Example #1
0
static int js_parser_parse(lua_State *L) {
    yajl_handle* handle = (yajl_handle*)
        lua_touserdata(L, lua_upvalueindex(1));
    if ( lua_isnil(L, 1) ) {
        js_parser_assert(L,
                         yajl_complete_parse(*handle),
                         handle,
                         NULL,
                         0,
                         __FILE__,
                         __LINE__);
    } else {
        size_t len;
        const unsigned char* buff = (const unsigned char*) luaL_checklstring(L, 1, &len);
        if ( NULL == buff ) return 0;
        js_parser_assert(L,
                         yajl_parse(*handle, buff, len),
                         handle,
                         buff,
                         len,
                         __FILE__,
                         __LINE__);
    }
    return 0;
}
Example #2
0
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 {
Example #3
0
static size_t cj_curl_callback (void *buf, /* {{{ */
    size_t size, size_t nmemb, void *user_data)
{
  cj_t *db;
  size_t len;
  yajl_status status;

  len = size * nmemb;

  if (len <= 0)
    return (len);

  db = user_data;
  if (db == NULL)
    return (0);

  status = yajl_parse(db->yajl, (unsigned char *)buf, len);
  if (status == yajl_status_ok)
    return (len);
#if !HAVE_YAJL_V2
  else if (status == yajl_status_insufficient_data)
    return (len);
#endif

  unsigned char *msg = yajl_get_error(db->yajl, /* verbose = */ 1,
        /* jsonText = */ (unsigned char *) buf, (unsigned int) len);
  ERROR ("curl_json plugin: yajl_parse failed: %s", msg);
  yajl_free_error(db->yajl, msg);
  return (0); /* abort write callback */
} /* }}} size_t cj_curl_callback */
Example #4
0
static void
_j4status_i3bar_ouput_action(J4statusPluginContext *context, gchar *line)
{
    gsize length = strlen(line);
    yajl_status json_state;

    json_state = yajl_parse(context->json_handle, (const unsigned char *) line, length);

    if ( json_state == yajl_status_ok )
        return;
    g_free(context->parse_context.name);
    g_free(context->parse_context.instance);

    if ( json_state == yajl_status_error )
    {
        unsigned char *str_error;
        str_error = yajl_get_error(context->json_handle, 0, (const unsigned char *) line, length);
        g_warning("Couldn't parse section from i3bar: %s", str_error);
        yajl_free_error(context->json_handle, str_error);
    }
    else if ( json_state == yajl_status_client_canceled )
    {
        g_warning("i3bar JSON protocol error: %s", context->parse_context.error);
        g_free(context->parse_context.error);
    }
}
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;
}
Example #6
0
/*
 * 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);
}
Example #7
0
/* if this method throw an exception then the object is invalid */
bool JsonShredder::Shred(uint64_t docseq,
                         const std::string& json,
                         std::string* idout,
                         std::string* errout) {
    YajlHandle hand(&ctx_);
    yajl_status stat;
    bool success = true;
    ctx_.docseq = docseq;
    stat = yajl_parse(hand, (unsigned char*)json.c_str(), json.length());

    if (stat == yajl_status_ok)
        stat = yajl_complete_parse(hand);

    if (stat == yajl_status_client_canceled) {
        if (ctx_.exception_ptr) {
            // some sorta exception occurred. rethrow.
            std::rethrow_exception(ctx_.exception_ptr);
        } else {
            // error message must be in tempbuff
            *errout = ctx_.tempbuff;
            success = false;
        }
    } else if (stat != yajl_status_ok) {
        hand.GetError(json, errout);
        success = false;
    }
    if (ctx_.docid.length() == 0) {
        *errout = "missing _id field";
        success = false;
    }
    *idout = ctx_.docid;

    return success;
}
std::vector<char> LKStreamTranslator::process(const std::vector<char> &chunk)
{
	std::vector<char> retval;
	
	// We work with C strings here, because YAJL
	const char *str = chunk.data();
	size_t len = chunk.size();
	
	// Abort if the string is empty anyways
	if(len == 0)
		return retval;
	
	// Skip any BOM if there is one
	const unsigned char bom[] = {0xEF, 0xBB, 0xBF};
	if(len >= 3 && memcmp(bom, str, 3) == 0)
	{
		str += 3;
		len -= 3;
	}
	
	// Abort if it had nothing but a BOM
	if(len == 0)
		return retval;
	
