blob: e0099d580ed6918b8db6be0068fc0950018aabaa (
plain)
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
|
#ifndef RAPIDJSON_FILESTREAM_H_
#define RAPIDJSON_FILESTREAM_H_
#include "rapidjson.h"
#include <cstdio>
namespace rapidjson {
//! (Depreciated) Wrapper of C file stream for input or output.
/*!
This simple wrapper does not check the validity of the stream.
\note implements Stream concept
\deprecated { This was only for basic testing in version 0.1, it is found that the performance is very low by using fgetc(). Use FileReadStream instead. }
*/
class FileStream {
public:
typedef char Ch; //!< Character type. Only support char.
FileStream(FILE* fp) : fp_(fp), count_(0) { Read(); }
char Peek() const { return current_; }
char Take() { char c = current_; Read(); return c; }
size_t Tell() const { return count_; }
void Put(char c) { fputc(c, fp_); }
void Flush() { fflush(fp_); }
// Not implemented
char* PutBegin() { return 0; }
size_t PutEnd(char*) { return 0; }
private:
void Read() {
RAPIDJSON_ASSERT(fp_ != 0);
int c = fgetc(fp_);
if (c != EOF) {
current_ = (char)c;
count_++;
}
else if (current_ != '\0')
current_ = '\0';
}
FILE* fp_;
char current_;
size_t count_;
};
} // namespace rapidjson
#endif // RAPIDJSON_FILESTREAM_H_
|
