2022-01-29 18:00:48 +00:00
|
|
|
/* ========================================================================
|
|
|
|
* PlantUML : a free UML diagram generator
|
|
|
|
* ========================================================================
|
|
|
|
*
|
|
|
|
* (C) Copyright 2009-2021, Arnaud Roques
|
|
|
|
*
|
2023-02-22 18:43:48 +00:00
|
|
|
* Project Info: https://plantuml.com
|
2022-01-29 18:00:48 +00:00
|
|
|
*
|
|
|
|
* If you like this project or if you find it useful, you can support us at:
|
|
|
|
*
|
2023-02-22 18:43:48 +00:00
|
|
|
* https://plantuml.com/patreon (only 1$ per month!)
|
|
|
|
* https://plantuml.com/paypal
|
2022-01-29 18:00:48 +00:00
|
|
|
*
|
|
|
|
* This file is part of PlantUML.
|
|
|
|
*
|
|
|
|
* PlantUML is free software; you can redistribute it and/or modify it
|
|
|
|
* under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* PlantUML distributed in the hope that it will be useful, but
|
|
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
|
|
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
|
|
|
* License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public
|
|
|
|
* License along with this library; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
|
|
* USA.
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Original Author: Arnaud Roques
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
package net.sourceforge.plantuml.tim.stdlib;
|
|
|
|
|
|
|
|
import java.util.List;
|
|
|
|
import java.util.Map;
|
|
|
|
import java.util.Set;
|
|
|
|
|
|
|
|
import net.sourceforge.plantuml.json.JsonArray;
|
|
|
|
import net.sourceforge.plantuml.json.JsonObject;
|
|
|
|
import net.sourceforge.plantuml.json.JsonValue;
|
|
|
|
import net.sourceforge.plantuml.tim.EaterException;
|
|
|
|
import net.sourceforge.plantuml.tim.EaterExceptionLocated;
|
|
|
|
import net.sourceforge.plantuml.tim.TContext;
|
|
|
|
import net.sourceforge.plantuml.tim.TFunctionSignature;
|
|
|
|
import net.sourceforge.plantuml.tim.TMemory;
|
|
|
|
import net.sourceforge.plantuml.tim.expression.TValue;
|
2022-12-17 11:01:10 +00:00
|
|
|
import net.sourceforge.plantuml.utils.LineLocation;
|
2022-01-29 18:00:48 +00:00
|
|
|
|
|
|
|
public class GetJsonKey extends SimpleReturnFunction {
|
|
|
|
|
|
|
|
public TFunctionSignature getSignature() {
|
|
|
|
return new TFunctionSignature("%get_json_keys", 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
public boolean canCover(int nbArg, Set<String> namedArgument) {
|
|
|
|
return nbArg == 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
public TValue executeReturnFunction(TContext context, TMemory memory, LineLocation location, List<TValue> values,
|
|
|
|
Map<String, TValue> named) throws EaterException, EaterExceptionLocated {
|
|
|
|
final TValue data = values.get(0);
|
|
|
|
if (data.isJson() == false)
|
|
|
|
throw EaterException.unlocated("Not JSON data");
|
|
|
|
final JsonValue json = data.toJson();
|
|
|
|
if (json.isObject()) {
|
|
|
|
final JsonObject object = (JsonObject) json;
|
|
|
|
final JsonArray result = new JsonArray();
|
|
|
|
for (String key : object.names())
|
|
|
|
result.add(key);
|
|
|
|
return TValue.fromJson(result);
|
|
|
|
}
|
|
|
|
if (json.isArray()) {
|
|
|
|
final JsonArray array = (JsonArray) json;
|
|
|
|
final JsonArray result = new JsonArray();
|
|
|
|
for (JsonValue tmp : array) {
|
|
|
|
final JsonObject object = (JsonObject) tmp;
|
|
|
|
for (String key : object.names())
|
|
|
|
result.add(key);
|
|
|
|
}
|
|
|
|
return TValue.fromJson(result);
|
|
|
|
}
|
|
|
|
|
|
|
|
throw EaterException.unlocated("Bad JSON type");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|