Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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/*
* Copyright (c) 2009-2021, Google LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Google LLC nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "upb/reflection/def_builder_internal.h"
#include "upb/reflection/extension_range_internal.h"
#include "upb/reflection/field_def.h"
#include "upb/reflection/message_def.h"
// Must be last.
#include "upb/port/def.inc"
struct upb_ExtensionRange {
const UPB_DESC(ExtensionRangeOptions) * opts;
int32_t start;
int32_t end;
};
upb_ExtensionRange* _upb_ExtensionRange_At(const upb_ExtensionRange* r, int i) {
return (upb_ExtensionRange*)&r[i];
}
const UPB_DESC(ExtensionRangeOptions) *
upb_ExtensionRange_Options(const upb_ExtensionRange* r) {
return r->opts;
}
bool upb_ExtensionRange_HasOptions(const upb_ExtensionRange* r) {
return r->opts != (void*)kUpbDefOptDefault;
}
int32_t upb_ExtensionRange_Start(const upb_ExtensionRange* r) {
return r->start;
}
int32_t upb_ExtensionRange_End(const upb_ExtensionRange* r) { return r->end; }
upb_ExtensionRange* _upb_ExtensionRanges_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(DescriptorProto_ExtensionRange) * const* protos,
const upb_MessageDef* m) {
upb_ExtensionRange* r =
_upb_DefBuilder_Alloc(ctx, sizeof(upb_ExtensionRange) * n);
for (int i = 0; i < n; i++) {
const int32_t start =
UPB_DESC(DescriptorProto_ExtensionRange_start)(protos[i]);
const int32_t end = UPB_DESC(DescriptorProto_ExtensionRange_end)(protos[i]);
const int32_t max = UPB_DESC(MessageOptions_message_set_wire_format)(
upb_MessageDef_Options(m))
? INT32_MAX
: kUpb_MaxFieldNumber + 1;
// A full validation would also check that each range is disjoint, and that
// none of the fields overlap with the extension ranges, but we are just
// sanity checking here.
if (start < 1 || end <= start || end > max) {
_upb_DefBuilder_Errf(ctx,
"Extension range (%d, %d) is invalid, message=%s\n",
(int)start, (int)end, upb_MessageDef_FullName(m));
}
r[i].start = start;
r[i].end = end;
UPB_DEF_SET_OPTIONS(r[i].opts, DescriptorProto_ExtensionRange,
ExtensionRangeOptions, protos[i]);
}
return r;
}