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/* Copyright 2001-2004 The Apache Software Foundation
*
* Licensed 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.
*/
#include "mod_nss.h"
/* _________________________________________________________________
**
** Expression Handling
** _________________________________________________________________
*/
nss_expr_info_type nss_expr_info;
char *nss_expr_error;
nss_expr *nss_expr_comp(apr_pool_t *p, char *expr)
{
nss_expr_info.pool = p;
nss_expr_info.inputbuf = expr;
nss_expr_info.inputlen = strlen(expr);
nss_expr_info.inputptr = nss_expr_info.inputbuf;
nss_expr_info.expr = FALSE;
nss_expr_error = NULL;
if (nss_expr_yyparse())
return NULL;
return nss_expr_info.expr;
}
char *nss_expr_get_error(void)
{
if (nss_expr_error == NULL)
return "";
return nss_expr_error;
}
nss_expr *nss_expr_make(nss_expr_node_op op, void *a1, void *a2)
{
nss_expr *node;
node = (nss_expr *)apr_palloc(nss_expr_info.pool, sizeof(nss_expr));
node->node_op = op;
node->node_arg1 = (char *)a1;
node->node_arg2 = (char *)a2;
return node;
}
int nss_expr_exec(request_rec *r, nss_expr *expr)
{
BOOL rc;
rc = nss_expr_eval(r, expr);
if (nss_expr_error != NULL)
return (-1);
else
return (rc ? 1 : 0);
}
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