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
192
193
194
195
196
197
198
199
200
201
202
|
#ifndef oo_ObjType_H__
#define oo_ObjType_H__
#include "../Self.h"
#include "ObjBase.h"
#include <cstdlib>
#include <cstdio>
namespace meow {
/*!
* @brief 純粹把給定的 \c Type 包起來, 變成繼承自 ObjBase
*
* @author cathook
*/
template<class Type, class ReaderWriter>
class ObjType: public ObjBase {
private:
struct Myself {
Type data_;
Myself() {
}
~Myself() {
}
Myself copyFrom(Myself const& b) {
data_ = b.data_;
}
};
Self<data_> const self;
public:
//! @brief constructor
ObjType(): self(true) {
}
//! @brief constructor, 並且copy資料
ObjType(ObjType const& a): self(false) {
self().copyFrom(a.self);
}
//! @brief constructor, 並且給值
ObyType(Type const& t): self(true) {
self().data_ = t;
}
~ObjType() {
}
ObjType& copyFrom(ObjType const& a) {
self().copyFrom(a.self);
return *this;
}
ObjType& referenceFrom(ObjType const& a) {
self().referenceFrom(a.self);
return *this;
}
Type const& access() const {
return self->data_;
}
Type& modify() {
return self()->data_;
}
ObjType& operator=(ObjType const& a) {
return copyFrom(a);
}
Type const& operator()() const {
return access();
}
Type& operator()() {
return modify();
}
bool write(FILE* f, bool bin, unsigned int fg) const {
return ReaderWriter::write(f, bin, fg, self->data_);
}
bool read(FILE* f, bool bin, unsigned int fg) {
return ReaderWriter::read(f, bin, fg, &(self()->data_));
}
ObjBase* create() const {
return new ObjType();
}
ObjBase* copyFrom(ObjBase const* b) {
return &(copyFrom(&(ObjType const*)b));
}
char const* ctype() const {
static char const* ptr = typeid(*this).name();
return ptr;
}
std::string type() const {
return std::string(ctype());
}
};
class ReaderWriter_int {
public:
static bool write(FILE* f, bool bin, unsigned int fg, int const& k) {
if (bin) {
return (fwrite(&k, sizeof(k), 1, f) == 1);
}
else {
return (fprintf(f, "%d\n", k) == 1);
}
}
static bool read(FILE* f, bool bin, unsigned int fg, int* k) {
if (bin) {
return (fread(k, sizeof(k), 1, f) == 1);
}
else {
return (fscanf(f, "%d", k) == 1);
}
}
};
class ReaderWriter_size_t {
public:
static bool write(FILE* f, bool bin, unsigned int fg, size_t const& k) {
if (bin) {
return (fwrite(&k, sizeof(k), 1, f) == 1);
}
else {
return (fprintf(f, "%lu\n", k) == 1);
}
}
static bool read(FILE* f, bool bin, unsigned int fg, size_t* k) {
if (bin) {
return (fread(k, sizeof(k), 1, f) == 1);
}
else {
return (fscanf(f, "%lu", k) == 1);
}
}
};
class ReaderWriter_double {
public:
static bool write(FILE* f, bool bin, unsigned int fg, double const& k) {
if (bin) {
return (fwrite(&k, sizeof(k), 1, f) == 1);
}
else {
return (fprintf(f, "%.15f\n", k) == 1);
}
}
static bool read(FILE* f, bool bin, unsigned int fg, double* k) {
if (bin) {
return (fread(k, sizeof(k), 1, f) == 1);
}
else {
return (fscanf(f, "%lf", k) == 1);
}
}
};
class ReaderWriter_string {
public:
static bool write(FILE* f, bool bin, unsigned int fg, std::string const& k) {
size_t len = k.size();
char const* buf = k.c_str();
if (bin) {
if (fwrite(&len, sizeof(len) , 1, f) < 1) return false;
if (fwrite( buf, sizeof(char), len, f) < len) return false;
}
else {
if (fprintf(f, "%s\n", buf) < 1) return false;
}
return true;
}
static bool read(FILE* f, bool bin, unsigned int fg, std::string* k) {
size_t len;
char buf[2048];
if (bin) {
if (fread(&len, sizeof(len) , 1, f) < 1) return false;
if (fread( buf, sizeof(char), len, f) < len) return false;
buf[len] = '\0';
}
else {
if (fscanf(f, "%s", buf) < 1) return false;
}
(*k) = buf;
return true;
}
};
typedef ObjType<int , ReaderWriter_int > ObjInt;
typedef ObjType<size_t , ReaderWriter_size_t> ObjSizeT;
typedef ObjType<double , ReaderWriter_double> ObjDouble;
typedef ObjType<std::string, ReaderWriter_string> ObjString;
}
#endif // oo_ObjType_H__
|
