initial commit for rfw_txt

Author: ebwood

melos.yaml

@@ -5,7 +5,7 @@ packages:
   - packages/rfw2txt
   - packages/widget2rfw
   - packages/rfw_builder
-  - packages/rfw_tools
+  - packages/rfw_txt
 
 scripts:
   add_sort:

packages/rfw_tools/bin/rfw2txt.dart

@@ -0,0 +1,96 @@
+import 'dart:io';
+
+import 'package:args/args.dart';
+import 'package:path/path.dart';
+import 'package:yaml/yaml.dart';
+
+import 'package:rfw_txt/src/rfw2txt.dart';
+
+ArgParser buildParser() {
+  return ArgParser()
+    ..addFlag(
+      'help',
+      abbr: 'h',
+      negatable: false,
+      help: 'Print this usage information.',
+    )
+    ..addFlag(
+      'verbose',
+      negatable: false,
+      help: 'Show additional command output.',
+    )
+    ..addFlag(
+      'version',
+      abbr: 'v',
+      negatable: false,
+      help: 'Print the tool version.',
+    )
+    ..addOption('output', abbr: 'o', help: 'Output path.');
+}
+
+void printUsage(ArgParser argParser) {
+  print('Usage: rfw2txt <flags> [arguments]');
+  print(argParser.usage);
+}
+
+void main(List<String> arguments) {
+  final ArgParser argParser = buildParser();
+  try {
+    final ArgResults results = argParser.parse(arguments);
+    bool verbose = false;
+
+    // Process the parsed arguments.
+    if (results.wasParsed('help')) {
+      printUsage(argParser);
+      return;
+    }
+    if (results.wasParsed('version')) {
+      String version = '0.0.1';
+      try {
+        File pubspecFile = File('pubspec.yaml');
+        version = loadYaml(pubspecFile.readAsStringSync())['version'];
+      } catch (e) {
+        print(e);
+      }
+
+      print('rfw2txt version: $version');
+      return;
+    }
+    if (results.wasParsed('verbose')) {
+      verbose = true;
+    }
+
+    if (verbose) {
+      print('[VERBOSE] All arguments: ${results.arguments}');
+    }
+
+    String outputPath = '';
+    if (results.wasParsed('output')) {
+      outputPath = results['output'] as String;
+    }
+
+    if (results.arguments.isEmpty) {
+      print('No rfw path provided.');
+      printUsage(argParser);
+      return;
+    }
+
+    // check if file exists
+    String rfwPath = results.arguments[0];
+    File rfwFile = File(rfwPath);
+    if (!rfwFile.existsSync()) {
+      print('File not found: $rfwPath');
+      return;
+    }
+
+    if (outputPath.isEmpty) {
+      outputPath = '${basenameWithoutExtension(rfwPath)}.rfwtxt';
+    }
+    File outputFile = File(outputPath);
+    outputFile.writeAsStringSync(rfw2txt(rfwFile.readAsBytesSync()));
+  } on FormatException catch (e) {
+    // Print usage information if an invalid argument was provided.
+    print(e.message);
+    printUsage(argParser);
+  }
+}

packages/rfw_tools/bin/txt2rfw.dart

@@ -1,6 +1,10 @@
+import 'dart:io';
+
 import 'package:args/args.dart';
+import 'package:path/path.dart';
+import 'package:yaml/yaml.dart';
 
-const String version = '0.0.1';
+import 'package:rfw_txt/src/txt2rfw.dart';
 
 ArgParser buildParser() {
   return ArgParser()
@@ -20,11 +24,12 @@ ArgParser buildParser() {
       'version',
       negatable: false,
       help: 'Print the tool version.',
-    );
+    )
+    ..addOption('output', abbr: 'o', help: 'Output path.');
 }
 
 void printUsage(ArgParser argParser) {
-  print('Usage: dart rfw_tools.dart <flags> [arguments]');
+  print('Usage: txt2rfw <flags> [arguments]');
   print(argParser.usage);
 }
 
@@ -40,22 +45,55 @@ void main(List<String> arguments) {
       return;
     }
     if (results.wasParsed('version')) {
-      print('rfw_tools version: $version');
+      String version = '0.0.1';
+      try {
+        File pubspecFile = File('pubspec.yaml');
+        version = loadYaml(pubspecFile.readAsStringSync())['version'];
+      } catch (e) {
+        print(e);
+      }
+
+      print('rfw2txt version: $version');
       return;
     }
+
     if (results.wasParsed('verbose')) {
       verbose = true;
     }
 
