GRPC Core  9.0.0
bin_decoder.h
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1 /*
2  *
3  * Copyright 2016 gRPC authors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 #ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_DECODER_H
20 #define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_DECODER_H
21 
23 
24 #include <grpc/slice.h>
25 #include <stdbool.h>
26 
28  /* input/output: */
29  const uint8_t* input_cur;
30  const uint8_t* input_end;
31  uint8_t* output_cur;
32  uint8_t* output_end;
33  /* Indicate if the decoder should handle the tail of input data*/
35 };
36 
37 /* base64 decode a grpc_base64_decode_context util either input_end is reached
38  or output_end is reached. When input_end is reached, (input_end - input_cur)
39  is less than 4. When output_end is reached, (output_end - output_cur) is less
40  than 3. Returns false if decoding is failed. */
42 
43 /* base64 decode a slice with pad chars. Returns a new slice, does not take
44  ownership of the input. Returns an empty slice if decoding is failed. */
46 
47 /* base64 decode a slice without pad chars, data length is needed. Returns a new
48  slice, does not take ownership of the input. Returns an empty slice if
49  decoding is failed. */
51  size_t output_length);
52 
53 /* Infer the length of decoded data from encoded data. */
55 
56 #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_DECODER_H */
grpc_slice grpc_chttp2_base64_decode_with_length(const grpc_slice &input, size_t output_length)
Definition: bin_decoder.cc:205
grpc_slice grpc_chttp2_base64_decode(const grpc_slice &input)
Definition: bin_decoder.cc:161
size_t grpc_chttp2_base64_infer_length_after_decode(const grpc_slice &slice)
Definition: bin_decoder.cc:83
bool grpc_base64_decode_partial(struct grpc_base64_decode_context *ctx)
Definition: bin_decoder.cc:106
Definition: bin_decoder.h:27
const uint8_t * input_end
Definition: bin_decoder.h:30
const uint8_t * input_cur
Definition: bin_decoder.h:29
uint8_t * output_cur
Definition: bin_decoder.h:31
bool contains_tail
Definition: bin_decoder.h:34
uint8_t * output_end
Definition: bin_decoder.h:32
A grpc_slice s, if initialized, represents the byte range s.bytes[0..s.length-1].
Definition: slice.h:60