add todo

Author: taowen

demo/src/test/java/com/jsoniter/demo/LazyAny.java

@@ -3,6 +3,7 @@
 import com.jsoniter.any.Any;
 import com.jsoniter.JsonIterator;
 import com.jsoniter.Slice;
+import com.jsoniter.output.JsonStream;
 import org.junit.Test;
 import org.openjdk.jmh.Main;
 import org.openjdk.jmh.annotations.*;
@@ -12,6 +13,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -40,15 +42,23 @@ public static void main(String[] args) throws Exception {
         });
     }
 
+    public static class User {
+        public int index;
+        public String name;
+    }
+
     @Test
     public void test() throws IOException {
         benchSetup(null);
         System.out.println(jsoniter());
         System.out.println(jsoniter_object());
 
-        String input = "{'numbers': ['1', '2', ['3', '4']]}".replace('\'', '"');
-        String[] array = JsonIterator.deserialize(input).get("numbers", 2).as(String[].class);
-        System.out.println(Arrays.toString(array));
+        User tom = new User();
+        tom.index = 1;
+        tom.name = "tom";
+        Map<String, Any> tomAsMap = Any.wrap(tom).asMap();
+        tomAsMap.put("age", Any.wrap(17));
+        System.out.println(JsonStream.serialize(tomAsMap));
     }
 
     @Benchmark

src/main/java/com/jsoniter/IterImplForStreaming.java

@@ -180,6 +180,7 @@ final static Slice readSlice(JsonIterator iter) throws IOException {
             iter.head = end;
             return iter.reusableSlice;
         }
+        // TODO: avoid small memory allocation
         byte[] part1 = new byte[iter.tail - iter.head];
         System.arraycopy(iter.buf, iter.head, part1, 0, part1.length);
         for (; ; ) {
@@ -284,6 +285,7 @@ final static byte readByte(JsonIterator iter) throws IOException {
     }
 
     public static Any readAny(JsonIterator iter) throws IOException {
+        // TODO: avoid small memory allocation
         iter.skipStartedAt = iter.head;
         byte c = IterImpl.nextToken(iter);
         switch (c) {

src/main/java/com/jsoniter/JsonIterator.java

@@ -23,7 +23,7 @@ public class JsonIterator implements Closeable {
     int tail;
     int skipStartedAt = -1; // skip should keep bytes starting at this pos
 
-    Map<String, Object> tempObjects = new HashMap<String, Object>();
+    Map<String, Object> tempObjects = null; // used in reflection object decoder
     final Slice reusableSlice = new Slice(null, 0, 0);
     char[] reusableChars = new char[32];
     Object existingObject = null; // the set should be bind to next

src/main/java/com/jsoniter/ReflectionObjectDecoder.java

@@ -179,6 +179,9 @@ private Object decode_(JsonIterator iter) throws Exception {
                 CodegenAccess.resetExistingObject(iter);
                 return null;
             }
+            if (iter.tempObjects == null) {
+                iter.tempObjects = new HashMap<String, Object>();
+            }
             Object[] temp = (Object[]) iter.tempObjects.get(tempCacheKey);
             if (temp == null) {
                 temp = new Object[tempCount];
@@ -266,6 +269,9 @@ private Object decode_(JsonIterator iter) throws Exception {
             }
             Map<String, Object> extra = null;
             long tracker = 0L;
+            if (iter.tempObjects == null) {
+                iter.tempObjects = new HashMap<String, Object>();
+            }
             Object[] temp = (Object[]) iter.tempObjects.get(tempCacheKey);
             if (temp == null) {
                 temp = new Object[tempCount];
@@ -388,6 +394,9 @@ private void applyWrappers(Object[] temp, Object obj) throws Exception {
     }
 
     private Object createNewObject(JsonIterator iter, Object[] temp) throws Exception {
+        if (iter.tempObjects == null) {
+            iter.tempObjects = new HashMap<String, Object>();
+        }
         Object[] ctorArgs = (Object[]) iter.tempObjects.get(ctorArgsCacheKey);
         if (ctorArgs == null) {
             ctorArgs = new Object[desc.ctor.parameters.size()];

src/main/java/com/jsoniter/any/Any.java

@@ -96,6 +96,14 @@ public Object object(Object... keys) {
 
     public abstract Object object();
 
+    public Map<String, Any> asMap() {
+        return (Map<String, Any>) object();
+    }
+
+    public List<Any> asList() {
+        return (List<Any>) object();
+    }
+
     public <T> T as(Class<T> clazz, Object... keys) {
         Any found = get(keys);
         if (found == null) {