70153cc16c
Summary: X-link: https://github.com/facebook/react-native/pull/37242 Pull Request resolved: https://github.com/facebook/yoga/pull/1278 Reviewed By: yungsters Differential Revision: D45552325 fbshipit-source-id: 5687e8ec27a7a70df66e2f89e800210e3ce21ba3
307 lines
9.9 KiB
Python
307 lines
9.9 KiB
Python
# 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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from __future__ import absolute_import, division, print_function, unicode_literals
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import os
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ENUMS = {
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"Direction": ["Inherit", "LTR", "RTL"],
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"Unit": ["Undefined", "Point", "Percent", "Auto"],
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"FlexDirection": ["Column", "ColumnReverse", "Row", "RowReverse"],
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"Justify": [
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"FlexStart",
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"Center",
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"FlexEnd",
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"SpaceBetween",
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"SpaceAround",
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"SpaceEvenly",
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],
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"Overflow": ["Visible", "Hidden", "Scroll"],
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"Align": [
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"Auto",
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"FlexStart",
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"Center",
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"FlexEnd",
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"Stretch",
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"Baseline",
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"SpaceBetween",
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"SpaceAround",
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],
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"PositionType": ["Static", "Relative", "Absolute"],
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"Display": ["Flex", "None"],
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"Wrap": ["NoWrap", "Wrap", "WrapReverse"],
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"MeasureMode": ["Undefined", "Exactly", "AtMost"],
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"Dimension": ["Width", "Height"],
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"Edge": [
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"Left",
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"Top",
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"Right",
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"Bottom",
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"Start",
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"End",
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"Horizontal",
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"Vertical",
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"All",
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],
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"NodeType": ["Default", "Text"],
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"LogLevel": ["Error", "Warn", "Info", "Debug", "Verbose", "Fatal"],
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"ExperimentalFeature": [
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# Mimic web flex-basis behavior (experiment may be broken)
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"WebFlexBasis",
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# Conformance fix: https://github.com/facebook/yoga/pull/1028
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"AbsolutePercentageAgainstPaddingEdge",
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# Conformance fix: https://github.com/facebook/yoga/pull/1028
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"FixAbsoluteTrailingColumnMargin",
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],
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"PrintOptions": [
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("Layout", 1 << 0),
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("Style", 1 << 1),
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("Children", 1 << 2),
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],
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"Gutter": ["Column", "Row", "All"],
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# Known incorrect behavior which can be enabled for compatibility
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"Errata": [
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# Default: Standards conformant mode
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("None", 0),
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# Allows main-axis flex basis to be stretched without flexGrow being
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# set (previously referred to as "UseLegacyStretchBehaviour")
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("StretchFlexBasis", 1 << 0),
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# Enable all incorrect behavior (preserve compatibility)
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("All", 0x7FFFFFFF),
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# Enable all errata except for "StretchFlexBasis" (Defaults behavior
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# before Yoga 2.0)
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("Classic", 0x7FFFFFFF & (~(1 << 0))),
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],
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}
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# Generated Java enums used to emit @DoNotStrip, but D17519844 removed them
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# manually from all but YogaLogLevel. TODO: Is it safe to remove from it as
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# well?
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DO_NOT_STRIP = ["LogLevel"]
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BITSET_ENUMS = ["PrintOptions", "Errata"]
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def get_license(ext):
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prologue = "/**" if ext == "js" else "/*"
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return """{}
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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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// @{} by enums.py
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""".format(
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prologue, "generated"
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)
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def to_java_upper(symbol):
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symbol = str(symbol)
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out = ""
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for i in range(0, len(symbol)):
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c = symbol[i]
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if str.istitle(c) and i is not 0 and not str.istitle(symbol[i - 1]):
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out += "_"
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out += c.upper()
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return out
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def to_log_lower(symbol):
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symbol = str(symbol)
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out = ""
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for i in range(0, len(symbol)):
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c = symbol[i]
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if str.istitle(c) and i is not 0 and not str.istitle(symbol[i - 1]):
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out += "-"
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out += c.lower()
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return out
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root = os.path.dirname(os.path.abspath(__file__))
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# write out C & Objective-C headers
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with open(root + "/yoga/YGEnums.h", "w") as f:
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f.write(get_license("cpp"))
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f.write("#pragma once\n")
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f.write("#include <yoga/YGMacros.h>\n\n")
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f.write("// clang-format off\n\n\n")
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f.write("YG_EXTERN_C_BEGIN\n\n")
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items = sorted(ENUMS.items())
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for name, values in items:
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if isinstance(values[0], tuple):
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f.write("YG_ENUM_DECL(\n")
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else:
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f.write("YG_ENUM_SEQ_DECL(\n")
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f.write(" YG%s,\n" % name)
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for value in values:
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if isinstance(value, tuple):
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f.write(" YG%s%s = %d" % (name, value[0], value[1]))
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else:
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f.write(" YG%s%s" % (name, value))
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if value == values[-1]:
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f.write(")\n")
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else:
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f.write(",\n")
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if name in BITSET_ENUMS:
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f.write("YG_DEFINE_ENUM_FLAG_OPERATORS(YG%s)\n" % name)
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f.write("\n")
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f.write("YG_EXTERN_C_END\n")
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# write out C body for printing
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with open(root + "/yoga/YGEnums.cpp", "w") as f:
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f.write(get_license("cpp"))
