13eacf8858
Summary:
I wanna repeat the constants export in `yoga-wasm-web`, to achieve
```js
import { ALIGN_CENTER } from "yoga-layout";
```
And I failed. it is impossible because `rollup` and other tools can't transform commonjs `module.exports = { WHATEVER: 1 }` into ECMAScript modules. however, they can work with separate exports like `exports.WHATEVER = 1` and this PR transforms yoga constants into this convertible format
This doesn't change anything for the yoga package, but it makes it possible to reexport constants without any modification and hacks, like this
```js
export * from "./javascript/src_js/generated/YGEnums.js";
```
[discussion in yoga-layout-wasm](https://github.com/shuding/yoga-wasm-web/pull/15)
Pull Request resolved: https://github.com/facebook/yoga/pull/1229
Reviewed By: NickGerleman
Differential Revision: D43437177
Pulled By: rshest
fbshipit-source-id: bfe1404d1b48779f404e6510f2aafadd7fd4e774
286 lines
9.1 KiB
Python
286 lines
9.1 KiB
Python
# 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.
|
|
|
|
from __future__ import absolute_import, division, print_function, unicode_literals
|
|
|
|
import os
|
|
|
|
|
|
ENUMS = {
|
|
"Direction": ["Inherit", "LTR", "RTL"],
|
|
"Unit": ["Undefined", "Point", "Percent", "Auto"],
|
|
"FlexDirection": ["Column", "ColumnReverse", "Row", "RowReverse"],
|
|
"Justify": [
|
|
"FlexStart",
|
|
"Center",
|
|
"FlexEnd",
|
|
"SpaceBetween",
|
|
"SpaceAround",
|
|
"SpaceEvenly",
|
|
],
|
|
"Overflow": ["Visible", "Hidden", "Scroll"],
|
|
"Align": [
|
|
"Auto",
|
|
"FlexStart",
|
|
"Center",
|
|
"FlexEnd",
|
|
"Stretch",
|
|
"Baseline",
|
|
"SpaceBetween",
|
|
"SpaceAround",
|
|
],
|
|
"PositionType": ["Static", "Relative", "Absolute"],
|
|
"Display": ["Flex", "None"],
|
|
"Wrap": ["NoWrap", "Wrap", "WrapReverse"],
|
|
"MeasureMode": ["Undefined", "Exactly", "AtMost"],
|
|
"Dimension": ["Width", "Height"],
|
|
"Edge": [
|
|
"Left",
|
|
"Top",
|
|
"Right",
|
|
"Bottom",
|
|
"Start",
|
|
"End",
|
|
"Horizontal",
|
|
"Vertical",
|
|
"All",
|
|
],
|
|
"NodeType": ["Default", "Text"],
|
|
"LogLevel": ["Error", "Warn", "Info", "Debug", "Verbose", "Fatal"],
|
|
"ExperimentalFeature": [
|
|
# Mimic web flex-basis behavior (experiment may be broken)
|
|
"WebFlexBasis",
|
|
# Conformance fix: https://github.com/facebook/yoga/pull/1028
|
|
"AbsolutePercentageAgainstPaddingEdge",
|
|
# Conformance fix: https://github.com/facebook/yoga/pull/1028
|
|
"FixAbsoluteTrailingColumnMargin",
|
|
],
|
|
"PrintOptions": [("Layout", 1), ("Style", 2), ("Children", 4)],
|
|
"Gutter": ["Column", "Row", "All"],
|
|
}
|
|
|
|
# Generated Java enums used to emit @DoNotStrip, but D17519844 removed them
|
|
# manually from all but YogaLogLevel. TODO: Is it safe to remove from it as
|
|
# well?
|
|
DO_NOT_STRIP = ["LogLevel"]
|
|
|
|
|
|
def get_license(ext):
|
|
prologue = "/**" if ext == "js" else "/*"
|
|
return """{}
|
|
* 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.
