--- parser3/src/classes/json.C	2010/09/20 02:23:46	1.7
+++ parser3/src/classes/json.C	2011/05/18 01:25:06	1.14
@@ -4,7 +4,7 @@
 	Copyright (c) 2010 ArtLebedev Group (http://www.artlebedev.com)
 */
 
-static const char * const IDENT_RESPONSE_C="$Date: 2010/09/20 02:23:46 $";
+static const char * const IDENT_RESPONSE_C="$Date: 2011/05/18 01:25:06 $";
 
 #include "classes.h"
 #include "pa_vmethod_frame.h"
@@ -16,13 +16,15 @@ static const char * const IDENT_RESPONSE
 #include "pa_charsets.h"
 #include "JSON_parser.h"
 
+#ifdef XML
+#include "pa_vxdoc.h"
+#endif
+
 // class
 
 class MJson: public Methoded {
 public:
 	MJson();
-public: // Methoded
-	bool used_directly() { return true; }
 };
 
 // global variable
@@ -94,7 +96,7 @@ String* json_string(Json *json, const JS
 
 static Value *json_hook(Request &r, Junction *hook, String* key, Value* value){
 	VMethodFrame frame(*hook->method, r.method_frame, hook->self);
-	Value *params[]={new VString(*key), value};
+	Value *params[]={new VString(key ? *key : String::Empty), value};
 
 	frame.store_params(params, 2);
 	r.execute_method(frame);
@@ -131,12 +133,13 @@ static int json_callback(Json *json, int
 		}
 		case JSON_T_ARRAY_BEGIN:{
 			VHash *v = new VHash();
-			set_json_value(json, v);
+			if (json->stack.count()) set_json_value(json, v);
 			json->stack.push(v);
 			break;
 		}
 		case JSON_T_ARRAY_END:
-			json->stack.pop();
+			// libjson supports array at top level, we too
+			json->result = json->stack.pop();
 			break;
 		case JSON_T_KEY:
 			json->key = json_string(json, value);
@@ -244,35 +247,66 @@ static void _parse(Request& r, MethodPar
 	if (json.result) r.write_no_lang(*json.result);
 }
 
-const String& value_json_string(Value& v, Json_options* options);
+char *get_indent(uint level){
+	static char* cache[ANTI_ENDLESS_JSON_STRING_RECOURSION]={};
+	if (!cache[level]){
+		char *result = 	static_cast<char*>(pa_gc_malloc_atomic(level+1));
+		memset(result, '\t', level);
+		result[level]='\0';
+		return cache[level]=result;
+	}
+	return cache[level];
+}
+
+const String& value_json_string(String::Body key, Value& v, Json_options* options);
 
 const String& hash_json_string(HashStringValue &hash, Json_options* options) {
 	if(!hash.count())
-		return *new String("{}");
+		return *new String("{}", String::L_AS_IS);
+
+	uint level = options->r->json_string_recoursion_go_down();
+
+	String& result = *new String("{\n", String::L_AS_IS);
+
+	if (options->indent){
+
+		String *delim=NULL;
+		options->indent=get_indent(level);
+		for(HashStringValue::Iterator i(hash); i; i.next() ){
+			if (delim){
+				result << *delim;
+			} else {
+				result << options->indent << "\"";
+				delim = new String(",\n", String::L_AS_IS); *delim << options->indent << "\"";
+			}
+			result << String(i.key(), String::L_JSON) << "\":" << value_json_string(i.key(), *i.value(), options);
+		}
+		result << "\n" << (options->indent=get_indent(level-1)) << "}";
+
+	} else {
 
-	options->r->json_string_recoursion_go_down();
+		bool need_delim=false;
+		for(HashStringValue::Iterator i(hash); i; i.next() ){
+			result << (need_delim ? ",\n\"" : "\"");
+			result << String(i.key(), String::L_JSON) << "\":" << value_json_string(i.key(), *i.value(), options);
+			need_delim=true;
+		}
+		result << "\n}";
 
