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; ptr = qstring_get_str(val); qstring_append(str, "\""); while (*ptr) { if ((ptr[0] & 0xE0) == 0xE0 && (ptr[1] & 0x80) && (ptr[2] & 0x80)) { uint16_t wchar; char escape[7]; wchar = (ptr[0] & 0x0F) << 12; wchar |= (ptr[1] & 0x3F) << 6; wchar |= (ptr[2] & 0x3F); ptr += 2; snprintf(escape, sizeof(escape), "\\u%04X", wchar); qstring_append(str, escape); } else if ((ptr[0] & 0xE0) == 0xC0 && (ptr[1] & 0x80)) { uint16_t wchar; char escape[7]; wchar = (ptr[0] & 0x1F) << 6; wchar |= (ptr[1] & 0x3F); ptr++; snprintf(escape, sizeof(escape), "\\u%04X", wchar); qstring_append(str, escape); } else switch (ptr[0]) { 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 (ptr[0] <= 0x1F) { char escape[7]; snprintf(escape, sizeof(escape), "\\u%04X", ptr[0]); qstring_append(str, escape); } else { char buf[2] = { ptr[0], 0 }; qstring_append(str, buf); } break; } } ptr++; } 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; } }