1 /*
2 * Copyright (c) 2009-2022, Google LLC
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Google LLC nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #ifndef UPB_REFLECTION_DESC_STATE_INTERNAL_H_
29 #define UPB_REFLECTION_DESC_STATE_INTERNAL_H_
30
31 #include "upb/mem/arena.h"
32 #include "upb/mini_table/encode_internal.h"
33
34 // Must be last.
35 #include "upb/port/def.inc"
36
37 // Manages the storage for mini descriptor strings as they are being encoded.
38 // TODO(b/234740652): Move some of this state directly into the encoder, maybe.
39 typedef struct {
40 upb_MtDataEncoder e;
41 size_t bufsize;
42 char* buf;
43 char* ptr;
44 } upb_DescState;
45
46 #ifdef __cplusplus
47 extern "C" {
48 #endif
49
_upb_DescState_Init(upb_DescState * d)50 UPB_INLINE void _upb_DescState_Init(upb_DescState* d) {
51 d->bufsize = kUpb_MtDataEncoder_MinSize * 2;
52 d->buf = NULL;
53 d->ptr = NULL;
54 }
55
56 bool _upb_DescState_Grow(upb_DescState* d, upb_Arena* a);
57
58 #ifdef __cplusplus
59 } /* extern "C" */
60 #endif
61
62 #include "upb/port/undef.inc"
63
64 #endif /* UPB_REFLECTION_DESC_STATE_INTERNAL_H_ */
65