自学教程：C++ yajl_alloc函数代码示例

struct aws_dynamo_create_table_response*aws_dynamo_parse_create_table_response(const char *response, int response_len){	yajl_handle hand;	yajl_status stat;	struct ctx _ctx = { 0 };	_ctx.r = calloc(sizeof(*(_ctx.r)), 1);	if (_ctx.r == NULL) {		Warnx("aws_dynamo_parse_create_table_response: response alloc failed.");		return NULL;	}#if YAJL_MAJOR == 2	hand = yajl_alloc(&handle_callbacks, NULL, &_ctx);	yajl_parse(hand, response, response_len);	stat = yajl_complete_parse(hand);#else	hand = yajl_alloc(&handle_callbacks, NULL, NULL, &_ctx);	yajl_parse(hand, response, response_len);	stat = yajl_parse_complete(hand);#endif	if (stat != yajl_status_ok) {		unsigned char *str = yajl_get_error(hand, 1, response, response_len);		Warnx("aws_dynamo_parse_create_table_response: json parse failed, '%s'", (const char *)str);		yajl_free_error(hand, str);		yajl_free(hand);		aws_dynamo_free_create_table_response(_ctx.r);		return NULL;	}	yajl_free(hand);	return _ctx.r;}

/* * Start parsing the received bar configuration json-string * */void parse_config_json(char *json) {    yajl_handle handle;    yajl_status state;#if YAJL_MAJOR < 2    yajl_parser_config parse_conf = { 0, 0 };    handle = yajl_alloc(&outputs_callbacks, &parse_conf, NULL, NULL);#else    handle = yajl_alloc(&outputs_callbacks, NULL, NULL);#endif    state = yajl_parse(handle, (const unsigned char*) json, strlen(json));    /* FIXME: Proper errorhandling for JSON-parsing */    switch (state) {        case yajl_status_ok:            break;        case yajl_status_client_canceled:#if YAJL_MAJOR < 2        case yajl_status_insufficient_data:#endif        case yajl_status_error:            ELOG("Could not parse config-reply!/n");            exit(EXIT_FAILURE);            break;    }    yajl_free(handle);}

/* XXX add an incremental streaming parser - yajl trivially supports it */virJSONValuePtr virJSONValueFromString(const char *jsonstring){    yajl_handle hand;    virJSONParser parser = { NULL, NULL, 0 };    virJSONValuePtr ret = NULL;# ifndef WITH_YAJL2    yajl_parser_config cfg = { 1, 1 };# endif    VIR_DEBUG("string=%s", jsonstring);# ifdef WITH_YAJL2    hand = yajl_alloc(&parserCallbacks, NULL, &parser);    if (hand) {        yajl_config(hand, yajl_allow_comments, 1);        yajl_config(hand, yajl_dont_validate_strings, 0);    }# else    hand = yajl_alloc(&parserCallbacks, &cfg, NULL, &parser);# endif    if (!hand) {        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",                       _("Unable to create JSON parser"));        goto cleanup;    }    if (yajl_parse(hand,                   (const unsigned char *)jsonstring,                   strlen(jsonstring)) != yajl_status_ok) {        unsigned char *errstr = yajl_get_error(hand, 1,                                               (const unsigned char*)jsonstring,                                               strlen(jsonstring));        virReportError(VIR_ERR_INTERNAL_ERROR,                       _("cannot parse json %s: %s"),                       jsonstring, (const char*) errstr);        VIR_FREE(errstr);        virJSONValueFree(parser.head);        goto cleanup;    }    ret = parser.head;cleanup:    yajl_free(hand);    if (parser.nstate) {        size_t i;        for (i = 0; i < parser.nstate; i++) {            VIR_FREE(parser.state[i].key);        }        VIR_FREE(parser.state);    }    VIR_DEBUG("result=%p", parser.head);    return ret;}

