diff options
author | Anthony Liguori <aliguori@us.ibm.com> | 2009-11-11 10:38:59 -0600 |
---|---|---|
committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-11-17 08:49:39 -0600 |
commit | d7ff3acbb4496ecae92d7ce1d52579d55b19da2f (patch) | |
tree | 896a7ca9bd61da53342373fe5bfcddad834ff108 /json-streamer.h | |
parent | 5ab8558d9b7e9a5e4ceb0d86f54df7391af3543d (diff) | |
download | qemu-d7ff3acbb4496ecae92d7ce1d52579d55b19da2f.zip qemu-d7ff3acbb4496ecae92d7ce1d52579d55b19da2f.tar.gz qemu-d7ff3acbb4496ecae92d7ce1d52579d55b19da2f.tar.bz2 |
Add a JSON message boundary identifier
The second stage of our JSON parser is a simple state machine that identifies
individual JSON values by counting the levels of nesting of tokens. It does
not perform grammar validation. We use this to emit a full JSON value to the
parser.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'json-streamer.h')
-rw-r--r-- | json-streamer.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/json-streamer.h b/json-streamer.h new file mode 100644 index 0000000..09f3bd7 --- /dev/null +++ b/json-streamer.h @@ -0,0 +1,39 @@ +/* + * JSON streaming support + * + * 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. + * + */ + +#ifndef QEMU_JSON_STREAMER_H +#define QEMU_JSON_STREAMER_H + +#include "qlist.h" +#include "json-lexer.h" + +typedef struct JSONMessageParser +{ + void (*emit)(struct JSONMessageParser *parser, QList *tokens); + JSONLexer lexer; + int brace_count; + int bracket_count; + QList *tokens; +} JSONMessageParser; + +void json_message_parser_init(JSONMessageParser *parser, + void (*func)(JSONMessageParser *, QList *)); + +int json_message_parser_feed(JSONMessageParser *parser, + const char *buffer, size_t size); + +int json_message_parser_flush(JSONMessageParser *parser); + +void json_message_parser_destroy(JSONMessageParser *parser); + +#endif |