UniMRCP: mrcp_resource.h Source File

00001 /*
00002  * Copyright 2008-2010 Arsen Chaloyan
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  * 
00016  * $Id: mrcp_resource.h 1474 2010-02-07 20:51:47Z achaloyan $
00017  */
00018 
00019 #ifndef MRCP_RESOURCE_H
00020 #define MRCP_RESOURCE_H
00021 
00022 /**
00023  * @file mrcp_resource.h
00024  * @brief Abstract MRCP Resource
00025  */ 
00026 
00027 #include "mrcp_types.h"
00028 #include "mrcp_header_accessor.h"
00029 
00030 APT_BEGIN_EXTERN_C
00031 
00032 
00033 /** MRCP resource definition */
00034 struct mrcp_resource_t {
00035         /** MRCP resource identifier */
00036         mrcp_resource_id id;
00037         /** MRCP resource name */
00038         apt_str_t        name;
00039 
00040         /** Get string table of methods */
00041         const apt_str_table_item_t* (*get_method_str_table)(mrcp_version_e version);
00042         /** Number of methods */
00043         apr_size_t       method_count;
00044 
00045         /** Get string table of events */
00046         const apt_str_table_item_t* (*get_event_str_table)(mrcp_version_e version);
00047         /** Number of events */
00048         apr_size_t       event_count;
00049 
00050         /** Get vtable of resource header */
00051         const mrcp_header_vtable_t* (*get_resource_header_vtable)(mrcp_version_e version);
00052 };
00053 
00054 /** Initialize MRCP resource */
00055 static APR_INLINE mrcp_resource_t* mrcp_resource_create(apr_pool_t *pool)
00056 {
00057         mrcp_resource_t *resource = (mrcp_resource_t*) apr_palloc(pool, sizeof(mrcp_resource_t));
00058         resource->id = 0;
00059         apt_string_reset(&resource->name);
00060         resource->method_count = 0;
00061         resource->event_count = 0;
00062         resource->get_method_str_table = NULL;
00063         resource->get_event_str_table = NULL;
00064         resource->get_resource_header_vtable = NULL;
00065         return resource;
00066 }
00067 
00068 /** Validate MRCP resource */
00069 static APR_INLINE apt_bool_t mrcp_resource_validate(mrcp_resource_t *resource)
00070 {
00071         if(resource->method_count && resource->event_count &&
00072                 resource->get_method_str_table && resource->get_event_str_table &&
00073                  resource->get_resource_header_vtable &&
00074                  resource->name.buf && resource->name.length) {
00075                 return TRUE;
00076         }
00077         return FALSE;
00078 }
00079 
00080 APT_END_EXTERN_C
00081 
00082 #endif /* MRCP_RESOURCE_H */