// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:path/path.dart' as path; import 'base_code_gen.dart'; import 'logical_key_data.dart'; import 'physical_key_data.dart'; import 'utils.dart'; String _toUpperSnake(String lowerCammel) { // Converts 'myTVFoo' to 'myTvFoo'. final String trueUpperCammel = lowerCammel.replaceAllMapped( RegExp(r'([A-Z]{3,})'), (Match match) { final String matched = match.group(1)!; return matched.substring(0, 1) + matched.substring(1, matched.length - 2).toLowerCase() + matched.substring(matched.length - 2, matched.length - 1); }); // Converts 'myTvFoo' to 'MY_TV_FOO'. return trueUpperCammel.replaceAllMapped( RegExp(r'([A-Z])'), (Match match) => '_${match.group(1)!}').toUpperCase(); } /// Generates the common/testing/key_codes.h based on the information in the key /// data structure given to it. class KeyCodesJavaGenerator extends BaseCodeGenerator { KeyCodesJavaGenerator(super.keyData, super.logicalData); /// Gets the generated definitions of PhysicalKeyboardKeys. String get _physicalDefinitions { final OutputLines<int> lines = OutputLines<int>('Physical Key list'); for (final PhysicalKeyEntry entry in keyData.entries) { lines.add(entry.usbHidCode, ''' public static final long PHYSICAL_${_toUpperSnake(entry.constantName)} = ${toHex(entry.usbHidCode)}L;'''); } return lines.sortedJoin().trimRight(); } /// Gets the generated definitions of PhysicalKeyboardKeys. String get _logicalDefinitions { final OutputLines<int> lines = OutputLines<int>('Logical Key list', behavior: DeduplicateBehavior.kSkip); for (final LogicalKeyEntry entry in logicalData.entries) { lines.add(entry.value, ''' public static final long LOGICAL_${_toUpperSnake(entry.constantName)} = ${toHex(entry.value, digits: 11)}L;'''); } return lines.sortedJoin().trimRight(); } @override String get templatePath => path.join(dataRoot, 'key_codes_java.tmpl'); @override Map<String, String> mappings() { return <String, String>{ 'LOGICAL_KEY_DEFINITIONS': _logicalDefinitions, 'PHYSICAL_KEY_DEFINITIONS': _physicalDefinitions, }; } }