char *
fbs_schema_parse(ngx_pool_t *pool, ngx_str_t schema)
{
u_char last_char;
u_char* last;
last = schema.data + schema.len;
last_char = *last;
*last = '\0';
// clear structs
parser.structs_.vec.clear();
parser.structs_.dict.clear();
// clear enums
parser.enums_.vec.clear();
parser.enums_.dict.clear();
if (!parser.Parse((char*)schema.data, "schema/"))
{
*last = last_char;
//ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, jsongen.c_str());
return (char*)parser.error_.c_str();
}
*last = last_char;
return NGX_CONF_OK;
}
static void ParseFile(flatbuffers::Parser &parser, const std::string &filename,
const std::string &contents,
std::vector<const char *> &include_directories) {
auto local_include_directory = flatbuffers::StripFileName(filename);
include_directories.push_back(local_include_directory.c_str());
include_directories.push_back(nullptr);
if (!parser.Parse(contents.c_str(), &include_directories[0],
filename.c_str()))
Error(parser.error_, false, false);
include_directories.pop_back();
include_directories.pop_back();
}
ngx_int_t
fbs_json_parse(ngx_http_request_t *r,
ngx_str_t *res, ngx_http_variable_value_t *v, ngx_http_fbs_conf_t *conf)
{
ngx_int_t rc;
u_char last_char;
u_char* last;
u_char* buf = nullptr;
size_t len = 0;
if (!parser.SetRootType((const char*)v->data))
{
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "Unknown root_type: %s", v->data);
return NGX_OK;
}
if (parser.root_struct_def->fixed)
{
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "Non-table root_type: %s", v->data);
return NGX_OK;
}
rc = get_body(r, res, &buf, &len);
if (rc != NGX_OK)
return rc;
if (len == 0 || *buf != '{')
{
//ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "empty body");
return NGX_OK;
}
/* ================================================== */
// temporary null delim
last = buf + len;
last_char = *last;
*last = '\0';
if (parser.ParseJson((char*)buf))
{
// restore
*last = last_char;
// TODO allocate ngx_palloc and copy?
res->data = parser.builder_.GetBufferPointer();
res->len = parser.builder_.GetSize();
//ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "success: %d %s %s", len, v->data, buf);
}
else
{
// restore
*last = last_char;
res->data = nullptr;
res->len = 0;
//ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "fail: %d %s %s %s", len, v->data, parser.error_.c_str(), buf);
}
return NGX_OK;
}