jk_map_aprtable.c

Tomcat 4.1与WebServer集成组件的源代码包.

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 *                 The Apache Software License,  Version 1.1                 *
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 * 4. The names  "The  Jakarta  Project",  "Jk",  and  "Apache  Software     *
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/**
 * Implementation of map using apr_table. This avoids copying the headers,
 * env, etc in jk_service - we can just wrap them.
 *
 * Note that this _require_ that apr pools are used ( can't be used
 * with jk_pools ), i.e. you must use apr for both pools and maps.
 *
 * @author Costin Manolache
 */

#include "jk_pool.h"
#include "jk_env.h"
#include "apr_pools.h"
#include "apr_strings.h"
#include "apr_tables.h"

#include "jk_apache2.h"


static void *jk2_map_aprtable_get( struct jk_env *env, struct jk_map *_this,
                                  const char *name)
{
    apr_table_t *aprMap=_this->_private;
    return (void *)apr_table_get( aprMap, name );
}

static int jk2_map_aprtable_put( struct jk_env *env, struct jk_map *_this,
                                const char *name, void *value,
                                void **oldValue )
{
    apr_table_t *aprMap=_this->_private;
    if( oldValue != NULL ) {
        *oldValue=(void *)apr_table_get( aprMap, (char *)name );
    }
    
    apr_table_setn( aprMap, name, (char *)value );
    
    return JK_OK;
}

static int jk2_map_aprtable_add( struct jk_env *env, struct jk_map *_this,
                                const char *name, void *value )
{
    apr_table_t *aprMap=_this->_private;
    
    apr_table_addn( aprMap, name, (char *)value );
    
    return JK_OK;
}

static int jk2_map_aprtable_size( struct jk_env *env, struct jk_map *_this )
{
    apr_table_t *aprMap=_this->_private;
    const apr_array_header_t *ah = apr_table_elts( aprMap );

    return ah->nelts;

}

static char * jk2_map_aprtable_nameAt( struct jk_env *env, struct jk_map *_this,
                                      int pos)
{
    apr_table_t *aprMap=_this->_private;
    const apr_array_header_t *ah = apr_table_elts( aprMap );
    apr_table_entry_t *elts = (apr_table_entry_t *)ah->elts;
               

    return elts[pos].key;
}

static void * jk2_map_aprtable_valueAt( struct jk_env *env, struct jk_map *_this,
                                       int pos)
{
    apr_table_t *aprMap=_this->_private;
    const apr_array_header_t *ah = apr_table_elts( aprMap );
    apr_table_entry_t *elts = (apr_table_entry_t *)ah->elts;

    return elts[pos].val;
}

static void jk2_map_aprtable_init(jk_env_t *env, jk_map_t *m, int initialSize,
                                void *wrappedObj)
{
    m->_private=wrappedObj;
}

static void jk2_map_aprtable_clear(jk_env_t *env, jk_map_t *m)
{

}


/* Not used yet */
int JK_METHOD jk2_map_aprtable_factory(jk_env_t *env, jk_pool_t *pool,
                                       jk_bean_t *result,
                                       const char *type, const char *name)
{
    jk_map_t *_this=(jk_map_t *)pool->calloc( env, pool, sizeof(jk_map_t));

    result->object=_this;
    
    _this->get=jk2_map_aprtable_get;
    _this->put=jk2_map_aprtable_put;
    _this->add=jk2_map_aprtable_add;
    _this->size=jk2_map_aprtable_size;
    _this->nameAt=jk2_map_aprtable_nameAt;
    _this->valueAt=jk2_map_aprtable_valueAt;
    _this->init=jk2_map_aprtable_init;
    _this->clear=jk2_map_aprtable_clear;
    
    return JK_OK;
}