32 lines
975 B
Dart
32 lines
975 B
Dart
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final RegExp _equ = new RegExp(r'=$');
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final RegExp _sym = new RegExp(r'Symbol\("([^"]+)"\)');
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/// Supports accessing members of a Map as though they were actual members.
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///
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/// No longer requires reflection. :)
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@proxy
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class Extensible {
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/// A set of custom properties that can be assigned to the server.
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///
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/// Useful for configuration and extension.
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Map properties = {};
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noSuchMethod(Invocation invocation) {
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if (invocation.memberName != null) {
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String name = _sym.firstMatch(invocation.memberName.toString()).group(1);
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if (invocation.isMethod) {
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return Function.apply(properties[name], invocation.positionalArguments,
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invocation.namedArguments);
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} else if (invocation.isGetter) {
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return properties[name];
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} else if (invocation.isSetter) {
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return properties[name.replaceAll(_equ, '')] =
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invocation.positionalArguments.first;
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}
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}
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super.noSuchMethod(invocation);
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}
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}
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