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LibWeb: Use more verbose input in CSS transform function generator
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parent
4bf587811f
commit
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3 changed files with 94 additions and 62 deletions
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@ -58,6 +58,7 @@ ErrorOr<void> generate_header_file(JsonObject& transforms_data, Core::Stream::Fi
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#include <AK/Optional.h>
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#include <AK/StringView.h>
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#include <AK/Vector.h>
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namespace Web::CSS {
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@ -81,10 +82,13 @@ enum class TransformFunctionParameterType {
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Number,
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};
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struct TransformFunctionParameter {
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TransformFunctionParameterType type;
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bool required;
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};
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struct TransformFunctionMetadata {
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size_t min_parameters;
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size_t max_parameters;
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TransformFunctionParameterType parameter_type;
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Vector<TransformFunctionParameter> parameters;
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};
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TransformFunctionMetadata transform_function_metadata(TransformFunction);
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)~~~");
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@ -153,48 +157,40 @@ TransformFunctionMetadata transform_function_metadata(TransformFunction transfor
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)~~~");
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transforms_data.for_each_member([&](auto& name, auto& value) {
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VERIFY(value.is_object());
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auto parameters_string = value.as_object().get("parameters"sv).as_string();
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GenericLexer lexer { parameters_string };
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VERIFY(lexer.consume_specific('<'));
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auto parameter_type_name = lexer.consume_until('>');
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VERIFY(lexer.consume_specific('>'));
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StringView parameter_type = ""sv;
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if (parameter_type_name == "angle"sv)
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parameter_type = "Angle"sv;
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else if (parameter_type_name == "length-percentage"sv)
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parameter_type = "LengthPercentage"sv;
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else if (parameter_type_name == "number"sv)
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parameter_type = "Number"sv;
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else
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VERIFY_NOT_REACHED();
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StringView min_parameters = "1"sv;
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StringView max_parameters = "1"sv;
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if (!lexer.is_eof()) {
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VERIFY(lexer.consume_specific('{'));
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min_parameters = lexer.consume_until([](auto c) { return c == ',' || c == '}'; });
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if (lexer.consume_specific(','))
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max_parameters = lexer.consume_until('}');
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else
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max_parameters = min_parameters;
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VERIFY(lexer.consume_specific('}'));
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}
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VERIFY(lexer.is_eof());
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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.set("min_parameters", min_parameters);
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member_generator.set("max_parameters", max_parameters);
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member_generator.set("parameter_type", parameter_type);
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member_generator.append(R"~~~(
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case TransformFunction::@name:titlecase@:
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return TransformFunctionMetadata {
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.min_parameters = @min_parameters@,
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.max_parameters = @max_parameters@,
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.parameter_type = TransformFunctionParameterType::@parameter_type@
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};
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.parameters = {)~~~");
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const JsonArray& parameters = value.as_object().get("parameters"sv).as_array();
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bool first = true;
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parameters.for_each([&](JsonValue const& value) {
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GenericLexer lexer { value.as_object().get("type"sv).as_string() };
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VERIFY(lexer.consume_specific('<'));
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auto parameter_type_name = lexer.consume_until('>');
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VERIFY(lexer.consume_specific('>'));
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StringView parameter_type = ""sv;
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if (parameter_type_name == "angle"sv)
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parameter_type = "Angle"sv;
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else if (parameter_type_name == "length-percentage"sv)
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parameter_type = "LengthPercentage"sv;
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else if (parameter_type_name == "number"sv)
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parameter_type = "Number"sv;
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else
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VERIFY_NOT_REACHED();
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member_generator.append(first ? " "sv : ", "sv);
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first = false;
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member_generator.append(String::formatted("{{ TransformFunctionParameterType::{}, {}}}", parameter_type, value.as_object().get("required"sv).to_string()));
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});
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member_generator.append(R"~~~( }
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};
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)~~~");
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});
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generator.append(R"~~~(
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