void json_parse_to_ei(ErlDrvData session, const unsigned char* s, int len, int opts) {  int parseValue = opts & EEP0018_PARSE_VALUE;    unsigned char* yajl_msg = 0;  unsigned char* msg = 0;  ErlDrvPort port = (ErlDrvPort) session;  /*   * initialize yajl parser   */  State state;  init(&state, opts);    yajl_parser_config conf = { YAJL_ALLOW_COMMENTS }; // , YAJL_CHECK_UTF8 };  yajl_handle handle = yajl_alloc(&callbacks, &conf, &state);  /* start parser */  yajl_status stat;  if(parseValue) stat = yajl_parse(handle, (const unsigned char*) "[ ", 2);  stat = yajl_parse(handle, s, len);  if(parseValue) stat = yajl_parse(handle, (const unsigned char*) " ]", 2);  /*   * sometimes the parser is still stuck inside a JSON token. This finishs   * the token no matter what.   */  if(stat == yajl_status_insufficient_data)    stat = yajl_parse(handle, (const unsigned char*) " ", 1);  /*    * get an error message on errors   */  switch(stat) {    case yajl_status_ok: break;    case yajl_status_insufficient_data:       msg = (unsigned char*)"Insufficient data";       break;    default:      msg = yajl_msg = yajl_get_error(handle, 0, s, len);      break;  }  /*    * if result is not ok: we write {error, "reason"} instead. This is    * something that will never be encoded from any JSON data.   */  if(msg) {    ei_x_free(&state.ei_buf);    ei_x_new_with_version(&state.ei_buf);    ei_x_encode_tuple_header(&state.ei_buf, 2);    ei_x_encode_atom_len(&state.ei_buf, "error", 5);    ei_x_encode_string_len(&state.ei_buf, (const char*) msg, strlen((const char*) msg));    if(yajl_msg) yajl_free_error(yajl_msg);  }   send_data(port, EEP0018_EI, state.ei_buf.buff, state.ei_buf.index);  deinit(&state);}

inline bool __JSONParseWithString(__JSONRef json, CFStringRef string, CFErrorRef *error) {  bool success = 1;  json->yajlParser = yajl_alloc(&json->yajlParserCallbacks, &json->yajlAllocFuncs, (void *)json);  if (json->yajlParser) {//  yajl_config(json->yajlParser, yajl_allow_comments, kJSONReadOptionAllowComments | options ? 1 : 0);//  yajl_config(json->yajlParser, yajl_dont_validate_strings, kJSONReadOptionCheckUTF8 | options ? 1 : 0);      CFDataRef data = CFStringCreateExternalRepresentation(json->allocator, string, kCFStringEncodingUTF8, 0);    if (data) {      if ((json->yajlParserStatus = yajl_parse(json->yajlParser, CFDataGetBytePtr(data), CFDataGetLength(data))) != yajl_status_ok) {        if (error) {          success = 0;                    unsigned char * str = yajl_get_error(json->yajlParser, 1, CFDataGetBytePtr(data), CFDataGetLength(data));          fprintf(stderr, "%s", (const char *) str);          yajl_free_error(json->yajlParser, str);                    *error = CFErrorCreateWithUserInfoKeysAndValues(json->allocator, CFSTR("com.github.mirek.CoreJSON"), (CFIndex)json->yajlParserStatus, (const void *) { kCFErrorDescriptionKey }, (const void *) { CFSTR("Test") }, 1);        }        // TODO: Error stuff        //printf("ERROR: %s/n", yajl_get_error(json->yajlParser, 1, __JSONUTF8StringGetBuffer(utf8), __JSONUTF8StringGetMaximumSize(utf8)));      }          json->yajlParserStatus = yajl_complete_parse(json->yajlParser);      CFRelease(data);    } else {

static int js_parser(lua_State *L) {    yajl_handle* handle;    luaL_checktype(L, 1, LUA_TTABLE);    handle = (yajl_handle*)lua_newuserdata(L, sizeof(yajl_handle));    *handle = yajl_alloc(&js_parser_callbacks, NULL, (void*)L);    luaL_getmetatable(L, "yajl.parser.meta");    lua_setmetatable(L, -2);    lua_getfield(L, 1, "allow_comments");    if ( ! lua_isnil(L, -1) ) {        yajl_config(*handle, yajl_allow_comments, lua_toboolean(L, -1));    }    lua_pop(L, 1);    lua_getfield(L, 1, "check_utf8");    if ( ! lua_isnil(L, -1) ) {        yajl_config(*handle, yajl_dont_validate_strings, !lua_toboolean(L, -1));    }    lua_pop(L, 1);    lua_getfield(L, 1, "events");    /* Create callback function that calls yajl_parse[_complete]()           upvalue(1) = yajl_handle*      upvalue(2) = events table */    lua_pushcclosure(L, &js_parser_parse, 2);    return 1;}

