diff options
Diffstat (limited to 'contrib/qemu/qobject/qjson.c')
-rw-r--r-- | contrib/qemu/qobject/qjson.c | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/contrib/qemu/qobject/qjson.c b/contrib/qemu/qobject/qjson.c deleted file mode 100644 index 19085a1bb7f..00000000000 --- a/contrib/qemu/qobject/qjson.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * 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 "qapi/qmp/json-lexer.h" -#include "qapi/qmp/json-parser.h" -#include "qapi/qmp/json-streamer.h" -#include "qapi/qmp/qjson.h" -#include "qapi/qmp/qint.h" -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/qbool.h" -#include "qapi/qmp/qfloat.h" -#include "qapi/qmp/qdict.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_jsonv(const char *string, va_list *ap) -{ - JSONParsingState state = {}; - - 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); - - return state.result; -} - -QObject *qobject_from_json(const char *string) -{ - return qobject_from_jsonv(string, NULL); -} - -/* - * IMPORTANT: This function aborts on error, thus it must not - * be used with untrusted arguments. - */ -QObject *qobject_from_jsonf(const char *string, ...) -{ - QObject *obj; - va_list ap; - - va_start(ap, string); - obj = qobject_from_jsonv(string, &ap); - va_end(ap); - - assert(obj != NULL); - return obj; -} - -typedef struct ToJsonIterState -{ - int indent; - int pretty; - int count; - QString *str; -} ToJsonIterState; - -static void to_json(const QObject *obj, QString *str, int pretty, int indent); - -static void to_json_dict_iter(const char *key, QObject *obj, void *opaque) -{ - ToJsonIterState *s = opaque; - QString *qkey; - int j; - - if (s->count) - qstring_append(s->str, ", "); - - if (s->pretty) { - qstring_append(s->str, "\n"); - for (j = 0 ; j < s->indent ; j++) - qstring_append(s->str, " "); - } - - qkey = qstring_from_str(key); - to_json(QOBJECT(qkey), s->str, s->pretty, s->indent); - QDECREF(qkey); - - qstring_append(s->str, ": "); - to_json(obj, s->str, s->pretty, s->indent); - s->count++; -} - -static void to_json_list_iter(QObject *obj, void *opaque) -{ - ToJsonIterState *s = opaque; - int j; - - if (s->count) - qstring_append(s->str, ", "); - - if (s->pretty) { - qstring_append(s->str, "\n"); - for (j = 0 ; j < s->indent ; j++) - qstring_append(s->str, " "); - } - - to_json(obj, s->str, s->pretty, s->indent); - s->count++; -} - -static void to_json(const QObject *obj, QString *str, int pretty, int indent) -{ - switch (qobject_type(obj)) { - case QTYPE_QINT: { - QInt *val = qobject_to_qint(obj); - char buffer[1024]; - - snprintf(buffer, sizeof(buffer), "%" PRId64, qint_get_int(val)); - qstring_append(str, buffer); - break; - } - case QTYPE_QSTRING: { - QString *val = qobject_to_qstring(obj); - const char *ptr; - int cp; - char buf[16]; - char *end; - - ptr = qstring_get_str(val); - qstring_append(str, "\""); - - for (; *ptr; ptr = end) { - cp = mod_utf8_codepoint(ptr, 6, &end); - switch (cp) { - case '\"': - qstring_append(str, "\\\""); - break; - case '\\': - qstring_append(str, "\\\\"); - break; - case '\b': - qstring_append(str, "\\b"); - break; - case '\f': - qstring_append(str, "\\f"); - break; - case '\n': - qstring_append(str, "\\n"); - break; - case '\r': - qstring_append(str, "\\r"); - break; - case '\t': - qstring_append(str, "\\t"); - break; - default: - if (cp < 0) { - cp = 0xFFFD; /* replacement character */ - } - if (cp > 0xFFFF) { - /* beyond BMP; need a surrogate pair */ - snprintf(buf, sizeof(buf), "\\u%04X\\u%04X", - 0xD800 + ((cp - 0x10000) >> 10), - 0xDC00 + ((cp - 0x10000) & 0x3FF)); - } else if (cp < 0x20 || cp >= 0x7F) { - snprintf(buf, sizeof(buf), "\\u%04X", cp); - } else { - buf[0] = cp; - buf[1] = 0; - } - qstring_append(str, buf); - } - }; - - qstring_append(str, "\""); - break; - } - case QTYPE_QDICT: { - ToJsonIterState s; - QDict *val = qobject_to_qdict(obj); - - s.count = 0; - s.str = str; - s.indent = indent + 1; - s.pretty = pretty; - qstring_append(str, "{"); - qdict_iter(val, to_json_dict_iter, &s); - if (pretty) { - int j; - qstring_append(str, "\n"); - for (j = 0 ; j < indent ; j++) - qstring_append(str, " "); - } - qstring_append(str, "}"); - break; - } - case QTYPE_QLIST: { - ToJsonIterState s; - QList *val = qobject_to_qlist(obj); - - s.count = 0; - s.str = str; - s.indent = indent + 1; - s.pretty = pretty; - qstring_append(str, "["); - qlist_iter(val, (void *)to_json_list_iter, &s); - if (pretty) { - int j; - qstring_append(str, "\n"); - for (j = 0 ; j < indent ; j++) - qstring_append(str, " "); - } - qstring_append(str, "]"); - break; - } - case QTYPE_QFLOAT: { - QFloat *val = qobject_to_qfloat(obj); - char buffer[1024]; - int len; - - len = snprintf(buffer, sizeof(buffer), "%f", qfloat_get_double(val)); - while (len > 0 && buffer[len - 1] == '0') { - len--; - } - - if (len && buffer[len - 1] == '.') { - buffer[len - 1] = 0; - } else { - buffer[len] = 0; - } - - qstring_append(str, buffer); - break; - } - case QTYPE_QBOOL: { - QBool *val = qobject_to_qbool(obj); - - if (qbool_get_int(val)) { - qstring_append(str, "true"); - } else { - qstring_append(str, "false"); - } - break; - } - case QTYPE_QERROR: - /* XXX: should QError be emitted? */ - case QTYPE_NONE: - break; - } -} - -QString *qobject_to_json(const QObject *obj) -{ - QString *str = qstring_new(); - - to_json(obj, str, 0, 0); - - return str; -} - -QString *qobject_to_json_pretty(const QObject *obj) -{ - QString *str = qstring_new(); - - to_json(obj, str, 1, 0); - - return str; -} |