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f.write("#include <yoga/YGEnums.h>\n\n")
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items = sorted(ENUMS.items())
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for name, values in items:
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f.write("const char* YG%sToString(const YG%s value) {\n" % (name, name))
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f.write(" switch (value) {\n")
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for value in values:
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if isinstance(value, tuple):
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f.write(" case YG%s%s:\n" % (name, value[0]))
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f.write(' return "%s";\n' % to_log_lower(value[0]))
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else:
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f.write(" case YG%s%s:\n" % (name, value))
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f.write(' return "%s";\n' % to_log_lower(value))
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f.write(" }\n")
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f.write(' return "unknown";\n')
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f.write("}\n")
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if name != items[-1][0]:
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f.write("\n")
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# write out java files
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for name, values in sorted(ENUMS.items()):
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with open(root + "/java/com/facebook/yoga/Yoga%s.java" % name, "w") as f:
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f.write(get_license("java"))
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f.write("package com.facebook.yoga;\n\n")
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if name in DO_NOT_STRIP:
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f.write("import com.facebook.yoga.annotations.DoNotStrip;\n\n")
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f.write("@DoNotStrip\n")
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f.write("public enum Yoga%s {\n" % name)
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if len(values) > 0:
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for value in values:
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if isinstance(value, tuple):
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f.write(" %s(%d)" % (to_java_upper(value[0]), value[1]))
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else:
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f.write(" %s(%d)" % (to_java_upper(value), values.index(value)))
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if values.index(value) is len(values) - 1:
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f.write(";\n")
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else:
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f.write(",\n")
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else:
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f.write("__EMPTY(-1);")
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f.write("\n")
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f.write(" private final int mIntValue;\n")
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f.write("\n")
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f.write(" Yoga%s(int intValue) {\n" % name)
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f.write(" mIntValue = intValue;\n")
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f.write(" }\n")
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f.write("\n")
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f.write(" public int intValue() {\n")
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f.write(" return mIntValue;\n")
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f.write(" }\n")
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f.write("\n")
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if name in DO_NOT_STRIP:
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f.write(" @DoNotStrip\n")
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f.write(" public static Yoga%s fromInt(int value) {\n" % name)
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f.write(" switch (value) {\n")
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for value in values:
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if isinstance(value, tuple):
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f.write(
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" case %d: return %s;\n" % (value[1], to_java_upper(value[0]))
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)
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else:
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f.write(
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" case %d: return %s;\n"
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% (values.index(value), to_java_upper(value))
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)
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f.write(
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' default: throw new IllegalArgumentException("Unknown enum value: " + value);\n'
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)
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f.write(" }\n")
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f.write(" }\n")
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f.write("}\n")
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# write out csharp files
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for name, values in sorted(ENUMS.items()):
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with open(root + "/csharp/Facebook.Yoga/Yoga%s.cs" % name, "w") as f:
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f.write(get_license("cs"))
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f.write("namespace Facebook.Yoga\n{\n")
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if isinstance(next(iter(values or []), None), tuple):
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f.write(" [System.Flags]\n")
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f.write(" public enum Yoga%s\n {\n" % name)
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for value in values:
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if isinstance(value, tuple):
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f.write(" %s = %d,\n" % (value[0], value[1]))
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else:
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f.write(" %s,\n" % value)
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f.write(" }\n")
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f.write("}\n")
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# write out javascript file
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with open(root + "/javascript/src_js/generated/YGEnums.js", "w") as f:
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f.write(get_license("js"))
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items = sorted(ENUMS.items())
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for name, values in items:
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base = 0
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for value in values:
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value_arg = value[0] if isinstance(value, tuple) else value
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ordinal_arg = value[1] if isinstance(value, tuple) else base
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f.write(
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"exports.%s_%s = %d;\n"
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% (to_java_upper(name), to_java_upper(value_arg), ordinal_arg)
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)
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base = ordinal_arg + 1
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if name != items[-1][0]:
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f.write("\n")
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with open(root + "/javascript/src_js/generated/YGEnums.d.ts", "w") as f:
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f.write(get_license("js"))
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for name, values in sorted(ENUMS.items()):
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base = 0
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for value in values:
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value_arg = value[0] if isinstance(value, tuple) else value
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ordinal_arg = value[1] if isinstance(value, tuple) else base
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f.write(
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(
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"type {name}_{value} = {ordinal} & ['{name}']\n"
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+ "export const {name}_{value}: {name}_{value};\n\n"
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).format(
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name=to_java_upper(name),
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value=to_java_upper(value_arg),
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ordinal=ordinal_arg,
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)
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)
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base = ordinal_arg + 1
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f.write("\n")
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for name, values in sorted(ENUMS.items()):
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f.write("export type {} =\n".format(name))
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for value in values:
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unpackedValue = value[0] if isinstance(value, tuple) else value
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f.write(
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" | typeof {}_{}".format(
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to_java_upper(name), to_java_upper(unpackedValue)
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)
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)
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if values[-1] == value:
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f.write(";\n")
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else:
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f.write("\n")
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f.write("\n")
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