static SLVALsl_json_parse(sl_vm_t* vm, SLVAL self, size_t argc, SLVAL* argv){    sl_string_t* str = sl_get_string(vm, argv[0]);    json_parse_t json;    yajl_alloc_funcs alloc_funcs = {        sl_yajl_alloc,        sl_yajl_realloc,        sl_yajl_free,        NULL    };    alloc_funcs.ctx = vm->arena;    json.vm = vm;    json.max_depth = 32;    json.stack_len = 0;    json.stack_cap = 32;    json.stack = sl_alloc(vm->arena, sizeof(SLVAL) * json.stack_cap);    json.type_stack = sl_alloc(vm->arena, json.stack_cap);    if(argc > 1) {        json.max_depth = sl_get_int(sl_expect(vm, argv[1], vm->lib.Int));    }        json.yajl = yajl_alloc(&callbacks, &alloc_funcs, &json);    sl_json_parse_check_error(vm, str, &json, yajl_parse(json.yajl, str->buff, str->buff_len));    sl_json_parse_check_error(vm, str, &json, yajl_complete_parse(json.yajl));    yajl_free(json.yajl);    /* must've been OK! */    return json.stack[0];            (void)self;}

static J4statusPluginContext *_j4status_i3bar_output_init(J4statusCoreInterface *core){    J4statusPluginContext *context;    context = g_new0(J4statusPluginContext, 1);    context->core = core;    context->colours.no_state    = NULL;    context->colours.unavailable = g_strdup("#0000FF");    context->colours.bad         = g_strdup("#FF0000");    context->colours.average     = g_strdup("#FFFF00");    context->colours.good        = g_strdup("#00FF00");    GKeyFile *key_file;    key_file = j4status_config_get_key_file("i3bar");    if ( key_file != NULL )    {        _j4status_i3bar_output_update_colour(&context->colours.no_state, key_file, "NoStateColour");        _j4status_i3bar_output_update_colour(&context->colours.unavailable, key_file, "UnavailableColour");        _j4status_i3bar_output_update_colour(&context->colours.bad, key_file, "BadColour");        _j4status_i3bar_output_update_colour(&context->colours.average, key_file, "AverageColour");        _j4status_i3bar_output_update_colour(&context->colours.good, key_file, "GoodColour");        context->align = g_key_file_get_boolean(key_file, "i3bar", "Align", NULL);        context->no_click_events = g_key_file_get_boolean(key_file, "i3bar", "NoClickEvents", NULL);        g_key_file_free(key_file);    }    context->json_handle = yajl_alloc(&_j4status_i3bar_output_click_events_callbacks, NULL, context);    return context;}

/* * Parse the JSON protocol header to determine protocol version and features. * In case the buffer does not contain a valid header (invalid JSON, or no * version field found), the 'correct' field of the returned header is set to * false. The amount of bytes consumed by parsing the header is returned in * *consumed (if non-NULL). * */void parse_json_header(i3bar_child *child, const unsigned char *buffer, int length, unsigned int *consumed) {    static yajl_callbacks version_callbacks = {        .yajl_boolean = header_boolean,        .yajl_integer = header_integer,        .yajl_map_key = &header_map_key,    };    child_init(child);    current_key = NO_KEY;    yajl_handle handle = yajl_alloc(&version_callbacks, NULL, child);    /* Allow trailing garbage. yajl 1 always behaves that way anyways, but for     * yajl 2, we need to be explicit. */    yajl_config(handle, yajl_allow_trailing_garbage, 1);    yajl_status state = yajl_parse(handle, buffer, length);    if (state != yajl_status_ok) {        child_init(child);        if (consumed != NULL)            *consumed = 0;    } else {        if (consumed != NULL)            *consumed = yajl_get_bytes_consumed(handle);    }    yajl_free(handle);}

