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authorAnthony Liguori <aliguori@us.ibm.com>2009-11-11 10:42:41 -0600
committerAnthony Liguori <aliguori@us.ibm.com>2009-11-17 08:49:39 -0600
commitb4748b9b943fa3a695aef49931fda8ac41702f24 (patch)
treee64c6bb8632279109ed0bc0f0eb6c4571b362f40 /qjson.c
parent4a5fcab7acc55495d0a617eeebbbeaebc1872dbf (diff)
Add a QObject JSON wrapper
This provides a QObject interface for creating QObjects from a JSON expression. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'qjson.c')
-rw-r--r--qjson.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/qjson.c b/qjson.c
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index 000000000..45207f243
--- /dev/null
+++ b/qjson.c
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+/*
+ * QObject JSON integration
+ *
+ * Copyright IBM, Corp. 2009
+ *
+ * Authors:
+ * Anthony Liguori <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#include "json-lexer.h"
+#include "json-parser.h"
+#include "json-streamer.h"
+#include "qjson.h"
+
+typedef struct JSONParsingState
+{
+ JSONMessageParser parser;
+ va_list *ap;
+ QObject *result;
+} JSONParsingState;
+
+static void parse_json(JSONMessageParser *parser, QList *tokens)
+{
+ JSONParsingState *s = container_of(parser, JSONParsingState, parser);
+ s->result = json_parser_parse(tokens, s->ap);
+}
+
+QObject *qobject_from_json(const char *string)
+{
+ JSONParsingState state = {};
+
+ json_message_parser_init(&state.parser, parse_json);
+ json_message_parser_feed(&state.parser, string, strlen(string));
+ json_message_parser_flush(&state.parser);
+ json_message_parser_destroy(&state.parser);
+
+ return state.result;
+}
+
+QObject *qobject_from_jsonf(const char *string, ...)
+{
+ JSONParsingState state = {};
+ va_list ap;
+
+ va_start(ap, string);
+ state.ap = &ap;
+
+ json_message_parser_init(&state.parser, parse_json);
+ json_message_parser_feed(&state.parser, string, strlen(string));
+ json_message_parser_flush(&state.parser);
+ json_message_parser_destroy(&state.parser);
+
+ va_end(ap);
+
+ return state.result;
+}