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update #55

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131 changes: 84 additions & 47 deletions dart2dsl/lib/src/widget.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -47,13 +47,14 @@ var baseAPI = [

String get outputPrefix => 'sdk';

Future<void> parseSdkFile(String sdkName, String filePath, String output) async {
Future<void> parseSdkFile(
String sdkName, String filePath, String output) async {
await _generateSdkFile(sdkName, filePath, output);
}

Future<void> saveIntoFile(String result, String outputDir, String fileName) async {
var file = File('$outputDir/$fileName')
..createSync(recursive: true);
Future<void> saveIntoFile(
String result, String outputDir, String fileName) async {
var file = File('$outputDir/$fileName')..createSync(recursive: true);
await file.writeAsString(result);
await Process.start('dartfmt', ['-w', '$outputDir']);
}
Expand Down Expand Up @@ -290,13 +291,14 @@ Future<String> _generateWidget(
}
''');


buffer.write('''
@override
Map<String, bool> mapping() {
return const {
''');
c.forEach((element) => element.components.forEach((e) {buffer.write('\'${e.name}\': ${e.isWidget},\n'); }));
c.forEach((element) => element.components.forEach((e) {
buffer.write('\'${e.name}\': ${e.isWidget},\n');
}));
buffer.write('''
};
}
Expand All @@ -305,18 +307,19 @@ Future<String> _generateWidget(
return buffer.toString();
}

Future<void> _generateSdkFile(String sdkName, String filePath, String output) async {
Future<void> _generateSdkFile(
String sdkName, String filePath, String output) async {
var collection = AnalysisContextCollection(includedPaths: [filePath]);
var context = collection.contextFor(filePath);
var c = await processFile(context, filePath, analysisExports: true);
var c = await processFile(context, filePath, analysisExports: true);
if (c == null) return '';
var isCupertino = c.isCupertino;
var buffer = StringBuffer('''
import 'package:flutter/${isCupertino ? "cupertino.dart" : "material.dart"}';
''');
var fileName = basename(filePath);
var clzName = fileName.replaceAll('.dart', '');
if(sdkName?.isNotEmpty != true){
if (sdkName?.isNotEmpty != true) {
sdkName = clzName;
}
buffer.write('''
Expand All @@ -325,7 +328,7 @@ Future<void> _generateSdkFile(String sdkName, String filePath, String output) as

var lines = c.lines.toList();
lines.sort(
(a, b) => a.startsWith('import') ? -1 : (b.startsWith('import') ? 1 : 0));
(a, b) => a.startsWith('import') ? -1 : (b.startsWith('import') ? 1 : 0));
lines.forEach((element) => buffer.write('$element\n'));
var body = c.body;
buffer.write('''
Expand All @@ -344,12 +347,14 @@ Future<ComponentParts> processFile(AnalysisContext context, String path,
var element = result.element;
var elementsList = <CompilationUnitElement>[element];
//analysis exports file
if(analysisExports){
if (analysisExports) {
//Most of SDK entrance files export other files.
//We need analysis all of them when we are compiling.
var exports = result.element.enclosingElement.exports;
if(exports != null){
var exportsUnits = exports?.map((e) => e.exportedLibrary.definingCompilationUnit)?.toList();
if (exports != null) {
var exportsUnits = exports
?.map((e) => e.exportedLibrary.definingCompilationUnit)
?.toList();
elementsList.addAll(exportsUnits);
}
}
Expand All @@ -376,8 +381,7 @@ Future<ComponentParts> processFile(AnalysisContext context, String path,
if (element.parameters != null && element.parameters.isNotEmpty) {
hasNamedConstructor = true;
}
defaultCache =
_writeMethod(buffer, element.name, element, defaultCache);
defaultCache = _writeMethod(buffer, element.name, element, defaultCache);
});
e.functionParameters.forEach((element) {
_writeFunctionParameter(
Expand All @@ -400,8 +404,7 @@ Future<ComponentParts> processFile(AnalysisContext context, String path,
}

