mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Ruslan Shestopalyuk
7de2b6b415
Summary: Support iterator-style PropParsing for AndroidTextInput Changelog: [Internal] Reviewed By: javache Differential Revision: D38833510 fbshipit-source-id: 4f424579a41e70fbe8c0eba430bd435dc60bfc04
109 lines
5.5 KiB
C++
109 lines
5.5 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <react/renderer/core/RawPropsPrimitives.h>
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// We need to use clang pragmas inside of a macro below,
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// so we need to pull out the "if" statement here.
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#if __clang__
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#define CLANG_PRAGMA(s) _Pragma(s)
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#else
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#define CLANG_PRAGMA(s)
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#endif
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// Get hash at compile-time. sizeof(str) - 1 == strlen
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#define CONSTEXPR_RAW_PROPS_KEY_HASH(s) \
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([]() constexpr->RawPropsPropNameHash { \
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CLANG_PRAGMA("clang diagnostic push") \
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CLANG_PRAGMA("clang diagnostic ignored \"-Wshadow\"") \
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return folly::hash::fnv32_buf(s, sizeof(s) - 1); \
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CLANG_PRAGMA("clang diagnostic pop") \
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}())
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#define RAW_PROPS_KEY_HASH(s) folly::hash::fnv32_buf(s, std::strlen(s))
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// Convenience for building setProps switch statements.
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// This injects `fromRawValue` into source; each file that uses
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// this macro must import the proper, respective headers required.
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#define RAW_SET_PROP_SWITCH_CASE(field, jsPropName, defaultValue) \
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case CONSTEXPR_RAW_PROPS_KEY_HASH(jsPropName): \
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fromRawValue(context, value, field, defaultValue); \
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return;
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// Convenience for building setProps switch statements where the field name is
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// the same as the string identifier
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#define RAW_SET_PROP_SWITCH_CASE_BASIC(field, defaultValue) \
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RAW_SET_PROP_SWITCH_CASE(field, #field, defaultValue)
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#define CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, field, fieldNameString, value) \
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case CONSTEXPR_RAW_PROPS_KEY_HASH(fieldNameString): { \
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if (!value.hasValue()) { \
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decltype(struct) defaultValues{}; \
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struct.field = defaultValues.field; \
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return; \
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} \
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fromRawValue(context, value, struct.field); \
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return; \
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}
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#define SET_CASCADED_RECTANGLE_CORNERS(struct, prefix, suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, topLeft, prefix "TopLeft" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, topRight, prefix "TopRight" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, bottomLeft, prefix "BottomLeft" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, bottomRight, prefix "BottomRight" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, topStart, prefix "TopStart" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, topEnd, prefix "TopEnd" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, bottomStart, prefix "BottomStart" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, bottomEnd, prefix "BottomEnd" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, all, prefix "" suffix, rawValue)
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#define SET_CASCADED_RECTANGLE_EDGES(struct, prefix, suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, left, prefix "Left" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, right, prefix "Right" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, top, prefix "Top" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, bottom, prefix "Bottom" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, start, prefix "Start" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, end, prefix "End" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, horizontal, prefix "Horizontal" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, vertical, prefix "Vertical" suffix, rawValue) \
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CASE_STATEMENT_SET_FIELD_VALUE_INDEXED( \
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struct, all, prefix "" suffix, rawValue)
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// Rebuild a type that contains multiple fields from a single field value
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#define REBUILD_FIELD_SWITCH_CASE( \
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defaults, rawValue, property, field, fieldName) \
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case CONSTEXPR_RAW_PROPS_KEY_HASH(fieldName): { \
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if ((rawValue).hasValue()) { \
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decltype((defaults).field) res; \
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fromRawValue(context, rawValue, res); \
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(property).field = res; \
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} else { \
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(property).field = (defaults).field; \
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} \
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return; \
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}
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