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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/ReactCommon/react/renderer/core
Просмотр файла: PropsMacros.h
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <react/renderer/core/RawPropsPrimitives.h>
#include <react/utils/fnv1a.h>
#include <functional>
// We need to use clang pragmas inside of a macro below,
// so we need to pull out the "if" statement here.
#if __clang__
#define CLANG_PRAGMA(s) _Pragma(s)
#else
#define CLANG_PRAGMA(s)
#endif
// Get hash at compile-time. sizeof(str) - 1 == strlen
#define CONSTEXPR_RAW_PROPS_KEY_HASH(s) \
([]() constexpr -> RawPropsPropNameHash { \
CLANG_PRAGMA("clang diagnostic push") \
CLANG_PRAGMA("clang diagnostic ignored \"-Wshadow\"") \
return RAW_PROPS_KEY_HASH(s); \
CLANG_PRAGMA("clang diagnostic pop") \
}())
#define RAW_PROPS_KEY_HASH(s) facebook::react::fnv1a(s)
// Convenience for building setProps switch statements.
// This injects `fromRawValue` into source; each file that uses
// this macro must import the proper, respective headers required.
#define RAW_SET_PROP_SWITCH_CASE(field, jsPropName) \
case CONSTEXPR_RAW_PROPS_KEY_HASH(jsPropName): \
fromRawValue(context, value, field, defaults.field); \
return;
// Convenience for building setProps switch statements where the field name is
// the same as the string identifier
#define RAW_SET_PROP_SWITCH_CASE_BASIC(field) \
RAW_SET_PROP_SWITCH_CASE(field, #field)
#define CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, field, fieldNameString, value) \
case CONSTEXPR_RAW_PROPS_KEY_HASH(fieldNameString): { \
if (!value.hasValue()) { \
decltype(struct) defaultValues{}; \
struct.field = defaultValues.field; \
return; \
} \
fromRawValue(context, value, struct.field); \
return; \
}
#define SET_CASCADED_RECTANGLE_CORNERS(struct, prefix, suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, topLeft, prefix "TopLeft" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, topRight, prefix "TopRight" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, bottomLeft, prefix "BottomLeft" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, bottomRight, prefix "BottomRight" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, topStart, prefix "TopStart" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, topEnd, prefix "TopEnd" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, bottomStart, prefix "BottomStart" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, bottomEnd, prefix "BottomEnd" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, all, prefix "" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, endEnd, prefix "EndEnd" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, endStart, prefix "EndStart" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, startEnd, prefix "StartEnd" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, startStart, prefix "StartStart" suffix, rawValue)
#define SET_CASCADED_RECTANGLE_EDGES(struct, prefix, suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, left, prefix "Left" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, right, prefix "Right" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, top, prefix "Top" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, bottom, prefix "Bottom" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, start, prefix "Start" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, end, prefix "End" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, horizontal, prefix "Horizontal" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, vertical, prefix "Vertical" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, all, prefix "" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, block, prefix "Block" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, blockEnd, prefix "BlockEnd" suffix, rawValue) \
CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
struct, blockStart, prefix "BlockStart" suffix, rawValue)
// Rebuild a type that contains multiple fields from a single field value
#define REBUILD_FIELD_SWITCH_CASE( \
defaults, rawValue, property, field, fieldName) \
case CONSTEXPR_RAW_PROPS_KEY_HASH(fieldName): { \
if ((rawValue).hasValue()) [[likely]] { \
try { \
fromRawValue(context, rawValue, (property).field); \
} catch (const std::exception& e) { \
LOG(ERROR) << "Error while converting prop '" << fieldName \
<< "': " << e.what(); \
(property).field = (defaults).field; \
} \
} else { \
(property).field = (defaults).field; \
} \
return; \
}
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