	// KanColle specific: most datablobs are prefixed with "svdata=", that's
	// needed for the game to work, but we can't parse with it left in
	const char *svdata = "svdata=";
	if(memcmp(svdata, str, (size_t)std::min(strlen(svdata), len)) == 0)
	{
		str += strlen(svdata);
		len -= strlen(svdata);
		
		retval.insert(retval.end(), svdata, svdata + strlen(svdata));
	}
	
	if(len > 0)
	{
		if(yajl_parse(ctx.parser, (const unsigned char *)str, len) != yajl_status_ok)
		{
			unsigned char *error = yajl_get_error(ctx.parser, true, (const unsigned char *)str, len);
			std::string error_string((const char *)error);
			yajl_free_error(ctx.parser, error);
			
			throw std::runtime_error("JSON Parsing Error: " + error_string);
		}
		
		const unsigned char *buf;
		size_t buf_len;
		yajl_gen_get_buf(ctx.gen, &buf, &buf_len);
		
		if(buf_len > 0)
		{
			retval.insert(retval.end(), buf, buf + buf_len);
			yajl_gen_clear(ctx.gen);
		}
	}
	
	return retval;
}
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;
}
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;
}
Example #11
0
/* 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;
}
Example #12
0
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);
}
Example #13
0
size_t parse_json(void *ptr, size_t size,  size_t  nmemb,  void  *stream) {
    size_t total_size = size * nmemb;
    yajl_handle y_handle = (yajl_handle)stream;
    syslog(LOG_DEBUG, "about to parse");

    yajl_parse(y_handle, ptr, total_size);
    
    return total_size;
}
Example #14
0
static struct rest_json_payload *
rest_get_json_upload(mtev_http_rest_closure_t *restc,
                    int *mask, int *complete) {
  struct rest_json_payload *rxc;
  mtev_http_request *req = mtev_http_session_request(restc->http_ctx);
  httptrap_closure_t *ccl = NULL;
  int content_length;
  char buffer[32768];

  content_length = mtev_http_request_content_length(req);
  rxc = restc->call_closure;
  rxc->check = noit_poller_lookup(rxc->check_id);
  if (!rxc->check) {
    *complete = 1;
    return NULL;
  }

  if(!strcmp(rxc->check->module, "httptrap")) ccl = rxc->check->closure;
  rxc->immediate = noit_httptrap_check_asynch(ccl ? ccl->self : NULL, rxc->check);
  while(!rxc->complete) {
    int len;
    len = mtev_http_session_req_consume(
            restc->http_ctx, buffer,
            MIN(content_length - rxc->len, sizeof(buffer)),
            sizeof(buffer),
            mask);
    if(len > 0) {
      yajl_status status;
      _YD("inbound payload chunk (%d bytes) continuing YAJL parse\n", len);
      status = yajl_parse(rxc->parser, (unsigned char *)buffer, len);
      if(status != yajl_status_ok) {
        unsigned char *err;
        *complete = 1;
        err = yajl_get_error(rxc->parser, 0, (unsigned char *)buffer, len);
        rxc->error = strdup((char *)err);
        yajl_free_error(rxc->parser, err);
        return rxc;
      }
      rxc->len += len;
    }
    if(len < 0 && errno == EAGAIN) return NULL;
    else if(len < 0) {
      *complete = 1;
      return NULL;
    }
    content_length = mtev_http_request_content_length(req);
    if((mtev_http_request_payload_chunked(req) && len == 0) ||
       (rxc->len == content_length)) {
      rxc->complete = 1;
      _YD("no more data, finishing YAJL parse\n");
      yajl_complete_parse(rxc->parser);
    }
  }

  *complete = 1;
  return rxc;
}
Example #15
0
bool hkvJsonStreamReader::Parse(const char* pszFileName, unsigned int uiChunkSize)
{
  yajl_status stat;
  void* pFile;
  size_t rd;

  // Allocate read buffer
  unsigned char* pFileData = (unsigned char*)(YA_MALLOC(&(m_pHandle->alloc), uiChunkSize));
  assert(pFileData);

  // Open file
  pFile = m_pFileHandler->Open(pszFileName, hkvJsonFileHandler::JFM_READ);
  if (pFile == NULL)
    return false;

  for (;;)
  {
    rd = m_pFileHandler->Read((void*)pFileData, uiChunkSize - 1, pFile);

    if (rd == 0)
    {
      if (!m_pFileHandler->IsEOF(pFile))
        fprintf(stderr, "Error encountered on file read.\n");
      break;
    }
    pFileData[rd] = 0;

    // Pass to parser
    stat = yajl_parse(m_pHandle, pFileData, rd);

    if (stat != yajl_status_ok)
      break;
  }

  // Parse any remaining buffered data
  stat = yajl_complete_parse(m_pHandle);

  if (stat != yajl_status_ok)
  {
    unsigned char * str = yajl_get_error(m_pHandle, 1, pFileData, rd);
    fprintf(stderr, "%s", (const char *) str);
    yajl_free_error(m_pHandle, str);

    assert(false);
    return false;
  }

  // Close the file
  m_pFileHandler->Close(pFile);

