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JsonMapper.js
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63 lines (49 loc) · 1.71 KB
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import { JsonData } from './JsonData.js';
import { JsonReader } from './JsonReader.js';
import { JsonToken } from './JsonToken.js';
import { JsonType } from './JsonType.js';
class JsonMapper {
static readValue(reader) {
reader.read();
if (reader.Token === JsonToken.ArrayEnd) return null;
let instance = new JsonData();
if (reader.Token === JsonToken.String) {
instance.setString(reader.Value);
return instance;
}
if (reader.Token === JsonToken.Double) {
instance.setDouble(reader.Value);
return instance;
}
if (reader.Token === JsonToken.Boolean) {
instance.setBoolean(reader.Value);
return instance;
}
if (reader.Token === JsonToken.Null) {
instance.setNull();
return instance;
}
if (reader.Token === JsonToken.ArrayStart) {
instance.setJsonType(JsonType.array);
while (true) {
let item = JsonMapper.readValue(reader);
if (item === null && reader.Token === JsonToken.ArrayEnd) break;
instance.add(item);
}
} else if (reader.Token === JsonToken.ObjectStart) {
instance.setJsonType(JsonType.object);
while (true) {
reader.read();
if (reader.Token === JsonToken.ObjectEnd) break;
let property = reader.Value;
instance.set(property, JsonMapper.readValue(reader));
}
}
return instance;
}
static toObject(json) {
let reader = new JsonReader(json);
return JsonMapper.readValue(reader);
}
}
export { JsonMapper };