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/*
*
* Copyright 2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef GRPC_CORE_LIB_SLICE_PERCENT_ENCODING_H
#define GRPC_CORE_LIB_SLICE_PERCENT_ENCODING_H
/* Percent encoding and decoding of slices.
Transforms arbitrary strings into safe-for-transmission strings by using
variants of percent encoding (RFC 3986).
Two major variants are supplied: one that strictly matches URL encoding,
and another which applies percent encoding only to non-http2 header
bytes (the 'compatible' variant) */
#include <grpc/support/port_platform.h>
#include "src/core/lib/slice/slice.h"
namespace grpc_core {
enum class PercentEncodingType {
// Flags [A-Za-z0-9-_.~] as unreserved bytes for the percent encoding routines
URL,
// Flags ascii7 non-control characters excluding '%' as unreserved bytes for
// the percent encoding routines
Compatible
};
// Percent-encode a slice, returning the new slice (this cannot fail):
// unreserved_bytes is a bitfield indicating which bytes are considered
// unreserved and thus do not need percent encoding
Slice PercentEncodeSlice(Slice slice, PercentEncodingType type);
// Percent-decode a slice, permissively.
// If a % triplet can not be decoded, pass it through verbatim.
// This cannot fail.
Slice PermissivePercentDecodeSlice(Slice slice_in);
} // namespace grpc_core
#endif /* GRPC_CORE_LIB_SLICE_PERCENT_ENCODING_H */
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20 entries across 20 versions & 2 rubygems