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https://github.com/RGBCube/serenity
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LibWeb: Add code generator for CSS transform functions
This first step just generates the TransformFunction enum, but more will follow.
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4 changed files with 139 additions and 0 deletions
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@ -3,6 +3,7 @@ set(SOURCES "") # avoid pulling SOURCES from parent scope
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lagom_tool(GenerateCSSEnums SOURCES GenerateCSSEnums.cpp LIBS LagomMain)
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lagom_tool(GenerateCSSEnums SOURCES GenerateCSSEnums.cpp LIBS LagomMain)
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lagom_tool(GenerateCSSMediaFeatureID SOURCES GenerateCSSMediaFeatureID.cpp LIBS LagomMain)
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lagom_tool(GenerateCSSMediaFeatureID SOURCES GenerateCSSMediaFeatureID.cpp LIBS LagomMain)
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lagom_tool(GenerateCSSPropertyID SOURCES GenerateCSSPropertyID.cpp LIBS LagomMain)
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lagom_tool(GenerateCSSPropertyID SOURCES GenerateCSSPropertyID.cpp LIBS LagomMain)
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lagom_tool(GenerateCSSTransformFunctions SOURCES GenerateCSSTransformFunctions.cpp LIBS LagomMain)
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lagom_tool(GenerateCSSValueID SOURCES GenerateCSSValueID.cpp LIBS LagomMain)
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lagom_tool(GenerateCSSValueID SOURCES GenerateCSSValueID.cpp LIBS LagomMain)
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add_subdirectory(WrapperGenerator)
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add_subdirectory(WrapperGenerator)
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@ -0,0 +1,92 @@
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/*
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* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "GeneratorUtil.h"
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#include <AK/SourceGenerator.h>
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#include <AK/StringBuilder.h>
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#include <LibCore/ArgsParser.h>
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#include <LibMain/Main.h>
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ErrorOr<void> generate_header_file(JsonObject& transforms_data, Core::Stream::File& file);
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ErrorOr<void> generate_implementation_file(JsonObject& transforms_data, Core::Stream::File& file);
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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StringView generated_header_path;
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StringView generated_implementation_path;
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StringView identifiers_json_path;
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Core::ArgsParser args_parser;
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args_parser.add_option(generated_header_path, "Path to the TransformFunctions header file to generate", "generated-header-path", 'h', "generated-header-path");
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args_parser.add_option(generated_implementation_path, "Path to the TransformFunctions implementation file to generate", "generated-implementation-path", 'c', "generated-implementation-path");
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args_parser.add_option(identifiers_json_path, "Path to the JSON file to read from", "json-path", 'j', "json-path");
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args_parser.parse(arguments);
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auto json = TRY(read_entire_file_as_json(identifiers_json_path));
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VERIFY(json.is_object());
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auto transforms_data = json.as_object();
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auto generated_header_file = TRY(Core::Stream::File::open(generated_header_path, Core::Stream::OpenMode::Write));
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auto generated_implementation_file = TRY(Core::Stream::File::open(generated_implementation_path, Core::Stream::OpenMode::Write));
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TRY(generate_header_file(transforms_data, *generated_header_file));
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TRY(generate_implementation_file(transforms_data, *generated_implementation_file));
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return 0;
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}
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static String title_casify_transform_function(StringView input)
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{
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// Transform function names look like `fooBar`, so we just have to make the first character uppercase.
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StringBuilder builder;
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builder.append(toupper(input[0]));
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builder.append(input.substring_view(1));
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return builder.to_string();
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}
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ErrorOr<void> generate_header_file(JsonObject& transforms_data, Core::Stream::File& file)
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{
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StringBuilder builder;
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SourceGenerator generator { builder };
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generator.append(R"~~~(
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namespace Web::CSS {
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)~~~");
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generator.appendln("enum class TransformFunction {");
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transforms_data.for_each_member([&](auto& name, auto&) {
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auto member_generator = generator.fork();
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member_generator.set("name:titlecase", title_casify_transform_function(name));
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member_generator.appendln(" @name:titlecase@,");
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});
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generator.appendln("};");
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generator.appendln("\n}");
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TRY(file.write(generator.as_string_view().bytes()));
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return {};
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}
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ErrorOr<void> generate_implementation_file(JsonObject& transforms_data, Core::Stream::File& file)
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{
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StringBuilder builder;
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SourceGenerator generator { builder };
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generator.append(R"~~~(
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namespace Web::CSS {
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)~~~");
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transforms_data.for_each_member([&](auto& name, auto& value) {
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(void)name;
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(void)value;
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});
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generator.appendln("}");
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TRY(file.write(generator.as_string_view().bytes()));
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return {};
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}
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@ -74,6 +74,7 @@ set(SOURCES
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CSS/Supports.cpp
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CSS/Supports.cpp
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CSS/SyntaxHighlighter/SyntaxHighlighter.cpp
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CSS/SyntaxHighlighter/SyntaxHighlighter.cpp
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CSS/Time.cpp
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CSS/Time.cpp
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CSS/TransformFunctions.cpp
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CSS/ValueID.cpp
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CSS/ValueID.cpp
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CSS/ValueID.h
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CSS/ValueID.h
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Cookie/ParsedCookie.cpp
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Cookie/ParsedCookie.cpp
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@ -647,6 +648,16 @@ invoke_generator(
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arguments -j "${CMAKE_CURRENT_SOURCE_DIR}/CSS/Properties.json"
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arguments -j "${CMAKE_CURRENT_SOURCE_DIR}/CSS/Properties.json"
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)
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)
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invoke_generator(
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"TransformFunctions"
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Lagom::GenerateCSSTransformFunctions
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"${CMAKE_CURRENT_SOURCE_DIR}/CSS/TransformFunctions.json"
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""
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"CSS/TransformFunctions.h"
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"CSS/TransformFunctions.cpp"
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arguments -j "${CMAKE_CURRENT_SOURCE_DIR}/CSS/TransformFunctions.json"
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)
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invoke_generator(
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invoke_generator(
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"ValueID"
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"ValueID"
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Lagom::GenerateCSSValueID
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Lagom::GenerateCSSValueID
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35
Userland/Libraries/LibWeb/CSS/TransformFunctions.json
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35
Userland/Libraries/LibWeb/CSS/TransformFunctions.json
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{
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"matrix": {
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"parameters": "<number>{6}"
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},
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"translate": {
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"parameters": "<length-percentage>{1,2}"
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},
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"translateX": {
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"parameters": "<length-percentage>"
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},
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"translateY": {
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"parameters": "<length-percentage>"
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},
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"scale": {
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"parameters": "<number>{1,2}"
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},
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"scaleX": {
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"parameters": "<number>"
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},
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"scaleY": {
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"parameters": "<number>"
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},
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"rotate": {
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"parameters": "<angle>"
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},
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"skew": {
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"parameters": "<angle>{1,2}"
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},
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"skewX": {
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"parameters": "<angle>"
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},
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"skewY": {
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"parameters": "<angle>"
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}
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}
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