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113 lines
5.1 KiB
113 lines
5.1 KiB
2 years ago
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// This header is private to the ProtobolBuffers library and must NOT be
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// included by any sources outside this library. The contents of this file are
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// subject to change at any time without notice.
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#import "GPBCodedInputStream.h"
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@class GPBUnknownFieldSet;
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@class GPBFieldDescriptor;
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typedef struct GPBCodedInputStreamState {
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const uint8_t *bytes;
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size_t bufferSize;
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size_t bufferPos;
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// For parsing subsections of an input stream you can put a hard limit on
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// how much should be read. Normally the limit is the end of the stream,
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// but you can adjust it to anywhere, and if you hit it you will be at the
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// end of the stream, until you adjust the limit.
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size_t currentLimit;
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int32_t lastTag;
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NSUInteger recursionDepth;
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} GPBCodedInputStreamState;
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@interface GPBCodedInputStream () {
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@package
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struct GPBCodedInputStreamState state_;
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NSData *buffer_;
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}
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// Group support is deprecated, so we hide this interface from users, but
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// support for older data.
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- (void)readGroup:(int32_t)fieldNumber
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message:(GPBMessage *)message
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extensionRegistry:(GPBExtensionRegistry *)extensionRegistry;
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// Reads a group field value from the stream and merges it into the given
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// UnknownFieldSet.
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- (void)readUnknownGroup:(int32_t)fieldNumber
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message:(GPBUnknownFieldSet *)message;
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// Reads a map entry.
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- (void)readMapEntry:(id)mapDictionary
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extensionRegistry:(GPBExtensionRegistry *)extensionRegistry
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field:(GPBFieldDescriptor *)field
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parentMessage:(GPBMessage *)parentMessage;
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@end
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CF_EXTERN_C_BEGIN
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int32_t GPBCodedInputStreamReadTag(GPBCodedInputStreamState *state);
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double GPBCodedInputStreamReadDouble(GPBCodedInputStreamState *state);
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float GPBCodedInputStreamReadFloat(GPBCodedInputStreamState *state);
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uint64_t GPBCodedInputStreamReadUInt64(GPBCodedInputStreamState *state);
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uint32_t GPBCodedInputStreamReadUInt32(GPBCodedInputStreamState *state);
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int64_t GPBCodedInputStreamReadInt64(GPBCodedInputStreamState *state);
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int32_t GPBCodedInputStreamReadInt32(GPBCodedInputStreamState *state);
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uint64_t GPBCodedInputStreamReadFixed64(GPBCodedInputStreamState *state);
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uint32_t GPBCodedInputStreamReadFixed32(GPBCodedInputStreamState *state);
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int32_t GPBCodedInputStreamReadEnum(GPBCodedInputStreamState *state);
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int32_t GPBCodedInputStreamReadSFixed32(GPBCodedInputStreamState *state);
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int64_t GPBCodedInputStreamReadSFixed64(GPBCodedInputStreamState *state);
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int32_t GPBCodedInputStreamReadSInt32(GPBCodedInputStreamState *state);
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int64_t GPBCodedInputStreamReadSInt64(GPBCodedInputStreamState *state);
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BOOL GPBCodedInputStreamReadBool(GPBCodedInputStreamState *state);
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NSString *GPBCodedInputStreamReadRetainedString(GPBCodedInputStreamState *state)
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__attribute((ns_returns_retained));
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NSData *GPBCodedInputStreamReadRetainedBytes(GPBCodedInputStreamState *state)
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__attribute((ns_returns_retained));
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NSData *GPBCodedInputStreamReadRetainedBytesNoCopy(
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GPBCodedInputStreamState *state) __attribute((ns_returns_retained));
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size_t GPBCodedInputStreamPushLimit(GPBCodedInputStreamState *state,
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size_t byteLimit);
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void GPBCodedInputStreamPopLimit(GPBCodedInputStreamState *state,
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size_t oldLimit);
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size_t GPBCodedInputStreamBytesUntilLimit(GPBCodedInputStreamState *state);
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BOOL GPBCodedInputStreamIsAtEnd(GPBCodedInputStreamState *state);
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void GPBCodedInputStreamCheckLastTagWas(GPBCodedInputStreamState *state,
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int32_t value);
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CF_EXTERN_C_END
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