  // Free read buffer
  YA_FREE(&(m_pHandle->alloc), pFileData);

  return true;
}
Example #16
0
void yajl_parse_chunk(const unsigned char * chunk, unsigned int len, yajl_handle parser) {
    yajl_status stat;

    stat = yajl_parse(parser, chunk, len);

    if (stat != yajl_status_ok && stat != yajl_status_insufficient_data) {
        unsigned char * str = yajl_get_error(parser, 1, chunk, len);
        rb_raise(cParseError, "%s", (const char *) str);
        yajl_free_error(parser, str);
    }
}
Example #17
0
File: yajl.c Project: 0xced/RestKit
yajl_status
yajl_parse_complete(yajl_handle hand)
{
    /* The particular case we want to handle is a trailing number.
     * Further input consisting of digits could cause our interpretation
     * of the number to change (buffered "1" but "2" comes in).
     * A very simple approach to this is to inject whitespace to terminate
     * any number in the lex buffer.
     */
    return yajl_parse(hand, (const unsigned char *)" ", 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;
}
Example #19
0
bool json_streamer_push(struct json_streamer *json, const unsigned char *data, size_t size)
{
	yajl_status status;

	if (!json || !json->yajl || !data || !size)
		return false;

	status = yajl_parse(json->yajl, data, size);
	if (status == yajl_status_client_canceled)
		yajl_init(json, json->frame_callback, json->userdata, true);

	return (status != yajl_status_error);
}
Example #20
0
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);
	}	
}
Example #21
0
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);
}
Example #22
0
/**
 * Feed one chunk of data to the JSON parser.
 */
int json_process_chunk(modsec_rec *msr, const char *buf, unsigned int size, char **error_msg) {
    if (error_msg == NULL) return -1;
    *error_msg = NULL;

    /* Feed our parser and catch any errors */
    msr->json->status = yajl_parse(msr->json->handle, buf, size);
    if (msr->json->status != yajl_status_ok) {
        /* We need to free the yajl error message later, how to do this? */
        *error_msg = yajl_get_error(msr->json->handle, 0, buf, size);
        return -1;
    }

    return 1;
}
Example #23
0
/*
 * Public functions
 */
yajl_val yajl_tree_parse (const char *input,
                          char *error_buffer, size_t error_buffer_size)
{
    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;
    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, 1);

    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) {
            snprintf(
                error_buffer, error_buffer_size, "%s",
                (char *) yajl_get_error(handle, 1,
                                        (const unsigned char *) input,
                                        strlen(input)));
        }
        yajl_free (handle);
        return NULL;
    }

    yajl_free (handle);
    return (ctx.root);
}
Example #24
-1
/**
 * Read JSON data and parse it using the given YAJL parser.
 * @param url URL of the JSON data.
 * @param hand YAJL parser handle.
 * @return -1 on error, 0 on success.
 */
static int
soundcloud_parse_json(const char *url, yajl_handle hand, GMutex* mutex, GCond* cond)
{
	struct input_stream *input_stream;
	GError *error = NULL;
	char buffer[4096];
	unsigned char *ubuffer = (unsigned char *)buffer;
	size_t nbytes;

	input_stream = input_stream_open(url, mutex, cond, &error);
	if (input_stream == NULL) {
		if (error != NULL) {
			g_warning("%s", error->message);
			g_error_free(error);
		}
		return -1;
	}

	g_mutex_lock(mutex);
	input_stream_wait_ready(input_stream);

	yajl_status stat;
	int done = 0;

	while (!done) {
		nbytes = input_stream_read(input_stream, buffer, sizeof(buffer), &error);
		if (nbytes == 0) {
			if (error != NULL) {
				g_warning("%s", error->message);
				g_error_free(error);
			}
			if (input_stream_eof(input_stream)) {
				done = true;
			} else {
				g_mutex_unlock(mutex);
				input_stream_close(input_stream);
				return -1;
			}
		}

		if (done)
			stat = yajl_parse_complete(hand);
		else
			stat = yajl_parse(hand, ubuffer, nbytes);

		if (stat != yajl_status_ok &&
			stat != yajl_status_insufficient_data)
		{
			unsigned char *str = yajl_get_error(hand, 1, ubuffer, nbytes);
			g_warning("%s", str);
			yajl_free_error(hand, str);
			break;
		}
	}

	g_mutex_unlock(mutex);
	input_stream_close(input_stream);

	return 0;
}
Example #25
-1
/*
 * 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);
}
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;
}
Example #27
-4
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);
}
Example #28
-4
/*
 * 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);
}
Example #29
-6
VOID ReadData(REQUEST_CONTEXT* context)
{
	yajl_handle hand;
	yajl_parser_config cfg = { 1, 1 };
	json_ctx ctx = { 0, 0 };
	hand = JSONCodec::AllocateHandle(&cfg, &ctx);

	unsigned char temp[BUFFER_SIZE];
	DWORD read = 0;
	BOOL res = FALSE;
	while(true) {
		res = WinHttpReadData(context->hRequest, temp, BUFFER_SIZE, &read);
		if(!res) {
			Log::Error("Error reading response data");
			break;
		}
		if(read == 0)
			break;
		temp[read] = 0;
		yajl_status status = yajl_parse(hand, temp, read);
		if(status == yajl_status_error) {
			Log::Error("Error parsing response data");
			res = FALSE;
			break;
		}
	}

	yajl_parse_complete(hand);
    yajl_free(hand);
	JSONCodec::Decode(ctx.current, context->px);
	JSONCodec::FreeJsonValue(ctx.current);
}
Example #30
-6
File: json.c Project: Hmaal/slash
static SLVAL
sl_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;
}