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/*
* Copyright (c) 2005, 2008 Sun Microsystems, Inc. All Rights Reserved.
* Use is subject to license terms.
*
* Copyright (c) 1984 AT&T
* All Rights Reserved
*
* 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.
*/
#ifndef LIBSED_H
#define LIBSED_H
#ifdef __cplusplus
extern "C" {
#endif
#include <limits.h>
#include "apr_file_io.h"
#define SED_NLINES 256
#define SED_DEPTH 20
#define SED_LABSIZE 50
#define SED_ABUFSIZE 20
typedef struct sed_reptr_s sed_reptr_t;
struct sed_reptr_s {
sed_reptr_t *next;
char *ad1;
char *ad2;
char *re1;
sed_reptr_t *lb1;
char *rhs;
int findex;
char command;
int gfl;
char pfl;
char negfl;
int nrep;
};
typedef struct sed_label_s sed_label_t;
struct sed_label_s {
char asc[9];
sed_reptr_t *chain;
sed_reptr_t *address;
};
typedef apr_status_t (sed_err_fn_t)(void *data, const char *error);
typedef apr_status_t (sed_write_fn_t)(void *ctx, char *buf, int sz);
typedef struct sed_commands_s sed_commands_t;
#define NWFILES 11 /* 10 plus one for standard output */
struct sed_commands_s {
sed_err_fn_t *errfn;
void *data;
unsigned lsize;
char *linebuf;
char *lbend;
const char *saveq;
char *cp;
char *lastre;
char *respace;
char sseof;
char *reend;
const char *earg;
int eflag;
int gflag;
int nflag;
apr_int64_t tlno[SED_NLINES];
int nlno;
int depth;
char *fname[NWFILES];
int nfiles;
sed_label_t ltab[SED_LABSIZE];
sed_label_t *labtab;
sed_label_t *lab;
sed_label_t *labend;
sed_reptr_t **cmpend[SED_DEPTH];
sed_reptr_t *ptrspace;
sed_reptr_t *ptrend;
sed_reptr_t *rep;
int nrep;
apr_pool_t *pool;
int canbefinal;
};
typedef struct sed_eval_s sed_eval_t;
struct sed_eval_s {
sed_err_fn_t *errfn;
sed_write_fn_t *writefn;
void *data;
sed_commands_t *commands;
apr_int64_t lnum;
void *fout;
unsigned lsize;
char *linebuf;
char *lspend;
unsigned hsize;
char *holdbuf;
char *hspend;
unsigned gsize;
char *genbuf;
char *lcomend;
apr_file_t *fcode[NWFILES];
sed_reptr_t *abuf[SED_ABUFSIZE];
sed_reptr_t **aptr;
sed_reptr_t *pending;
unsigned char *inar;
int nrep;
int dolflag;
int sflag;
int jflag;
int delflag;
int lreadyflag;
int quitflag;
int finalflag;
int numpass;
int nullmatch;
int col;
apr_pool_t *pool;
};
apr_status_t sed_init_commands(sed_commands_t *commands, sed_err_fn_t *errfn, void *data,
apr_pool_t *p);
apr_status_t sed_compile_string(sed_commands_t *commands, const char *s);
apr_status_t sed_compile_file(sed_commands_t *commands, apr_file_t *fin);
char* sed_get_finalize_error(const sed_commands_t *commands, apr_pool_t* pool);
int sed_canbe_finalized(const sed_commands_t *commands);
void sed_destroy_commands(sed_commands_t *commands);
apr_status_t sed_init_eval(sed_eval_t *eval, sed_commands_t *commands,
sed_err_fn_t *errfn, void *data,
sed_write_fn_t *writefn, apr_pool_t *p);
apr_status_t sed_reset_eval(sed_eval_t *eval, sed_commands_t *commands, sed_err_fn_t *errfn, void *data);
apr_status_t sed_eval_buffer(sed_eval_t *eval, const char *buf, int bufsz, void *fout);
apr_status_t sed_eval_file(sed_eval_t *eval, apr_file_t *fin, void *fout);
apr_status_t sed_finalize_eval(sed_eval_t *eval, void *f);
void sed_destroy_eval(sed_eval_t *eval);
#ifdef __cplusplus
}
#endif
#endif /* LIBSED_H */
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