static const char *parse_json(state_t *st, unsigned char *buf, size_t len){  yajl_parser_config cfg = {    1, /* allow comments */    0  /* don't check UTF-8 */  };  yajl_handle yh;  yajl_status ys;  const char *err=NULL;  alloc_funcs.ctx = st->env; /* will be passed to alloc funcs */  yh = yajl_alloc(&callbacks, &cfg, &alloc_funcs, st);  ys = yajl_parse(yh, buf, len);  if (ys == yajl_status_insufficient_data) {    ys = yajl_parse_complete(yh);  }  if (ys == yajl_status_insufficient_data) {    err = "unexpected end of document";  } else if (ys != yajl_status_ok) {    unsigned char *msg = yajl_get_error(yh, 0, NULL, 0);    strncpy(st->errmsg, (char *)msg, sizeof(st->errmsg)-1);    yajl_free_error(yh, msg);    st->errmsg[sizeof(st->errmsg)] = 0;    err = st->errmsg;  }  yajl_free(yh);  return err;}

/* * Start parsing the received JSON string * */void parse_outputs_json(char *json) {    struct outputs_json_params params;    params.outputs_walk = NULL;    params.cur_key = NULL;    params.json = json;    params.in_rect = false;    yajl_handle handle;    yajl_status state;    handle = yajl_alloc(&outputs_callbacks, NULL, (void *)&params);    state = yajl_parse(handle, (const unsigned char *)json, strlen(json));    /* FIXME: Proper errorhandling for JSON-parsing */    switch (state) {        case yajl_status_ok:            break;        case yajl_status_client_canceled:        case yajl_status_error:            ELOG("Could not parse outputs reply!/n");            exit(EXIT_FAILURE);            break;    }    yajl_free(handle);}

/* * Document-method: new * * call-seq: new([:symbolize_keys => true, [:allow_comments => false[, :check_utf8 => false]]]) * * :symbolize_keys will turn hash keys into Ruby symbols, defaults to false. * * :allow_comments will turn on/off the check for comments inside the JSON stream, defaults to true. * * :check_utf8 will validate UTF8 characters found in the JSON stream, defaults to true. */static VALUE rb_yajl_parser_new(int argc, VALUE * argv, VALUE klass) {    yajl_parser_wrapper * wrapper;    yajl_parser_config cfg;    VALUE opts, obj;    int allowComments = 1, checkUTF8 = 1, symbolizeKeys = 0;    /* Scan off config vars */    if (rb_scan_args(argc, argv, "01", &opts) == 1) {        Check_Type(opts, T_HASH);        if (rb_hash_aref(opts, sym_allow_comments) == Qfalse) {            allowComments = 0;        }        if (rb_hash_aref(opts, sym_check_utf8) == Qfalse) {            checkUTF8 = 0;        }        if (rb_hash_aref(opts, sym_symbolize_keys) == Qtrue) {            symbolizeKeys = 1;        }    }    cfg = (yajl_parser_config){allowComments, checkUTF8};    obj = Data_Make_Struct(klass, yajl_parser_wrapper, yajl_parser_wrapper_mark, yajl_parser_wrapper_free, wrapper);    wrapper->parser = yajl_alloc(&callbacks, &cfg, NULL, (void *)obj);    wrapper->nestedArrayLevel = 0;    wrapper->nestedHashLevel = 0;    wrapper->objectsFound = 0;    wrapper->symbolizeKeys = symbolizeKeys;    wrapper->builderStack = rb_ary_new();    wrapper->parse_complete_callback = Qnil;    rb_obj_call_init(obj, 0, 0);    return obj;}

static int cj_curl_perform (cj_t *db, CURL *curl) /* {{{ */{  int status;  long rc;  char *url;  yajl_handle yprev = db->yajl;  db->yajl = yajl_alloc (&ycallbacks, NULL, NULL, (void *)db);  if (db->yajl == NULL)  {    ERROR ("curl_json plugin: yajl_alloc failed.");    db->yajl = yprev;    return (-1);  }  url = NULL;  curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &url);  status = curl_easy_perform (curl);  if (status != 0)  {    ERROR ("curl_json plugin: curl_easy_perform failed with status %i: %s (%s)",           status, db->curl_errbuf, (url != NULL) ? url : "<null>");    yajl_free (db->yajl);    db->yajl = yprev;    return (-1);  }  curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &rc);  /* The response code is zero if a non-HTTP transport was used. */  if ((rc != 0) && (rc != 200))  {    ERROR ("curl_json plugin: curl_easy_perform failed with "        "response code %ld (%s)", rc, url);    yajl_free (db->yajl);    db->yajl = yprev;    return (-1);  }  status = yajl_parse_complete (db->yajl);  if (status != yajl_status_ok)  {    unsigned char *errmsg;    errmsg = yajl_get_error (db->yajl, /* verbose = */ 0,        /* jsonText = */ NULL, /* jsonTextLen = */ 0);    ERROR ("curl_json plugin: yajl_parse_complete failed: %s",        (char *) errmsg);    yajl_free_error (db->yajl, errmsg);    yajl_free (db->yajl);    db->yajl = yprev;    return (-1);  }  yajl_free (db->yajl);  db->yajl = yprev;  return (0);} /* }}} int cj_curl_perform */