|
|
*/
|
|
|
|
// @{} by enums.py
|
|
|
|
""".format(
|
|
prologue, "generated"
|
|
)
|
|
|
|
|
|
def to_java_upper(symbol):
|
|
symbol = str(symbol)
|
|
out = ""
|
|
for i in range(0, len(symbol)):
|
|
c = symbol[i]
|
|
if str.istitle(c) and i is not 0 and not str.istitle(symbol[i - 1]):
|
|
out += "_"
|
|
out += c.upper()
|
|
return out
|
|
|
|
|
|
def to_log_lower(symbol):
|
|
symbol = str(symbol)
|
|
out = ""
|
|
for i in range(0, len(symbol)):
|
|
c = symbol[i]
|
|
if str.istitle(c) and i is not 0 and not str.istitle(symbol[i - 1]):
|
|
out += "-"
|
|
out += c.lower()
|
|
return out
|
|
|
|
|
|
root = os.path.dirname(os.path.abspath(__file__))
|
|
|
|
# write out C & Objective-C headers
|
|
with open(root + "/yoga/YGEnums.h", "w") as f:
|
|
f.write(get_license("cpp"))
|
|
f.write("#pragma once\n")
|
|
f.write('#include "YGMacros.h"\n\n')
|
|
f.write("// clang-format off\n\n\n")
|
|
|
|
f.write("YG_EXTERN_C_BEGIN\n\n")
|
|
items = sorted(ENUMS.items())
|
|
for name, values in items:
|
|
if isinstance(values[0], tuple):
|
|
f.write("YG_ENUM_DECL(\n")
|
|
else:
|
|
f.write("YG_ENUM_SEQ_DECL(\n")
|
|
|
|
f.write(" YG%s,\n" % name)
|
|
for value in values:
|
|
if isinstance(value, tuple):
|
|
f.write(" YG%s%s = %d" % (name, value[0], value[1]))
|
|
else:
|
|
f.write(" YG%s%s" % (name, value))
|
|
if value == values[-1]:
|
|
f.write(")\n")
|
|
else:
|
|
f.write(",\n")
|
|
f.write("\n")
|
|
f.write("YG_EXTERN_C_END\n")
|
|
|
|
# write out C body for printing
|
|
with open(root + "/yoga/YGEnums.cpp", "w") as f:
|
|
f.write(get_license("cpp"))
|
|
f.write('#include "YGEnums.h"\n\n')
|
|
items = sorted(ENUMS.items())
|
|
for name, values in items:
|
|
f.write("const char* YG%sToString(const YG%s value) {\n" % (name, name))
|
|
f.write(" switch (value) {\n")
|
|
for value in values:
|
|
if isinstance(value, tuple):
|
|
f.write(" case YG%s%s:\n" % (name, value[0]))
|
|
f.write(' return "%s";\n' % to_log_lower(value[0]))
|
|
else:
|
|
f.write(" case YG%s%s:\n" % (name, value))
|
|
f.write(' return "%s";\n' % to_log_lower(value))
|
|
f.write(" }\n")
|
|
f.write(' return "unknown";\n')
|
|
f.write("}\n")
|
|
if name != items[-1][0]:
|
|
f.write("\n")
|
|
|
|
# write out java files
|
|
for name, values in sorted(ENUMS.items()):
|
|
with open(root + "/java/com/facebook/yoga/Yoga%s.java" % name, "w") as f:
|
|
f.write(get_license("java"))
|
|
f.write("package com.facebook.yoga;\n\n")
|
|
if name in DO_NOT_STRIP:
|
|
f.write("import com.facebook.yoga.annotations.DoNotStrip;\n\n")
|
|
f.write("@DoNotStrip\n")
|
|
f.write("public enum Yoga%s {\n" % name)
|
|
if len(values) > 0:
|
|
for value in values:
|
|
if isinstance(value, tuple):
|
|
f.write(" %s(%d)" % (to_java_upper(value[0]), value[1]))
|
|
else:
|
|
f.write(" %s(%d)" % (to_java_upper(value), values.index(value)))
|
|
if values.index(value) is len(values) - 1:
|
|
f.write(";\n")
|
|
else:
|
|
f.write(",\n")
|
|
else:
|
|
f.write("__EMPTY(-1);")
|
|
f.write("\n")
|
|
f.write(" private final int mIntValue;\n")
