mirror of
https://github.com/aNNiMON/Own-Programming-Language-Tutorial.git
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Возможность задать отступ в jsonencode
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parent
23ed9e6d04
commit
d3b5d9f059
@ -1,133 +1,133 @@
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package com.annimon.ownlang.lib;
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import com.annimon.ownlang.exceptions.TypeException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.Iterator;
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import java.util.Map;
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import org.json.JSONArray;
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import org.json.JSONObject;
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public final class ValueUtils {
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private ValueUtils() { }
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public static Object toObject(Value val) {
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switch (val.type()) {
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case Types.ARRAY:
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return toObject((ArrayValue) val);
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case Types.MAP:
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return toObject((MapValue) val);
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case Types.NUMBER:
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return val.raw();
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case Types.STRING:
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return val.asString();
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default:
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return JSONObject.NULL;
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}
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}
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public static Object toObject(MapValue map) {
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final JSONObject result = new JSONObject();
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for (Map.Entry<Value, Value> entry : map) {
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final String key = entry.getKey().asString();
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final Object value = toObject(entry.getValue());
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result.put(key, value);
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}
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return result;
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}
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public static Object toObject(ArrayValue array) {
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final JSONArray result = new JSONArray();
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for (Value value : array) {
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result.put(toObject(value));
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}
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return result;
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}
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public static Value toValue(Object obj) {
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if (obj instanceof JSONObject) {
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return toValue((JSONObject) obj);
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}
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if (obj instanceof JSONArray) {
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return toValue((JSONArray) obj);
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}
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if (obj instanceof String) {
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return new StringValue((String) obj);
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}
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if (obj instanceof Number) {
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return NumberValue.of(((Number) obj));
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}
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if (obj instanceof Boolean) {
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return NumberValue.fromBoolean((Boolean) obj);
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}
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// NULL or other
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return NumberValue.ZERO;
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}
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public static MapValue toValue(JSONObject json) {
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final MapValue result = new MapValue(json.length());
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final Iterator<String> it = json.keys();
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while(it.hasNext()) {
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final String key = it.next();
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final Value value = toValue(json.get(key));
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result.set(new StringValue(key), value);
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}
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return result;
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}
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public static ArrayValue toValue(JSONArray json) {
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final int length = json.length();
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final ArrayValue result = new ArrayValue(length);
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for (int i = 0; i < length; i++) {
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final Value value = toValue(json.get(i));
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result.set(i, value);
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}
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return result;
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}
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public static Number getNumber(Value value) {
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if (value.type() == Types.NUMBER) return ((NumberValue) value).raw();
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return value.asInt();
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}
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public static float getFloatNumber(Value value) {
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if (value.type() == Types.NUMBER) return ((NumberValue) value).raw().floatValue();
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return (float) value.asNumber();
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}
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public static byte[] toByteArray(ArrayValue array) {
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final int size = array.size();
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final byte[] result = new byte[size];
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for (int i = 0; i < size; i++) {
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result[i] = (byte) array.get(i).asInt();
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}
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return result;
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}
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public static Function consumeFunction(Value value, int argumentNumber) {
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return consumeFunction(value, " at argument " + (argumentNumber + 1));
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}
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public static Function consumeFunction(Value value, String errorMessage) {
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final int type = value.type();
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if (type != Types.FUNCTION) {
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throw new TypeException("Function expected" + errorMessage
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+ ", but found " + Types.typeToString(type));
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}
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return ((FunctionValue) value).getValue();
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}
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public static <T extends Number> MapValue collectNumberConstants(Class<?> clazz, Class<T> type) {
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MapValue result = new MapValue(20);
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for (Field field : clazz.getDeclaredFields()) {
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if (!Modifier.isStatic(field.getModifiers())) continue;
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if (!field.getType().equals(type)) continue;
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try {
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result.set(field.getName(), NumberValue.of((T) field.get(type)));
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} catch (IllegalAccessException ignore) {
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}
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}
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return result;
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}
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}
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package com.annimon.ownlang.lib;
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import com.annimon.ownlang.exceptions.TypeException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.Iterator;
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import java.util.Map;
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import org.json.JSONArray;
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import org.json.JSONObject;
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public final class ValueUtils {
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private ValueUtils() { }
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public static Object toObject(Value val) {
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switch (val.type()) {
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case Types.ARRAY:
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return toObject((ArrayValue) val);
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case Types.MAP:
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return toObject((MapValue) val);
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case Types.NUMBER:
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return val.raw();
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case Types.STRING:
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return val.asString();
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default:
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return JSONObject.NULL;
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}
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}
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public static JSONObject toObject(MapValue map) {
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final JSONObject result = new JSONObject();
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for (Map.Entry<Value, Value> entry : map) {
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final String key = entry.getKey().asString();
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final Object value = toObject(entry.getValue());