     // Act on the arguments provided.
-    print('Positional arguments: ${results.rest}');
     if (verbose) {
       print('[VERBOSE] All arguments: ${results.arguments}');
     }
+
+    String outputPath = '';
+    if (results.wasParsed('output')) {
+      outputPath = results['output'] as String;
+    }
+
+    if (results.arguments.isEmpty) {
+      print('No rfwtxt path provided.');
+      printUsage(argParser);
+      return;
+    }
+
+    // check if file exists
+    String txtPath = results.arguments[0];
+    File txtFile = File(txtPath);
+    if (!txtFile.existsSync()) {
+      print('File not found: $txtPath');
+      return;
+    }
+
+    if (outputPath.isEmpty) {
+      outputPath = '${basenameWithoutExtension(txtPath)}.rfw';
+    }
+    File outputFile = File(outputPath);
+
+    outputFile.writeAsBytesSync(txt2rfw(txtFile.readAsStringSync()));
   } on FormatException catch (e) {
     // Print usage information if an invalid argument was provided.
     print(e.message);
-    print('');
     printUsage(argParser);
   }
 }

packages/rfw_tools/lib/rfw_tools.dart

@@ -0,0 +1,14 @@
+import core.widgets;
+import core.material;
+
+widget hello = Scaffold(
+  appBar: AppBar(title: Text(text: "Hello Demo")),
+  body: Container(
+    height: 100,
+  color: 0xFF00FF00,
+  child: Center(
+    child: Text(text: ["Hello, ", data.greet.name, '!'], textDirection: "ltr", style: {
+      color: 0xFFFF0000
+    }),
+  ),
+));

packages/rfw_tools/melos_rfw_tools.iml

@@ -0,0 +1,61 @@
+import core.widgets;
+import core.material;
+
+widget Empty = Container();
+
+widget Counter = Container(
+  color: 0xFF66AACC,
+  child: Center(
+    child: Button(
+      child: Padding(
+        padding: [ 20.0 ],
+        child: Text(text: data.counter, style: {
+          fontSize: 56.0,
+          color: 0xFF000000,
+        }),
+      ),
+      onPressed: event "increment" { },
+    ),
+  ),
+);
+
+widget Button { down: false } = GestureDetector(
+  onTap: args.onPressed,
+  onTapDown: set state.down = true,
+  onTapUp: set state.down = false,
+  onTapCancel: set state.down = false,
+  child: Container(
+    duration: 50,
+    margin: switch state.down {
+      false: [ 0.0, 0.0, 2.0, 2.0 ],
+      true: [ 2.0, 2.0, 0.0, 0.0 ],
+    },
+    padding: [ 12.0, 8.0 ],
+    decoration: {
+      type: "shape",
+      shape: {
+        type: "stadium",
+        side: { width: 1.0 },
+      },
+      gradient: {
+        type: "linear",
+        begin: { x: -0.5, y: -0.25 },
+        end: { x: 0.0, y: 0.5 },
+        colors: [ 0xFFFFFF99, 0xFFEEDD00 ],
+        stops: [ 0.0, 1.0 ],
+        tileMode: "mirror",
+      },
+      shadows: switch state.down {
+        false: [ { blurRadius: 4.0, spreadRadius: 0.5, offset: { x: 1.0, y: 1.0, } } ],
+        default: [],
+      },
+    },
+    child: DefaultTextStyle(
+      style: {
+        color: 0xFF000000,
+        fontSize: 32.0,
+      },
+      child: args.child,
+    ),
+  ),
+);

packages/rfw_tools/pubspec.yaml

@@ -0,0 +1,3 @@
+library rfw_txt;
+
+export 'src/txt2rfw.dart';

packages/rfw_tools/test/rfw_tools_test.dart

@@ -0,0 +1,25 @@
+import 'dart:typed_data';
+
+import 'package:collection/collection.dart';
+import 'package:rfw/formats.dart';
+
+import 'rwl2json.dart';
+import 'rwl2txt.dart';
+
+// Parse .rfw to .rfwtxt
+String rfw2txt(Uint8List bytes) {
+  RemoteWidgetLibrary rwl = decodeLibraryBlob(bytes);
+  String output = rwl2txt(rwl);
+  if (ListEquality()
+          .equals(bytes, encodeLibraryBlob(parseLibraryFile(output))) ==
+      false) {
+    throw Exception('rfw2txt failed');
+  }
+  return output;
+}
+
+// Parse .rfw to json
+Map<String, dynamic> rfw2json(Uint8List bytes) {
+  RemoteWidgetLibrary rwl = decodeLibraryBlob(bytes);
+  return rwl2json(rwl);
+}