-	String& result = *new String("{");
-	bool need_delim=false;
-	for(HashStringValue::Iterator i(hash); i; i.next() ){
-		result << (need_delim ? ",\n\"" : "\"");
-		result << String(i.key(), String::L_JSON) << "\":" << value_json_string(*i.value(), options);
-		need_delim=true;
 	}
-	result << "}";
 
 	options->r->json_string_recoursion_go_up();
 	return result;
 }
 
-const String& value_json_string(Value& v, Json_options* options) {
+const String& value_json_string(String::Body key, Value& v, Json_options* options) {
 	if(options && options->methods)
 		if(Value* method=options->methods->get(v.type())){
 			Junction* junction=method->get_junction();
 			VMethodFrame frame(*junction->method, options->r->method_frame, junction->self);
 
-			Value *params[]={&v, (options->params) ? options->params : VVoid::get()};
-			frame.store_params(params, 2);
+			Value *params[]={new VString(*new String(key, String::L_JSON)), &v, (options->params) ? options->params : VVoid::get()};
+			frame.store_params(params, 3);
 
 			options->r->execute_method(frame);
 
@@ -293,6 +327,7 @@ static void _string(Request& r, MethodPa
 			json.params=params.get(1);
 			HashStringValue* methods=new HashStringValue();
 			int valid_options=0;
+			HashStringValue* vvalue;
 			for(HashStringValue::Iterator i(*options); i; i.next() ){
 				String::Body key=i.key();
 				Value* value=i.value();
@@ -304,19 +339,27 @@ static void _string(Request& r, MethodPa
 					if(!json.set_date_format(svalue))
 						throw Exception(PARSER_RUNTIME, &svalue, "must be 'sql-string', 'gmt-string' or 'unix-timestamp'");
 					valid_options++;
+				} else if(key == "indent"){
+					json.indent=r.process_to_value(*value).as_bool() ? "":NULL;
+					valid_options++;
 				} else if(key == "table" && value->is_string()){
 					const String& svalue=value->as_string();
 					if(!json.set_table_format(svalue))
-						throw Exception(PARSER_RUNTIME, &svalue, "must be 'array' or 'object'");
+						throw Exception(PARSER_RUNTIME, &svalue, "must be 'array', 'object' or 'compact'");
 					valid_options++;
 				} else if(key == "file" && value->is_string()){
 					const String& svalue=value->as_string();
 					if(!json.set_file_format(svalue))
 						throw Exception(PARSER_RUNTIME, &svalue, "must be 'base64' or 'text'");
 					valid_options++;
+#ifdef XML
+				} else if(key == "xdoc" && (vvalue = value->get_hash())){
+					json.xdoc_options=new XDocOutputOptions(r, vvalue);
+					valid_options++;
+#endif
 				} else if(Junction* junction=value->get_junction()){
-					if(!junction->method || !junction->method->params_names || junction->method->params_names->count() != 2)
-						throw Exception(PARSER_RUNTIME, 0, "$.%s must be parser method with 2 parameters", key);
+					if(!junction->method || !junction->method->params_names || junction->method->params_names->count() != 3)
+						throw Exception(PARSER_RUNTIME, 0, "$.%s must be parser method with 3 parameters", key.cstr());
 					methods->put(key, value);
 					valid_options++;
 				}
@@ -327,7 +370,9 @@ static void _string(Request& r, MethodPa
 				json.methods=methods;
 		}
 
-	r.write_pass_lang(value_json_string(params[0], &json));
+	const String& result_string=value_json_string(String::Body(), params[0], &json);
+	String::Body result_body=result_string.cstr_to_string_body_untaint(String::L_JSON, 0, &r.charsets);
+	r.write_pass_lang(*new String(result_body, String::L_AS_IS));
  }
 
 // constructor