struct aws_dynamo_put_item_response * aws_dynamo_parse_put_item_response(const char *response, int response_len, struct aws_dynamo_attribute *attributes, int num_attributes){	yajl_handle hand;	yajl_status stat;	struct put_item_ctx _ctx = { 0 };	_ctx.r = calloc(sizeof(*(_ctx.r)), 1);	if (_ctx.r == NULL) {		Warnx("aws_dynamo_parse_put_item_response: response alloc failed.");		return NULL;	}	if (num_attributes > 0) {		_ctx.r->attributes = malloc(sizeof(*(_ctx.r->attributes)) * num_attributes);		if (_ctx.r->attributes == NULL) {			Warnx("aws_dynamo_parse_put_item_response: attribute alloc failed.");			free(_ctx.r);			return NULL;		}		memcpy(_ctx.r->attributes, attributes, sizeof(*(attributes)) * num_attributes);		_ctx.r->num_attributes = num_attributes;	}#if YAJL_MAJOR == 2	hand = yajl_alloc(&put_item_callbacks, NULL, &_ctx);	yajl_parse(hand, response, response_len);	stat = yajl_complete_parse(hand);#else	hand = yajl_alloc(&put_item_callbacks, NULL, NULL, &_ctx);	yajl_parse(hand, response, response_len);	stat = yajl_parse_complete(hand);#endif	if (stat != yajl_status_ok) {		unsigned char *str =		    yajl_get_error(hand, 1, response, response_len);		Warnx("aws_dynamo_parse_put_item_response: json parse failed, '%s'", (const char *)str);		yajl_free_error(hand, str);		yajl_free(hand);		aws_dynamo_free_put_item_response(_ctx.r);		return NULL;	}	yajl_free(hand);	return _ctx.r;}

static yajl_status jp_parse(JsonParserCtx *ctx, const unsigned char *s, unsigned len){	if (!ctx->yajl_handle) {		ctx->yajl_handle = yajl_alloc(&yp_yajl_callbacks, NULL, static_cast<void*>(ctx));	}	yajl_status status = yajl_parse(ctx->yajl_handle, s, len);	return status;}

yajl_val yajl_tree_parse_options (const char *input,                                   char *error_buffer, size_t error_buffer_size,                                   yajl_tree_option options){    static const yajl_callbacks callbacks =        {            /* null        = */ handle_null,            /* boolean     = */ handle_boolean,            /* integer     = */ NULL,            /* double      = */ NULL,            /* number      = */ handle_number,            /* string      = */ handle_string,            /* start map   = */ handle_start_map,            /* map key     = */ handle_string,            /* end map     = */ handle_end_map,            /* start array = */ handle_start_array,            /* end array   = */ handle_end_array        };    yajl_handle handle;    yajl_status status;    char * internal_err_str;	context_t ctx = { NULL, NULL, NULL, 0 };	ctx.errbuf = error_buffer;	ctx.errbuf_size = error_buffer_size;    if (error_buffer != NULL)        memset (error_buffer, 0, error_buffer_size);    handle = yajl_alloc (&callbacks, NULL, &ctx);    yajl_config(handle, yajl_allow_comments,            (options & yajl_tree_option_dont_allow_comments) ? 0 : 1);    yajl_config(handle, yajl_allow_trailing_separator,            (options & yajl_tree_option_allow_trailing_separator) ? 1 : 0);    status = yajl_parse(handle,                        (unsigned char *) input,                        strlen (input));    status = yajl_complete_parse (handle);    if (status != yajl_status_ok) {        if (error_buffer != NULL && error_buffer_size > 0) {               internal_err_str = (char *) yajl_get_error(handle, 1,                     (const unsigned char *) input,                     strlen(input));             snprintf(error_buffer, error_buffer_size, "%s", internal_err_str);             YA_FREE(&(handle->alloc), internal_err_str);        }        while (ctx.stack) {            yajl_tree_free(context_pop(&ctx));        }        yajl_free (handle);        return NULL;    }    yajl_free (handle);    return (ctx.root);}

