LineageOS/android_external_json-c
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Add a json_set_serializer() function to allow the string output of a json_object to be customized.

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This commit is contained in:
Eric Haszlakiewicz
2012-09-02 15:21:56 -05:00
parent f74e8f8f9b
commit 38f421a2e7
8 changed files with 214 additions and 10 deletions
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72
json_object.c
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@@ -46,6 +46,13 @@ const char *json_hex_chars = "0123456789abcdefABCDEF";
static void json_object_generic_delete(struct json_object* jso);
static struct json_object* json_object_new(enum json_type o_type);
static json_object_to_json_string_fn json_object_object_to_json_string;
static json_object_to_json_string_fn json_object_boolean_to_json_string;
static json_object_to_json_string_fn json_object_int_to_json_string;
static json_object_to_json_string_fn json_object_double_to_json_string;
static json_object_to_json_string_fn json_object_string_to_json_string;
static json_object_to_json_string_fn json_object_array_to_json_string;
/* ref count debugging */
@@ -134,10 +141,16 @@ extern struct json_object* json_object_get(struct json_object *jso)
extern void json_object_put(struct json_object *jso)
{
if(jso) {
jso->_ref_count--;
if(!jso->_ref_count) jso->_delete(jso);
}
if(jso)
{
jso->_ref_count--;
if(!jso->_ref_count)
{
if (jso->_user_delete)
jso->_user_delete(jso, jso->_userdata);
jso->_delete(jso);
}
}
}
@@ -187,6 +200,57 @@ enum json_type json_object_get_type(struct json_object *jso)
return jso->o_type;
}
/* set a custom conversion to string */
void json_object_set_serializer(json_object *jso,
json_object_to_json_string_fn to_string_func,
void *userdata,
json_object_delete_fn *user_delete)
{
// First, clean up any previously existing user info
if (jso->_user_delete)
{
jso->_user_delete(jso, jso->_userdata);
}
jso->_userdata = NULL;
jso->_user_delete = NULL;
if (to_string_func == NULL)
{
// Reset to the standard serialization function
switch(jso->o_type)
{
case json_type_null:
jso->_to_json_string = NULL;
break;
case json_type_boolean:
jso->_to_json_string = &json_object_boolean_to_json_string;
break;
case json_type_double:
jso->_to_json_string = &json_object_double_to_json_string;
break;
case json_type_int:
jso->_to_json_string = &json_object_int_to_json_string;
break;
case json_type_object:
jso->_to_json_string = &json_object_object_to_json_string;
break;
case json_type_array:
jso->_to_json_string = &json_object_array_to_json_string;
break;
case json_type_string:
jso->_to_json_string = &json_object_string_to_json_string;
break;
}
return;
}
jso->_to_json_string = to_string_func;
jso->_userdata = userdata;
jso->_user_delete = user_delete;
}
/* extended conversion to string */
const char* json_object_to_json_string_ext(struct json_object *jso, int flags)