java-projects/Own-Programming-Language-Tutorial
1
0
Fork 0
mirror of https://github.com/aNNiMON/Own-Programming-Language-Tutorial.git synced 2024-09-20 00:34:20 +03:00
Code Issues Packages Projects Releases Wiki Activity

Конвертация в объект/значение вынесена в отдельный класс

Browse Source
This commit is contained in:
Victor 2016-08-02 23:06:21 +03:00
parent 07fd22914b
commit 148b6eff32
3 changed files with 100 additions and 82 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
src/main/java/com/annimon/ownlang/lib/ValueUtils.java Normal file
View File

@ -0,0 +1,83 @@
package com.annimon.ownlang.lib;
import java.util.Iterator;
import java.util.Map;
import org.json.JSONArray;
import org.json.JSONObject;
public final class ValueUtils {
public static Object toObject(Value val) {
switch (val.type()) {
case Types.ARRAY:
return toObject((ArrayValue) val);
case Types.MAP:
return toObject((MapValue) val);
case Types.NUMBER:
return val.raw();
case Types.STRING:
return val.asString();
default:
return JSONObject.NULL;
}
}
public static Object toObject(MapValue map) {
final JSONObject result = new JSONObject();
for (Map.Entry<Value, Value> entry : map) {
final String key = entry.getKey().asString();
final Object value = toObject(entry.getValue());
result.put(key, value);
}
return result;
}
public static Object toObject(ArrayValue array) {
final JSONArray result = new JSONArray();
for (Value value : array) {
result.put(toObject(value));
}
return result;
}
public static Value toValue(Object obj) {
if (obj instanceof JSONObject) {
return toValue((JSONObject) obj);
}
if (obj instanceof JSONArray) {
return toValue((JSONArray) obj);
}
if (obj instanceof String) {
return new StringValue((String) obj);
}
if (obj instanceof Number) {
return NumberValue.of(((Number) obj));
}
if (obj instanceof Boolean) {
return NumberValue.fromBoolean((Boolean) obj);
}
// NULL or other
return NumberValue.ZERO;
}
public static MapValue toValue(JSONObject json) {
final MapValue result = new MapValue(json.length());
final Iterator<String> it = json.keys();
while(it.hasNext()) {
final String key = it.next();
final Value value = toValue(json.get(key));
result.set(new StringValue(key), value);
}
return result;
}
public static ArrayValue toValue(JSONArray json) {
final int length = json.length();
final ArrayValue result = new ArrayValue(length);
for (int i = 0; i < length; i++) {
final Value value = toValue(json.get(i));
result.set(i, value);
}
return result;
}
}

53
src/main/java/com/annimon/ownlang/lib/modules/functions/json_decode.java
View File

@ -1,8 +1,12 @@
package com.annimon.ownlang.lib.modules.functions;
import com.annimon.ownlang.lib.*;
import java.util.Iterator;
import org.json.*;
import com.annimon.ownlang.lib.Arguments;
import com.annimon.ownlang.lib.Function;
import com.annimon.ownlang.lib.Value;
import com.annimon.ownlang.lib.ValueUtils;
import org.json.JSONException;
import org.json.JSONTokener;
public final class json_decode implements Function {
@ -12,50 +16,9 @@ public final class json_decode implements Function {
try {
final String jsonRaw = args[0].asString();
final Object root = new JSONTokener(jsonRaw).nextValue();
return process(root);
return ValueUtils.toValue(root);
} catch (JSONException ex) {
throw new RuntimeException("Error while parsing json", ex);
}
}
private Value process(Object obj) {
if (obj instanceof JSONObject) {
return process((JSONObject) obj);
}
if (obj instanceof JSONArray) {
return process((JSONArray) obj);
}
if (obj instanceof String) {
return new StringValue((String) obj);
}
if (obj instanceof Number) {
return NumberValue.of(((Number) obj));
}
if (obj instanceof Boolean) {
return NumberValue.fromBoolean((Boolean) obj);
}
// NULL or other
return NumberValue.ZERO;
}
private MapValue process(JSONObject json) {
final MapValue result = new MapValue(json.length());
final Iterator<String> it = json.keys();
while(it.hasNext()) {
final String key = it.next();
final Value value = process(json.get(key));
result.set(new StringValue(key), value);
}
return result;
}
private ArrayValue process(JSONArray json) {
final int length = json.length();
final ArrayValue result = new ArrayValue(length);
for (int i = 0; i < length; i++) {
final Value value = process(json.get(i));
result.set(i, value);
}
return result;
}
}

46
src/main/java/com/annimon/ownlang/lib/modules/functions/json_encode.java
View File

@ -1,8 +1,13 @@
package com.annimon.ownlang.lib.modules.functions;
import com.annimon.ownlang.lib.*;
import java.util.Map;
import org.json.*;
import com.annimon.ownlang.lib.Arguments;
import com.annimon.ownlang.lib.Function;
import com.annimon.ownlang.lib.StringValue;
import com.annimon.ownlang.lib.Value;
import com.annimon.ownlang.lib.ValueUtils;
import org.json.JSONException;
import org.json.JSONObject;
public final class json_encode implements Function {
@ -10,44 +15,11 @@ public final class json_encode implements Function {
public Value execute(Value... args) {
Arguments.check(1, args.length);
try {
final Object root = process(args[0]);
final Object root = ValueUtils.toObject(args[0]);
final String jsonRaw = JSONObject.valueToString(root);
return new StringValue(jsonRaw);
} catch (JSONException ex) {
throw new RuntimeException("Error while creating json", ex);
}
}
private Object process(Value val) {
switch (val.type()) {
case Types.ARRAY:
return process((ArrayValue) val);
case Types.MAP:
return process((MapValue) val);
case Types.NUMBER:
return val.raw();
case Types.STRING:
return val.asString();
default:
return JSONObject.NULL;
}
}
private Object process(MapValue map) {
final JSONObject result = new JSONObject();
for (Map.Entry<Value, Value> entry : map) {
final String key = entry.getKey().asString();
final Object value = process(entry.getValue());
result.put(key, value);
}
return result;
}
private Object process(ArrayValue array) {
final JSONArray result = new JSONArray();
for (Value value : array) {
result.put(process(value));
}
return result;
}
}