void* json_init(shttp_connection_t* conn, const yajl_callbacks * callbacks, void *ctx) {  yajl_alloc_funcs funcs;  funcs.malloc = &json_malloc;  funcs.realloc = &json_realloc;  funcs.free = &json_free;  funcs.ctx = conn;  return yajl_alloc(callbacks, &funcs, ctx);}

CJSONVariantParser::CJSONVariantParser(IParseCallback *callback){  m_callback = callback;  yajl_parser_config cfg = { 1, 1 };  m_handler = yajl_alloc(&callbacks, &cfg, NULL, this);  m_status = ParseVariable;}

int SLNJSONFilterParserCreate(SLNSessionRef const session, SLNJSONFilterParserRef *const out) {	if(!SLNSessionHasPermission(session, SLN_RDONLY)) return DB_EACCES;	SLNJSONFilterParserRef parser = calloc(1, sizeof(struct SLNJSONFilterParser));	if(!parser) return DB_ENOMEM;	parser->session = session;	parser->JSONParser = yajl_alloc(&callbacks, NULL, parser);	parser->depth = -1;	*out = parser;	return 0;}

static int lyajl_new_parser (lua_State *L) {  int r = luaL_ref(L, LUA_REGISTRYINDEX);  luvit_parser_t *parser = parser_new(L);  parser->ref = malloc(sizeof(luv_ref_t));  parser->ref->L = L;  parser->ref->r = r;  parser->handle = yajl_alloc(&lyajl_callbacks, NULL, (void*)parser->ref);  luaL_getmetatable(L, JSON_PARSER_HANDLE);  lua_setmetatable(L, -2);  return 1;}

int parseSampleFromFile(Sample *sample, FILE *inputFile) {    yajl_handle hand;    static unsigned char fileData[READ_BUFFER_SIZE];    ParseContext g;    g.sample = sample;    yajl_status stat;    size_t rd;    /* allow comments */    yajl_parser_config cfg = { 1, 1 };    int retval = 1, done = 0;    /* ok.  open file.  let's read and parse */    hand = yajl_alloc(&callbacks, &cfg, NULL, (void *) &g);            while (!done) {        rd = fread((void *) fileData, 1, sizeof(fileData) - 1, inputFile);                if (rd == 0) {            if (!feof(inputFile)) {                fprintf(stderr, "error on file read./n");                retval = 0;                break;            }            done = 1;        }        fileData[rd] = 0;                if (done)            /* parse any remaining buffered data */            stat = yajl_parse_complete(hand);        else            /* read file data, pass to parser */            stat = yajl_parse(hand, fileData, rd);        if (stat != yajl_status_ok &&            stat != yajl_status_insufficient_data)        {            unsigned char * str = yajl_get_error(hand, 1, fileData, rd);            fprintf(stderr, "%s", (const char *) str);            yajl_free_error(hand, str);            retval = 0;            if( stat == yajl_status_client_canceled) {                fprintf(stderr, "%s/n", g.lastError);            }            break;        }    }    yajl_free(hand);        return retval;}

static int cj_perform (cj_t *db) /* {{{ */{    int status;    yajl_handle yprev = db->yajl;    db->yajl = yajl_alloc (&ycallbacks,#if HAVE_YAJL_V2                           /* alloc funcs = */ NULL,#else                           /* alloc funcs = */ NULL, NULL,#endif                           /* context = */ (void *)db);    if (db->yajl == NULL)    {        ERROR ("curl_json plugin: yajl_alloc failed.");        db->yajl = yprev;        return (-1);    }    if (db->url)        status = cj_curl_perform (db);    else        status = cj_sock_perform (db);    if (status < 0)    {        yajl_free (db->yajl);        db->yajl = yprev;        return (-1);    }#if HAVE_YAJL_V2    status = yajl_complete_parse(db->yajl);#else    status = yajl_parse_complete(db->yajl);#endif    if (status != yajl_status_ok)    {        unsigned char *errmsg;        errmsg = yajl_get_error (db->yajl, /* verbose = */ 0,                                 /* jsonText = */ NULL, /* jsonTextLen = */ 0);        ERROR ("curl_json plugin: yajl_parse_complete failed: %s",               (char *) errmsg);        yajl_free_error (db->yajl, errmsg);        yajl_free (db->yajl);        db->yajl = yprev;        return (-1);    }    yajl_free (db->yajl);    db->yajl = yprev;    return (0);} /* }}} int cj_perform */

