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_string_sum_methods.h
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1/*
2 * Copyright (c) 2003
3 * Francois Dumont
4 *
5 * This material is provided "as is", with absolutely no warranty expressed
6 * or implied. Any use is at your own risk.
7 *
8 * Permission to use or copy this software for any purpose is hereby granted
9 * without fee, provided the above notices are retained on all copies.
10 * Permission to modify the code and to distribute modified code is granted,
11 * provided the above notices are retained, and a notice that the code was
12 * modified is included with the above copyright notice.
13 *
14 */
15
16/*
17 * All the necessary methods used for template expressions with basic_string
18 * This file do not have to be macro guarded as it is only used in the _string.h
19 * file and it is a part of the basic_string definition.
20 */
21
22 template <class _Left, class _Right, class _StorageDir>
24 : _M_non_dbg_impl(_Reserve_t(), __s.size(), __s.get_allocator()),
25 _M_iter_list(&_M_non_dbg_impl)
26 { _M_append_sum(__s, _M_non_dbg_impl); }
27
28 template <class _Left, class _Right, class _StorageDir>
30 size_type __pos, size_type __n = npos,
31 const allocator_type& __a = allocator_type())
32 : _M_non_dbg_impl(_Reserve_t(), (__pos <= __s.size()) ? ((min) (__n, __s.size() - __pos)) : 0, __a),
33 _M_iter_list(&_M_non_dbg_impl) {
34 size_type __size = __s.size();
35 if (__pos > __size)
36 //This call will generate the necessary out of range exception:
37 _M_non_dbg_impl.at(0);
38 else
39 _M_append_sum_pos(__s, __pos, (min) (__n, __size - __pos), _M_non_dbg_impl);
40 }
41
42private:
44 { return __str += __c.getValue(); }
45 _Base& _M_append_fast(_CharT const* __s, size_type __s_size, _Base &__str)
46 { return __str.append(__s, __s_size); }
47 _Base& _M_append_fast(_STLP_PRIV __cstr_wrapper<_CharT> const& __s, _Base &__str)
48 { return _M_append_fast(__s.c_str(), __s.size(), __str); }
50 { return _M_append_fast(__s.b_str(), __str); }
51 _Base& _M_append_fast(_Self const& __s, _Base &__str)
52 { return _M_append_fast(__s.data(), __s.size(), __str); }
54 { return __str; }
55 template <class _Left, class _Right, class _StorageDir>
57 { return _M_append_fast(__s.getRhs(), _M_append_fast(__s.getLhs(), __str)); }
58
59 _Base& _M_append_fast_pos(_STLP_PRIV __char_wrapper<_CharT> __c, _Base &__str, size_type /*__pos*/, size_type __n) {
60 if (__n == 0)
61 return __str;
62 return __str += __c.getValue();
63 }
64 _Base& _M_append_fast_pos(_CharT const* __s, size_type __s_size, _Base &__str,
65 size_type __pos, size_type __n)
66 { return __str.append(__s + __pos, __s + __pos + (min)(__n, __s_size - __pos)); }
67 _Base& _M_append_fast_pos(_STLP_PRIV __cstr_wrapper<_CharT> const& __s, _Base &__str,
68 size_type __pos, size_type __n)
69 { return _M_append_fast_pos(__s.c_str(), __s.size(), __str, __pos, __n); }
71 size_type __pos, size_type __n)
72 { return _M_append_fast_pos(__s.b_str(), __str, __pos, __n); }
73 _Base& _M_append_fast_pos(_Self const& __s, _Base &__str, size_type __pos, size_type __n)
74 { return _M_append_fast_pos(__s.data(), __s.size(), __str, __pos, __n); }
76 size_type /*__pos*/, size_type /*__n*/)
77 { return __str; }
78
79 template <class _Left, class _Right, class _StorageDir>
81 _Base &__str, size_type __pos, size_type __n) {
82 if (__n == 0) {
83 return __str;
84 }
85 size_type __lhs_size = __s.getLhs().size();
86 if (__pos < __lhs_size) {
87 if (__n < (__lhs_size - __pos)) {
88 return _M_append_fast_pos(__s.getLhs(), __str, __pos, __n);
89 } else {
90 return _M_append_fast_pos(__s.getRhs(), _M_append_fast_pos(__s.getLhs(), __str, __pos, __n),
91 0, __n - (__lhs_size - __pos));
92 }
93 } else {
94 return _M_append_fast_pos(__s.getRhs(), __str, __pos - __lhs_size, __n);
95 }
96 }
97
98 template <class _Left, class _Right, class _StorageDir>
100 _Base &__impl) {
101 _M_append_fast(__s, __impl);
102 return *this;
103 }
104
105 template <class _Left, class _Right, class _StorageDir>
107 size_type __pos, size_type __n, _Base &__impl) {
108 _M_non_dbg_impl.reserve(_M_non_dbg_impl.size() + (min) (__s.size() - __pos, __n));
109 _M_append_fast_pos(__s, __impl, __pos, __n);
110 return *this;
111 }
return __n
Definition: _algo.h:75
#define _STLP_PRIV
Definition: _dm.h:70
static const size_t npos
Definition: _string_npos.h:26
_Self & _M_append_sum(_STLP_PRIV __bstr_sum< _CharT, _Traits, _Alloc, _Left, _Right, _StorageDir > const &__s)
_CharT * _M_append_fast_pos(_STLP_PRIV __char_wrapper< _CharT > __c, _CharT *__buf, size_type, size_type __n)
_CharT * _M_append_fast(_STLP_PRIV __char_wrapper< _CharT > __c, _CharT *__buf)
_Self & _M_append_sum_pos(_STLP_PRIV __bstr_sum< _CharT, _Traits, _Alloc, _Left, _Right, _StorageDir > const &__s, size_type __pos, size_type __n)
GLsizeiptr size
Definition: glext.h:5919
#define min(a, b)
Definition: monoChain.cc:55
#define __c
Definition: schilyio.h:209