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changeset 1802:ca98dee04e08 default tip

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add Parsers.json_null
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 21 Apr 2024 21:25:15 -0600
parents 32e77b071e09
children
files src/luan/Luan.java src/luan/modules/BasicLuan.java src/luan/modules/Parsers.luan
diffstat 3 files changed, 9 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/src/luan/Luan.java	Tue Mar 12 09:28:39 2024 -0600
+++ b/src/luan/Luan.java	Sun Apr 21 21:25:15 2024 -0600
@@ -423,14 +423,16 @@
 		return load(text,sourceName,persist,null);
 	}
 
-	public static Object toJava(Object obj) throws LuanException {
+	public static Object toJava(Object obj,Object nullValue) throws LuanException {
+		if( obj == nullValue )
+			return null;
 		if( !(obj instanceof LuanTable) )
 			return obj;
 		LuanTable tbl = (LuanTable)obj;
 		if( !tbl.isMap() ) {
 			List list = new ArrayList();
 			for( Object el : tbl.asList() ) {
-				list.add( toJava(el) );
+				list.add( toJava(el,nullValue) );
 			}
 			return list;
 		} else {
@@ -438,7 +440,7 @@
 			Iterator<Map.Entry> iter = tbl.rawIterator();
 			while( iter.hasNext() ) {
 				Map.Entry entry = iter.next();
-				map.put( toJava(entry.getKey()), toJava(entry.getValue()) );
+				map.put( toJava(entry.getKey(),nullValue), toJava(entry.getValue(),nullValue) );
 			}
 			return map;
 		}
--- a/src/luan/modules/BasicLuan.java	Tue Mar 12 09:28:39 2024 -0600
+++ b/src/luan/modules/BasicLuan.java	Sun Apr 21 21:25:15 2024 -0600
@@ -227,6 +227,8 @@
 		throw new LuanException("options must be table of function");
 	}
 
+	public static final Object json_null = new Object();
+
 	public static String json_string(Object obj,LuanTable options) throws LuanException {
 		JsonToString jts = new JsonToString();
 		if( options != null ) {
@@ -236,7 +238,7 @@
 				jts.compressed = compressed;
 			Utils.checkEmpty(options);
 		}
-		return jts.toString(Luan.toJava(obj));
+		return jts.toString(Luan.toJava(obj,json_null));
 	}
 
 	public static Object get_local_cloned(Luan luan,Object obj,Object key) {
--- a/src/luan/modules/Parsers.luan	Tue Mar 12 09:28:39 2024 -0600
+++ b/src/luan/modules/Parsers.luan	Sun Apr 21 21:25:15 2024 -0600
@@ -14,6 +14,7 @@
 Parsers.bbcode_encode = BBCode.encode
 Parsers.bbcode_parse = BBCodeLuan.parse
 Parsers.csv_to_list = Csv.toList
+Parsers.json_null = BasicLuan.json_null
 Parsers.json_string = BasicLuan.json_string
 Parsers.theme_to_luan = Theme.toLuan
 Parsers.xml_encode = XmlElement.encode