TEST_F(Yajl, yajl_parse_nullcallbacks) {	for (size_t i = 0; i < kTrialCount; i++) {		yajl_handle hand = yajl_alloc(&nullcallbacks, NULL, NULL);		yajl_status stat = yajl_parse(hand, (unsigned char*)json_, length_ - 1);		//ASSERT_EQ(yajl_status_ok, stat);		if (stat != yajl_status_ok) {			unsigned char * str = yajl_get_error(hand, 1, (unsigned char*)json_, length_ + 1);			fprintf(stderr, "%s", (const char *) str);		}		stat = yajl_complete_parse(hand);		ASSERT_EQ(yajl_status_ok, stat);		yajl_free(hand);	}	}

void reformat(ErlDrvPort port, char* buf, int len){    yajl_handle hand;    /* generator config */    yajl_gen_config conf = { 1, "  " };	yajl_gen g;    yajl_status stat;    /* allow comments */    yajl_parser_config cfg = { 1, 1 };    g = yajl_gen_alloc(&conf, NULL);    /* ok.  open file.  let's read and parse */    hand = yajl_alloc(&callbacks, &cfg, NULL, (void *) g);        /* read file data, pass to parser */    stat = yajl_parse(hand, (unsigned char*) buf, len);    if (stat != yajl_status_ok &&        stat != yajl_status_insufficient_data)    {        char* err = (char*) yajl_get_error(hand, 1, (unsigned char*) buf, len);        int len = strlen(err);        ErlDrvTermData msg[] = {            ERL_DRV_ATOM, driver_mk_atom("error"),             ERL_DRV_BUF2BINARY, (ErlDrvTermData) err, (ErlDrvUInt) len,            ERL_DRV_TUPLE, 2        };        driver_send_term(port, driver_caller(port), msg, sizeof(msg) / sizeof(msg[0]));    } else {        const unsigned char* json;        unsigned int len;        yajl_gen_get_buf(g, &json, &len);        ErlDrvTermData msg[] = {            ERL_DRV_ATOM, driver_mk_atom("ok"),            ERL_DRV_BUF2BINARY, (ErlDrvTermData) json, (ErlDrvUInt) len,            ERL_DRV_TUPLE, 2        };        driver_send_term(port, driver_caller(port), msg, sizeof(msg) / sizeof(msg[0]));        yajl_gen_clear(g);    }    yajl_gen_free(g);    yajl_free(hand);}

int main(int argc, char ** argv){    yajl_handle hand;    yajl_status stat;    yajl_parser_config cfg = { 1, 1 };    int done = 0;    hand = yajl_alloc(&callbacks, &cfg, NULL, (void *) g);            while (!done) {        rd = fread((void *) fileData, 1, sizeof(fileData) - 1, stdin);                if (rd == 0) {            if (!feof(stdin)) {                fprintf(stderr, "error on file read./n");                break;            }            done = 1;        }        fileData[rd] = 0;                if (done)            /* parse any remaining buffered data */            stat = yajl_parse_complete(hand);        else            /* read file data, pass to parser */            stat = yajl_parse(hand, fileData, rd);        if (stat != yajl_status_ok &&            stat != yajl_status_insufficient_data)        {            unsigned char * str = yajl_get_error(hand, 1, fileData, rd);            fprintf(stderr, (const char *) str);            yajl_free_error(hand, str);        } else {            const unsigned char * buf;            unsigned int len;            yajl_gen_get_buf(g, &buf, &len);            fwrite(buf, 1, len, stdout);            yajl_gen_clear(g);        }    }    yajl_gen_free(g);    yajl_free(hand);        return 0;}

