blob: e57406eb8951a8d9543b2a19aa420c2c0953e490 (
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* upb - a minimalist implementation of protocol buffers.
*
* Copyright (c) 2009-2010 Google Inc. See LICENSE for details.
* Author: Josh Haberman <jhaberman@gmail.com>
*
* This file contains upb_bytesrc and upb_bytesink implementations for
* upb_string.
*/
#ifndef UPB_STRSTREAM_H
#define UPB_STRSTREAM_H
#include "upb_bytestream.h"
#ifdef __cplusplus
extern "C" {
#endif
/* upb_stringsrc **************************************************************/
struct _upb_stringsrc {
upb_bytesrc bytesrc;
const char *str;
size_t len;
};
typedef struct _upb_stringsrc upb_stringsrc;
// Create/free a stringsrc.
void upb_stringsrc_init(upb_stringsrc *s);
void upb_stringsrc_uninit(upb_stringsrc *s);
// Resets the stringsrc to a state where it will vend the given string. The
// stringsrc will take a reference on the string, so the caller need not ensure
// that it outlives the stringsrc. A stringsrc can be reset multiple times.
void upb_stringsrc_reset(upb_stringsrc *s, const char *str, size_t len);
// Returns the upb_bytesrc* for this stringsrc.
upb_bytesrc *upb_stringsrc_bytesrc(upb_stringsrc *s);
/* upb_stringsink *************************************************************/
struct _upb_stringsink {
upb_bytesink bytesink;
char *str;
size_t len, size;
};
typedef struct _upb_stringsink upb_stringsink;
// Create/free a stringsrc.
void upb_stringsink_init(upb_stringsink *s);
void upb_stringsink_uninit(upb_stringsink *s);
// Resets the sink's string to "str", which the sink takes ownership of.
// "str" may be NULL, which will make the sink allocate a new string.
void upb_stringsink_reset(upb_stringsink *s, char *str, size_t size);
// Releases ownership of the returned string (which is "len" bytes long) and
// resets the internal string to be empty again (as if reset were called with
// NULL).
const char *upb_stringsink_release(upb_stringsink *s, size_t *len);
// Returns the upb_bytesink* for this stringsrc. Invalidated by reset above.
upb_bytesink *upb_stringsink_bytesink();
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
|