|
|
f.write("\n")
|
|
f.write(" Yoga%s(int intValue) {\n" % name)
|
|
f.write(" mIntValue = intValue;\n")
|
|
f.write(" }\n")
|
|
f.write("\n")
|
|
f.write(" public int intValue() {\n")
|
|
f.write(" return mIntValue;\n")
|
|
f.write(" }\n")
|
|
f.write("\n")
|
|
if name in DO_NOT_STRIP:
|
|
f.write(" @DoNotStrip\n")
|
|
f.write(" public static Yoga%s fromInt(int value) {\n" % name)
|
|
f.write(" switch (value) {\n")
|
|
for value in values:
|
|
if isinstance(value, tuple):
|
|
f.write(
|
|
" case %d: return %s;\n" % (value[1], to_java_upper(value[0]))
|
|
)
|
|
else:
|
|
f.write(
|
|
" case %d: return %s;\n"
|
|
% (values.index(value), to_java_upper(value))
|
|
)
|
|
f.write(
|
|
' default: throw new IllegalArgumentException("Unknown enum value: " + value);\n'
|
|
)
|
|
f.write(" }\n")
|
|
f.write(" }\n")
|
|
f.write("}\n")
|
|
|
|
# write out csharp files
|
|
for name, values in sorted(ENUMS.items()):
|
|
with open(root + "/csharp/Facebook.Yoga/Yoga%s.cs" % name, "w") as f:
|
|
f.write(get_license("cs"))
|
|
f.write("namespace Facebook.Yoga\n{\n")
|
|
if isinstance(next(iter(values or []), None), tuple):
|
|
f.write(" [System.Flags]\n")
|
|
f.write(" public enum Yoga%s\n {\n" % name)
|
|
for value in values:
|
|
if isinstance(value, tuple):
|
|
f.write(" %s = %d,\n" % (value[0], value[1]))
|
|
else:
|
|
f.write(" %s,\n" % value)
|
|
f.write(" }\n")
|
|
f.write("}\n")
|
|
|
|
# write out javascript file
|
|
with open(root + "/javascript/src_js/generated/YGEnums.js", "w") as f:
|
|
f.write(get_license("js"))
|
|
items = sorted(ENUMS.items())
|
|
for name, values in items:
|
|
base = 0
|
|
for value in values:
|
|
value_arg = value[0] if isinstance(value, tuple) else value
|
|
ordinal_arg = value[1] if isinstance(value, tuple) else base
|
|
|
|
f.write(
|
|
"exports.%s_%s = %d;\n"
|
|
% (to_java_upper(name), to_java_upper(value_arg), ordinal_arg)
|
|
)
|
|
base = ordinal_arg + 1
|
|
|
|
if name != items[-1][0]:
|
|
f.write("\n")
|
|
|
|
with open(root + "/javascript/src_js/generated/YGEnums.d.ts", "w") as f:
|
|
f.write(get_license("js"))
|
|
|
|
for name, values in sorted(ENUMS.items()):
|
|
base = 0
|
|
for value in values:
|
|
value_arg = value[0] if isinstance(value, tuple) else value
|
|
ordinal_arg = value[1] if isinstance(value, tuple) else base
|
|
|
|
f.write(
|
|
(
|
|
"type {name}_{value} = {ordinal} & ['{name}']\n"
|
|
+ "export const {name}_{value}: {name}_{value};\n\n"
|
|
).format(
|
|
name=to_java_upper(name),
|
|
value=to_java_upper(value_arg),
|
|
ordinal=ordinal_arg,
|
|
)
|
|
)
|
|
|
|
base = ordinal_arg + 1
|
|
|
|
f.write("\n")
|
|
|
|
for name, values in sorted(ENUMS.items()):
|
|
f.write("export type {} =\n".format(name))
|
|
for value in values:
|
|
unpackedValue = value[0] if isinstance(value, tuple) else value
|
|
f.write(
|
|
" | typeof {}_{}".format(
|
|
to_java_upper(name), to_java_upper(unpackedValue)
|
|
)
|
|
)
|
|
if values[-1] == value:
|
|
f.write(";\n")
|
|
else:
|
|
f.write("\n")
|
|
|
|
f.write("\n")
|