static VALUE mParser_do_yajl_parse(VALUE self, VALUE str, VALUE yajl_opts) {  yajl_handle hand;  yajl_status stat;  unsigned char *err;  volatile CTX ctx;  rb_ivar_set(self, rb_intern("key"), Qnil);  rb_ivar_set(self, rb_intern("stack"), rb_ary_new());  rb_ivar_set(self, rb_intern("key_stack"), rb_ary_new());  ctx.self = self;  ctx.symbolizeKeys = get_opts_key(self, "symbolize_keys");  ctx.uniqueKeyChecking = get_opts_key(self, "unique_key_checking");  hand = yajl_alloc(&callbacks, NULL, (void *)&ctx);  if (rb_hash_aref(yajl_opts, ID2SYM(rb_intern("yajl_allow_comments"))) == Qtrue) {    yajl_config(hand, yajl_allow_comments, 1);  }  if (rb_hash_aref(yajl_opts, ID2SYM(rb_intern("yajl_dont_validate_strings"))) == Qtrue) {    yajl_config(hand, yajl_dont_validate_strings, 1);  }  if (rb_hash_aref(yajl_opts, ID2SYM(rb_intern("yajl_allow_trailing_garbage"))) == Qtrue) {    yajl_config(hand, yajl_allow_trailing_garbage, 1);  }  if (rb_hash_aref(yajl_opts, ID2SYM(rb_intern("yajl_allow_multiple_values"))) == Qtrue) {    yajl_config(hand, yajl_allow_multiple_values, 1);  }  if (rb_hash_aref(yajl_opts, ID2SYM(rb_intern("yajl_allow_partial_values"))) == Qtrue) {    yajl_config(hand, yajl_allow_partial_values, 1);  }  if ((stat = yajl_parse(hand, (unsigned char *)RSTRING_PTR(str), RSTRING_LEN(str))) != yajl_status_ok) {    err = yajl_get_error(hand, 1, (unsigned char *)RSTRING_PTR(str), RSTRING_LEN(str));    goto raise;  }  if ((stat = yajl_complete_parse(hand)) != yajl_status_ok) {    err = yajl_get_error(hand, 1, (unsigned char *)RSTRING_PTR(str), RSTRING_LEN(str));    goto raise;  }  yajl_free(hand);  return rb_ary_pop(rb_ivar_get(self, rb_intern("stack")));raise:  if (hand) {    yajl_free(hand);  }  rb_raise(cParseError, "%s", err);}

void jsonfill(const char *filename,int *array){   std::ifstream fin(filename);   fin.seekg(0,std::ios::end);   int length = fin.tellg();   fin.seekg(0,std::ios::beg);   unsigned char *buffer = new unsigned char  [length];   fin.read ((char *) buffer,length);   fin.close();   yajl_handle handl = yajl_alloc(&call,&conf,NULL,&array);   yajl_parse(handl,buffer,length);   yajl_free(handl);   free(buffer);}

/** * Initialise JSON parser. */int json_init(modsec_rec *msr, char **error_msg) {    /**     * yajl configuration and callbacks     */    static yajl_callbacks callbacks = {        yajl_null,        yajl_boolean,        NULL /* yajl_integer  */,        NULL /* yajl_double */,        yajl_number,        yajl_string,        yajl_start_map,        yajl_map_key,        yajl_end_map,        NULL /* yajl_start_array */,        NULL /* yajl_end_array  */    };    if (error_msg == NULL) return -1;    *error_msg = NULL;    msr_log(msr, 4, "JSON parser initialization");    msr->json = apr_pcalloc(msr->mp, sizeof(json_data));    if (msr->json == NULL) return -1;    /**     * Prefix and current key are initially empty     */    msr->json->prefix = (unsigned char *) NULL;    msr->json->current_key = (unsigned char *) NULL;    /**     * yajl initialization     *     * yajl_parser_config definition:     * http://lloyd.github.io/yajl/yajl-2.0.1/yajl__parse_8h.html#aec816c5518264d2ac41c05469a0f986c     *     * TODO: make UTF8 validation optional, as it depends on Content-Encoding     */    if (msr->txcfg->debuglog_level >= 9) {        msr_log(msr, 9, "yajl JSON parsing callback initialization");    }    msr->json->handle = yajl_alloc(&callbacks, NULL, msr);    yajl_config(msr->json->handle, yajl_allow_partial_values, 0);    return 1;}