) | |
94 | radix = 16; | |
95 | else | |
96 | if(is.flags() & (int)std::ios_base::oct) | |
97 | radix = 8; | |
98 | else | |
99 | //if(s.flags() & (int)std::ios_base::dec) | |
100 | radix = 10; | |
101 | t = 0; | |
102 | do{ | |
103 | if('0' <= d && d <= '9') | |
104 | t = t * radix + (d - '0'); | |
105 | else | |
106 | if('a' <= d && d <= 'f') | |
107 | t = t * radix + (d - 'a' + 10); | |
108 | else | |
109 | break; | |
110 | d = is.get(); | |
111 | } | |
112 | while(!is.fail()); | |
113 | // restore the delimiter | |
114 | is.putback(d); | |
115 | is.clear(); | |
116 | if(negative) | |
117 | t = -t; | |
118 | return is; | |
119 | } | |
120 | ||
121 | template<class CharType> | |
122 | basic_istream<CharType> & | |
123 | operator>>(basic_istream<CharType> &is, boost::uint64_t & t){ | |
124 | boost::int64_t it; | |
125 | is >> it; | |
126 | t = it; | |
127 | return is; | |
128 | } | |
129 | ||
130 | //#endif | |
131 | ||
132 | template<> | |
133 | class back_insert_iterator<basic_string<char> > : public | |
134 | iterator<output_iterator_tag, char> | |
135 | { | |
136 | public: | |
137 | typedef basic_string<char> container_type; | |
138 | typedef container_type::reference reference; | |
139 | ||
140 | explicit back_insert_iterator(container_type & s) | |
141 | : container(& s) | |
142 | {} // construct with container | |
143 | ||
144 | back_insert_iterator<container_type> & operator=( | |
145 | container_type::const_reference Val_ | |
146 | ){ // push value into container | |
147 | //container->push_back(Val_); | |
148 | *container += Val_; | |
149 | return (*this); | |
150 | } | |
151 | ||
152 | back_insert_iterator<container_type> & operator*(){ | |
153 | return (*this); | |
154 | } | |
155 | ||
156 | back_insert_iterator<container_type> & operator++(){ | |
157 | // pretend to preincrement | |
158 | return (*this); | |
159 | } | |
160 | ||
161 | back_insert_iterator<container_type> operator++(int){ | |
162 | // pretend to postincrement | |
163 | return (*this); | |
164 | } | |
165 | ||
166 | protected: | |
167 | container_type *container; // pointer to container | |
168 | }; | |
169 | ||
170 | template<char> | |
171 | inline back_insert_iterator<basic_string<char> > back_inserter( | |
172 | basic_string<char> & s | |
173 | ){ | |
174 | return (std::back_insert_iterator<basic_string<char> >(s)); | |
175 | } | |
176 | ||
177 | template<> | |
178 | class back_insert_iterator<basic_string<wchar_t> > : public | |
179 | iterator<output_iterator_tag, wchar_t> | |
180 | { | |
181 | public: | |
182 | typedef basic_string<wchar_t> container_type; | |
183 | typedef container_type::reference reference; | |
184 | ||
185 | explicit back_insert_iterator(container_type & s) | |
186 | : container(& s) | |
187 | {} // construct with container | |
188 | ||
189 | back_insert_iterator<container_type> & operator=( | |
190 | container_type::const_reference Val_ | |
191 | ){ // push value into container | |
192 | //container->push_back(Val_); | |
193 | *container += Val_; | |
194 | return (*this); | |
195 | } | |
196 | ||
197 | back_insert_iterator<container_type> & operator*(){ | |
198 | return (*this); | |
199 | } | |
200 | ||
201 | back_insert_iterator<container_type> & operator++(){ | |
202 | // pretend to preincrement | |
203 | return (*this); | |
204 | } | |
205 | ||
206 | back_insert_iterator<container_type> operator++(int){ | |
207 | // pretend to postincrement | |
208 | return (*this); | |
209 | } | |
210 | ||
211 | protected: | |
212 | container_type *container; // pointer to container | |
213 | }; | |
214 | ||
215 | template<wchar_t> | |
216 | inline back_insert_iterator<basic_string<wchar_t> > back_inserter( | |
217 | basic_string<wchar_t> & s | |
218 | ){ | |
219 | return (std::back_insert_iterator<basic_string<wchar_t> >(s)); | |
220 | } | |
221 | ||
222 | } // namespace std | |
223 | ||
224 | #endif //BOOST_ARCHIVE_DINKUMWARE_HPP |