92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/*
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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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