e.staticMethods?.forEach((element) {
defaultCache =
_writeMethod(buffer, element.name, element, defaultCache);
defaultCache = _writeMethod(buffer, element.name, element, defaultCache);
});
});
if (!hasConstructor && exposedAPI != null && exposedAPI.isEmpty) return null;
Expand All @@ -411,9 +414,10 @@ Future<ComponentParts> processFile(AnalysisContext context, String path,
e.name,
e.constructor != null && e.constructor.isNotEmpty
? e.constructor[0].isWidget
: ((e.fields?.isNotEmpty == true && e.fields.elementAt(0)?.isWidget==true)
|| (e.staticMethods?.isNotEmpty == true && e.staticMethods.elementAt(0)?.isWidget==true)
),
: ((e.fields?.isNotEmpty == true &&
e.fields.elementAt(0)?.isWidget == true) ||
(e.staticMethods?.isNotEmpty == true &&
e.staticMethods.elementAt(0)?.isWidget == true)),
))
?.toList(growable: false),
buffer.toString(),
Expand Down Expand Up @@ -472,32 +476,34 @@ Map<String, dynamic> _writeMethod(StringBuffer buffer, String name,
var cName = '';
if (isList) {
if (p.displayName != null && p.displayName.contains('<')) {
cName = '<'+p.displayName.split('<')[1].split('>')[0]+'>';
cName = '<' + p.displayName.split('<')[1].split('>')[0] + '>';
}
}

if (p.defaultValueCode != null) {
if(isDouble){
if (isDouble) {
prop = 'props[\'${p.name}\']?.toDouble() ?? ${p.defaultValueCode},';
}else if(isList){
} else if (isList) {
prop = 'as${cName}(props[\'${p.name}\']) ?? ${p.defaultValueCode},';
}else{
} else {
prop = 'props[\'${p.name}\'] ?? ${p.defaultValueCode},';
}

defaultCache[p.name] = p.defaultValueCode;
} else if (defaultCache[p.name] != null) {
prop = isDouble
? 'props[\'${p.name}\']?.toDouble() ?? ${defaultCache[p.name]},'
: isList? 'as${cName}(props[\'${p.name}\']) ?? ${defaultCache[p.name]},'
: 'props[\'${p.name}\'] ?? ${defaultCache[p.name]},';
: isList
? 'as${cName}(props[\'${p.name}\']) ?? ${defaultCache[p.name]},'
: 'props[\'${p.name}\'] ?? ${defaultCache[p.name]},';
print(
'💕 using cached default value ${element.name} ${p.name}=> ${defaultCache[p.name]}');
} else {
prop = isDouble
? 'props[\'${p.name}\']?.toDouble(),'
: isList? 'as${cName}(props[\'${p.name}\']),'
: 'props[\'${p.name}\'],';
: isList
? 'as${cName}(props[\'${p.name}\']),'
: 'props[\'${p.name}\'],';
}
var namedDeclare = '${p.name}: $prop';
var positionDeclare =
Expand Down Expand Up @@ -605,7 +611,6 @@ abstract class Exposed {
}

class Constructor extends Method {

Constructor(String name, {List<Parameter> parameters, bool isWidget})
: super(name, parameters: parameters, isWidget: isWidget);

Expand All @@ -619,8 +624,7 @@ class Method extends Exposed {
final List<Parameter> parameters;
final bool isWidget;

Method(String name, {this.parameters, this.isWidget = true})
: super(name);
Method(String name, {this.parameters, this.isWidget = true}) : super(name);

@override
String toString() {
Expand Down Expand Up @@ -661,6 +665,7 @@ class Parameter {
final String type;
final bool isNamed;
final bool isOptional;

