1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/* $Id$ */
/** @file str.hpp String formating? */
#ifndef STR_HPP
#define STR_HPP
#include <errno.h>
#include <stdarg.h>
#include "strapi.hpp"
/** Blob based string. */
template <typename Tchar, bool TcaseInsensitive>
struct CStrT : public CBlobT<Tchar>
{
typedef CBlobT<Tchar> base; ///< base class
typedef CStrApiT<Tchar, TcaseInsensitive> Api; ///< string API abstraction layer
typedef typename base::bsize_t bsize_t; ///< size type inherited from blob
typedef typename base::OnTransfer OnTransfer; ///< temporary 'transfer ownership' object type
/** Construction from C zero ended string. */
FORCEINLINE CStrT(const Tchar* str = NULL)
{
AppendStr(str);
}
/** Construction from C string and given number of characters. */
FORCEINLINE CStrT(const Tchar* str, bsize_t num_chars) : base(str, num_chars)
{
base::FixTail();
}
/** Construction from C string determined by 'begin' and 'end' pointers. */
FORCEINLINE CStrT(const Tchar* str, const Tchar* end)
: base(str, end - str)
{
base::FixTail();
}
/** Construction from blob contents. */
FORCEINLINE CStrT(const CBlobBaseSimple& src)
: base(src)
{
base::FixTail();
}
/** Copy constructor. */
FORCEINLINE CStrT(const CStrT& src)
: base(src)
{
base::FixTail();
}
/** Take over ownership constructor */
FORCEINLINE CStrT(const OnTransfer& ot)
: base(ot)
{
}
/** Grow the actual buffer and fix the trailing zero at the end. */
FORCEINLINE Tchar* GrowSizeNC(bsize_t count)
{
Tchar* ret = base::GrowSizeNC(count);
base::FixTail();
return ret;
}
/** Append zero-ended C string. */
FORCEINLINE void AppendStr(const Tchar* str)
{
if (str != NULL && str[0] != '\0') {
base::Append(str, (bsize_t)Api::StrLen(str));
base::FixTail();
}
}
/** Append another CStrT or blob. */
FORCEINLINE void Append(const CBlobBaseSimple& src)
{
if (src.RawSize() > 0) {
base::AppendRaw(src);
base::FixTail();
}
}
/** Assignment from C string. */
FORCEINLINE CStrT& operator = (const Tchar* src)
{
base::Clear();
AppendStr(src);
return *this;
}
/** Assignment from another CStrT or blob. */
FORCEINLINE CStrT& operator = (const CBlobBaseSimple& src)
{
base::Clear();
base::AppendRaw(src);
base::FixTail();
return *this;
}
/** Assignment from another CStrT or blob. */
FORCEINLINE CStrT& operator = (const CStrT& src)
{
base::Clear();
base::AppendRaw(src);
base::FixTail();
return *this;
}
/** Lower-than operator (to support stl collections) */
FORCEINLINE bool operator < (const CStrT &other) const
{
return (Api::StrCmp(base::Data(), other.Data()) < 0);
}
/** Add formated string (like vsprintf) at the end of existing contents. */
int AddFormatL(const Tchar *format, va_list args)
{
bsize_t addSize = Api::StrLen(format);
if (addSize < 16) addSize = 16;
addSize += addSize / 2;
int ret;
int err = 0;
for (;;) {
Tchar *buf = MakeFreeSpace(addSize);
ret = Api::SPrintFL(buf, base::GetReserve(), format, args);
if (ret >= base::GetReserve()) {
/* Greater return than given count means needed buffer size. */
addSize = ret + 1;
continue;
}
if (ret >= 0) {
/* success */
break;
}
err = errno;
if (err != ERANGE && err != ENOENT && err != 0) {
/* some strange failure */
break;
}
/* small buffer (M$ implementation) */
addSize *= 2;
}
if (ret > 0) {
GrowSizeNC(ret);
} else {
base::FixTail();
}
return ret;
}
/** Add formated string (like sprintf) at the end of existing contents. */
int AddFormat(const Tchar *format, ...)
{
va_list args;
va_start(args, format);
int ret = AddFormatL(format, args);
va_end(args);
return ret;
}
/** Assign formated string (like vsprintf). */
int FormatL(const Tchar *format, va_list args)
{
base::Free();
int ret = AddFormatL(format, args);
return ret;
}
/** Assign formated string (like sprintf). */
int Format(const Tchar *format, ...)
{
base::Free();
va_list args;
va_start(args, format);
int ret = AddFormatL(format, args);
va_end(args);
return ret;
}
};
typedef CStrT<char , false> CStrA; ///< Case sensitive ANSI/UTF-8 string
typedef CStrT<char , true > CStrCiA; ///< Case insensitive ANSI/UTF-8 string
#if defined(HAS_WCHAR)
typedef CStrT<wchar_t, false> CStrW; ///< Case sensitive unicode string
typedef CStrT<wchar_t, true > CStrCiW; ///< Case insensitive unicode string
#endif /* HAS_WCHAR */
#endif /* STR_HPP */
|
