added save_file and save_string methods

diff --git a/janssonxx.h b/janssonxx.h
index 9085652..46e53e8 100644 (file)
--- a/janssonxx.h
+++ b/janssonxx.h
@@ -49,6 +49,16 @@ public:
                return Value().take_ownership(json_loads(string, error));
        }
 
+       // write the value to a file
+       int save_file(const char* path, int flags = JSON_INDENT(2)) const {
+               return json_dump_file(_value, path, flags);
+       }
+
+       // write the value to a string (caller must deallocate with free()!)
+       char* save_string(int flags = JSON_INDENT(2)) const {
+               return json_dumps(_value, flags);
+       }
+
        // construct Value from input
        static Value from(const char* value) { return Value().take_ownership(json_string(value)); }
        static Value from(const std::string& value) { return from(value.c_str()); }

diff --git a/test.cc b/test.cc
index 531db58..daacbea 100644 (file)
--- a/test.cc
+++ b/test.cc
@@ -1,5 +1,6 @@
 #include <iostream>
 #include <iomanip>
+#include <malloc.h>
 
 #include "janssonxx.h"
 
@@ -108,5 +109,13 @@ int main() {
        e3.clear();
        ASSERT_EQ(e3.size(), 0, "e3 has incorrect number of properties after clear");
 
+       e3 = jansson::Value::object();
+       e3.set("foo", jansson::Value::from("test"));
+       e3.set("bar", jansson::Value::from(3));
+       char* out_cstr = e3.save_string(0);
+       string out(out_cstr);
+       free(out_cstr);
+       ASSERT_EQ(out, "{\"bar\": 3,\"foo\": \"test\"}\n", "object did not serialize as expected");
+
        return 0;
 }