//暂时为了转化List
final String displayName;
final String defaultValueCode;
Expand Down Expand Up @@ -694,8 +699,39 @@ bool _invalidElement(Element element) {
///
/// We need to compile all of constructions when compile the SDK files.
///
List<ClassExposed> _visit(CompilationUnitElement unitElement,[bool isSdk = false]) {
List<ClassExposed> _visit(CompilationUnitElement unitElement,
[bool isSdk = false]) {
var exposed = <ClassExposed>[];
// 获取类的常量列表
var topLevelVariables = unitElement.topLevelVariables;

String getParameterDefaultValue(ParameterElement e) {
if (e.defaultValueCode == null || !e.defaultValueCode.startsWith('_')) {
return e.defaultValueCode;
}

var TopLevelVariableElement = topLevelVariables
.where((element) => element.name == e.defaultValueCode)
.first;
var value = TopLevelVariableElement?.computeConstantValue();
if (value == null) {
return null;
}
if (value.type.isDartCoreBool) {
return value.toBoolValue().toString();
}
if (value.type.isDartCoreInt) {
return value.toIntValue().toString();
}
if (value.type.isDartCoreObject) {
return value.toStringValue();
}
if (value.type.isDartCoreDouble) {
return value.toDoubleValue().toString();
}
return null;
}

// 枚举与class不同
var apis = [...unitElement.types, ...unitElement.enums];
for (var classElement in apis) {
Expand Down Expand Up @@ -730,15 +766,14 @@ List<ClassExposed> _visit(CompilationUnitElement unitElement,[bool isSdk = false
// params
var parameters = <Parameter>[];
if ((constructorElement?.parameters?.isNotEmpty) ?? false) {

constructorElement.parameters.forEach((e) {
parameters.add(Parameter(
type: e.type.name,
name: e.name,
displayName: e.type.displayName,
isNamed: e.isNamed,
isOptional: e.isOptional,
defaultValueCode: e.defaultValueCode,
defaultValueCode: getParameterDefaultValue(e),
));

if (e.type.name == null && e.type is FunctionType) {
Expand All @@ -749,7 +784,7 @@ List<ClassExposed> _visit(CompilationUnitElement unitElement,[bool isSdk = false
name: e.name,
isNamed: e.isNamed,
isOptional: e.isOptional,
defaultValueCode: e.defaultValueCode,
defaultValueCode: getParameterDefaultValue(e),
))
.toList(growable: false);

Expand Down Expand Up @@ -785,30 +820,32 @@ List<ClassExposed> _visit(CompilationUnitElement unitElement,[bool isSdk = false
}

var staticMethods = <Method>[];
for (var methodElement in classElement.methods){
String name ;
for (var methodElement in classElement.methods) {
String name;
if (!_invalidElement(methodElement) && methodElement.isStatic) {
name = '${classElement.name}.${methodElement.name}';
print(' 👉$name');
} else {
continue;
}
List<Parameter> parameters;
if (methodElement.parameters.isNotEmpty){
if (methodElement.parameters.isNotEmpty) {
parameters = methodElement.parameters
.map((e) => Parameter(
type: e.type.name,
name: e.name,
isNamed: e.isNamed,
isOptional: e.isOptional,
defaultValueCode: e.defaultValueCode
)).toList(growable: false);
type: e.type.name,
name: e.name,
isNamed: e.isNamed,
isOptional: e.isOptional,
defaultValueCode: getParameterDefaultValue(e)))
.toList(growable: false);
}
staticMethods.add(
Method(name, parameters: parameters, isWidget: isWidget));
staticMethods
.add(Method(name, parameters: parameters, isWidget: isWidget));
}

if (constructors.isNotEmpty || fields.isNotEmpty || staticMethods.isNotEmpty) {
if (constructors.isNotEmpty ||
fields.isNotEmpty ||
staticMethods.isNotEmpty) {
exposed.add(ClassExposed(
classElement.name,
constructor: constructors,
Expand Down