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result.put(key, value);
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}
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return result;
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}
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public static JSONArray toObject(ArrayValue array) {
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final JSONArray result = new JSONArray();
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for (Value value : array) {
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result.put(toObject(value));
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}
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return result;
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}
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public static Value toValue(Object obj) {
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if (obj instanceof JSONObject) {
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return toValue((JSONObject) obj);
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}
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if (obj instanceof JSONArray) {
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return toValue((JSONArray) obj);
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}
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if (obj instanceof String) {
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return new StringValue((String) obj);
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}
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if (obj instanceof Number) {
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return NumberValue.of(((Number) obj));
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}
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if (obj instanceof Boolean) {
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return NumberValue.fromBoolean((Boolean) obj);
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}
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// NULL or other
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return NumberValue.ZERO;
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}
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public static MapValue toValue(JSONObject json) {
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final MapValue result = new MapValue(json.length());
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final Iterator<String> it = json.keys();
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while(it.hasNext()) {
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final String key = it.next();
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final Value value = toValue(json.get(key));
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result.set(new StringValue(key), value);
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}
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return result;
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}
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public static ArrayValue toValue(JSONArray json) {
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final int length = json.length();
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final ArrayValue result = new ArrayValue(length);
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for (int i = 0; i < length; i++) {
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final Value value = toValue(json.get(i));
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result.set(i, value);
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}
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return result;
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}
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public static Number getNumber(Value value) {
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if (value.type() == Types.NUMBER) return ((NumberValue) value).raw();
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return value.asInt();
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}
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public static float getFloatNumber(Value value) {
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if (value.type() == Types.NUMBER) return ((NumberValue) value).raw().floatValue();
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return (float) value.asNumber();
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}
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public static byte[] toByteArray(ArrayValue array) {
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final int size = array.size();
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final byte[] result = new byte[size];
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for (int i = 0; i < size; i++) {
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result[i] = (byte) array.get(i).asInt();
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}
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return result;
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}
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public static Function consumeFunction(Value value, int argumentNumber) {
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return consumeFunction(value, " at argument " + (argumentNumber + 1));
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}
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public static Function consumeFunction(Value value, String errorMessage) {
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final int type = value.type();
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if (type != Types.FUNCTION) {
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throw new TypeException("Function expected" + errorMessage
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+ ", but found " + Types.typeToString(type));
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}
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return ((FunctionValue) value).getValue();
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}
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public static <T extends Number> MapValue collectNumberConstants(Class<?> clazz, Class<T> type) {
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MapValue result = new MapValue(20);
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for (Field field : clazz.getDeclaredFields()) {
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if (!Modifier.isStatic(field.getModifiers())) continue;
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if (!field.getType().equals(type)) continue;
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try {
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result.set(field.getName(), NumberValue.of((T) field.get(type)));
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} catch (IllegalAccessException ignore) {
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}
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}
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return result;
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}
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}
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@ -1,25 +1,57 @@
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package com.annimon.ownlang.modules.json;
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import com.annimon.ownlang.lib.Arguments;
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import com.annimon.ownlang.lib.ArrayValue;
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import com.annimon.ownlang.lib.Function;
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import com.annimon.ownlang.lib.MapValue;
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import com.annimon.ownlang.lib.StringValue;
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import com.annimon.ownlang.lib.Types;
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import com.annimon.ownlang.lib.Value;
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import com.annimon.ownlang.lib.ValueUtils;
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import org.json.JSONException;
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import org.json.JSONObject;
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import org.json.JSONWriter;
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public final class json_encode implements Function {
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@Override
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public Value execute(Value... args) {
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Arguments.check(1, args.length);
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public Value execute(Value[] args) {
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Arguments.checkOrOr(1, 2, args.length);
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try {
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final Object root = ValueUtils.toObject(args[0]);
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final String jsonRaw = JSONObject.valueToString(root);
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final int indent;
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if (args.length == 2) {
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indent = args[1].asInt();
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} else {
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indent = 0;
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}
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final String jsonRaw;
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if (indent > 0) {
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jsonRaw = format(args[0], indent);
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} else {
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final Object root = ValueUtils.toObject(args[0]);
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jsonRaw = JSONWriter.valueToString(root);
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}
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return new StringValue(jsonRaw);
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} catch (JSONException ex) {
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throw new RuntimeException("Error while creating json", ex);
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}
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}
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private String format(Value val, int indent) {
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switch (val.type()) {
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case Types.ARRAY:
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return ValueUtils.toObject((ArrayValue) val).toString(indent);
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case Types.MAP:
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return ValueUtils.toObject((MapValue) val).toString(indent);
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case Types.NUMBER:
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return JSONWriter.valueToString(val.raw());
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case Types.STRING:
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return JSONWriter.valueToString(val.asString());
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default:
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return JSONWriter.valueToString(JSONObject.NULL);
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}
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}
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}
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