| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef OXS_BUFFER_H |
| #define OXS_BUFFER_H |
| |
| |
| /** |
| * @file oxs_buffer.h |
| * @brief |
| */ |
| |
| #include <axis2_defines.h> |
| #include <axis2_env.h> |
| #include <axis2_util.h> |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| /** @defgroup |
| * @ingroup |
| * @{ |
| */ |
| |
| #define OXS_BUFFER_INITIAL_SIZE 1024 |
| |
| /** |
| * Allocate mode for the buffer |
| * oxs_alloc_mode_exact : Minimizes the allocated memory size |
| * oxs_alloc_mode_double : Minimizes number of Malloc calls |
| */ |
| typedef enum { |
| oxs_alloc_mode_exact = 0, |
| oxs_alloc_mode_double |
| } oxs_AllocMode; |
| |
| /** Type name for struct oxs_buffer_ops */ |
| typedef struct oxs_buffer_ops oxs_buffer_ops_t; |
| |
| /** Type name for struct oxs_buffer */ |
| typedef struct oxs_buffer oxs_buffer_t; |
| |
| struct oxs_buffer_ops |
| { |
| /** |
| *Free function of the buffer |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| free)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env |
| ); |
| /** |
| *Removes the first (size) charcters from the buffer |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@size number of characters to be removed |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| remove_head)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env, |
| int size |
| ); |
| /** |
| *Removes the last (size) charcters from the buffer |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@size number of characters to be removed |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| remove_tail)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env, |
| int size |
| ); |
| /** |
| *populates the buffer using the @data set the @size as the useful length |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@data the data for the buffer |
| *@size the effective length of data |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| populate)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env, |
| unsigned char *data, |
| int size |
| ); |
| /** |
| *Append data (to the end) |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@data the data for the buffer |
| *@size the effective length of data |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| append)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env, |
| unsigned char *data, |
| int size |
| ); |
| /** |
| *Prepends data (to the front of the buffer) |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@data the data for the buffer |
| *@size the effective length of data |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| prepend)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env, |
| unsigned char *data, |
| int size |
| ); |
| /** |
| *Reads a file specified by @filename |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@filename The name of the file |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| read_file)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env, |
| const axis2_char_t *filename |
| ); |
| /** |
| *Sets the size |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@size the value of the size |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| set_size)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env, |
| int size |
| ); |
| /** |
| *Sets the maximum size of the buffer. Usually this will be allocated dynamically |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@size the maximum size of the buffer |
| *@return AXIS2_SUCCESS on success, else AXIS2_FAILURE |
| */ |
| axis2_status_t (AXIS2_CALL * |
| set_max_size)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env, |
| int size |
| ); |
| /** |
| *Returns data |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@return data in the buffer |
| */ |
| unsigned char* (AXIS2_CALL * |
| get_data)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env |
| ); |
| /** |
| *Returns the effective length of the buffer |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@return the effective length of the buffer as int |
| */ |
| int (AXIS2_CALL * |
| get_size)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env |
| ); |
| /** |
| *Returns the maximum size of the buffer |
| *@buffer pointer to the OMXMLSec buffer struct |
| *@env pointer to environment struct |
| *@return the maximum size of the buffer |
| */ |
| int (AXIS2_CALL * |
| get_max_size)( |
| oxs_buffer_t *buffer, |
| const axis2_env_t *env |
| ); |
| }; |
| |
| struct oxs_buffer |
| { |
| oxs_buffer_ops_t *ops; |
| }; |
| |
| AXIS2_EXTERN oxs_buffer_t *AXIS2_CALL |
| oxs_buffer_create(const axis2_env_t *env); |
| |
| /*Macros*/ |
| |
| #define OXS_BUFFER_FREE(buffer,env)\ |
| ((buffer)->ops->free(buffer,env)) |
| |
| #define OXS_BUFFER_REMOVE_HEAD(buffer,env, size)\ |
| ((buffer)->ops->remove_head(buffer,env, size)) |
| |
| #define OXS_BUFFER_REMOVE_TAIL(buffer,env, size)\ |
| ((buffer)->ops->remove_tail(buffer,env, size)) |
| |
| #define OXS_BUFFER_POPULATE(buffer,env, data, size)\ |
| ((buffer)->ops->populate(buffer,env, data, size)) |
| |
| #define OXS_BUFFER_APPEND(buffer,env, data, size)\ |
| ((buffer)->ops->append(buffer,env, data, size)) |
| |
| #define OXS_BUFFER_PREPEND(buffer,env, data, size)\ |
| ((buffer)->ops->prepend(buffer,env, data, size)) |
| |
| #define OXS_BUFFER_READ_FILE(buffer,env, file_name)\ |
| ((buffer)->ops->read_file(buffer,env, file_name)) |
| |
| #define OXS_BUFFER_SET_SIZE(buffer,env, size)\ |
| ((buffer)->ops->set_size(buffer,env, size)) |
| |
| #define OXS_BUFFER_SET_MAX_SIZE(buffer, env, size)\ |
| ((buffer)->ops->set_max_size(buffer, env, size)) |
| |
| #define OXS_BUFFER_GET_DATA(buffer,env)\ |
| ((buffer)->ops->get_data(buffer,env)) |
| |
| #define OXS_BUFFER_GET_SIZE(buffer,env)\ |
| ((buffer)->ops->get_size(buffer,env)) |
| |
| #define OXS_BUFFER_GET_MAX_SIZE(buffer,env)\ |
| ((buffer)->ops->get_max_size(buffer,env)) |
| |
| |
| /** @} */ |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* OXS_BUFFER_H */ |